Alleghany Corporation provides property and casualty reinsurance and insurance products. The Reinsurance segment offers property reinsurance products, and casualty and other reinsurance products. The Insurance segment underwrites specialty insurance coverages and surety products. The Company also explores for and produces oil and gas, manufactures custom trailers and truck bodies for moving and storage industry and other markets, and provides technical engineering services for pharmaceutical and biotechnology industries, as well as operates a toy and consumer electronics company. In addition, it manufactures and remanufactures precision machine tools, as well as supplies replacement parts, and owns and manages improved and unimproved commercial land, as well as residential lots.