| Business | Phone |
| 1 Solution Telecom 198 Lawn Ave, Stamford 6902 | (203) 967-2611 |
| Atl Enterprises Inc 198 Lawn Ave, Stamford 6902 | (203) 327-0907 |
| Superior Telephone Systems Stamford 6902 | (203) 325-9949 |
| Select Telecom Inc 375 Fairfield Ave # 5, Stamford 6902 | (203) 351-9874 |
| Fairfield County Communication 16 3rd St, Stamford 6905 | (203) 327-9444 |
| New England Communication Corp 1275 A1 Rock Hill St, Stamford 6902 | (203) 753-7411 |
| Nec Business Network Solutions 5 High Ridge Park, Stamford 6905 | (203) 461-9200 |