|  | 
| Computer Manufacturers Database 
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| Logo | Manufacturer
    | Models | Origin | Est. | Ended | Production | Type | Info 1 | Info 2 | 
| P | |||||||||
|  | P. Habersetzer  | HCC-80 | GER | - | () | 80's | PC | - |  | 
|  | P. Hakala  | Mikrospectra | FIN | - | () | 70's | PC | - | - | 
|  | P. Kitsun (Syd) | Speccy2007 | RUS | - | () | 00's | PC | - |  | 
|  | P. Lohmer | CP/M Rechner | GER | - | () | 70's | PC | - |  | 
|  | P. Ruston | V6Z80P | UK | - | act. | 00's | PC | - |  | 
|  | P. Ryal  | RC-3 | USA | - | () | 00's | SC | - |  | 
| P.A.L.  | 2 models | GER | - | () | 80's | PC | - |  | |
| P.C. Innovation Computers | PC comp. | USA | - | () | 90's | PC | - |  | |
| P.S. Inc. (Pascal Software) | USA | 1971 | () | 80's | PC | - |  | ||
|  | P&C Shiten Enterprise Co., Ltd.  | PC comp., (+10) | TWN | - | () | 80's | PC | - |  | 
|  | P&Y Technology Co., Ltd.  | CHN | 2016 | act. | 10's | PC | - |  | |
| P1 GmbH  | PARWELL 1 | GER | - | () | 80's | SC | - |  | |
|  | Paavo-Paimen Oy | PP-200, (+2) | FIN | 1964 |  | 70's | PC | - | - | 
|  | Pacesetter Peripherals  | 1 models | AUS | - |  | 80's | TER | - |  | 
| Pacific Computers | PC comp., (+4) | NZL | - |  | 80's | PC | - | - | |
| Pacific Cyber/Metrix, Inc. (PC/M) | PCM-12, (+4) | USA | 1978 |  | 70's - 80's | PC |  |  | |
|  | Pacific Data Systems, Inc. (PDS) (div. EAI)  | 2 models | USA | 1961 |  | 60's | MF, SC | - | - | 
|  | Pacific Electro Data, Inc.  | USA | - |  | 90's | PC | - |  | |
|  | Pacific Industry | PZ-80 | JAP | - | () | 80's | PC | - |  | 
| Pacific International Computing Corp.  | ATS, Compspec, (+2) | USA | - | () | 70's | PC | - |  | |
|  | Pacific Microcomputers, Inc. | PM200, PM400, (+9) | USA | 1981 | () | 80's | PC | - |  | 
|  | Pacific PC Ltd. | PC comp. | UK | - |  | 00's | PC |  |  | 
|  | Pacific Royal Enterprises Ltd. | PC comp., (+5) | CAN | - |  | 90's | PC | - | - | 
|  | Pacific Star Communications, Inc. (PacStar) | PC comp. | USA | 2000 | act. | 00's | PC |  |  | 
| Pacific Universal Research, Inc. | Portabrain | USA | - | () | 80's | PC | - | - | |
| Pack-In-Tell Electronics | PC comp., (+3) | USA | - | () | 90's | PC | - |  | |
|  | Packard Bell  | PBC 1000, (+3060) | USA | 1926 | act. | 60's - 20's | MF, MC, PC |  |  | 
| Packtron Integration | PC comp., (+3) | USA | - | () | 90's | PC | - |  | |
| Pacomp EDV Produkte GmbH (div. Comtech) | PC comp., (+8) | GER | - |  | 90's | PC | - |  | |
| Pactron Integration Computer, Inc. | PC comp., (+3) | USA | 1990 |  | 90's | PC | - |  | |
| Pagine Corp. | 2 models | USA | - | () | 90's | TER | - | - | |
|  | PAIA Electronics, Inc. | 1 models | USA | - |  | 70's | PC | - |  | 
|  | Pakistan Aeronautical Complex (PAC)  | PC comp., (+3) | PAK | 1971 | act. | 00's | PC |  | - | 
| Pako Corp. | USA | - |  | 70's | MC | - |  | ||
| Pako Corp. | USA | 1910 |  | 70's | MC | - |  | ||
|  | Pakom d.o.o. | PC comp. | YOU | - |  | 00's | PC | - | - | 
|  | Pal Systems Ltd. | PC comp. | CAN | - |  | 90's | PC | - | - | 
|  | Palicomp Ltd. | PC comp. | UK | 2003 | act. | 00's | PC | - | - | 
|  | Palm, Inc.  | 36 models | USA | 1992 | 2011 | 00's | PC | - | - | 
|  | Palmax Technology Co., Ltd.  | 13 models | TWN | 1990 |  | 90's | PC | - |  | 
| Palmcom International Ltd. | PC comp. | HON | - |  | 90's | PC | - |  | |
|  | Palmx | ? | - | act. | 10's | PC | - | - | |
|  | Paltec, Inc. | PC comp. | JAP | - | act. | 00's | PC | - |  | 
| Palyn Associates | EMMY | USA | - | () | 70's | SC | - |  | |
| PAM | PC comp. | ? | - |  | 90's | PC | - |  | |
|  | Pam Pacific Associates, Inc. | PC comp. | USA | - | () | 90's | PC | - |  | 
| Pan American Electronics, Inc. | 1 models | USA | - | () | 80's | PC | - |  | |
| Pan United Corp. | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | Pan-Asia Electronics Co. | STD-Z80, (+7) | TWN | - | () | 80's - 90's | PC | - |  | 
|  | Pan-United Corp. | PC comp., (+5) | USA | - | () | 80's | PC | - |  | 
|  | Panafacom Ltd.  | 42 models | JAP | 1973 |  | 70's - 80's | PC |  |  | 
|  | Panasonic Co. (div. Matsushita) | HHC, (+3823) | JAP | 1962 | act. | 70's - 10's | MC, PC, TER |  |  | 
|  | Panatek Computer | SPARC clone, (+14) | TWN | - | () | 90's | PC | - |  | 
|  | PandaBoard | 1 models | SPA | - | act. | 00's | PC |  |  | 
| PanData Computersysteme GmbH | Panda 3000, (+3) | GER | - | () | 80's | PC | - |  | |
|  | Panel s.r.l. | ITA | 1998 | act. | 00's - 10's | PC | - |  | |
|  | Panel SA | Systeme 802, (+2) | SWI | 1956 | 1986 | 70's | PC | - |  | 
| Panora Corporation Pvt. Ltd. | PC comp. | SRI | - | act. | 00's | PC | - | - | |
|  | Panrix | 35 models | UK | 1990 | 2000 | 90's - 00's | PC |  |  | 
| Pansco Computers | PC comp. | UK | - | () | 90's | PC | - |  | |
| Panstwowego Instytutu Matematycznego - Grupie Aparatow Matematycznych (GAM) | EMAL, (+5) | POL | - | () | 50's | SC |  | - | |
|  | Pantech Wireless, Inc. | 1 models | KOR | 1991 | act. | 10's | PC |  |  | 
| Pantex Computer, Inc. | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | Panther | PET console | UK | - |  | 70's | PC | - | - | 
| Panther Computers | PC comp., (+8) | UK | - |  | 90's | PC | - |  | |
| Panther Systems | PC comp., (+8) | USA | - | () | 90's | PC | - |  | |
|  | Panzhong Digtal Technology Co., Ltd.  | PC comp. | CHN | 2007 | act. | 00's - 10's | PC | - |  | 
|  | PAO Pribornyy zavod "Tenzor" - Dubna | Dubna-48 | RUS | 1968 | act. | 90's | PC |  |  | 
|  | Pao-Ku International Co., Ltd. | PC comp. | TWN | 1972 | () | 90's | PC | - | - | 
| Paoku P&C Co., Ltd. (-> P&C Shiten) | PC comp. | CHN | 1972 | () | 80's | PC | - | - | |
|  | Paracel | FDF3 | USA | 1992 | act. | 90's - 00's | SC | - |  | 
|  | Paracom (-> Parsytec) | 1 models | GER | - | () | 80's | SC | - |  | 
|  | Paradigit Computers BV | PC comp., (+16) | HOL | 1992 | act. | 90's - 10's | PC |  |  | 
|  | Paradigm (div. Future Shop) | PC comp. | CAN | - |  | 90's | PC | - | - | 
|  | Paradise Computers (div. Computronics) | PC comp. | UK | - |  | 90's | PC | - |  | 
|  | Paradise Systems, Inc.  | Convertible | USA | - | () | 80's | PC |  |  | 
| Paradyne Corp. | PortaBrain, (+24) | USA | 1969 |  | 80's | MC, TER, PC, SC | - |  | |
|  | Paragon Development Systems, Inc. (PDS) | PC comp. | USA | - | act. | 90's | PC | - |  | 
| Paragon Technology (UK) Ltd. | PC comp., (+3) | UK | - |  | 90's | PC | - |  | |
|  | Parallel Computer, Inc.  | 6 models | USA | 1983 | 1988 | 80's | PC |  |  | 
|  | Parallel Quantum Solutions (PQS) | USA | 1997 | act. | 00's - 10's | PC | - |  | |
| Parasitic Engineering | Equinox | USA | - |  | 70's | PC | - |  | |
|  | Paravant Computer Systems, Inc. | 7 models | USA | 1982 |  | 80's - 90's | PC |  |  | 
|  | Pargos Electronic GmbH | NIC-12 | GER | 1982 | act. | 80's | PC | - |  | 
|  | Parker Hannifin Corp. | USA | 1917 | act. | 00's | PC | - |  | |
