| Business | Phone |
| Nikopoulos Insurance 206 Ayer Rd, Harvard 1451 | (978) 456-9700 |
| Murphy Insurance Inc 276 Ayer Rd, Harvard 1451 | (978) 772-0070 |
| Primerica Financial Svc 285 Ayer Rd, Harvard 1451 | (978) 772-3232 |
| Eastern Special Risk Insurance 68 Brown Rd, Harvard 1451 | (978) 456-8200 |
| Harvard Marketing Group Poor Farm Rd, Harvard 1451 | (978) 456-8300 |
| Higgins Insurance Route 110, Harvard 1451 | (978) 772-0077 |