BancFirst Insurance Services
- Aetna
- AIG
- Assurant
- BCBS of OK
- BITCO Insurance Companies
- Central Insurance Companies
- Chubb
- CNA
- CommunityCare
- Coventry
- Delta Dental
- EMC
- Grain Dealers Mut.
- Guardian
- GuideOne
- Hanover
- Hartford
- Humana
- Liberty Mutual
- Lincoln Financial Group
- MetLife
- Mid-Continent
- Natl. American
- Old Republic Ins.
- PacifiCare
- Progressive
- Republic Grp.
- Safeco
- State Auto
- Sun Life Financial
- Travelers
- United Healthcare
- UNUM
- VSP
- Zurich