turner broadcasting system, inc. (abbreviated as tbs) is an american television and media conglomerate, part of at&amp;t's warnermedia. founded by ted turner and based in atlanta, georgia, it merged with time warner on october 10, 1996. among its main properties were its namesake tbs, tnt, cnn, and trutv. it also licensed or had ownership interests in international versions of these properties. the headquarters of turner's properties are located in both the cnn center in downtown atlanta, and the turner broadcasting campus off techwood drive in midtown atlanta, which also houses turner studios.