Imperalis Holding Corp., doing business as TurnOnGreen, Inc., designs and manufactures power products for mission-critical, lifesaving, and sustaining applications spanning various sectors in the harshest environments. It serves markets, such as defense and aerospace, medical and healthcare, industrial, telecommunications, and e-Mobility. The company was formerly known as Coloured (US) Inc. and changed its name to Imperalis Holding Corp. in March 2011. The company was founded in 1969 and is headquartered in Milpitas, California.