Astral Media Inc. was a Canadian media conglomerate. It was Canada's largest radio broadcaster, with 84 radio stations in eight provinces. Astral was also a major player in premium and specialty telev

CHUM Limited was a Canadian media company based in Toronto, Ontario in operation from 1945 to 2007. The company was founded in 1944 as York Broadcasters Limited, launching CHUM-AM 1050 the next year.