IoBilling.comLogo Design Contest Logo Design Contest Contests / IoBilling.com IoBilling.com has selected their winning logo design. For $300 they received 158 designs from 35 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Lumon Return to Contest Return to Contest Withdrawn New #97 Withdrawn New #98 Withdrawn Prefers others. #59 Withdrawn Prefers others. #58 Discussion No comments yet.