|  | Pars  | PC comp. | ? | - | () | 00's | PC | - |  | 
|  | Parsys | TA9000, (+5) | USA | 1988 | () | 90's | SU | - |  | 
|  | Parsytec AG  | CCe, (+20) | GER | 1985 | () | 80's - 90's | SU |  |  | 
|  | Partaker (div. Inctel Technology) | CHN | 2008 | act. | 00's - 10's | PC | - |  | |
| Partec GmbH | 5 models | GER | - |  | 80's | PC | - |  | |
|  | Partner Tech | KOR | 1990 | act. | 00's - 10's | PC | - |  | |
| Parvac Corp. | CAN | - |  | 70's | TER | - | - | ||
|  | Parvus Corp.  | USA | 1983 | 2013 | 00's | PC | - |  | |
| Pasco International, Inc. | Atlantis, (+2) | USA | - | () | 80's | PC | - |  | |
| Pascot | 1 models | USA | - |  | 80's | PC | - |  | |
|  | Pasqal SAS | FRA | 2019 | act. | 20's | SC | - |  | |
|  | Pastoriza Electronics, Inc.  | 1 models | USA | 1961 | 1969 | 60's | SC | - |  | 
| PAT Prozess Automatisierungstechnik GmbH & Co. KG | GER | - | () | 80's | PC | - |  | ||
| Patch Computers | PC comp., (+4) | ? | - |  | 90's | PC | - |  | |
|  | Path Computer Equipments, Inc. | 1 models | USA | - | () | 70's | SC | - |  | 
|  | Pathway Technologies, Inc. | USA | - |  | 00's - 10's | PC | - |  | |
|  | Patisonic | Aleste, Amstrad clone, (+4) | RUS | 1991 | act. | 90's | PC | - |  | 
|  | Patni Computer Systems Ltd. (PCS Industries)  | PC comp., (+286) | IND | 1978 | 2012 | 80' - 90's | PC |  |  | 
| Patrick Computer Systems, Inc. | 4 models | CAN | - |  | 80's | PC | - |  | |
| Patriot | PC comp., (+16) | ? | - |  | 90's - 00's | PC | - |  | |
| Patriot Computer Corp. (-> ACOM ?) | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | PAV Electronik GmbH | 3 models | GER | - | () | 80's | PC, TER | - |  | 
|  | Pax Electronica Japan Corp. | 7 models | JAP | - | () | 70's | PC | - |  | 
| Paymenttel | PC comp. | ? | - | () | 90's | PC | - | - | |
|  | Paysan Innovation Co. | 1 models | UK | - | () | 00's | PC | - |  | 
| pb-electronic | 3 models | GER | - |  | 80's | PC | - |  | |
| PC & Network Services, Inc. | PC comp. | USA | - | () | 90's | PC | - |  | |
| PC 2000 | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | PC American | PC comp. | USA | - |  | 80's | PC | - |  | 
| PC Ark | PC comp. | ? | - | () | 90's | PC | - | - | |
| PC Arts Argentina S.A. | Magnum | ARG | - | act. | 10's | PC | - |  | |
|  | PC Award | PC comp. | FRA | - |  | 90's | PC | - |  | 
|  | PC Brand, Inc.  | PC comp., (+30) | USA | - | 1991 | 80's | PC | - |  | 
| PC Channel, Inc. | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | PC Chips Group  | PC comp. | HON | - |  | 90's | PC | - |  | 
|  | PC Club | PC comp., (+44) | USA | 1992 | 2008 | 90's - 00's | PC |  |  | 
| PC Comm | PC comp., (+13) | USA | - | () | 90's | PC | - |  | |
|  | PC Connection | PC comp. | USA | 1982 | act. | 00's | PC |  |  | 
|  | PC Corner Corp. | PC comp. | PHI | - | act. | 10's | PC | - |  | 
|  | PC Craft, Inc. | PC comp., (+86) | USA | - | () | 80's - 90's | PC | - |  | 
| PC Depot | PC comp., (+2) | UK | - |  | 00's | PC | - |  | |
|  | PC Designs, Inc. | PC comp., (+13) | USA | - | () | 80's - 90's | PC | - |  | 
| PC Direct | PC comp. | ? | - | () | 90's | PC | - |  | |
| PC Direct New Zealand Ltd. | PC comp., (+8) | NZL | - | () | 90's | PC | - |  | |
|  | PC Discount | PC comp., (+3) | USA | - | () | 80's - 90's | PC | - |  | 
|  | PC Engineering | PC comp., (+2) | USA | - | () | 80's | PC | - | - | 
|  | PC Engines GmbH | 2 models | SWI | 1995 | act. | 00's | PC | - |  | 
| PC Expanders, Inc. | PC comp., (+3) | USA | - | () | 90's | PC | - | - | |
| PC Express, Inc. | PC comp., (+2) | USA | - | () | 90's | PC | - | - | |
|  | PC Halle (PCH) | PC comp. | FRA | - |  | 90's | PC | - |  | 
|  | PC House, Inc. | PC comp. | TWN | - | () | 80's - 90's | PC | - |  | 
| PC Importers | PC comp., (+17) | USA | - | () | 90's | PC | - |  | |
| PC Innovation Computers | PC comp. | USA | - | () | 90's | PC | - |  | |
| PC Innovations | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | PC Link Corp. | PC comp., (+2) | USA | - | () | 80's | PC | - | - | 
| PC Mart | PC comp. | USA | - |  | 80's | PC | - |  | |
|  | PC Master | PC comp. | ? | - | () | 90's | PC | - |  | 
|  | PC MAX | PC comp. | USA | - | () | 80's | PC | - | - | 
| PC Network, Inc. | PC comp., (+3) | USA | - | () | 90's | PC | - |  | |
|  | PC Nextday Ltd. | PC comp. | UK | 1992 |  | 00's | PC | - |  | 
|  | PC Notebook, Inc. | PC comp., (+15) | USA | - | act. | 00's | PC | - |  | 
| PC NOW! | PC comp. | UK | - | () | 90's | PC | - |  | |
| PC Office | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | PC Partner Ltd. | PC comp., (+26) | HON | 1997 | act. | 00's | PC | - |  | 
|  | PC Plus | PC comp. | YOU | 1992 |  | 90's | PC | - |  | 
| PC Plus | PC comp. | ITA | - | () | 90's | PC | - | - | |
| PC Progres | PC comp., (+11) | USA | - |  | 00's | PC | - |  | |
|  | PC Roots Production Srl.  | PC comp. | ROM | 2000 | act. | 00's - 10's | PC | - |  | 
|  | PC Science Ltd. (PCS Direct) | PC comp., (+2) | UK | - | 1999 | 90's | PC | - |  | 
| PC Solutions | PC comp. | UK | - | () | 90's | PC | - |  | |
| PC Sources | PC comp., (+3) | ? | - | () | 90's | PC | - | - | |
|  | PC Specialist Ltd. | PC comp. | UK | - | act. | 00's - 20's | PC | - |  | 
| PC Station | PC comp. | UK | - |  | 00's | PC | - |  | |
|  | PC Supply | PC comp. | USA | - | () | 90's | PC | - |  | 
| PC Systems | PC comp. | USA | - |  | 80's | PC | - |  | |
| PC Tech | PC comp., (+6) | ? | - | () | 90's | PC | - | - | |
|  | PC TECH Com. e Ind. Ltda. | PC comp. | BRA | - | () | 80's | PC | - | - | 
| PC Time Data | PC comp. | USA | - | () | 90's | PC | - |  | |
| PC Turbo Corp. | PC comp. | USA | - | () | 80's | PC | - | - | |
| PC Unlimited | PC comp., (+2) | ? | - | () | 90's | PC | - | - | |
| PC Values | PC comp. | USA | - | () | 80's | PC | - | - | |
|  | PC vert (div. A2TEO) | PC comp. | FRA | - | () | 10's | PC | - |  | 
|  | PC Ware s.r.l. | PC comp. | ITA | - |  | 00's | PC | - | - | 
|  | PC Warehouse | PC comp. | USA | - | () | 80's | PC | - | - | 
|  | PC Warehouse (UK) | PC comp. | UK | 1991 |  | 90's | PC |  |  | 
| PC Welcome | PC comp. | FRA | - |  | 90's | PC | - |  | |
|  | PC Winner International, Inc. | TWN | 1972 |  | 00's | PC | - |  | |
|  | PC World (div. Dixons) | PC comp. | UK | 1991 | act. | 90's - 00's | PC |  | - | 
| PC-Craft | PC comp., (+3) | ? | - |  | 90's | PC | - |  | |
| PC-Ease, Inc. | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | PC-EPhone, Inc. | 1 models | USA | 1998 |  | 00's | PC |  |  | 
|  | PC-Koubou (div. Unitcom) | PC comp. | JAP | - | act. | 00's | PC | - |  | 
|  | PC-Plus Technologies, Inc. | PC comp. | USA | 1988 |  | 90's | PC | - |  | 
| PC-Sel Computer Services | PC comp., (+4) | USA | - | () | 90's | PC | - |  | |
|  | PC-Spezialist | PC comp., (+13) | GER | - |  | 90's | PC | - |  | 
|  | PC-SuperStore Oy (PCSS)  | PC comp. | FIN | - |  | 00's | PC | - | - | 
