| Business | Phone |
| Sterling Properties 875 Massachusetts Ave # 31, Cambridge 2139 | (617) 868-4100 |
| Michael Simon 700 Massachusetts Ave, Cambridge 2139 | (617) 497-5993 |
| Smith Group 9 Davenport St, Cambridge 2140 | (617) 497-1000 |
| Oriental Connections Llc 274 Broadway, Cambridge 2139 | (617) 868-1221 |