Stone Bridge Operations IncLogo Design Contest Logo Design Contest Contests / Stone Bridge Operations Inc Stone Bridge Operations Inc has selected their winning logo design. For $350 they received 152 designs from 49 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by creative space Return to Contest Return to Contest Withdrawn New #149 Withdrawn Prefers others. #148 Discussion No comments yet.