Energy Engines, IncLogo Design Contest Logo Design Contest Contests / Energy Engines, Inc Energy Engines, Inc has selected their winning logo design. For $575 they received 173 designs from 41 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by zie Return to Contest Return to Contest Withdrawn New #144 Withdrawn Prefers others. #145 Withdrawn Prefers others. #143 Withdrawn Prefers others. #142 Withdrawn Prefers others. #141 Withdrawn Prefers others. #140 Discussion No comments yet.