Walker Benefit Solutions, Inc.
- Aetna
- Allstate
- American Fidelity
- American General
- AmeriHealth
- Assurity
- Blue Cross Blue Shield
- Coventry
- Delta Dental
- Fort Dearborn
- Gettysburg Health Administrators
- Horizon Dental
- MetLife
- Midland National Life
- PacifiCare
- Penn Treaty
- United Healthcare
- UNUM
- US Financial