| Business | Phone |
| Medstat Group Inc 125 Cambridgepark Dr, Cambridge 2140 | (617) 576-3237 |
| Cambridge Computer Assoc Inc 87 Fresh Pond Pkwy, Cambridge 2138 | (617) 868-1111 |
| Cambridge Data Systems 4 Jay St, Cambridge 2139 | (617) 497-4065 |
| Patni Computer Systems Inc 1 Broadway Ct # 15, Cambridge 2138 | (617) 914-8000 |