Green City SecurityLogo Design Contest Logo Design Contest Contests / Green City Security Green City Security has selected their winning logo design. For $325 they received 73 designs from 13 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Minoru Return to Contest Return to Contest Withdrawn New #32 Discussion Minoru Logo Designer Bird view skyscraper under the drone with city map background. All inside the shield. 9 years ago