| Business | Phone |
| 3 Wave Optics 8 Saint Marys St, Boston 2215 | (617) 859-7800 |
| Tissue Typing 75 Francis St, Boston 2115 | (617) 738-4650 |
| Cell Essentials Inc 171 Harrison Ave, Boston 2111 | (617) 636-2888 |
| Quest Diagnostics Inc 1 Joslin Pl, Boston 2215 | (617) 232-8824 |
| Quest Diagnostics Inc 319 Longwood Ave # 1, Boston 2115 | (617) 731-2240 |