| Business | Phone |
| Afa Protective Systems Inc 519 8th Ave # 4, New York 10018 | (212) 279-5000 |
| Atlas Alarms Inc 7 Park Ave, New York 10016 | (212) 879-7000 |
| Briscoe Protective Systems Inc 1328 Broadway, New York 10001 | (212) 643-8753 |
| Pyramid Fire Inc 114 E 32nd St # 906, New York 10016 | (212) 447-0283 |
| Pyrotech Service Inc 401 7th Ave, New York 10001 | (212) 564-3150 |
| Ready Alarm Inc 519 8th Ave # 4, New York 10018 | (212) 736-2026 |
| Sirina Protection Systems 118 W 27th St # 3, New York 10001 | (212) 971-0709 |
| Madison Service Corp 395 S End Ave # 2, New York 10280 | (718) 428-2176 |
| Millennium Fire Svc Llc 325 W 38th St, New York 10018 | (212) 244-1487 |