View the website for The Hartford Steam Boiler Inspection & Insurance CompanyThe Hartford Steam Boiler Inspection and Insurance Company is one of the world s leading specialty insurers and reinsurers. We are a global provider of:

  • Equipment breakdown insurance products
  • Other specialty insurance and reinsurance products

Hartford Steam Boiler (HSB) is headquartered in Hartford, Conn. We serve businesses, industries and institutions worldwide. Hartford Steam Boiler is a part of HSB Group, Inc., a wholly owned subsidiary of American International Group, Inc. (NYSE: AIG).