Unisonic Products Corp.
Unisonic Products Corporation was an American manufacturer and distributor of consumer electronics from the 1970s to the 1990s, incorporated in 1972. Although headquartered in New York City, Unisonic outsourced its manufacturing operations to various facilities in East Asia (especially in Hong Kong, South Korea, and Japan).
Unisonic was and is a major marketer of calculators. In the 1970's they produced a huge array of LED and fluorescent display pocket calculator models.