Hamilton Insurance Group, Inc.
- American Modern Insurance Group
- American Strategic Insurance
- Anthem Blue Cross Blue Shield
- Attune
- Auto-Owners
- Berkshire Hathaway Homestate
- Celina Insurance Group
- Cincinnati Insurance Companies
- CNA
- Dairyland
- Encompass
- Foremost
- Grange
- Grinnell Mutual
- Guard
- Hagerty
- Hanover
- Hartford
- HCC
- Illinois Cas.
- Liberty Mutual
- Lincoln Financial Group
- Markel
- Medical Mutual of Ohio
- Medical Protective
- Merchants Insurance Group
- MetLife
- Millers Mutual
- Mutual of Omaha
- NatGen Premier
- Nationwide
- Ohio Mutual
- Pekin
- Philadelphia
- Progressive
- Safeco
- State Auto
- Stillwater
- Travelers
- Utica National Insurance Group
- VSP
- West Bend
- Wright Specialty
- Wyandot Mut
- Neil Hamilton, Pres.
- Brian Hamilton, V.P.
- Christine Myers, CFO