Employers
Insurers
Contributors
Associate Members - State Labor Organization
Associate Members - Rating Organization
Associate Members - Public Sector United States
Associate Members - Public Sector International

Employers 

Aon Risk Services, Inc.

Bunch & Associates
Chevron Corporation

CONCENTRA, Inc.

CorVel Corporation

Costco Wholesale

Coventry Workers' Comp Services
Crawford & Company
CypressCare

Gallagher Bassett Services, Inc.
General Mills, Inc.
GENEX Services, Inc.
George Weston Bakeries
Ingenix, Inc.
Intracorp
Marriott International, Inc.
Marsh, Inc.

MedRisk, Inc.

Nordstrom, Inc.
Palmetto Hospital Trust

Partners Health Care
Sedgwick Claims Management Services, Inc.

Southern California Edison

Stanford University
Towers Perrin Reinsurance
United Parcel Service

Universal SmartComp
The Walt Disney Company
 

Insurers 

Accident Fund Insurance Company of America
ACE-USA
American International Group

Bituminous Casualty Corporation
California State Compensation Insurance Fund (SCIF)
Chubb & Son, a division of Federal Insurance Company
Employers Mutual Casualty Company
The Hartford Insurance Group

Kentucky Employers' Mutual Insurance
Liberty Mutual Group
New Jersey Manufacturers Insurance Company
The PMA Group
Property Casualty Insurers Association of America

QEB General Casualty Companies

Selective Insurance Company of America, Inc.

Swiss Re

Texas Mutual Insurance Company

The Travelers Companies, Inc.
Zenith Insurance Company
Zurich North America

Contributors 

American Insurance Association

Preferred Employers Insurance Company

Safeway, Inc.
Target Corporation
Weyerhaeuser Company

Associate Members – State Labor Organization 

California Correctional Peace Officers Association
The Center to Protect Workers' Rights
National Tertiary Educators Union
New Hampshire AFL-CIO
Tennessee AFL-CIO

Wisconsin State AFL-CIO

Associate Members – Rating Organization 

Compensation Advisory Organization of Michigan
Massachusetts Workers' Compensation Rating & Inspection Bureau
Minnesota Workers' Compensation Insurers Association
New York Compensation Insurance Rating Bureau
North Carolina Rate Bureau
Pennsylvania Compensation Rating Bureau
Wisconsin Compensation Rating Bureau

Associate Members – Public Sector United States 

Arkansas Workers' Compensation Commission

Arizona Industrial Commission
California Commission on Health and Safety and Workers' Compensation
California Division of Workers' Compensation
Colorado Department of Labor and Employment-Workers' Compensation Division
Connecticut Workers' Compensation Commission
District of Columbia Office of Workers' Compensation
Florida Department of Financial Services
Georgia State Board of Workers' Compensation

Idaho Industrial Commission
Illinois Workers' Compensation Commission
Iowa Division of Workers' Compensation
Kansas Department of Human Resources/Division of Workers' Compensation
Kentucky Department of Workers' Claims

Louisiana Office of Risk Management
Louisiana Office of Workers' Compensation Administration
Maine Bureau of Insurance
Maine Workers' Compensation Board

Maryland Workers' Compensation Commission
Massachusetts Department of Industrial Accidents
Massachusetts Division of Health Care Finance & Policy
Massachusetts State Rating Bureau, Division of Insurance
Massachusetts Human Resources Division, Workers' Compensation Section
Michigan Workers' Compensation Agency
Minnesota Department of Labor and Industry

Mississippi Workers' Compensation Commission
Montana Department of Labor & Industry
Nebraska Workers' Compensation Court
New Jersey Compensation Rating & Inspection Bureau
New Mexico Workers' Compensation Administration
New York State Workers' Compensation Board
Oklahoma Workers' Compensation Court
Oregon Department of Consumer & Business Services
Pennsylvania Department of Labor and Industry
Rhode Island Department of Labor and Training

South Carolina Workers' Compensation Commission

Tennessee Department of Labor
Texas State Office of Risk Management
Texas Workers' Compensation Commission
United States Department of Labor
Vermont Department of Labor & Industry
Virginia Workers' Compensation Commission
Washington Board of Industrial Insurance Appeals

West Virginia Insurance Commission
Wisconsin Department of Workforce Development

Associate Members – Public Sector International

British Columbia Workers' Compensation Board (WorkSafe BC)
Manitoba Workers' Compensation Board
New Brunswick Workplace Health, Safety and Compensation Commission
New Zealand Accident Compensation Corporation
Ontario Workplace Safety and Insurance Board
Québec Commission de la Santé et de la Sécurité du Travail 
Victorian WorkCover Authority
WorkCover Authority of New South Wales
WorkCover Corporation (South Australia)
WorkCover Western Australia