The Guide One Insurance Group

Illinois State Medical Insurance Services

Western Heritage Insurance Company

CIGNA 

NCMIC Insurance Company 

Scottsdale Insurance Company 

Rush-Presbyterian-St. Luke's Medical Center 

Brotherhood Mutual Insurance Co.

Amica Mutual Insurance Company

Chesterfield Services, Inc. 

Rockford Mutual 

RLI/Mt. Hawley Insurance 

Associated Insurance Company 

Blue Cross/Blue Shield of Indiana 

Westfield Insurance Companies 

Addison Insurance Company 

Zurich American Insurance Group 

AAO Services, Inc. 

Berkley Risk Administrators Company

Countrywide Services Corporation 

Risk Enterprise Management 

Frontier Insurance 

Nationwide Insurance 

North Pointe Insurance Co. of Illinois 

Indiana Insurance Company 

St. Paul Travelers

Ophthalmic Mutual Insurance Company

Contractors Bonding & Insurance Co. 

Preferred Physicians Medical Risk Retention Group, Inc. 

First Mercury Insurance 

AXA Assurances

United Fire & Casualty Company