| Business | Phone |
| Xcel Computer Systems Inc 124 Mount Auburn St, Cambridge 2138 | (617) 576-5738 |
| Apple Store 100 Cambridgeside Pl, Cambridge 2141 | (617) 225-0442 |
| Bene Tech Personal Computer 126 Inman St, Cambridge 2139 | (978) 369-3685 |
| Micro Center 730 Memorial Dr, Cambridge 2139 | (617) 234-6400 |
| Mitsubishi Electric Research 201 Broadway # 8, Cambridge 2139 | (617) 621-7500 |
| C/Net The Computer Network 124 Mount Auburn St, Cambridge 2138 | (617) 576-5814 |
| Computer Intelligence Info 1 Athenaeum St, Cambridge 2142 | (617) 225-3510 |
| Computer Science Corp 5 Cambridge Ctr, Cambridge 2142 | (617) 374-2700 |
| Concorde Group Ltd 229 Binney St, Cambridge 2142 | (617) 491-0400 |
| Data Power Technology 1 Alewife Ctr, Cambridge 2140 | (617) 864-0455 |
| P C's For Everyone 24 Charles St, Cambridge 2141 | (617) 395-7200 |
| Hewlett-Packard Co 1 Cambridge Ctr # 12, Cambridge 2142 | (617) 551-7600 |