| Business | Phone |
| Security Management System Inc 5215 11th St, Long Island City 11101 | (718) 729-7799 |
| Century Protective Svc Inc 3840 Crescent St, Long Island City 11101 | (718) 729-4440 |
| Smart Interactive Systems Inc 3636 33rd St, Long Island City 11106 | (718) 706-9600 |