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North American Industry
Classification System (NAICS) |
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Major Industry Sectors in
the United States Structure |
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Click on Sector name for a brief description |
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For more information on NAICS visit either the NAICS page for the Bureau of Labor
Statistics or the NAICS site
for the U.S. Census Bureau. |
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The Agriculture
industry sector distinguishes two basic activities: agricultural production
and agricultural support activities. The Occupational Employment Statistics
(OES) survey includes only the agricultural support portion of this sector.
Agricultural support includes establishments that perform activities on a
contract or fee basis such as soil preparation, planting, harvesting, and
management. The OES data does not include data from companies in the
agricultural production portion (farm or ranch operation, such as farm
owner-operators, tenant farm operators, and sharecroppers). |
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Excluded also
from the Agriculture sector are establishments primarily engaged in
agricultural research and establishments primarily engaged in administering
programs for regulating and conserving land, mineral, wildlife, and forest use. These establishments are classified in Industry 54,
Research and Development in the Physical, Engineering, and Life Sciences; and
Industry 92, Public Administration of Conservation Programs, respectively. |
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The Mining
sector comprises establishments that extract naturally occurring mineral
solids, such as coal and ores; liquid minerals, such as crude petroleum; and
gases, such as natural gas. The term mining is used in the broad sense to
include quarrying, well operations, beneficiating (e.g., crushing, screening,
washing, and flotation), and other preparation customarily performed at the
mine site, or as a part of mining activity. |
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The Mining
sector distinguishes two basic activities: mine operation and mining support
activities. Mine operation includes establishments operating mines, quarries,
or oil and gas wells on their own account or for others on a contract or fee
basis. Mining support activities include establishments that perform
exploration (except geophysical surveying) and/or other mining services on a
contract or fee basis. |
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A mine that
manufactures a small amount of finished products will be classified in Sector
21, Mining. An establishment that mines whose primary output is a more
finished manufactured product will be classified in Industries 31-33,
Manufacturing. |
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The Utilities
sector comprises establishments engaged in the provision of the following
utility services: electric power, natural gas, steam supply, water supply,
and sewage removal. Within this sector, the specific activities associated
with the utility services provided vary by utility: electric power includes
generation, transmission, and distribution; natural gas includes distribution;
steam supply includes provision and/or distribution; water supply includes
treatment and distribution; and sewage removal includes collection,
treatment, and disposal of waste through sewer systems and sewage treatment
facilities. |
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Excluded from
this sector are establishments primarily engaged in waste management services
classified in Industry 56, Waste Management and Remediation Services. These establishments also collect, treat, and
dispose of waste materials; however, they do not use sewer systems or sewage
treatment facilities. |
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The
construction sector comprises establishments primarily engaged in the
construction of buildings or engineering projects (e.g., highways and utility
systems). This section includes Construction of Buildings, Heavy and Civil
Engineering Construction, and Specialty Trade Contractors. Establishments
primarily engaged in the preparation of sites for new construction and
establishments primarily engaged in subdividing land for sale as building
sites also are included in this sector. |
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The
installation and the ongoing repair and maintenance of telecommunications and
utility networks are excluded from construction when the establishments
performing the work are not independent contractors. Although a growing
proportion of this work is subcontracted to independent contractors in the
Construction Sector, the operating units of telecommunications and utility
companies performing this work are included with the telecommunications or
utility activities. |
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The Manufacturing
sector comprises establishments engaged in the mechanical, physical, or
chemical transformation of materials, substances, or components into new
products. The assembling of component parts of manufactured products is
considered manufacturing. |
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In addition to
traditional factories and plants, the manufacturing sector in some instances
may include establishments engaged in selling to the general public products
that were made on the same premises from which they are sold, such as
bakeries, candy stores, and custom tailors. Manufacturing establishments may
process materials or may contract with other establishments to process their
materials for them. Both types of establishments are included in manufacturing. |
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The following
activities are also considered manufacturing in NAICS: milk bottling and
pasteurizing; grinding of lenses to prescription; water bottling and
processing; fresh fish packaging (oyster shucking, fish filleting);
electroplating, plating, metal heat treating, and polishing for the trade;
apparel jobbing (assigning of materials to other contract operations);
contract factories for fabrication; lapidary work for the trade; fabricating
signs and advertising displays; rebuilding or remanufacturing machinery and
automotive engines; ready-mixed concrete production; machine shops; leather
converting; tire retreading; and printing (though publishing and the combined
activity of publishing and printing are in industry 51). |
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The Wholesale
Trade sector comprises establishments engaged in wholesaling merchandise,
generally without transformation, and rendering services incidental to the
sale of merchandise. Such merchandise includes the outputs of agriculture,
mining, manufacturing, and certain information industries, such as
publishing. |
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This sector
comprises two main types of wholesalers: (a) merchant wholesalers that sell
goods on their own account and (b) business to business electronic markets,
agents, and brokers that arrange sales and purchases for others generally for
a commission or fee. This includes the sale or arranging the purchase/sale of
goods for resale to other wholesalers or retailers, capital or durable
non-consumer goods, and raw materials and supplies used in production. |
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The Retail
Trade sector comprises establishments engaged in retailing merchandise,
generally without transformation, and rendering services incidental to the
sale of merchandise, generally in small quantities to the general public.
