- 21st Century
- Aflac
- AIC
- AIG
- Allianz Life
- Allied
- American Collectors Insurance
- Assurant Health
- Blue Cross Blue Shield
- Bristol West
- Burns & Wilcox
- Chubb
- CNA Surety
- Dairyland
- Dairyland
- Encompass
- Farmers Fire Insurance Company
- Farmers Insurance
- Fireman's Fund
- First Nonprofit
- Foremost
- Friends Cove Mut.
- Hagerty
- Hanover Fire & Casualty
- Hartford
- Hiscox
- Hull & Company
- Infinity
- Lloyd's
- Main Street America
- Markel
- Mercury
- MetLife
- Mutual of Omaha
- National Flood Services
- National General
- Nationwide
- Omni
- Philadelphia
- Progressive
- RLI Corp.
- Rockingham
- Safeco
- Titan
- Travelers
- United States Liability
- Victoria
- Viking
- Robert L. Walter, Owner
- Carol A. Walter
- Andrew L. Walter