The story
Kramer Electronics was founded in 1981 by Joseph Kramer, who has a PhD in pharmaceutical biology and was working in research and development at a company that manufactured headphones.
His employer went out of business and Kramer foresaw the significance of video, then in its infancy, and used his previous employer's distribution channels to start selling video products of his own design.
Acquisition of Sierra Video
In 2003, Kramer Electronics bought Sierra Video, a company that manufactures Broadcast Routing equipment which expanded the Kramer product offering into large format routing products for composite video, RGBHV video and SDI and HD-SDI signals as well as audio signals.
Acquisition of UC Workspace
In February 2022, it was announced Kramer has acquired the hybrid collaboration meeting room application provider, UC Workspace.
From Wikipedia’s article on Kramer Electronics, shared under CC BY-SA 4.0.4