- Aetna/American Continental Insurance Company
- Allied/Nationwide Insurance
- Bankers Fidelity
- Columbus Life Insurance Company
- Farmers Mutual Hail Insurance Company
- Farmers Mutual Insurance Association
- Guide One Insurance
- Humana
- IMT Insurance Company
- Midland National Life Insurance Company
- Mutual of Omaha
- North Star Mutual Insurance Company
- Progressive Insurance
- SilverScript
- WellCare
- Wellmark Blue Cross and Blue Shield
+ Many other specialty companies