| PC-TEC | PC comp., (+3) | ? | - |  | 90's | PC | - |  | |
|  | Pc'S Limited, Inc.  | 21 models | USA | 1984 | 1987 | 80's | PC | - |  | 
| PC/M Bubbl-Tec | USA | 1978 |  | 80's | PC | - |  | ||
| PC&C Research Corp. | PC comp., (+19) | USA | - | () | 90's | PC | - |  | |
| PC2000 | PC comp. | SPA | - |  | 90's - 00's | PC | - | - | |
|  | PC77 | PC comp. | FRA | 1997 | act. | 90's | PC | - |  | 
|  | PCA | PC comp. | ? | - | () | 90's | PC | - |  | 
| PCArk | PC comp. | ? | - | () | 90's | PC | - | - | |
|  | PCBOX | ARG | - | act. | 00's - 10's | PC | - |  | |
| PCC Business Systems | 1 models | USA | - |  | 80's | TER | - |  | |
| PCE Systems | Voyager, (+3) | USA | 1977 | () | 80's | PC | - |  | |
|  | PCFX Technology | PC comp. | USA | - |  | 00's | PC | - |  | 
|  | PCI Embedded Computer Systems, Inc. | USA | 2003 |  | 00's | PC | - |  | |
|  | PCI Systems, Inc. | 1 models | USA | - | act. | 90's - 10's | PC | - |  | 
| PCM, Inc. | PC comp., (+3) | USA | - | () | 90's | PC | - |  | |
|  | PcPRIME Systems, Inc. | PC comp., (+3) | USA | - | () | 80's | PC | - |  | 
| PCPRO Systems,Inc. | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | PCS Systemtechnik GmbH | GER | 1970 | act. | 90's - 10's | PC | - |  | |
| Pcs2000 | PC comp., (+9) | USA | - | () | 90's | PC | - |  | |
|  | PCSX | PC comp. | ? | - | () | 90's | PC | - |  | 
|  | PCTech | X16 | USA | - | () | 80's | PC | - | - | 
| PCTronics | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | PCUSA | PC comp. | USA | - | () | 90's | PC | - |  | 
| PCW Sales | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | PCX Computers d.o.o.  | PC comp., (+2) | YOU | 1991 |  | 90's | PC | - |  | 
| pd Computer GmbH | 2 models | GER | - | () | 80's | PC | - |  | |
|  | PDS Technologies, Inc. | Yankee, (+3) | USA | 1962 | () | 80's | PC, TER | - | - | 
|  | PE Nelson Systems | 3 models | USA | - | () | 90's | PC | - |  | 
|  | Peace Data | PC comp. | USA | - | () | 90's | PC | - |  | 
| Peach Microsystems | Executive, (+2) | CAN | - | () | 80's | PC | - |  | |
|  | Peacock Computer GmbH | Powerserver, (+293) | GER | 1978 | () | 90's | PC | - |  | 
| Peanut Computer Co., Ltd. | PC comp. | TWN | - | () | 80's | PC | - |  | |
|  | Peapod Distribution Ltd. | 1 models | UK | - |  | 90's | PC | - |  | 
|  | Peaq (div. Media Markt) | 2 models | GER | 2010 | act. | 20's | PC | - |  | 
| PEAR Systems SA | Pear 805, (+2) | FRA | - |  | 80's | PC | - |  | |
|  | Pearcom BV | 3 models | HOL | - |  | 80's | PC |  |  | 
| Pearl Computer Pty Ltd. | PC comp. | AUS | - |  | 80's - 90's | PC | - |  | |
| Pearlson Development Corp. | PDC | USA | - |  | 90's - 00's | PC | - |  | |
|  | Peartree Computers Ltd. | PC comp. | UK | - |  | 80's | PC | - |  | 
|  | Pebe Datentechnik AG | 1 models | SWI | - | () | 80's | PC | - |  | 
|  | Pecos Sistemas | Pecos 128 | ARG | - | () | 80's | PC | - |  | 
|  | Peerless | 1 models | USA | - |  | 80's | PC | - |  | 
|  | Pegasus Data Systems | 3 models | USA | 1965 |  | 80's | PC | - |  | 
| Pegasus Electronics (Wholesale) Ltd. | PC comp. | UK | - | () | 90's | PC | - |  | |
|  | Pegatron Corp.  | TWN | 2008 | act. | 10's - 20's | PC |  |  | |
| Pei Chow Industry Co., Ltd. | TWN | - | () | 90's | PC | - |  | ||
|  | PEK Electronic  | 1 models | GER | - | () | 70's | SC | - |  | 
| Pekhai Trading Co., Ltd. | PC comp. | HON | 1950 | act. | 00's - 10's | PC | - |  | |
|  | PEL Varazdin | Orao, Galeb, (+4) | YOU | - |  | 80's | PC |  |  | 
|  | Pelham Sloane, Inc. | PC comp. | USA | - | act. | 00's | PC | - |  | 
|  | PelicanMobile Computers, Inc. | PC comp. | USA | 1996 |  | 00's | PC |  |  | 
|  | Pencept, Inc. | Penpad | USA | 1980 |  | 80's | TER |  | - | 
| Pendragon Computer Systems | PC comp. | USA | - | () | 90's | PC | - | - | |
| Penflex Elektronik GmbH | 2 models | GER | - |  | 70's | TER | - |  | |
| Pengin International Trading Co., Ltd.  | CHN | 2011 | act. | 10's | PC | - |  | ||
|  | Penguin Computing, Inc. | Linux 8000, (+137) | USA | - | act. | 00's - 20's | PC, SU | - |  | 
|  | Pengyangda Digital Technology Co., Ltd.  | CHN | 2012 | act. | 10's | PC | - |  | |
| Pennu Computer Technology AS (PCT)  | PC comp. | EST | 1998 | () | 90's | PC |  |  | |
|  | Penril Data Communications | 1 models | USA | - |  | 80's | PC | - |  | 
|  | Penta Adlink Technologie GmbH | GER | 1994 | act. | 90's - 10's | PC | - |  | |
| Penta Systems International, Inc. | Black Star S8, Multistar, (+3) | USA | - |  | 80's | PC | - |  | |
|  | Pentabs | USA | - | () | 90's | PC | - |  | |
|  | Pentacomp Kft.  | PC comp., (+2) | HUN | 1990 |  | 90's | PC | - |  | 
|  | Pentagon Rugged Systems India Pvt. Ltd. | IND | 2003 |  | 90's - 10's | PC | - |  | |
|  | Pentasonic SA | Prof-80 | FRA | 1976 |  | 80's | PC | - |  | 
|  | Pentek, Inc. | Talon | USA | 1986 | act. | 90's - 10's | PC | - |  | 
|  | Pentel Co., Ltd. | Leta-Con, (+3) | JAP | - | () | 80's | PC | - |  | 
|  | Penzenskom Radiozavode - Penza  | Symbol, RYAD, (+2) | RUS | - | () | 70's - 90's | MF, PC | - |  | 
|  | Peopleware Systems, Inc. | 2 models | USA | - |  | 80's | PC | - |  | 
| PEP Elektronik Systeme GmbH | CPS 2000, PEP 2000, (+12) | GER | - | () | 80's | PC | - |  | |
|  | Pep Modular Computers GmbH  | 5 models | GER | 1983 | 2000 | 80's - 00's | PC | - |  | 
| PEP PC | PC comp., (+3) | ? | - | () | 90's | PC | - |  | |
|  | Pepper Computer, Inc. | PepperPad, (+3) | USA | 2005 | act. | 00's | PC |  | - | 
| Percom Data Corp. | 3 models | USA | 1976 | () | 80's | TER | - |  | |
| PerComp Association  | PC comp. | HUN | - | () | 80's | PC | - | - | |
|  | Percomp Microsystems, Inc. | PC comp., (+6) | USA | - | () | 90's | PC | - |  | 
| Peregrine Computers | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | Peren-IT SAS | FRA | - | act. | 00's - 20's | PC | - |  | |
|  | Perfect / Al Mithali (by Daewoo) | KUW | - | () | 80's | PC | - | - | |
|  | Perfect Technology Co., Ltd. | PC comp. | TWN | - | () | 80's | PC | - |  | 
| Perfect Terminal, Inc. | 6 models | USA | - |  | 80's | TER | - |  | |
|  | Perfectron Co., Ltd. (div. 7Starlake) | TWN | - | act. | 10's - 20's | PC | - |  | |
|  | Performance Business Machines (div. MicroPro)  | PBS 1000, (+2) | USA | - | () | 80's | PC | - |  | 
| Performance Computer Systems | PC comp. | USA | - | () | 90's | PC | - |  | |
| Performance Technologies, Inc. | 9 models | USA | - |  | 80's | TER | - |  | |
|  | Pericom Data Systems Ltd. | 9 models | UK | 1975 | act. | 70's - 80's | PC, TER |  |  | 
|  | Periféria Ultra Kft. | PC comp. | HUN | - | () | 90's | PC | - |  | 
| Periferic | Sig/net, FAZ, (+4) | USA | - | () | 80's | PC, TER | - |  | |
|  | PerifiTech, Inc. | 1 models | USA | 1989 |  | 90's - 00's | PC | - |  | 
|  | Perimatique (by Pertec) | PCC, (+2) | FRA | - | () | 80's | TER | - |  | 
