 
A.M. Best: The Insurance Information Source
State of Connecticut Department of Insurance
| American Cooperative 
      Council on Compensation Technology | |
|  | Insurance Data Management Association | 
| Insurance Services Office, Inc. | |
| National Council on Compensation Insurance, Inc. | |
| State of Wisconsin, Department of 
      Workforce Development Worker's Compensation Division | |
| State of Wisconsin Office of the Commissioner of Insurance | |
| Workers Compensation 
      Insurance Organizations The WCIO (Workers Compensation Insurance Organizations) is a voluntary association of statutorily authorized or licensed rating, advisory, or data service organizations that collect workers compensation insurance information in one or more states. | 
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| California | Workers Compensation Insurance Rating Bureau 
      of California www.wcirbonline.org | 415-778-7000 | ||
| Delaware | Delaware Compensation Rating Bureau, Inc. www.dcrb.com | 302-654-1435 | ||
| Indiana | Indiana Compensation Rating Bureau www.icrb.net | 317-842-2800 | ||
| Massachusetts | Workers Compensation Rating 
      and Inspection Bureau of Massachusetts | 617-439-9030 | ||
| Michigan | Compensation Advisory 
      Organization of Michigan | 734-462-9600 | ||
| Minnesota | Minnesota Workers' 
      Compensation Insurers Association, Inc. | 952-897-1737 | ||
| New York | New York Compensation 
      Insurance Rating Board | 212-697-3535 | ||
| New Jersey | New Jersey Compensation 
      Rating & Inspection Bureau | 973-622-6014 | ||
| North Carolina | North Carolina Rate Bureau | 919-783-9790 | ||
| Pennsylvania | Pennsylvania Compensation 
      Rating Bureau | 215-568-2371 | ||
| Wisconsin | Wisconsin Compensation 
      Rating Bureau | 262-796-4540 | ||