| Insurance Company | NAIC Identification Number | Principal Address | List of Jurisdictions Where Insurance Company May Issue Policies | State of Domicile |
| American Alternative Insurance Corporation | 19720 | 555 College Road East, Princeton, NJ, 08543-5241 | All US States | Delaware |
| American Commerce Insurance Company | 19941 | 211 Main Street, Webster, MA 01570 | All US States, except California and Connecticut | Ohio |
| Markel Insurance Company | 38970
| 10275 West Higgins Road, Suite 750, Rosemont, IL, 60018
| All US States | Illinois |
| Mitsui Sumitomo Insurance Company of America | 20362 | 15 Independence Blvd, Warren, NJ 07059 | All US States | New York |
| National Indemnity Company | 20087 | 1314 Douglas Street, Suite 1400, Omaha, NE, 68102
| All US States, except Florida, Hawaii, Louisiana, Massachusetts, New Jersey, New York and Oregon | Nebraska |
| Tokio Marine America Insurance Company | 10945 | 1221 Avenue of the Americas, New York, NY, 10020 | All US States | New York |
| Central States Indemnity Company of Omaha | 34274 | 1212 North 96th Street, Omaha, NE, 68114 | Hawaii, Louisiana, Massachusetts, New York and Oregon | Nebraska |
| National Indemnity Company of the South | 42137 | 1314 Douglas Street, Suite 1400, Omaha, NE, 68102 | Florida and New Jersey | Florida |
| State National Insurance Company | 12831 | 1900 Don Dodson Drive, Bedford, TX 76021 | All US States | Texas |
| National Specialty Insurance Company | 22608 | 1900 Don Dodson Drive, Bedford, TX 76021
| All US States
| Texas
|
