| Business | Phone |
| American Video Svc Dept 503 W 85th St, New York 10024 | (212) 724-4870 |
| Video Maintenance Inc 38 W 32nd St # 1104, New York 10001 | (646) 733-2714 |
| Mitchell Stuart 377 Park Ave S, New York 10016 | (212) 679-6108 |
| Technetron Electronics Inc 39 E 29th St # 1, New York 10016 | (212) 725-8778 |