Alleghany is a holding company with a focus on property/casualty reinsurance and insurance. Its subsidiaries include Transatlantic Holdings (TransRe), which offers property/casualty reinsurance (risk coverage for insurers) globally through Transatlantic Reinsurance, Fair American, and Trans Re Zurich. It also issues specialty property/casualty insurance policies through RSUI Group and Capitol Transamerica (CATA). Targeting small and midsized US firms, CapSpecialty underwrites specialty lines including commercial property, fidelity, surety, and professional lines, while Pacific Compensation Insurance provides workers' compensation insurance in California. Alleghany's offerings are marketed in the US and abroad.