Through subsidiaries that include Aspen Re, Aspen Bermuda, Aspen UK, and Aspen Specialty, Aspen Insurance Holdings Limited provides property/casualty insurance, specialty insurance, and reinsurance to customers around the world. Its property/casualty reinsurance lines are offered in global markets, as are its specialty insurance products, which include marine, energy and liability, aviation, and specialty reinsurance. Aspen offers commercial property/casualty insurance primarily in the US and UK domestic markets.