| Business | Phone |
| Capital Computer Llc 84 Congress Ave, Shelton 6484 | (203) 924-9141 |
| Shelton Computer Svc 42 Oliver Ter # 1, Shelton 6484 | (203) 225-6845 |
| Connecticut Computer Group 4 Research Dr # 402, Shelton 6484 | (203) 402-7243 |
| Precision Computer Svc Inc 175 Constitution Blvd S, Shelton 6484 | (203) 929-0000 |
| Navitek Computers 5 Bridgeport Ave, Shelton 6484 | (203) 924-2642 |
| Landmark Office Systems Inc Shelton 6484 | (203) 925-9778 |