| Business | Phone |
| Williams Communications Group 86 Viaduct Rd, Stamford 6907 | (203) 323-5499 |
| Winstar Communications 6 Landmark Sq, Stamford 6901 | (203) 359-5636 |
| Telenet Communications 400 Main St, Stamford 6901 | (203) 975-9893 |
| Strong Communications 66 Indian Rock Rd, Stamford 6903 | (203) 595-9410 |
| Clout Communications Inc 43 Lanark Rd, Stamford 6902 | (203) 348-2424 |
| Conversent Communications Inc 878 High Ridge Rd, Stamford 6905 | (203) 968-1506 |
| Davis World Vision Comm Ltd 760 Summer St, Stamford 6901 | (203) 487-6101 |
| Dsd Communications 62 Southfield Ave # 2, Stamford 6902 | (203) 323-9701 |
| Focus Communications & Mktng 2001 W Main St # 106, Stamford 6902 | (203) 977-2111 |
| Integrated Communications Sys 1 Dock St, Stamford 6902 | (203) 973-1189 |
| Kent Communications 3 Landmark Sq, Stamford 6901 | (203) 325-2515 |
| Kmd Communications Inc 1 Dock St, Stamford 6902 | (203) 324-1700 |
| Kmd Communications Inc 1111 Summer St, Stamford 6905 | (203) 326-8745 |
| Kmd Communications Inc 3 Stamford Lndg, Stamford 6902 | (203) 352-0400 |
| K M Communications Inc 316 Courtland Ave, Stamford 6906 | (203) 348-3440 |