| Business | Phone |
| Computer Metering Corp 450 7th Ave # 403, New York 10123 | (212) 279-7215 |
| Elec-Util Consulting Co 13 W 25th St, New York 10010 | (212) 494-0020 |
| Electric Meter Corp 259 W 30th St # 11, New York 10001 | (212) 736-5850 |
| Energywatch Inc 29 Broadway # 12, New York 10006 | (212) 419-1919 |
| Urge Electrical Management Co 445 W 19th St # 1c, New York 10011 | (212) 727-7730 |