SIOLogo Design Contest Logo Design Contest Contests / SIO SIO has selected their winning logo design. For $275 they received 118 designs from 39 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Donadell Return to Contest Return to Contest Withdrawn Prefers others. #20 Withdrawn Prefers others. #19 Discussion No comments yet.