The Plumbers GuildLogo Design Contest Logo Design Contest Contests / The Plumbers Guild The Plumbers Guild has selected their winning logo design. For $550 they received 178 designs from 48 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by kernball Return to Contest Return to Contest New #43 Prefers others. #44 Withdrawn Prefers others. #36 Discussion No comments yet.