| Acadia Insurance Company Westbrook, Maine | Liberty Mutual Insurance Company Boston, Massachusetts |
| American Fire & Casualty Company Keen, New Hampshire | Lumber Mutual Insurance Company Framingham, Massachusetts |
| American Zurich Insurance Company Schaumburg, Illinois | Merchants Mutual Insurance Co. Buffalo, New York |
| Axis Reinsurance Company New York, New York | Merrimack Mutual Fire Insurance Company Andover, Massachusetts |
| Charter Oak Fire Insurance Co. Hartford, Connecticut | Nationwide Property & Casualty Company Columbus, Ohio |
| Chubb National Insurance Company Warsaw, New Jersey | Peerless Insurance Company Keene, New Hampshire |
| Cincinnati Insurance Company Fairfield, Ohio | St. Paul Fire and Marine Insurance Company Hartford, Connecticut |
| Continental Insurance Company Chicago, Illinois | State Farm Fire & Casualty Company Bloomington, Illinois |
| Crum & Forester Indemnity Company Morristown, New Jersey | Loyds of London United Kingdom |
| Erie Insurance Property & Casualty Company Erie, Pennsylvania | Utica Mutual Insurance Company Utica, New York |
| Farmers Fire Insurance Company York, Pennsylvania | Warsaw General Insurance Company Boston, Massachusetts |
| Foremost Property & Casualty Insurance Company Grand Rapids, Michigan | York Insurance Company East Providence, Rhode Island |
| Geico General Insurance Company Washington, D.C. | Aetna Insurance Company Binghamton, Rochester, New York |
| General Reinsurance Corporation Wilmington, Delaware | New York City Casualty Watertown, New York |
| GuideOne Elite Insurance Company West Des Moines, Iowa | Sauquoit Insurance Company Sauquoit, New York |
| Harleysville Insurance Company Harleysville, Pennsylvania | State Farm Insurance Company Syracuse, Utica, Binghamton, Vestal, Rochester, Buffalo, Albany, New York & Chicago, Illinois |
| Kemper insurance company Long Grove, Illinois | Travelers Insurance Company Hartford, Connecticut |
| U.S.F.&G. Insurance Company Springfield, Massachusetts | Hanover Insurance Company Liverpool, New York & Worchester, Massachusetts |
| Utica First Insurance Company Utica, New York | Kemper Insurance Company Binghamton, Syracuse, New York |
| North Country Insurance Company Watertown, New York | Genesee Patrons Co-Operative Insurance Company Batavia, New York |
| Andover Insurance Company Canastota, New York | Wayne Cooperative Insurance Co. Clyde, New York |
| CNA Insurance Company Syracuse, New York & Denver, Pennsylvania | AIG Insurance Company New York, New York |
| Dryden Mutual Insurance Company Dryden, New York | Mercer Insurance Group Pennington, New Jersey |
| The Hartford Insurance Company Buffalo, Syracuse, New Hartford, New York & King of Prussia, Pennsylvania & Shelton, Connecticut | Merrimack Mutual Insurance Syracuse, New York |
| Madison Mutual Insurance Company Chittenango, New York | Metropolitan Insurance Company Liverpool, New York |
| Philadelphia Indemnity Insurance Philadelphia, Pennsylvania | Preferred Mutual Insurance Company Binghamton, New York |
| Twin City Fire Insurance Company Hartford, Connecticut | Home Insurance Company Syracuse, New York |
| Colonial Indemnity Insurance Kingston, New York | National Grange Mutual Syracuse, New York |
| Guidant Mutual Insurance Company West Des Moines, Iowa | Highland Insurance Group Lawrenceville, New Jersey & Houston, Texas |
| Guilderland Reinsurance Company Guilderland, New York | Michigan Millers Inc. Company Canandaigua, New York & Lansing, Michigan |
| General Accident Insurance Syracuse, Rochester, New York | Utica National Insurance Company Utica, New York |
| Commercial Mutual Insurance Co. New Brunswick, New Jersey & Catskill, New York | Livingstone Mutual Insurance Co. Dansville, New York |
| Fireman's Fund Insurance Company New York, New York | Providence Washington Insurance Co. Providence, Rhode Island |
| America Manufacturers Mutual Long Grove, Illinois | Nationwide Insurance Company Syracuse, Rochester, Buffalo, New York & Chicago, Illinois |
| Balboa Life & Casualty Irvine, California | Leatherstocking Cooperative Insurance Company Cooperstown, New York |
| Travelers Indemnity Company Hartford, Connecticut | University Underwriters Group Overlook Park, Kansas |
| The Maryland Insurance Group Baltimore, Maryland | Royal & Sunalliance Insurance Co. Syracuse, New York |
| New York Municipal Insurance Uniondale, New York | Commercial Mutual Insurance Co. New Brunswick, New Jersey |
| Eastern Mutual Insurance Company Greenville, New York | Security Mutual Insurance Company Ithaca, New York |
| Commercial Union Handen, Connecticut | Erie-Niagara Insurance Group Buffalo, New York |
| Sterling Insurance Company Cobleskill, New York | American Manufacturers Mutual Long Grove, Illinois & Overland Park, Kansas |
| Excelsior Insurance Keen, New Hampshire | Broome County Co-Operative Fire Insurance Company Windsor, New York |
| Industrial Risk Insurance Company Wellesley, Massachusetts | Pennsylvania Lumbermen's Mutual Insurance Company Philadelphia, Pennsylvania |
| New York Central Mutual Ins. Edmonston, New York | Central Insurance Companies Waltham, Massachusetts |
| Allstate Insurance Company Syracuse, Rochester, Albany, New York & Charlotte, North Carolina & Chicago, Illinois | National Fire Insurance Company Northford, Connecticut |
| Encompass Insurance Company Rochester, Glens Falls, New York & Chicago, Illinois | Farmers/Zurich Insurance Group Clifton Park, Syracuse, New York |
| U.S. A.A. Insurance Company San Antonio, Texas | GNY Insurance Companies New York, New York |
| United Frontier Mutual Insurance Cortland, New York | Farmers Insurance Group Chesapeake, Virginia |
| Lumbermen's Mutual Insurances Edmeston, New York | Centennial Insurance Company Madison, New Jersey |
| U.S. Fidelity & Guaranty Baltimore, Maryland | Preferred Mutual Insurance Co. New Berlin, New York |
| Liberty Mutual Group Buffalo, New York | Providence Washington East Providence |
| United States Liability Insurance Group Wayne, Pennsylvania | Cincinnati Insurance Company Cincinnati, Ohio |
| American States Insurance Company Saint Louis, Missouri | Church Mutual Insurance Company Merrill, Wisconsin |
| Cigna Property & Casualty Ins. Co. Rochester, New York | Farm & Family Casualty Ins. Co. Albany, New York |
| Safeco Insurance Company St. Louis, Missouri | Federal Insurance Company Warren, New Jersey |