Sentry Tank ComplianceLogo Design Contest Logo Design Contest Contests / Sentry Tank Compliance Sentry Tank Compliance has selected their winning logo design. For $575 they received 129 designs from 21 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Lucko Return to Contest Return to Contest New #74 Prefers others. #71 Discussion No comments yet.