Collinsworth, Alter, Lambert
- American Platinum
- Amerisure
- Auto-Owners
- Berkley Surety
- Builders Insurance
- CNA Surety
- FCCI
- Federated Natl.
- Foremost
- Great American
- Guarantee
- Hagerty
- Hartford
- Homeowners Choice
- INSCO/DICO
- Liberty Mutual
- Markel
- Old Republic
- Philadelphia
- Progressive
- RLI Corp. Surety Bonds
- Safeco
- Summit
- Travelers
- Universal P&C
- Weston
- Wright Flood
- Zurich
- Don A. Lambert, Jr., Pres.