- Andover Companies
- Brownstone
- Chubb
- Cincinnati
- CNA Surety
- Foremost
- Hagerty
- Hartford
- MAPFRE
- Markel
- Mass Property
- Norfolk & Dedham
- Philadelphia
- Plymouth Rock Assurance
- PURE
- Quincy Mutual Group
- Safety Ins.
- Seneca
- Travelers
- Vermont Mutual Insurance Group
- Josiah P. Hatch, CEO
- Nancy Z. Bender, President
- Chase Hatch, Treasurer
- Taylor Hatch
- Josiah D. Hatch