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North American Industry Classification System (NAICS)
Health Care and Social Assistance

The NAICS has replaced the U.S. Standard Industrial Classification (SIC) system. NAICS was developed jointly by the U.S., Canada, and Mexico to provide new comparability in statistics about business activity across North America. For the first time, government and business analysts will be able to compare directly industrial production statistics collected and published in the three North American Free Trade Agreement countries.
NAICS uses a six digit hierarchical coding system to classify all economic activity into twenty industry sectors. Five sectors are mainly goods-producing sectors and fifteen are entirely services-producing sectors. This six digit hierarchical structure allows greater coding flexibility than the four digit structure of the Standard Industrial Classification (SIC) system. NAICS allows for the identification of 1,170 industries compared to the 1,004 found in the SIC. For more information please see

611110        Elementary and Secondary Schools
        611210        Junior Colleges
        611310        Colleges, Universities, and Professional Schools
        611410        Business and Secretarial Schools
        611420        Computer Training
        611430        Professional and Management Development Training
        611511        Cosmetology and Barber Schools
        611512        Flight Training
        611513        Apprenticeship Training
        611519        Other Technical and Trade Schools
        611610        Fine Arts Schools
        611620        Sports and Recreation Instruction
        611630        Language Schools
        611691        Exam Preparation and Tutoring
        611692        Automobile Driving Schools
        611699        All Other Miscellaneous Schools and Instruction
        611710        Educational Support Services
        621111        Offices of Physicians (except Mental Health Specialists)
        621112        Offices of Physicians, Mental Health Specialists
        621210        Offices of Dentists
        621310        Offices of Chiropractors
        621320        Offices of Optometrists
        621330        Offices of Mental Health Practitioners (except Physicians)
        621340        Offices of Physical, Occupational and Speech Therapists, and Audiologists
        621391        Offices of Podiatrists
        621399        Offices of All Other Miscellaneous Health Practitioners
        621410        Family Planning Centers
        621420        Outpatient Mental Health and Substance Abuse Centers
        621491        HMO Medical Centers
        621492        Kidney Dialysis Centers
        621493        Freestanding Ambulatory Surgical and Emergency Centers
        621498        All Other Outpatient Care Centers
        621511        Medical Laboratories
        621512        Diagnostic Imaging Centers
        621610        Home Health Care Services
        621910        Ambulance Services
        621991        Blood and Organ Banks
        621999        All Other Miscellaneous Ambulatory Health Care Services
        622110        General Medical and Surgical Hospitals
        622210        Psychiatric and Substance Abuse Hospitals
        622310        Specialty (except Psychiatric and Substance Abuse) Hospitals
        623110        Nursing Care Facilities
        623210        Residential Mental Retardation Facilities
        623220        Residential Mental Health and Substance Abuse Facilities
        623311        Continuing Care Retirement Communities
        623312        Homes for the Elderly
        623990        Other Residential Care Facilities
        624110        Child and Youth Services
        624120        Services for the Elderly and Persons with Disabilities
        624190        Other Individual and Family Services
        624210        Community Food Services
        624221        Temporary Shelters
        624229        Other Community Housing Services
        624230        Emergency and Other Relief Services
        624310        Vocational Rehabilitation Services
        624410        Child Day Care Services

Links To All NAICS Pages

Agriculture, Forestry, Fishing and Hunting

Mining, Quarrying, Oil & Gas Extraction - Utilities - Construction


Wholesale Trade - Retail Trade - Transportation and Warehousing

Information - Finance and Insurance - Real Estate and Rental and Leasing - Professional, Scientific, and Technical Services - Management of Companies and Enterprises - Administrative and Support and Waste Management and Remediation Services

Health Care and Social Assistance

Arts, Entertainment, and Recreation - Accommodation and Food Services - Other Services - Public Administration

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