| Perimetre SA | PC comp. | FRA | - | () | 90's | PC | - |  | |
|  | Peripheral Data Machines, Inc. | Magnyx, (+2) | USA | - | () | 60's | TER | - |  | 
| Peripheral Processor Co. | PPC-50 | USA | - | () | 70's | MC | - |  | |
| Peripheral Systems, Inc. | Eagle | USA | 1977 |  | 80's | PC | - |  | |
| Peripheral Technology, Inc. | PTK68K2, (+6) | USA | 1980 | () | 80's - 90's | PC, TER | - |  | |
| Peripherals Plus, Inc. | USA | - | () | 80's | PC | - |  | ||
|  | Peripherals s.a.s.  | PC comp., (+2) | ITA | - |  | 90's | PC | - |  | 
|  | Periphere Computer Systeme GmbH (PCS) | Cadmus, (+29) | GER | - | () | 80's | PC, TER |  |  | 
|  | Periphonics Corp. | T-Comm 7, (+16) | USA | 1969 | () | 70's - 80's | MC, PC, TER | - | - | 
|  | Peritek Corp. | 1 models | USA | 1979 |  | 80's | TER | - |  | 
|  | Perixx Computer GmbH | PC comp. | GER | 2006 | act. | 00's | PC | - |  | 
|  | Perkin Elmer Corp. | Bantam, (+62) | USA | 1931 |  | 80's | PC, MC, TER | - |  | 
|  | Perkon Teknoloji AĹž | TUR | 1996 | act. | 10's | PC | - |  | |
|  | PERQ Systems Corp. | LN3000, (+7) | USA | 1974 | 1986 | 80's | PC | - |  | 
|  | Perry Data Systems, Inc. | 11 models | USA | 1967 | () | 80's | TER | - | - | 
| Personal Agroelektronikai GT | Aircomp-16, URD-85, (+3) | HUN | - | () | 80's | PC, TER | - |  | |
| Personal Computer & Communication (-> AT&T) | PC comp. | USA | - | () | 90's | PC | - |  | |
| Personal Computer Graphics Corp. (PCG) | PC comp., (+3) | USA | 1984 |  | 90's | PC | - | - | |
|  | Personal Computer Products, Inc. (PCPI) | PC comp., (+2) | USA | - | () | 80's | PC | - |  | 
|  | Personal Computer Quality Technology AB (PCQT)  | 1 models | SWE | - |  | 90's | PC | - |  | 
|  | Personal Improvement Computer Systems (PICS), Inc. | USA | 1968 | act. | 70's - 00's | PC, SC | - |  | |
|  | Personal Micro Computers, Inc. (PMC) | MicroMate, PMC-80, (+10) | USA | 1969 |  | 80's | PC, TER | - |  | 
|  | Personal Solution | PC comp. | USA | - | () | 90's | PC | - |  | 
| Perstor Systems, Inc. | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | Pertec Computer Corp. | 22 models | USA | 1970 |  | 70's | MC, TER; PC |  |  | 
| Pertech Computers Ltd. (PCL) | PC comp., (+9) | IND | 1983 | () | 80's - 90's | PC | - | - | |
| Perto S.A. Perifericos para Automacao | PC comp. | BRA | - | () | 90's | PC | - |  | |
| PET Computer Service Pte Ltd. | PC comp. | SIN | - | () | 90's | PC | - |  | |
| Pet Computers | PC comp., (+13) | ? | - |  | 80's | PC | - |  | |
|  | Peters Plus, Ltd. | Sprinter, (+6) | RUS | 1993 | 2004 | 80's | PC |  |  | 
| Petra | PC comp. | CZE | - | () | 00's | PC | - | - | |
| Petronic International, Inc. | PC comp. | USA | - | () | 90's | PC | - |  | |
| Pex | PC comp., (+41) | ? | - | () | 90's | PC | - | - | |
|  | PEZY Computing | Suiren, (+5) | JAP | - | () | 00's | SU | - |  | 
|  | PF Technology Co., Ltd.  | PC comp. | CHN | 2003 |  | 00's - 10's | PC | - |  | 
|  | PFU Corp.  | 5 models | JAP | 1987 | act. | 80's - 10's | PC |  |  | 
| PGA Technology Ltd. | PC comp. | ? | - |  | 90's | PC | - |  | |
| PGI Corp. | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | PGI Wholesale | USA | - | () | 80's | PC | - |  | |
| PH6 Technologies Corp. | PC comp. | USA | - | () | 90's | PC | - |  | |
| Phase One Technologies | PC comp., (+7) | USA | - |  | 00's | PC | - |  | |
| Phase X Systems, Inc. | 27 models | USA | - | () | 90's | TER | - | - | |
|  | Phase5 Digital Products (div. AS&S)  | Amiga clone | GER | 1992 |  | 90's | PC |  | - | 
|  | Phaze Information Machines Corp. | 6 models | USA | 1982 | () | 80's | TER | - | - | 
| PHC, Inc. | USA | - | () | 80's | PC | - |  | ||
| PHD Computer | USA | - | () | 90's | PC | - |  | ||
|  | Phecda Telecommunications Technology Co., Ltd.  | CHN | 2007 | act. | 00's - 10's | PC | - |  | |
| Pheecom Technology Corp. | PC comp. | TWN | 1989 | () | 00's | PC | - | - | |
|  | Philco Corp.  | TRANSAC, (+35) | USA | 1892 | act. | 50's - 60's | MF, MC, TER |  |  | 
|  | Philco-Ford Corp.  | OL9, (+2) | USA | 1966 | 1974 | 60's | TER, MF | - | - | 
| Philips Business Systems, Inc. (div. Philips)  | 1 models | USA | - |  | 70's | PC | - |  | |
|  | Philips Electronics NV  | Pascal, Micom, Minitel, VG5000, (+345) | HOL | 1891 | act. | 50's - 90's | TER, PC, MC |  |  | 
| Philips Kommunikations Industrie AG (PKI) (-> Philips) | GER | - | () | 80's | PC | - |  | ||
|  | Phillips Control Corp. | USA | 1947 |  | 50's | SC | - | - | |
| Phitowin Electronic Technology Co., Ltd.  | PC comp. | CHN | 2007 | act. | 00's - 10's | PC | - |  | |
|  | Phobos Informatica | PC comp. | BRA | - | () | 90's | PC | - | - | 
| Phocus | PC comp., (+5) | ? | - | () | 90's | PC | - | - | |
| Phoenician Fiare | PC comp. | USA | - | () | 90's | PC | - |  | |
| Phoenix | PC comp., (+3) | ? | - | () | 90's | PC | - | - | |
|  | Phoenix Computer GmbH & Co KG  | PC comp., (+4) | GER | 1985 | act. | 80's | PC | - | - | 
|  | Phoenix Computer Graphics, Inc. | PHOENIX 1024, (+3) | USA | 1976 | () | 80's | PC, TER | - | - | 
| Phoenix Computer Systems, Inc. | 3 models | USA | - |  | 80's | TER | - |  | |
|  | Phoenix Contact Ltd. | UK | - | act. | 00's - 10's | TER | - |  | |
| Phoenix Digital Corp. | 5 models | USA | - | () | 80's | PC | - |  | |
|  | Phoenix Group, Inc. (PGI)  | 15 models | USA | 1994 | 2000 | 90's | PC, TER | - |  | 
|  | Phoenix Systems | Stratos, (+2) | UK | - | () | 80's | PC | - |  | 
|  | Phone 1 | 2 models | USA | 1976 | () | 70's | TER | - |  | 
|  | Phonic Corp. | PC comp. | TWN | 1974 | () | 90's | PC | - |  | 
|  | Phonola | MSX, (+5) | ITA | 1929 | act. | 80's | PC |  |  | 
|  | Photon | PC comp. | AUS | - | () | 80's | PC | - |  | 
| Photophysics | 1 models | USA | - | () | 70's | TER | - |  | |
|  | Phurun Hanul (Blue Sky )  | iMac clone | NKO | - | act. | 00's - 10's | PC | - |  | 
|  | Phylec (div. MB Electronique) | UTC 2000 | FRA | - | () | 80's | TER | - |  | 
| Physical & Electronic Laboratories Ltd. | 3 models | UK | - |  | 50's | SC | - |  | |
|  | Phytec Messtechnik GmbH | 3 models | GER | 1988 | act. | 90's - 20's | PC | - |  | 
|  | Phywe AG | GER | - |  | 60's | PC | - |  | |
| PI Systems, Inc. | PC comp. | USA | - | () | 90's | PC | - | - | |
|  | PI-Computer AG | PC comp. | GER | - |  | 90's | PC | - |  | 
|  | Pico Systems (div. AJP) | PC comp., (+34) | UK | - |  | 90's | PC |  |  | 
|  | PicoPeta Simputers Pvt. Ltd. | Sinputer, (+5) | IND | 1999 | act. | 00's | PC |  | - | 
|  | Picos GmbH | GER | - | act. | 00's - 10's | PC | - |  | |
|  | Picture Element Ltd. | VSP | USA | - | () | 80's | MC | - |  | 
|  | Pierre Fontaine Informatique SA (PFI) | Fontel, Galaxie, Espace, (+10) | FRA | 1976 |  | 70's - 80's | PC | - |  | 
|  | Piesia Electronic Technology Co., Ltd.  | CHN | 2009 | act. | 00's - 10's | PC | - |  | |
|  | Piiceon, Inc. | 8 models | USA | 1977 |  | 80's | PC | - |  | 
