Arch Insurance Group provides a range of property, casualty and specialty insurance products and services. It is a part of Arch Capital Group, which is a Bermuda-based company that provides insurance and reinsurance on a worldwide basis through its wholly owned subsidiaries. Arch Insurance Group offers onshore and offshore energy, construction, erection and energy casualty coverage to the oil, gas, petrochemical, chemical, power generation, pulp and paper, mining and steel industries in the United States, Canada and London. Additionally, it provides professional liability, personal property, marine and aviation, executive assurance and health insurance. It owns and operates Arch Insurance Company, Arch Specialty Insurance Company and Arch Excess & Surplus Insurance Company. Headquartered in New York City, Arch Insurance Group maintains a location in Chicago.