TGC™ is headquartered in Michigan. Being a subsidiary of E.L.D. Cornerstone™ which is a Capitals & Squares LLC company, no wonder you can always find TGC™ representatives and agents in Metro-Detroit and in Metro-Boston. Scroll down to find out ways to reach us and contribute to TGC™ as it reaches out to the world of Music, Cinema, Theatre, Arts; and the fans and arts that come with these.