| Business | Phone |
| Tom Smith Assoc 30 Churchill Ave # 313, Cambridge 2140 | (617) 497-9847 |
| Cambridge Art Assn 25 Lowell St, Cambridge 2138 | (617) 876-0246 |
| Cantata Singers 161 1st St # 203, Cambridge 2142 | (617) 868-5885 |
| Lef Foundation 4 Brattle St # 306, Cambridge 2138 | (617) 492-5333 |