Lead O2Logo Design Contest Logo Design Contest Contests / Lead O2 Lead O2 has selected their winning logo design. For $500 they received 197 designs from 53 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by SPARKcreative Return to Contest Return to Contest Withdrawn New #95 Withdrawn Prefers others. #72 Discussion No comments yet.