Jet Security SystemsLogo Design Contest Logo Design Contest Contests / Jet Security Systems Jet Security Systems has selected their winning logo design. For $415 they received 310 designs from 36 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by mannis85 Return to Contest Return to Contest Removed New #123 Removed New #120 Removed Prefers others. #54 Discussion No comments yet.