|  | Pillokat-Systeme und Pheripherie PSP GmbH | 2 models | GER | - | act. | 00's | PC | - | - | 
| Pilot Computer Ltd. | Palmcom | HON | - | () | 90's | PC | - |  | |
|  | Pilyugin’s Scientific-Research Institute for Automation and Instrument Building (NII AP)  | 4 models | RUS | 1963 | 1992 | 70's - 80's | SC | - |  | 
| Pilz Apparatebau GmbH | GER | - | () | 80's | PC | - |  | ||
|  | Pine Computer, Inc. (Pinecom) | DP-64 | USA | - |  | 80's | PC | - |  | 
|  | PINE64 Inc. | 2 models | USA | - | act. | 00's - 10's | PC | - |  | 
|  | Pineapple Computer Products Ltd. | 6400, (+2) | CAN | - | () | 80's | PC | - |  | 
| Pinetree Computer Systems, Inc. | 1 models | USA | - | () | 80's | TER | - |  | |
| Pinnacle Data Systems | SPARC clone | USA | - | () | 90's | PC | - | - | |
|  | Pinnacle Holdings Ltd.  | 2 models | RSA | - | act. | 90's | PC | - |  | 
| Pinnacle Products Ltd. | PC comp. | HON | 2009 | act. | 00's - 10's | PC | - |  | |
|  | Pinnacle Systems, Inc. | 4 models | USA | - | () | 80's | PC | - |  | 
|  | Pinus Computer Oy  | PC comp., (+6) | FIN | - |  | 90's - 00's | PC | - |  | 
| Pinzone International, Inc. | 1 models | USA | - |  | 80's | TER | - |  | |
| Pioneer | PC comp., (+6) | ? | - | () | 90's | PC | - | - | |
|  | Pioneer Century Engineering Ltd. | PC comp. | HON | 2007 | act. | 00's - 10's | PC | - |  | 
|  | Pioneer Computers Australia | PC comp. | AUS | 1996 | act. | 00's - 10's | PC | - |  | 
|  | Pioneer Electronics Corp.  | MSX, Mac clone, (+11) | JAP | 1973 | () | 80's | PC |  |  | 
| Pioneer Trading Co., Ltd. | 1 models | JAP | - |  | 80's | TER | - |  | |
|  | Pionex Technologies, Inc. (div. Fountain Technologies)  | PC comp., (+174) | USA | - | act. | 90's - 00's | PC | - |  | 
|  | PIOS Computer AG | Mac clone, (+10) | GER | - | () | 90's | PC | - |  | 
| PIP GmbH | 3 models | GER | - |  | 80's | PC | - |  | |
|  | Piper, Inc. | Piper Computer Kit | USA | 2014 | act. | 10's | PC | - |  | 
|  | Pipo Technology Co., Ltd. | 90 models | CHN | - | act. | 00's - 10's | PC |  |  | 
| Pirit Computer | PC comp. | RUS | - |  | 00's | PC | - | - | |
|  | Pista Cero Informatica (PCI) | PC comp. | SPA | 1994 | () | 90's - 00's | PC | - | - | 
|  | Pitney Bowes | PC comp. | USA | 1920 | act. | 90's | PC | - |  | 
|  | Pitronics | Beta | HOL | - |  | 80's | PC | - |  | 
| Pivot Computer Corp.  | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | Pixar Animation Studios | Pixar Image Computer , (+2) | USA | 1986 | act. | 80's | PC |  |  | 
|  | Pixel Communication Sarl | FRA | - | () | 80's | PC, TER | - |  | |
|  | Pixel Computer | PixelStation | GER | - | act. | 00's | PC | - |  | 
|  | Pixel Computer, Inc.  | 4 models | USA | 1983 | () | 80's - 90's | PC | - |  | 
|  | Pixel USA Computer, LLC | USA | 1991 |  | 90's - 10's | PC | - |  | |
|  | Pixsys Electronics srl | ITA | - | act. | 10's - 20's | PC | - |  | |
|  | PK Computer GmbH | GER | 1991 | act. | 00's - 10's | PC | - |  | |
|  | PKTronics Group | FRA | 2011 | act. | 10's - 20's | PC | - |  | |
|  | PLAE | Delta 1, (+2) | ITA | - | () | 70's | PC | - | - | 
| Plamar Computer Systems | USA | - | () | 90's | PC | - |  | ||
|  | Planet Computers | PC comp., (+24) | USA | - |  | 00's | PC | - |  | 
|  | Planet Micro Ltd. | PC comp. | UK | - |  | 00's | PC | - |  | 
|  | Planhold Computers BV | PC comp. | HOL | - |  | 90's | PC | - |  | 
|  | PlanQC GmbH | GER | 2019 | act. | 20's | SC | - |  | |
|  | Plantron Computer GmbH | PC comp. | GER | - | () | 80's | PC | - |  | 
|  | Plantron Computer Ltd. | PC comp., (+5) | HON | - | () | 80's | PC | - |  | 
|  | Plantronics, Inc. | USA | 1961 | act. | 80's | TER | - | - | |
|  | Plastic Service Group (PSG) | GER | - | act. | 00's - 10's | PC | - |  | |
|  | Plat'Home | JAP | 1993 | act. | 90's | PC |  | - | |
| Platform Solutions | 1 models | USA | - |  | 90's | PC | - | - | |
|  | Plessey Microsystems | 59 models | UK | 1917 | 1989 | 60's - 80's | MF, PC, TER |  |  | 
| Plexcom, Inc. | USA | - | () | 90's | PC | - |  | ||
|  | Plexus Computers, Inc. | 13 models | USA | 1980 | () | 80's | MC, PC | - |  | 
|  | PLM Avtomatika | Express | RUS | - | () | 90's | PC | - |  | 
|  | Plugtech do Brasil Ltda. | PC comp., (+4) | BRA | 1998 | act. | 00's | PC | - |  | 
| Plus&Plus Co., Ltd. | PC comp. | TWN | - | () | 80's | PC | - |  | |
|  | PNY Technologies, Inc. | USA | 1985 | act. | 00's - 10's | PC | - |  | |
|  | PO Schetmash - Kishinov | Iskra 85, (+11) | RUS | 1994 | () | 90's | PC | - |  | 
| Podi Electronics Co., Ltd.  | CHN | - |  | 10's | PC | - | - | ||
| POFA Technology Corp. | PC comp., (+2) | TWN | - |  | 80's | PC | - |  | |
|  | Pogo Linux, Inc. | 27 models | USA | 1999 | act. | 00's | PC | - |  | 
|  | Pogo Technology Ltd. | 1 models | UK | 1999 |  | 00's | PC |  |  | 
|  | Pohjanmaan Mikro Oy (POMI) | PC comp., (+10) | FIN | 1991 |  | 90's | PC | - |  | 
|  | Poin2 Lab. | KOR | 2014 | act. | 10's | PC | - |  | |
|  | Poindus Systems Corp. | TWN | 2009 | act. | 00's - 20's | PC | - |  | |
|  | Point 4 Data Corp. | Mark, (+15) | USA | 1978 | act. | 80's | MC |  |  | 
|  | Point Mobile | KOR | 2006 | act. | 00's - 20's | PC, TER | - |  | |
|  | Pointer Systems | PC comp. | BEL | 2004 | act. | 00's | PC | - |  | 
| Pointmax | PC comp. | ? | - |  | 90's | PC | - |  | |
|  | Pokini (div. Exone) | GER | - | act. | 10's - 20's | PC | - |  | |
| Poko Computer, Inc. | USA | 1991 | () | 90's | PC | - |  | ||
|  | Polar Technology | 30 models | UK | - |  | 00's | PC |  |  | 
| Polaris | PC comp., (+2) | ? | - | () | 90's | PC | - |  | |
| Polaris Microcomputers, Inc. | USA | 1978 | () | 80's | SC | - |  | ||
|  | Polaroid Corp. | 18 models | USA | 1937 | act. | 10's | PC |  |  | 
| Policonsult Scientifica s.r.l. | PCS 84000, (+3) | ITA | 1977 | act. | 80's | PC | - |  | |
|  | Politechniki Warszawskiej | GEO, ANOPS, (+12) | POL | 1915 | act. | 60's - 80's | SC |  | - | 
|  | Politecnico di Milano | 3 models | ITA | 1863 | act. | 90's | SC | - | - | 
|  | Polo Microsystems, Inc. | 2 models | USA | - | () | 80's | PC | - |  | 
|  | Polska Akademia Nauk (PAN) | KAR-65, (+2) | POL | 1951 | act. | 60's | SC |  | - | 
| Poly | 13 models | ? | - | () | 90's | PC | - |  | |
| Poly (-> Polywell) | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | PolyComputers, Inc. | PolyEtte, (+7) | USA | - |  | 80's | MC | - |  | 
|  | Polycorp New Zealand Ltd. | Poly 1 | NZL | - |  | 80's | PC | - |  | 
| Polymathic Computer Corp. | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | Polymax Sistemas e Periféricos S.A. | Poly Plus, (+8) | BRA | - | () | 80's | PC | - | - | 
|  | PolyMorphic Systems | Poly-88, (+14) | USA | 1975 |  | 70's | PC | - |  | 
| PolyRianda, Inc. | Comet, Dancer, (+2) | USA | - |  | 80's | PC | - |  | |
| Polytec | ? | - | () | 80's | PC | - | - | ||
|  | Polytechnic University of Timisoara | MECIPT, (+3) | ROM | 1920 | act. | 60's | SC |  |  | 
