| Accident Fund Insurance Company of America | 866-206-5851 | |
| Advantage Workers Compensation Insurance Company | 888-595-8750 801-288-8750 | PO Box 571918 Salt Lake City, UT 84157 |
| Accident Insurance CO. Workers Comp | 800-896-6884 (Customer Service) 866-984-3316 (Claims) 866-984-3318 (First reporting) | PO Box 2005 Oak Ridge, TN 37831 |
| American International Group (AIG) | 877-802-5246 877-399-6442 (Report an Injury) 800-910-2667 (Report an Injury-Construction) | Eastern Zone States(AL, CT, DE, DC, FL, GA, IN, KY, ME, MD, MA, MI, MN, MS, NH, NJ, NY, NC, OH, PA, RI, SC, SD, TN, VT, VA, WV, WI): Medical Bills and Claim documents: PO Box 25908 Shawnee Mission, KS 66225 Western Zone States (AK, AZ, AR, CO, HI, ID, IL, IA, KS, LA, MO, MT, NE, NV, NM, ND, OR, UT, WA, WY): Claim documents: PO Box 25971 Shawnee Mission, KS 66225 Medical Bills: PO Box 25972 Shawnee Mission, KS 66225 CA State: Claim documents: PO Box 25977 Shawnee Mission, KS 66225 Medical Bills: PO Box 25978 Shawnee Mission, KS 66225 OK and TX States: Claim Documents: PO Box 25974 Shawnee Mission, KS 66225 Medical bills: PO Box 25975 Shawnee Mission, KS 66225 |
| Amerisafe | 800-699-6240 (Claims Reporting) 337-463-9052 | |
| Amerisure | Claims reporting: Arizona & Utah: 888-624-4477 Florida: 800-282-2743 Georgia and Alabama: 800-230-9338 Illinois: 800-554-2607 Indiana and Kentucky: 800-752-8602 Minnesota, South Dakota & Wisconsin: 952-852-0440 Iowa, Kansas, Missouri, Nebraska and Oklahoma: 800-325-1721 North Carolina and South Carolina: 800-532-6230 Tennessee, Arkansas and Mississippi: 800-678-2637 Texas & Lousiana: 800-441-0293 District of Columbia, Maryland & Virginia: 804-594-7066 | |
| AmTrust Financial Services | 866-272-9267 | |
| Berkshire Hathaway Homestate Companies | 888-495-8949 800-661-6029 (Claims) | |
| Chubb | 800-699-9916 | |
| Cincinnati Financial Corporation | 877-242-2544 | PO Box 145496 Cincinnati, OH 45250-5496 |
| Employers Insurance | 888-682-6671 | |
| Erie Insurance Group | 800-367-3743 (Injury reporting) | |
| ESIS Insurance | 866-789-3747 (New Claim) 800-233-8931 (Existing claim) | |
| Berkshire Hathaway GUARD Insurance Companies | 888-639-2567 800-673-2465 | PO Box 1368 Wikes-Barre, PA18703 |
| Hanover Insurance | 800-628-0250 | |
| Hartford | 800-327-3636 (Reporting number) 800-662-5814 (Customer Service) | California, Florida, New Jersey and Texas: PO Box 14187 Lexington, KY 40512 All other States: PO Box 14170 Lexington, KY 40512 |
| ICW Group | 800-877-1111 | |
| Liberty Mutual Group | 833-218-0213 (Claims) 800-290-7933 (Customer Service) 800-500-7044 (Provider Support Center) | |
| Nationwide Mutual Insurance company | 800-421-3535 | |
| Pie Insurance | 844-581-0828 (Reporting number) | |
| Pinnacol Assurance | 303-361-4000 800-873-7242 | |
| Travelers | 800-238-6225 800-832-7839 (National Accounts) | AK, AZ, AR, CO, ID, IL, IN, IA, KS, KY, LA, MI, MN, MS, MO, MT, ME, NM, ND, OH, OK, OR, SD, TN, TX, UT, WA, WI and WY: PO Box 660456 Dallas, TX 75266-0456 AL, CT, DE, DC, FL, GA, ME, MD, MA, NH, NJ, NY, NC, PA, RI, SC, VT, VA and WV: PO Box 4614 Buffalo, NY 14240-4614 CA: PO Box 660455 Dallas, TX 75266-0055 HI: PO Box 1059 Honolulu, HI 96808 NV: PO Box 71000 Las Vegas, NV 89170-1000 PR and VI: PO Box 3570 Brandon, FL 33509-3570 |
| Penn National Insurance | 800-374-4990 (Reporting a claim) 800-766-2245 (Billing Inquiry) | |
| Progressive | 888-806-9598 | |
| Sentry Insurance | 800-473-6879 (To file a claim) | |
| State Farm Insurance | 855-223-2280 (To report a claim) | PO Box 14015 Lexington, KY 40512 |
| State Compensation Insurance Fund | 888-782-8338 | |
| United Heartland | 888-709-3651 (Reporting a claim) | |
| Zenith Insurance Group | 800-440-5020 | CA State: PO Box 9055 Van Nuys, CA 91409-9055 All other States: PO Box 1558 Sarasota, FL 34230-1558 |
| Zurich | 800-987-3373 (Reporting a claim) Claim related questions: 866-280-4394 719-590-8719 |