National Helicopter ServiceLogo Design Contest Logo Design Contest Contests / National Helicopter Service National Helicopter Service has selected their winning logo design. For $375 they received 55 designs from 14 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by suke Return to Contest Return to Contest Withdrawn Prefers others. #18 Withdrawn Prefers others. #17 Discussion No comments yet.