The Hartford Steam Boiler Inspection and Insurance Company (HSB) is one of the world's leading equipment breakdown insurers. We provide equipment breakdown products to almost five million businesses, industries and institutions in the U.S., including many FORTUNE 500 companies. Hartford Steam Boiler helps clients manage risk through superior coverage design, engineering-based risk management strategies and best in class claims and inspection services.

Hartford Steam Boiler offers $100 million of equipment breakdown underwriting capacity with additional capacity available on a per risk basis. We underwrite virtually any class of business. Our equipment breakdown coverage programs can be written as monoline policies via your broker or provided as part of your property coverages through partnerships we have with many property casualty insurers.

Hartford Steam Boiler is rated A++ (Superior) by A.M. Best Company. HSB is a proud part of Munich Re, one of the world's leading reinsurers.