| Business | Phone |
| Visitors Guide Publishing Co 374 Congress St # 305, Boston 2210 | (617) 542-5283 |
| Ultra Guide Inc 1 S Market St # 8, Boston 2109 | (617) 973-5025 |
| Porter Sargent Publishers Inc 11 Beacon St # 1400, Boston 2108 | (617) 523-1670 |
| Museums Boston 268 Newbury St, Boston 2116 | (617) 867-0666 |
| Guest Informant 20 Park Plz, Boston 2116 | (617) 422-0616 |