| Business | Phone |
| Automated Systems & Products 442 Allen St, Springfield 1118 | (413) 781-1210 |
| Coghlin Network Svc 32 Hampden St, Springfield 1103 | (413) 739-7201 |
| F C Com Inc 1 Federal St, Springfield 1105 | (413) 733-7338 |
| Insyscom Corp 20 Maple St # 3, Springfield 1103 | (413) 746-6400 |