ProAssurance Corporation is a holding company for property and casualty insurance companies focused on professional liability insurance. The Company sells professional liability insurance primarily to physicians, dentists, other healthcare providers and healthcare facilities, principally in the mid-Atlantic, Midwest and southern United States. ProAssurance Corporation also has a legal professional liability business in the Midwest. The Company maintains 15 local claims and/or underwriting offices to have a local presence in the markets it serves. ProAssurance Corporation's core operating subsidiaries are The Medical Assurance Company, Inc., ProNational Insurance Company, NCRIC Insurance Company, Inc., Physicians Insurance Company of Wisconsin, Inc. (PIC Wisconsin) and Red Mountain Casualty Insurance Company, Inc. The Company also writes a limited amount of medical professional liability insurance through its non-core operating subsidiary, Woodbrook Casualty Insurance, Inc.