524130 Reinsurance Carriers This industry comprises establishments primarily engaged in assuming all or part of the risk associated with existing insurance policies originally underwritten by other insurance carriers. The data published with NAICS code 524130 include these parts of the following SIC industries: 6311 (pt) Offices of life reinsurance carriers 6321 (pt) Offices of accident & health reinsurance carriers 6324 (pt) Offices of hospital & medical service plans (reinsurance) 6331 (pt) Offices of fire, marine, & casualty reinsurance carriers 6351 (pt) Offices of surety reinsurance carriers 6361 (pt) Offices of title reinsurance carriers 6399 (pt) Offices of other reinsurance carriers