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 guz Return to Contest Return to Contest New #121 New #120 New #118 New #117 Discussion No comments yet.