| Business | Phone |
| Whitehead Institute-Biomedical 9 Cambridge Ctr, Cambridge 2142 | (617) 258-5000 |
| Addgene Inc 1 Kendall Sq # 600, Cambridge 2139 | (617) 225-9000 |
| Waban Software Inc 84 Sherman St, Cambridge 2140 | (617) 868-8911 |
| Altus Pharmaceuticals 625 Putnam Ave, Cambridge 2139 | (617) 299-2900 |
| Tkt Securities Corp 195 Albany St, Cambridge 2139 | (617) 349-0200 |
| Transkaryotic Therapies Inc 700 Main St, Cambridge 2139 | (617) 349-0200 |
| Therman Technologies 222 3rd St, Cambridge 2142 | (617) 577-1759 |
| Aventis Pharmaceuticals Inc 26 Landsdowne St, Cambridge 2139 | (617) 768-4000 |
| Ensemble Discovery 99 Erie St, Cambridge 2139 | (617) 492-6977 |
| Ferro Solutions Inc 215 1st St, Cambridge 2142 | (617) 225-7878 |
| Millennium Pharmaceuticals Inc 215 1st St # 215, Cambridge 2142 | (617) 551-3600 |
| Millennium Pharmaceuticals Inc 270 Albany St, Cambridge 2139 | (617) 551-7900 |
| Millennium Pharmaceuticals Inc 40 Landsdowne St, Cambridge 2139 | (617) 679-7000 |
| Mitokor 1 Broadway # 600, Cambridge 2142 | (617) 621-7154 |
| Broadcast Signal Lab Llp Cambridge 2140 | (617) 864-4298 |
| Gwathmey Inc 763 Concord Ave, Cambridge 2138 | (617) 491-0022 |
| Center For Space Research 77 Massachusetts Ave # 37241, Cambridge 2139 | (617) 253-7501 |
| Charles Stark Draper Lab Inc 555 Technology Sq, Cambridge 2139 | (617) 258-1000 |
| Clinical Research Ctr 77 Massachusetts Ave # 445, Cambridge 2139 | (617) 253-3091 |
| Psc Labs 400 Technology Sq, Cambridge 2139 | (617) 551-6600 |
| Curis Inc 61 Moulton St, Cambridge 2138 | (617) 503-6500 |
| Pfizer Research Technology Ctr 620 Memorial Dr, Cambridge 2139 | (617) 551-3000 |
| Pharm Mar 320 Putnam Ave, Cambridge 2139 | (617) 868-3797 |
| Plex Llc 280 Albany St, Cambridge 2139 | (617) 621-6300 |
| Orange Uk 179 2nd St, Cambridge 2142 | (617) 995-8000 |
| Parallel Solutions Inc 763 Concord Ave, Cambridge 2138 | (617) 876-2178 |
| Delta Search Labs Inc 400 Technology Sq, Cambridge 2139 | (617) 551-4609 |
| Nomadics Inc 215 1st St # 104, Cambridge 2142 | (617) 441-8871 |
| Elixir Pharmaceuticals Inc 1 Kendall Sq # 5, Cambridge 2139 | (617) 225-2686 |
| Harvard Research Corp 124 Mount Auburn St, Cambridge 2138 | (617) 576-5833 |