This sector comprises two main types of retailers: store
and non-store retailers (which includes those who reach customers with
methods such as ''infomercials''; broadcasting/publishing direct-response
advertising; publishing of paper and electronic catalogs; door-to-door
solicitation; in-home demonstration; street vendors-except food; vending
machines. |
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The
Transportation and Warehousing sector includes companies providing transportation
of passengers and cargo (via air, rail, water, road, and pipeline); scenic
and sightseeing transportation; courier services; warehousing services
(without taking ownership and reselling as a wholesaler), and support
activities related to modes of transportation, such as the routine repair and
maintenance of transportation equipment (e.g., aircraft at an airport,
railroad rolling stock at a railroad terminal, or ships at a harbor or port
facility). |
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Excluded from
this sector are establishments primarily engaged in (a) providing travel
agent services that support transportation and other establishments, such as
hotels, businesses, and government agencies (industry 56); (b) establishments
primarily engaged in providing rental and leasing of transportation equipment
without an operator (industry 53) and (c) establishments that primarily
perform factory (or shipyard) overhauls, rebuilding, or conversions of
aircraft, railroad rolling stock, or ships (industry 33). |
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The Information
sector comprises establishments engaged in the following processes: (a)
producing and distributing information and cultural products, (b) providing
the means to transmit or distribute these products as well as data or
communications, and (c) processing data. |
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The main
components of this sector are the publishing industries (including software
publishing and publishing exclusively on the Internet); the motion picture
and sound recording industries; the broadcasting industries (including
traditional broadcasting and those broadcasting exclusively over the
Internet); the telecommunications industries; and industries known as
internet service providers, web search portals, data processing industries,
and the information services industries. |
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The Finance and
Insurance sector comprises establishments primarily engaged in financial
transactions (transactions involving the creation, liquidation, or change in
ownership of financial assets) and/or in facilitating financial transactions.
Three principal types of activities are identified: |
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(a) Raising
funds by taking deposits and/or issuing securities and, in the process,
incurring liabilities. Establishments engaged in this activity use raised
funds to acquire financial assets by making loans and/or purchasing
securities. Putting themselves at risk, they channel funds from lenders to
borrowers and transform or repackage the funds with respect to maturity,
scale and risk. This activity is known as financial intermediation; (b)
Pooling of risk by underwriting insurance and annuities. Establishments
engaged in this activity collect fees, insurance premiums, or annuity
considerations; build up reserves; invest those reserves; and make
contractual payments. Fees are based on the expected incidence of the insured
risk and the expected return on investment. |
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(c) Providing
specialized services facilitating or supporting financial intermediation,
insurance, and employee benefit programs. |
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In addition,
legal entities that hold portfolios of assets on behalf of others are
included in this sector. |
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The Real Estate
and Rental and Leasing sector comprises establishments primarily engaged in
renting, leasing, or otherwise allowing the use of tangible or intangible
assets, and establishments providing related services. The major portion of
this sector comprises establishments that rent, lease, or otherwise allow the
use of their own assets by others. This sector also includes establishments
primarily engaged in managing real estate for others, selling, renting and/or
buying real estate for others, and appraising real estate. Excluded from this
sector are real estate investment trusts (REITS, which are considered
investment vehicles and fall into industry 52). |
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This sector
comprises establishments that specialize in performing professional,
scientific, and technical activities for others. The establishments in this
sector specialize according to expertise and provide these services to
clients in a variety of industries and, in some cases, to households.
