Martz Insurance Agency, Inc.
- Auto-Owners
- BCBS
- Capitol Indemnity Corporation
- CNA Surety
- Dairyland
- Foremost
- Grinnell Mutual
- Midwest Security
- Partners Mut.
- Progressive
- QBE
- Touch Point Health
- United Healthcare
- United Life
- United of WI
- Universal Surety of America
- Terry L. Martz, President
- Cindy Martz, Secy./Treas./Agent
- Jeff Martz, Agent