Keystone Quality, LLCLogo Design Contest Logo Design Contest Contests / Keystone Quality, LLC Keystone Quality, LLC has selected their winning logo design. For $375 they received 149 designs from 32 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by wes-wos Return to Contest Return to Contest Withdrawn Prefers others. #19 Withdrawn Prefers others. #18 Discussion No comments yet.