|  | Polywell Computers, Inc. | 492 models | USA | 1987 |  | 80's - 10's | PC | - |  | 
| Ponex Technology | PC comp., (+2) | USA | - |  | 90's | PC | - |  | |
|  | Poni Microsystems | PC comp., (+5) | USA | - | () | 90's | PC | - |  | 
| Pont Ksz.  | PFR 860 | HUN | - | () | 80's | PC | - | - | |
|  | Pontron Group Ltd.  | CHN | - | act. | 00's - 10's | PC | - |  | |
| Pony Computers, Inc. | PC comp., (+6) | USA | - | () | 90's | PC | - |  | |
|  | Poqet Computer Corp.  | 6 models | USA | 1988 |  | 80's - 90's | PC |  | - | 
| Portable | PC comp., (+3) | USA | - |  | 00's | PC | - |  | |
|  | Portable Business Systems Ltd. | 1 models | UK | - | () | 80's | PC | - |  | 
| Portable Microsystems | 4 models | USA | - |  | 70's | TER | - |  | |
| Portable Warehouse | USA | - | () | 90's | PC | - |  | ||
| Portables & Upgrades | PC comp., (+3) | UK | - |  | 90's | PC | - |  | |
|  | Portables Direct Ltd. | PC comp. | UK | - |  | 00's | PC |  |  | 
|  | Portexa LLC | NOTEPAC | USA | 2018 | act. | 10's | PC | - |  | 
| Portico Technology | Miracle | UK | - | () | 80's | PC | - |  | |
|  | Portland State University  | HRRG | USA | 1946 | act. | 00's | PC | - |  | 
|  | Portwell-Laxsons India Pvt. Ltd.  | IND | - |  | 00's | PC | - |  | |
|  | Portwell, Inc. | TWN | 1993 | act. | 90's - 10's | PC | - |  | |
| Poseidon Technology, Inc. | 1 models | USA | - | () | 90's | PC | - |  | |
|  | Posiflex Technology, Inc. | TWN | 1984 | act. | 20's | PC | - |  | |
| Positive Corp. (by Tandon) | PC comp., (+5) | USA | - | () | 90's | PC | - |  | |
|  | Positivo BGH  | BRA | - | act. | 00's | PC | - |  | |
|  | Positivo Informatica S.A. | 383 models | BRA | 1989 | act. | 90's - 10's | PC |  |  | 
|  | Positron Computers | 9000, (+2) | UK | - |  | 80's | PC | - | - | 
| Post Office Research Station | COLLOSSUS, MOSAIC, (+2) | UK | 1909 | act. | 40's - 50's | SC |  | - | |
|  | Post-, Telefon- und Telegrafenbetriebe (PTT) | LESLI-80 | SWI | 1928 | 1998 | 80's | PC | - | - | 
|  | Poswink | SPA | - | act. | 20's | PC | - |  | |
|  | Potter Instrument Co., Inc.  | PICOMM, (+2) | USA | 1942 | 60's | MC, TER | - |  | |
|  | PotzBits | Mac clone, (+2) | GER | - | () | 90's | PC | - |  | 
|  | Powell Electronics, Inc. | PC comp. | TWN | - | () | 80's | PC | - |  | 
| Power C | PC comp., (+2) | USA | - | () | 90's | PC | - |  | |
|  | Power Computing Corp. | Mac clone, (+25) | USA | - | () | 90's | PC | - |  | 
|  | Power Computing Ltd. | Amiga clone, (+2) | UK | 1993 | 1993 | 90's - 00's | PC |  |  | 
|  | Power Point Technology Ltd. | PC comp. | HON | 2008 | act. | 00's - 10's | PC | - |  | 
| Power Solutions, Inc. | 1 models | USA | - |  | 80's | TER | - |  | |
| Power Systems (-> Trillian) | PC comp. | USA | - | () | 80's | PC | - | - | |
| Power Systems Computer Ltd. | SUNDERLAND | UK | - | () | 60's | SC | - | - | |
| Powerbox Systems | USA | - | () | 90's | PC | - |  | ||
|  | Powercom Co., Ltd. | PC comp. | TWN | - | () | 90's | PC | - |  | 
| Powerdata (div. Data Shop) | PC comp., (+4) | ITA | - |  | 90's | PC | - |  | |
|  | PowerDome (Umax) | Mac clone, (+5) | GER | - | () | 90's | PC | - |  | 
|  | PowerEx Systems, Inc. | Mac clone, (+5) | USA | - | () | 90's | PC | - |  | 
| Powerhouse Micros | Powerhouse 2, 3, (+2) | UK | - | () | 80's | PC | - |  | |
| Powerland | PC comp., (+11) | ? | - | () | 90's | PC | - |  | |
|  | Powernet (div. Unika) | PC comp. | FRA | - |  | 00's | PC | - | - | 
|  | PowerNoteBooks | PC comp. | USA | 1999 | act. | 00's | PC | - |  | 
|  | Powers-Samas Accounting Machine Ltd. | PCC | UK | 1929 |  | 50's | SC |  |  | 
|  | PowerSpec  | USA | - | act. | 00's - 10's | PC | - |  | |
|  | Powertip Technology Corp. | TWN | 1991 | act. | 90's - 20's | PC | - |  | |
|  | PowerTools | Mac clone, (+12) | USA | - | 1997 | 90's | PC | - |  | 
|  | Powertran Cybernetics Ltd. | Cortex, (+2) | UK | - |  | 80's | PC | - |  | 
| Powtek Electronics Co., Ltd. | TWN | - |  | 80's | PC | - | - | ||
| PPM, Inc. | 1 models | USA | - | () | 80's | PC | - | - | |
| PPZ Amepol  | MX-16 | POL | - | () | 80's | MC |  | - | |
|  | PPZ AMEPROD - Poznan  | 8 models | POL | - | () | 80's | PC | - |  | 
| PPZ Apina | ZX clone, (+3) | POL | - | () | 80's | PC | - |  | |
|  | PPZ Computex | 4 models | POL | - | () | 80's | PC | - |  | 
|  | PPZ IMPOL I | 2 models | POL | - | () | 80's | PC | - |  | 
|  | PPZ IMPOL II | 4 models | POL | - | () | 80's | PC | - |  | 
|  | PPZ ITM | POL | - | () | 80's | PC | - |  | |
| PPZ POL-ROL | IBM clone, Amstrad clone | POL | - | () | 80's | PC | - |  | |
|  | PPZ Polbrit International  | Spectrum clone, (+4) | POL | 1982 |  | 80's | PC |  |  | 
|  | PR Electronics A/S | DEN | 1974 | act. | 80's | SC | - |  | |
|  | Pracownia Elektroniki Medycznej (PEM) | Neptun | POL | 1968 | act. | 80's | PC | - | - | 
| Pragati Computers Pvt. Ltd. | IND | 1986 | act. | 80's | PC | - | - | ||
|  | Pragma Ltd. | Visual 200 | UK | - | () | 80's | TER, PC | - |  | 
| Pragmatic Designs, Inc. | CPU-1, (+2) | USA | 1979 | () | 80's | PC | - |  | |
|  | Praim s.r.l. | ITA | 1987 | act. | 80's - 10's | PC, TER |  |  | |
|  | PRAN Systems, Inc. | CAN | - | act. | 00's - 10's | PC | - |  | |
|  | Pravetz Computers OOD | PC comp. | BUL | 2013 | act. | 10's | PC | - |  | 
|  | Precisa (div. Hermes-Precisa)  | SWI | 1935 |  | 80's | PC | - | - | |
| Precision | PC comp., (+5) | ? | - |  | 90's | PC | - |  | |
| Precision America, Inc. | USA | - | () | 90's | PC | - | - | ||
| Precision Concepts Corp. | PC comp., (+3) | USA | - | () | 90's | PC | - |  | |
|  | Precision Scientific Technology Pty Ltd. | AUS | 1993 | act. | 90's - 10's | PC | - |  | |
| Precision Systems Group | PC comp. | USA | - | () | 90's | PC | - |  | |
| Precision Technology, Inc. | 4 models | USA | - |  | 80's - 90's | PC | - | - | |
|  | Preferred Networks, Inc. | 1 models | JAP | 2014 | act. | 10's - 20's | SU | - |  | 
| Premier | ? | - | act. | 20's | PC | - | - | ||
|  | Premier | PC comp. | ? | - | () | 80's | PC | - |  | 
|  | Premier Computer Handels GmbH | GER | - | act. | 00's - 10's | PC | - |  | |
|  | Premier Computer Innovations, Inc. | PC comp., (+7) | USA | - | () | 80's - 90's | PC | - |  | 
| Premier Computer Systems, Inc. | 2 models | USA | - | () | 90's | PC | - |  | |
|  | Premio Computer, Inc. | 124 models | USA | 1989 |  | 90's - 10's | PC | - |  | 
| Premio Express (-> CompuTrend) | PC comp. | USA | - | () | 90's | PC | - |  | |
| Premium Logic | USA | - | () | 90's | PC | - |  | ||
|  | Premium-PC | PC comp. | FRA | 2003 | act. | 00's - 20's | PC | - |  | 
| Prentice Electronics Corp. | 1 models | USA | - | CP | 70's | MC, TER | - | - | |
|  | President Computers  | AUS | 1970 | () | 80's | PC | - |  | |
| President Computers Corp. | 2 models | CAN | - | () | 80's - 90's | PC | - |  | |
