| Business | Phone |
| Alternative Insurance Works 36 Hillcrest Park Rd, Old Greenwich 6870 | (203) 637-8003 |
| Aon Risk Svc 1700 E Putnam Ave, Old Greenwich 6870 | (203) 344-3300 |
| Charter Oak Agency 70 Old Kings Hwy, Old Greenwich 6870 | (203) 661-4414 |
| Princor Financial Svc 46 North Ridge Rd, Old Greenwich 6870 | (203) 698-2211 |
| Dfm Insurance 182 Sound Beach Ave, Old Greenwich 6870 | (203) 637-3100 |
| Pettengill Agency 182 Sound Beach Ave, Old Greenwich 6870 | (203) 869-1020 |