Municipal Members
| Allegany County |
| Broome County |
| Chautauqua County |
| Chemung County |
| City of Glens Falls |
| City of Watertown |
| Franklin County |
| Fulton County |
| Genesee County |
| Hamilton County |
| Lewis County |
| Montgomery County |
| Onondaga County |
| Ontario County |
| Orleans County |
| Oswego County |
| Rockland County |
| Saratoga County |
| St Lawrence County |
| Sullivan County |
| Tioga County |
| Tompkins County |
| Ulster County |
| Upstate NY Municipal Workers' Compensation Program |
| Warren County |
| Wayne County |
| Wyoming County |
| Yates County |
Non-Municipal Members
| AmWINS |
| Anchor Group |
| Bay Oaks Group, Inc |
| Brookside Consultants |
| By the Numbers Actuarial |
| Corporate Care Management |
| Coughlin & Gerhart, LLP |
| Fire Districts of NY Mutual Insurance Co |
| First Choice Evaluations |
| Future Comp (USI/Omni) |
| Genex Services/Enlyte |
| Gitto & Niefer, LLP |
| Habberfield Kaszycki LLP |
| Hamberger & Weiss |
| Independent Medical Evaluation Co. |
| Integral Consulting |
| KBM Management |
| Marker 28 |
| MES Solutions |
| Midwest Employers Casualty |
| NCAComp, Inc |
| One Call |
| OneGroup |
| Optum |
| PMA Companies |
| Premier Consulting Associates/AP Benefit Advisors |
| SAFE LLC |
| Safety National |
| Sound Actuarial Consulting |
| Strategic Claims Solutions Inc |
| Superior Medical Consultants |
| The Law Offices of Melissa A Day PLLC |
| UMC |
| Viscardi Resources |
| Walsh & Hacker |
| Williams & Williams |
| Wolff, Goodrich & Goldman |