MIDDLESEX Insurance Company
| NAIC company code | 23434 |
| State of domicile | WI |
| Lines written | Property & Casualty |
| Group | SENTRY INS Group |
| Address | 1800 NORTH POINT DRIVE, STEVENS POINT WI 54481 |
| Phone | 715-346-6000 |
Connecticut complaints, 2023–2025
3 complaints filed with the Connecticut Insurance Department.
| Underwriting | 1 |
| Claim Handling | 1 |
Texas agency network
43 licensed Texas agencies are appointed to sell this company's products. An appointment is a formal authorisation filed with the state regulator.
Cities with the most appointed agencies:
| Dallas | 4 |
| San Diego | 3 |
| Mesa | 2 |
| Wichita | 2 |
| Irvine | 2 |
| Sacramento | 1 |
| Montgomery | 1 |
| Raleigh | 1 |
| San Antonio | 1 |
| Ft Worth | 1 |
Source: Texas Department of Insurance active appointments. Texas only — this company may be appointed with many more agencies in other states.
Company data from the NAIC Detailed Listing of Companies, June 2026. Complaint data from state insurance regulators. Each state measures complaints differently, so figures are not comparable between states. This is not a rating or a recommendation.