Solatube International, Inc.Logo Design Contest Logo Design Contest Contests / Solatube International, Inc. Solatube International, Inc. has selected their winning logo design. For $300 they received 124 designs from 36 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by slinkyart Return to Contest Return to Contest Withdrawn New #109 Prefers others. #111 Discussion No comments yet.