Naics code Naics crossreference
523999 Providing trust, fiduciary, and custody services to others--are classified in U.S. Industry 523991, Trust, Fiduciary, and Custody Activities
523999 Financial transactions processing, reserve, and clearinghouse activities (except commodity or securities exchange services)--are classified in Industry 522320, Financial Transactions Processing, Reserve, and Clearinghouse Activities.
52411 Establishments primarily engaged in reinsuring insurance policies are classified in Industry 52413, Reinsurance Carriers
52411 Legal entities (i.e., funds, plans, and/or programs) organized to provide insurance and employee benefits exclusively for the sponsor, firm, or its employees or members are classified in Industry Group 5251, Insurance and Employee Benefit Funds
52411 HMO establishments providing health care services are classified in Industry 62149, Other Outpatient Care Centers.
524113 Establishments primarily engaged in reinsuring life insurance policies, disability income insurance policies, and accidental death and dismemberment insurance policies are classified in Industry 524130, Reinsurance Carriers
524113 Legal entities (i.e., funds, plans, and/or programs) organized to provide insurance and employee benefits exclusively for the sponsor, firm, or its employees or members are classified in Industry Group 5251, Insurance and Employee Benefit Funds.
524114 HMO establishments that provide both health care services and underwrite health and medical insurance are classified in U.S. Industry 621491, HMO Medical Centers
524114 Establishments primarily engaged in reinsuring health insurance policies are classified in Industry 524130, Reinsurance Carriers
524114 Legal entities (i.e., funds, plans, and/or programs) organized to provide health- and welfare-related employee benefits exclusively for the sponsor's employees or members are classified in Industry 525120, Health and Welfare Funds.