Call Now, Inc., through its subsidiary, Retama Entertainment Group, Inc., engages in the operation and management of Retama Park, a horse racetrack located in Selma, Texas. The company was organized under the name Rad San, Inc. in 1990. It changed its name to Phone One International, Inc. in January 1994 and to Call Now, Inc. in December 1994. Call Now, Inc. is based in Selma, Texas.
To see the headquarters in Google Street View &trade, drag this yellow guy: 
over to the red pointer: 
