GC3 - Green Chemistry & Commerce CouncilLogo Design Contest Logo Design Contest Contests / GC3 - Green Chemistry & Commerce Council GC3 - Green Chemistry & Commerce Council has selected their winning logo design. For $375 they received 121 designs from 21 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by abisatya Return to Contest Return to Contest Withdrawn Prefers others. #9 Withdrawn Prefers others. #7 Withdrawn Prefers others. #6 Discussion No comments yet.