The OWCP is responsible for the authorization of insurance carriers and self-insurance of employers. Over one hundred insurance carriers have been authorized to write Defense Base Act coverage. For a list of the currently authorized insurance carriers, seehttp://www.dol.gov/esa/owcp/dlhwc/lscarrier.htm.
Currently three major insurance carriers provide most of the Defense Base Act insurance coverage. They are ACE USA Companies, American International Group (AIG) Companies, and CNA.