| Business | Phone |
| Edison Protection Systems Ltd 33 S Broadway, Yonkers 10701 | (914) 423-4980 |
| Fleetwood Lock & Alarm Co 1085 Yonkers Ave, Yonkers 10704 | (914) 633-0080 |
| Abway Security Systems 278 Glenbrook Ave, Yonkers 10705 | (914) 968-3880 |
| Advanced Security Systems Inc 283 S Broadway, Yonkers 10705 | (914) 968-4111 |
| Bbc Security & Communication 401 Mclean Ave, Yonkers 10705 | (914) 969-4000 |
| Live Wire Security & Comms Inc 2112 Central Park Ave, Yonkers 10710 | (914) 961-0961 |
| M & A Alarm Inc 9 Winans Dr, Yonkers 10701 | (914) 376-6844 |
| Northstar Security Corp 53 Park Hill Ave, Yonkers 10701 | (914) 968-9552 |
| Perfection Detection Security 2 Ascot Rd, Yonkers 10710 | (914) 576-8583 |
| Safe & Sound 105 Wakefield Ave, Yonkers 10704 | (914) 964-2900 |
| Sure Protective Systems Ltd 129 Mountaindale Rd, Yonkers 10710 | (914) 395-1617 |