Shamrock Towing, Inc.Logo Design Contest Logo Design Contest Contests / Shamrock Towing, Inc. Shamrock Towing, Inc. has selected their winning logo design. For $375 they received 77 designs from 19 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by vicvic Return to Contest Return to Contest Withdrawn New #55 Withdrawn New #54 Withdrawn New #53 Discussion No comments yet.