This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in initially underwriting (i.e., assuming the risk and assigning premiums) fire, marine, and casualty insurance policies.

Cross-References. Establishments primarily engaged in--

• Engaged in assuming all or part of the risk associated with existing fire, marine, or casualty insurance policies originally underwritten by other insurance carriers--are classified in U.S. Industry 524130, Reinsurance Carriers; and
• Independently contracted agents (brokers) selling insurance policies and annuities; these establishments of agents or brokers either represent one or more insurance carriers, or none at all; these agents or brokers are NOT employees of the insurance carriers they represent--are classified in Industry 524210, Insurance Agencies and Brokerages.