Prime Books was created in 2001.
OR Books was created in 2010.
Howard Books was created in 1969.
Coliseum Books was created in 1974.
Tightrope Books was created in 2005.
Seren Books was created in 1981.
Prime - comics - was created in 1993.
Prime of My Life was created in 1990.
Prime Obsession was created in 2003.
Prime Restaurants was created in 1980.
The Prime Element was created in 1976.
Superboy-Prime was created in 1985.
Prime Therapeutics was created in 1998.