Columbia NW HeatingLogo Design Contest Logo Design Contest Contests / Columbia NW Heating Columbia NW Heating has selected their winning logo design. For $375 they received 40 designs from 7 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by bestone Return to Contest Return to Contest Withdrawn 2nd #37 Withdrawn Prefers others. #39 Withdrawn Prefers others. #38 Discussion No comments yet.