Northern California Roller Derby ChampionshipsLogo Design Contest Logo Design Contest Contests / Northern California Roller Derby Championships Northern California Roller Derby Championships has selected their winning logo design. For $325 they received 44 designs from 10 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by BusinessBuilders Return to Contest Return to Contest Withdrawn Prefers others. #8 Withdrawn Prefers others. #5 Withdrawn Prefers others. #4 Withdrawn Prefers others. #3 Discussion BusinessBuilders Logo Designer When you take image to a black shirt - color adjustments will be made to make it work... we do shirts all the time and are in the bay area! Carolbusinessbuilders. 9 years ago BusinessBuilders Logo Designer if you can upload the vector version of the NRDA logo it will be very helpful. 9 years ago