- AIG
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- Main Street America
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- Pure
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- Travelers
- Vermont Mutual Insurance Group
- Acadia
- AIG
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- American Bankers
- American Modern Insurance Group
- Andover Companies
- Arbella Insurance Group
- Assurant
- Atlantic Charter
- Barnstable County Mutual Insurance Company
- Boston Insurance Specialists
- Breed's Hill
- Bunker Hill Insurance
- Chubb
- Chubb
- Commerce
- Concord Group Insurance
- Crum & Forster
- Fidelity
- Fireman's Fund
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- Greater NY
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- Hagerty
- Hanover
- Hartford
- Hingham Mut.
- Holyoke Mut./MiddleOak
- Insurance Center
- Insurance Innovators
- Lexington
- Liberty Mutual
- Marine MGA
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- OneBeacon
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- ProMutual
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- PURE
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- Safety Ins.
- Selective
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- Utica National Insurance Group
- Vermont Mutual Insurance Group
- Zurich