| Business | Phone |
| Aes New Energy Inc 800 Boylston St # 28, Boston 2199 | (617) 859-3666 |
| Alternate Power Source Inc 200 Clarendon St, Boston 2116 | (617) 421-4280 |
| Calpine Eastern Corp 2 Atlantic Ave, Boston 2110 | (617) 720-5206 |
| Calpine Eastern Corp Lewis Wharf, Boston 2110 | (617) 723-7200 |
| Pinpoint Power 440 Commercial St, Boston 2109 | (781) 453-1114 |
| Power Options 99 Summer St # 1000, Boston 2110 | (617) 737-8480 |
| Nstar 800 Boylston St, Boston 2199 | (617) 424-2000 |
| Montaup Electric Co 1 Liberty Sq, Boston 2109 | (508) 678-5283 |
| Essex Power Svc 55 Union St # 4, Boston 2108 | (617) 367-0032 |
| Meridian Power Corp 101 Federal St, Boston 2110 | (617) 342-7377 |