- Accident Fund Insurance Company
- Aflac
- Allied
- Anthem Blue Cross Blue Shield
- Assurant
- Berkshire Hathaway Homestate
- CNA
- Continental Western Group
- EMC Cos.
- Encompass
- FCCI Ins.
- Guardian
- Hartford
- Liberty Mutual
- Lititz Mutual
- MetLife
- MO Employers Mut.
- Nationwide
- Old Republic Surety
- Penn Millers
- Principal Health
- Progressive
- Safeco
- Selective
- Standard Ins.
- Statewide
- Travelers
- Tri-State
- United Fire Group
- United Healthcare
- Unum
- Louis A. Landwehr, CIC, CRM, Pres.