| Business | Phone |
| Telecommunications & Energy 1 South Sta # 2, Boston 2110 | (617) 305-3500 |
| Energy Resources Office 100 Cambridge St, Boston 2114 | (617) 727-4732 |
| Energy Resources Office 70 Franklin St # 7, Boston 2110 | (617) 727-4732 |
| Management Information Systems 1 Ashburton Pl # 801, Boston 2108 | (617) 626-4650 |
| Information Technology Div 1 Ashburton Pl # 801, Boston 2108 | (617) 626-4400 |