Markel Corporation was founded in 1930. The Company is a diverse financial holding company serving in niche markets. It is engaged in marketing and underwriting specialty insurance products. The Company is having five segments and one discontinues segment; the Excess and Surplus Lines, the Specialty Admitted, and the London Insurance Market. The Company's Excess and Surplus Lines segment writes hard-to-place risks outside of the standard market, including catastrophe-exposed property, professional liability, products liability, general liability, commercial umbrella and other coverages tailored for exposures. Its Specialty Admitted segment writes risks that, although and hard-to-place in the standard market must remain with an admitted insurance company for marketing and regulatory reasons. Its London Insurance Market segment writes specialty property, casualty, professional liability, equine, marine, energy and trade credit insurance and reinsurance. Its Alterra segment provides diversified specialty insurance and reinsurance products to corporations, public entities and other property and casualty insurers through offices in the United States, the United Kingdom, Ireland, Switzerland, Bermuda and Latin America. All investing activities related to the Company's insurance operations are included in the Investing segment. The Company competes with numerous domestic and international insurance companies and reinsurers, Lloyd's syndicates, risk retention groups, insurance buying groups, risk securitization programs and alternative self-insurance mechanisms. The Company's insurance subsidiaries are subject to regulation and supervision by the insurance regulatory authorities of the various jurisdictions in which they conduct business.