Insurance Companies Code Order Insurance Companies Current Listing: Numerical Order or Alphabetical Order Company Company Name Code 481 Horace Mann Insurance Company 483 Houston General Insurance Company 486 Harleysville Preferred Insurance Company 495 Insurance Company of Greater New York 499 Insurance Company of North America 503 Insurance Company of the State of Pennsylvania 504 XL Specialty Insurance Company 509 Sentry Select Insurance Company 510 Liberty Insurance Underwriters, Inc. 512 Liberty Mutual Fire Insurance Company 513 Liberty Insurance Corporation 514 Liberty Mutual Insurance Company 518 LM Insurance Corporation 529 Continental Insurance Company, The 530 Vermont Mutual Insurance Company 531 Vermont Mutual Insurance Company (Pilgrim) 544 Lumbermens Mutual Casualty Company 559 Maryland Casualty Company 561 Markel American Insurance Company 567 Massachusetts Bay Insurance Company 578 Merchants Preferred Insurance Company 581 Liberty Mutual Mid-Atlantic Insurance Company 582 Merchants Mutual Insurance Company 583 WRM America Indemnity Company, Inc. Appendix A-0 A:10http://www.commauto.com/aboutcar/codenumbers.aspx?Sort=CoNo http://www.commauto.com/aboutcar/codenumbers.aspx?Sort=CoName