Certa Plumbing Ltd.Logo Design Contest Logo Design Contest Contests / Certa Plumbing Ltd. Certa Plumbing Ltd. has selected their winning logo design. For $275 they received 264 designs from 28 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Annotation Delete We are sorry, but the time to edit this annotation has expired. Save Cancel Entries by Source 52 Return to Contest Return to Contest Comment Activity Order by Ranking Entry Number Comment Activity To leave a comment please click on the logo. New New Prefers others. Prefers others. Prefers others. Prefers others. 1 Comment Activity Source 52 commented on #33 It resembles Plumbing wrench tool 6 years ago