Spectrum Builders LLCLogo Design Contest Logo Design Contest Contests / Spectrum Builders LLC Spectrum Builders LLC has selected their winning logo design. For $375 they received 124 designs from 23 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Lucko Return to Contest Return to Contest New #122 Withdrawn New #119 Discussion No comments yet.