McMillan Insurance Services
- AAA
- Auto-Owners
- BCBS of IL
- Belle Prairie Mutual
- Berkshire Hathaway Homestate
- Farmers Pioneer Mutual Insurance Company
- Foremost
- Forreston Mut.
- Frontier/Mt. Carroll
- Goodville Mut.
- Great American
- Grinnell Mutual
- Hagerty
- Hartford
- Hastings Mut.
- Health Alliance
- IMT Insurance
- Indiana Farmers Insurance
- Liberty Mutual
- Main St. America
- Markel
- Mercury
- MetLife
- Mutual of Omaha
- National General
- Nationwide
- NAU Country
- Openly
- Pekin
- Progressive
- Rain & Hail
- RCIS
- Rockford Mutual
- Safeco
- State Auto
- Travelers
- West Bend