Energy Efficient SolutionsLogo Design Contest Logo Design Contest Contests / Energy Efficient Solutions Energy Efficient Solutions has selected their winning logo design. For $1000 they received 829 designs from 125 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by sevensign Return to Contest Return to Contest Withdrawn New #516 Withdrawn New #511 Withdrawn Prefers others. #560 Withdrawn Prefers others. #559 Withdrawn Prefers others. #549 Discussion No comments yet.