1. Sylmar Hang Gliding Assc 12601 Gridley St, Sylmar, CA 91342 Coordinate: 34.3178,-118.40715 Phone: (818) 362-9978
2. Windsports Hang Gliding 12623 Gridley St, Sylmar, CA 91342 Coordinate: 34.31751,-118.40809 Phone: (818) 367-2430