AAA Michigan

AT & T 

Allstate Insurance Co

American Fellowship Mutual Insurance Co

American States Insurance Co

Buckeye State Mutual Insurance Co

Capitol Indemnity Corporation

Cincinnati Insurance Co

Citizens Insurance Co

Emro Propane Co

Farm Bureau Insurance Companies

Frankenmuth Mutual Insurance Co

Fulcrum Insurance Co

GAB Robins North America, Inc.

Hartford Insurance Group

Hastings Mutual Insurance Co

Lumber Insurance Companies

MIC General Insurance Co

Marathon Oil Co

Michigan Millers Mutual Insurance Co

Progressive Casualty Insurance Co

SAFECO Insurance Co

SECURA Insurance Companies

Sagamore Insurance Co

Southern Michigan Mutual Insurance Co

Speedway Superamerica, LLC

State Farm Mutual Automobile Insurance Co

State Mutual Insurance Co

Stonewall Insurance Co

Underwriters Adjusting Co

Wausau Insurance Companies

Westfield Companies