SGN was the first broadcast-based service airing classic shows from the Columbia Pictures Television vault airing shows with an unprecedented resource base of 58,000 episodes of 350 television series from the 1950s to 1980s from those by Screen Gems, Columbia Pictures Television, Tandem Productions, TAT Communications, TOY Productions, Embassy Television and Embassy Communications.
Big Finish Productions | Hammer Film Productions | Tiger Aspect Productions | Baby Cow Productions | Kenneth Cole Productions | Desilu Productions | Tsuburaya Productions | Tandem Productions | Icon Productions | Eon Productions | Top Shelf Productions | STV Productions | Harpo Productions | Crawford Productions | Whirlpool Productions | Tandem | Scott Free Productions | Play Loud! Productions | Mirvish Productions' | Mirvish Productions | Merchant Ivory Productions | JAM Creative Productions | Fantasy Productions | CNS Productions | Bray Productions | Union Carbide Productions | Top Cow Productions | Seven Arts Productions | Morgan Creek Productions | King World Productions |
Some argue the rules brought about a golden era of independent television production by companies like MTM Enterprises (The Mary Tyler Moore Show) and Norman Lear's Tandem Productions (All in the Family).