| President Technology Corp. | PC comp. | TWN | 1967 | () | 80's | PC | - |  | |
|  | Pressco Technology, Inc. | USA | - | act. | 90's | PC | - |  | |
|  | Prestige Compex | PC comp. | TUR | - | () | 80's | PC | - | - | 
| Prestige Computer | PC comp. | USA | - | () | 80's | PC | - |  | |
| Prestigio | PC comp., (+2) | ? | - | () | 90's | PC | - | - | |
|  | Pretech Industrial Co., Ltd.  | CHN | 2006 | act. | 00's - 10's | PC | - |  | |
| Preview Computadores Ltda. | PC comp. | BRA | - | () | 90's | PC | - |  | |
| Priad Computer Systems | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | Priboj plant - Novosibirsk  | Elix-89 | RUS | 1981 | () | 80's | PC |  |  | 
|  | Prima | PC comp. | TWN | - |  | 80's | PC | - |  | 
|  | Primagraphics Ltd.  | 1 models | UK | 1982 | 2004 | 80's | TER, PC | - |  | 
| Primax Businessworld | PC comp., (+5) | CAN | - |  | 80's | PC | - |  | |
|  | Primax Data Corp. | PC comp., (+18) | USA | - | () | 90's | PC | - | - | 
|  | Prime Computer AG | SWI | 2013 | act. | 10's - 20's | PC | - |  | |
|  | Prime Computer, Inc. | PRIME, (+96) | USA | 1972 | 1998 | 70's - 90's | MF, MC, TER |  |  | 
| Prime Portable Manufacturers | PC comp. | USA | - | () | 90's | PC | - |  | |
| PrimeBook (-> Atasi Tech.) | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | Priminfo SA | PC comp. | BEL | 1985 | act. | 80's - 10's | PC | - |  | 
|  | Prince Information Systems Co. | PC comp. | TWN | - | () | 90's | PC | - |  | 
|  | Prince Technology Computer | PC comp. | TWN | - |  | 90's | PC | - |  | 
|  | Princeton Electronic Products, Inc. | 801, (+10) | USA | 1969 |  | 70's - 80's | TER | - |  | 
|  | Princeton University - Institute for Advanced Study | IAS | USA | 1930 | act. | 50's | SC |  | - | 
|  | Printaform SA de C.V.  | MEX | 1961 | act. | 70's - 90's | PC |  |  | |
|  | Printed circuits plant - Ruse | IZOT, (+3) | BUL | - | () | 80's | PC | - | - | 
| Printer Products | PC comp. | USA | - | () | 90's | PC | - |  | |
| Printer Technology | 1 models | USA | - |  | 70's | TER | - |  | |
| Priority One Electronics (P1E) | PC comp. | USA | - | () | 80's | PC | - |  | |
|  | Prism Micro-informatique SA | 1 models | FRA | - |  | 80's | PC | - |  | 
|  | Prism Technologies, Inc. | PC comp. | USA | - |  | 80's | PC | - |  | 
|  | Prisma Supercomputers  | Sparc clone | USA | 1988 |  | 80's | PC | - |  | 
|  | Pritom Technology | CHN | - | () | 10's | PC |  |  | |
| Pritronix, Inc. | USA | - | () | 80's | PC | - |  | ||
| Privac, Inc.  | 1 models | USA | - |  | 80's | PC | - |  | |
| Private Label PCS | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | Privileg (div. Quelle)  | PC comp. | GER | 1964 | act. | 90's | PC | - | - | 
| Pro Book, Inc. | PC comp., (+3) | USA | - |  | 00's | PC | - |  | |
| Pro Data | PC comp., (+5) | ? | - |  | 90's | PC | - |  | |
| Pro Didaktik GmbH | 1 models | GER | - | () | 70's | PC | - |  | |
| Pro Log | 8 models | USA | - |  | 80's - 90's | PC | - |  | |
| Pro Serve | PC comp. | USA | - |  | 80's | PC | - |  | |
| Pro Synergy | PC comp. | UK | - |  | 00's | PC | - | - | |
| Pro-America Systems, Inc. | USA | - | () | 90's | PC | - |  | ||
| Pro-Automation Pty Ltd. | PC comp., (+2) | AUS | - |  | 80's | PC | - |  | |
| Pro-Link Technology | PC comp. | USA | - | () | 90's | PC | - |  | |
|  | Pro-Log Corp. | PLS, (+28) | USA | - | () | 70's | PC | - |  | 
| Pro-Plus Corp. | PC comp. | USA | - | () | 80's | PC | - |  | |
| Problem Solver Systems, Inc. | 1 models | USA | - |  | 70's | TER | - |  | |
|  | ProCA spol. s r.o.  | PC comp., (+5) | CZE | 1993 | 2005 | 90's | PC | - |  | 
|  | Proceda Tecnologia S.A. | 1 models | BRA | - | () | 80's | PC | - |  | 
|  | Process Computer Systems, Inc. (PCS) | Micropac, (+11) | USA | - | () | 70's | PC | - |  | 
| Process Technology Corp. | 1 models | USA | - |  | 70's | PC | - |  | |
|  | Processor Technology Corp.  | Sol-20, (+5) | USA | 1975 | 1979 | 70's | PC |  |  | 
| Procom Technology | PC comp. | ITA | - | () | 90's | PC | - | - | |
|  | Procom Technology, Inc. | 11 models | USA | - |  | 00's | PC | - |  | 
|  | Procomp Industria Eletronica Ltda. | PC comp., (+62) | BRA | 1985 |  | 90's | PC | - |  | 
|  | Procomp Informatics Ltd. | PC comp. | TWN | 1991 | 2004 | 90's | PC | - | - | 
|  | ProComs Servis s.r.o.  | PC comp. | CZE | - | act. | 00's | PC | - | - | 
|  | Procontrol Elektronika Kft. | 1 models | HUN | 1984 | act. | 80's | PC | - |  | 
| Procorp | USA | - | () | 90's | PC | - |  | ||
|  | Prodata Systems NV (-> InData) | BEL | 1971 | act. | 80's | PC | - |  | |
|  | Prodigy Systems, Inc.  | Prodigy | USA | 1979 |  | 70's - 80's | PC | - |  | 
|  | Prodrive Technologies BV | HOL | 1993 | act. | 00's - 20's | PC | - |  | |
| Product Associates, Inc. | ZDISK-1, (+4) | USA | 1976 | () | 80's | PC | - |  | |
|  | Products4Automation | UK | - | act. | 00's - 10's | PC | - |  | |
| Professional Business Solutions | USA | - | () | 80's | PC | - | - | ||
| Professional Computer Mfg. | PC comp., (+2) | USA | - | () | 90's | PC | - |  | |
| Professional Concepts | PC comp., (+28) | USA | - | () | 90's | PC | - | - | |
| Professional Data Computer GmbH (PDC)  | Clipper, Consult, Contact, (+7) | GER | - | () | 80's | PC | - |  | |
|  | Professional Electronic Products (PEP) | 2 models | IND | - | () | 80's | PC | - |  | 
|  | Professional Technologies | PC comp. | USA | - | () | 90's | PC | - |  | 
|  | Profex Electronic GmbH & Co. KG | PC comp., (+2) | GER | - | () | 90's | PC | - | - | 
| Profi | PC comp. | ? | - |  | 90's | PC | - |  | |
| Profit Technology | USA | - | () | 80's | PC | - |  | ||
|  | Profound Computer (Australia) Pty Ltd. | PC comp., (+8) | AUS | - |  | 80's - 90's | PC | - | - | 
|  | ProGen Technology, Inc. | PC comp., (+17) | USA | 1984 |  | 90's | PC |  |  | 
|  | Progitech | PC comp. | FRA | - |  | 90's | PC | - |  | 
| Programmed Control Corp. | Prophet 21, (+2) | USA | - | () | 70's | MC | - |  | |
| Programmin Methods, Inc. | 1 models | USA | - |  | 70's | MC | - |  | |
| Progress Systems, Inc. | PC comp. | USA | - | () | 90's | PC | - |  | |
| Progressive Micro Systems | PC comp. | USA | - | () | 90's | PC | - |  | |
| Progressive Technologies, Inc. | PC comp., (+4) | USA | - | () | 90's | PC | - |  | |
|  | Project Assistance Informatique (PAI) | Mazel II | FRA | - | () | 80's | PC | - |  | 
| ProLinear Corp. | Tidalwave clone, (+3) | USA | - | () | 90's | PC | - |  | |
| Prolink Corp. | 1 models | USA | 1980 |  | 80's | PC | - | - | |
| Prologic Designs, Inc. | 2 models | USA | - | () | 90's | PC | - |  | |
|  | Prológica Indústria e Comércio de Microcomputadores Ltda. | CP-300, CP-500, (+29) | BRA | 1976 |  | 80's | PC |  |  | 
|  | Promark Technology | PC comp., (+7) | USA | 1980 | act. | 00's | PC | - |  | 
| Promark Technology West, Inc. | PEP | USA | - | () | 90's | PC | - |  | |
|  | Promatek Industries Ltd. | Copitrak, (+3) | CAN | - |  | 90's | PC |  | - | 
