Group W Productions (also known as Westinghouse Broadcasting and formerly WBC Productions) is a defunct television production company branch founded by George Westinghouse. It produced successful shows such as Evening Magazine, Hour Magazine, The Mike Douglas Show, Teenage Mutant Ninja Turtles (1987 version) and Martha Stewart Living. Group W was also the owner of now-CBS-owned radio & TV stations like KYW-TV in Philadelphia, KPIX–TV in San Francisco, WCXR-FM in Washington D.C. and WJZ-TV in Baltimore. It started out as a radio company in 1920 and expanded to television in 1948. Then, in 2000, it folded into Eyemark Entertainment and later into King World. Today it is CBS Television Distribution.
Their logo is a stylized "W".