- Aetna
- AIG
- Allianz
- American General
- Banner Life
- Cigna
- CNA Surety
- Delta Dental
- Fidelity & Guarantee Life
- Foremost
- Genworth Financial
- Grange
- Great American
- Hartford
- Humana
- Integrity
- John Hancock
- Kemper
- Lincoln Financial Group
- MassMut
- MetLife
- Midland National Life
- Mutual of Omaha
- Nationwide
- NCCI Holdings
- North American Company
- Pacific Life
- Penn Mut.
- Principal Financial Group
- Progressive
- Protective
- Prudential Financial
- Safeco
- Stillwater Ins. Group
- The Standard
- Transamerica
- Travelers
- United Healthcare
- Voya
- VSP
- Zurich