Porter-Brandenburg Agency, Inc.
- Arrowhead General Agency
- CNA Surety
- Employers Ins.
- Foremost
- Hartford
- HCC Spec.
- Liberty Mutual
- Mercury
- National General
- National Lloyds
- Philadelphia
- Progressive
- Safeco
- Service Lloyds
- SureTec
- Texas Mut.
- Travelers
- Union Standard
- James H. Porter, Principal