| ProMax Computer | PC comp. | USA | - | () | 80's | PC | - | - | |
|  | ProMAX Systems | PC comp. | USA | 1994 | act. | 00's | PC | - |  | 
|  | Promedia (div. Sung Il Computec) | PC comp. | KOR | - | () | 90's | PC | - |  | 
| Promedics Data Corp. | 1 models | USA | - | () | 70's | PC | - |  | |
|  | ProMedion | PC comp., (+25) | HOL | 1996 | 2006 | 90's - 00's | PC | - |  | 
| Promethean Electronics Distribution (Pvt) Ltd. | PC comp. | ZIM | - | () | 90's | PC | - |  | |
|  | Promethean World Ltd.  | USA | 1997 | act. | 20's | PC |  |  | |
| Prometric | B2 | ? | - | () | 80's | PC | - |  | |
| ProMicro Technologies | 13 models | USA | - |  | 00's | PC | - |  | |
| Prominent Computer | PC comp. | ? | - | () | ? | PC | - | - | |
|  | Promobit | BitBlaze | RUS | 2009 | act. | 00's | PC | - | - | 
| Pronetics Corp.  | 1 models | USA | - |  | 70's | PC | - |  | |
|  | Pronto Computers, Inc. | Serie 16, (+16) | USA | 1983 |  | 80's | PC |  |  | 
| Pronto Electronic Systems Ltd. | 1 models | UK | - |  | 70's | TER | - |  | |
| ProntoTech (-> Citus) | USA | - | () | 00's | PC | - | - | ||
|  | Propellerpowered | Micromite | USA | - | act. | 00's | PC, TER | - |  | 
| Proper Association | PC comp. | HUN | - | () | 80's | PC | - | - | |
|  | Proprietary Computer Systems, Inc.  | PCS | USA | - | () | 70's | PC | - |  | 
|  | ProScan (by Technicolor) | 3 models | FRA | 1990 |  | 00's - 10's | PC |  |  | 
|  | Proside Corp. | 68 models | JAP | 1987 | 2008 | 80's - 90's | PC |  |  | 
| Prosisa Informatica | MPC | BRA | - | () | 80's | PC | - | - | |
| ProSlim | PC comp., (+2) | ? | - | () | 90's | PC | - | - | |
| ProSoft Wonderlite Computer AG | PC comp. | GER | - | () | 90's | PC | - |  | |
| ProSource Industrial Co., Ltd. | TWN | - | act. | 00's | PC | - |  | ||
|  | Prostar Computer | PC comp., (+268) | USA | 1992 | act. | 90's - 10's | PC |  |  | 
| Prosys-Tec Corp.  | PC comp., (+102) | CAN | 1991 |  | 90's | PC | - |  | |
| Protac (div. PC Chips) | PC comp., (+3) | UK | - |  | 90's | PC | - |  | |
|  | Protac International Computer Ltd. | PC comp., (+9) | TWN | 1994 | act. | 00's | PC | - |  | 
|  | Protec Microsystems, Inc. | Pro-80 | CAN | - |  | 80's | PC | - |  | 
| Protech Australia  | PC comp., (+18) | AUS | - |  | 80's - 90's | PC | - |  | |
|  | Protech Systems Co., Ltd. | TWN | 1980 | act. | 90's - 10's | PC | - |  | |
|  | Protegé Computer Products | PC comp. | USA | - | () | 80's | PC | - | - | 
|  | Protek (Europe) Ltd. | PC comp. | UK | 1996 | act. | 90's | PC | - |  | 
|  | Proteus Industries, Inc.  | 9 models | USA | 1978 | act. | 80's | PC | - |  | 
|  | Proteus International | 5 models | FRA | 1978 |  | 70's | PC | - |  | 
|  | Proteus Technology Corp. | PC comp., (+15) | USA | - | () | 80's - 90's | PC | - |  | 
|  | Proteva Computers, Inc.  | PC comp., (+5) | USA | 1989 | 1999 | 90's | PC | - |  | 
| Protex Industries, Inc.  | 1 models | USA | - |  | 80's | MC | - |  | |
|  | Protocol Computers, Inc. | 3 models | USA | - | () | 80's | MC, TER, SC | - | - | 
|  | Proton Computer Vertriebs GmbH | PC comp., (+5) | GER | 1990 |  | 90's | PC | - |  | 
| Proton Corp. | PC comp., (+279) | USA | - | () | 90's | PC | - |  | |
|  | Proton Electronics Ltd. | Utopia, Concorde, (+3) | NZL | - | () | 80's | PC | - |  | 
| Protronic Enterprises Corp. | 1 models | TWN | - | () | 80's | PC | - | - | |
| Provence Technology Co., Ltd. | PC comp. | CHN | 2011 | act. | 10's | PC | - |  | |
| Providence Technology Corp. | PC comp. | USA | - | () | 90's | PC | - |  | |
| Provider Center | PC comp. | GER | - |  | 90's | PC | - |  | |
|  | Prowin's (by V.Tech) | PC comp. | HON | - | () | 90's | PC | - |  | 
|  | Prowtech Co., Ltd. | PC comp. | TWN | - | () | 80's | PC | - |  | 
|  | Przedsiebiorstwo Zagraniczne Wielobranzowe EMIX | 5 models | POL | - | () | 80's | PC, TER |  |  | 
|  | Przemyslowy Instytut Elektroniki  | MSP-80 | POL | 1956 | 2007 | 80's | PC |  | - | 
|  | PS Computer | PC comp. | USA | - |  | 80's | PC | - |  | 
| PS Computers | PC comp. | USA | - |  | 80's | PC | - | - | |
|  | PSC, Inc. | Falcon | USA | - | () | 00's | PC | - |  | 
|  | PSI 2000  | PC comp. | FRA | - | () | 90's | PC | - |  | 
|  | PSI Data Systems Ltd.  | 1 models | IND | 1976 | () | 80's | MF, MC, PC | - |  | 
|  | Psion Plc | 31 models | UK | 1980 | 2013 | 80's - 90's | PC, TER |  |  | 
|  | Psion Teklogix International, Inc. | Netpad, (+7) | CAN | - | () | 00's | PC, TER |  | - | 
|  | PsiTech, Inc. | 17 models | USA | 1980 | act. | 80's - 90's | TER, PC | - |  | 
|  | Pskov Radio Parts Plant | K-200 | RUS | - | () | 70's | SC | - | - | 
| PSP | 2 models | GER | - | () | 80's | TER | - |  | |
|  | PsychosoftPC | PC comp. | USA | - | act. | 00's | PC | - |  | 
|  | Psystar  | USA | 2008 | 2009 | 00's | PC |  | - | |
| Psytek, Inc. | 1 models | USA | - |  | 70's | PC | - |  | |
|  | PT Berca Cakra Teknologi (div. Berca Group) | Relion | IND | 1988 | act. | 10's | PC | - |  | 
| PT-Data Oy ?  | PC comp. | FIN | - |  | 90's | PC | - |  | |
|  | PTT Centraal Laboratorium | PTERA, ZEBRA, (+2) | HOL | 1955 |  | 50's | SC | - |  | 
|  | Pubblimar Systems (Micromar) | PC comp. | ITA | 1980 |  | 80's | PC | - |  | 
|  | Publix Computer GmbH | PC comp., (+2) | GER | - |  | 90's | PC | - |  | 
|  | Puget Systems | USA | 2000 | act. | 00's - 10's | PC |  |  | |
|  | Pulau Electronics Corp. | USA | 1975 | act. | 80's | PC | - |  | |
|  | Pulsar Electronics Pty Ltd. | Series 6000 (Little Big Board), (+3) | AUS | 1979 |  | 80's | SC | - | - | 
|  | Pulse Train Technology Ltd. | 1 models | UK | - | () | 80's | TER | - |  | 
|  | Purdue University | Coates, (+3) | USA | 1869 | act. | 00's | SU |  | - | 
|  | Pure Data Ltd. | CAN | - | () | 90's | PC | - |  | |
|  | Purism, SPC | 2 models | USA | 2014 | act. | 10's | PC |  |  | 
|  | Puritron International, Inc. | TWN | 1994 | act. | 00's - 10's | PC | - |  | |
| Purple Computers | PC comp. | UK | - |  | 00's | PC | - |  | |
|  | Purpose Co., Ltd.  | JAP | 2011 | act. | 00's | PC |  | - | |
|  | Putnam Electronics | PE6502 | USA | - | act. | 00's | PC | - |  | 
|  | Pyongyang Computer Assembly Factory | PC comp. | NKO | 1989 | act. | 90's | PC | - | - | 
|  | Pyongyang Electronic Calculator Factory  | PC comp. | NKO | 1988 | act. | 80's | PC | - |  | 
|  | Pyongyang Electronics Development Company  | PC comp. | NKO | - | act. | 00's | PC | - |  | 
| Pyongyang University of Computer Technology (PUCT) | PC comp. | NKO | 1985 | act. | 80's - 90's | PC | - |  | |
|  | Pyramid Computer GmbH | 23 models | GER | 1985 | act. | 90's - 10's | PC, SU |  |  | 
|  | Pyramid Technology Corp.  | RTP-50/400, Nile-100/150, (+60) | USA | 1981 | 1995 | 80's - 90's | MC, SU | - |  | 
| PZ Karen  | Quasar PC | POL | 1983 | () | 80's | PC | - | - | |
| PZ KOMPLEX EFC  | 2 models | POL | - | () | 80's | PC | - |  | |