Activities performed include: legal advice and representation; accounting,
bookkeeping, and payroll services; architectural, engineering, and
specialized design services; computer services; consulting services; research
services; advertising services; photographic services; translation and
interpretation services; and veterinary services. |
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This sector
excludes establishments primarily engaged in providing a range of day-to-day
office administrative services, such as financial planning, billing and
recordkeeping, personnel, and physical distribution and logistics. These
establishments are classified in Industry 56 (Administrative & Support Services
and Waste Management & Remediation Services). |
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The Management
of Companies and Enterprises sector comprises (1) establishments that hold
the securities of (or other equity interests in) companies and enterprises
for the purpose of owning a controlling interest or influencing management
decisions or (2) establishments (except government establishments) that
administer, oversee, and manage establishments of the company or enterprise
and that normally undertake the strategic or organizational planning and
decision-making role of the company or enterprise. These establishments that
administer, oversee, and manage may hold the securities of the company or
enterprise. |
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Establishments
primarily engaged in providing a range of day-to-day office administrative
services, such as financial planning, billing and recordkeeping, personnel, and
physical distribution and logistics are classified in Industry 56
(Administrative & Support Services and Waste Management & Remediation
Services). |
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The
Administrative & Support Services and Waste Management & Remediation
Services sector comprises establishments performing routine support
activities for the day-to-day operations of other organizations. These
essential activities are often undertaken in-house by establishments in many
sectors of the economy. The establishments in this sector specialize in one
or more of these support activities and provide these services to clients in
a variety of industries and, in some cases, to households. Activities performed
include: office administration; hiring and placing of personnel; document
preparation and similar clerical services; solicitation, collection, security
and surveillance services; cleaning services; and waste disposal services.
The activities performed by establishments in this sector are typically on a
contract or fee basis. |
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Establishments
involved in administering, overseeing, and managing other establishments of the
company or enterprise are classified in Industry 55
(Management of Companies and Enterprises). These establishments normally
undertake the strategic and organizational planning and decision-making role
of the company or enterprise. |
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The Educational
Services sector comprises establishments that provide instruction and
training in a wide variety of subjects. This instruction and training is provided
by specialized establishments, such as schools, colleges, universities, and
training centers. These establishments may be privately owned and operated
for profit or not for profit, or they may be publicly owned and operated.
Instruction is imparted in diverse settings, such as educational
institutions, the workplace, or the home through correspondence, television,
or other means. |
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This sector
comprises establishments providing health care and social assistance for
individuals. The sector combines health care and social assistance because it
is sometimes difficult to distinguish between the boundaries of these two
activities. The sector includes establishments providing medical care
exclusively, those providing health care and social assistance, and those
providing only social assistance. |
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Excluded from
this sector are aerobic classes (Industry 71) and non-medical diet and weight
reducing centers (Industry 81). |
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The Arts,
Entertainment, and Recreation sector includes a wide range of establishments
that operate facilities or provide services to meet varied cultural,
entertainment, and recreational interests of their patrons. This sector
comprises (1) establishments that are involved in producing, promoting, or
participating in live performances, events, or exhibits intended for public
viewing; (2) establishments that preserve and exhibit objects and sites of
historical, cultural, or educational interest; and (3) establishments that
operate facilities or provide services that enable patrons to participate in
recreational activities or pursue amusement, hobby, and leisure time
interests. |
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Some
establishments that provide cultural, entertainment, or recreational
facilities and services are excluded from this sector, including: (1)
establishments that provide both accommodations and recreational facilities,
such as hunting and fishing camps and resort and casino hotels (Industry 72,
Accommodations and food Services); (2) restaurants and night clubs that
provide live entertainment in addition to the sale of food and beverages
(also Industry 72); (3) motion picture theaters, libraries and archives, and
publishers of newspapers, magazines, books, periodicals, and computer
software are classified in (Industry 51, Information); and (4) establishments
using transportation equipment to provide recreational and entertainment
services, such as those operating sightseeing buses, dinner cruises, or
helicopter rides (Industry 48, Scenic and Sightseeing Transportation). |
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The
Accommodation and Food Services sector comprises establishments providing
customers with lodging and/or preparing meals, snacks, and beverages for
immediate consumption. The "Accommodations" sector includes hotels,
motels, and bed-and-breakfast inns; casino hotels; RV camps, campgrounds and
recreational camps; and rooming and boarding houses. The "Food
Services" sector includes both full-service and limited-service
restaurants; food service contractors; caterers; mobile food services; and
drinking establishments. |
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Excluded from
this sector are civic and social organizations; amusement and recreation
parks; theaters; and other recreation or entertainment facilities providing
food and beverage services. |
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This sector
includes establishments engaged in providing services not specifically
provided for elsewhere in the classification system. Establishments in this
sector include those primarily engaged in activities such as repair services;
promoting or administering religious activities; grant-making services
(scholarships and grants); membership organizations (civic, professional, political,
as well as labor unions); advocacy services (human rights, environmental
advocates, etc); personal services (hair, skin,
weight loss); dry cleaning/laundry services; death care services; and
miscellaneous services (pet care, photofinishing, parking lots/garages,
dating services, etc.). |
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Excluded from
this sector are retail or wholesale establishments
who also perform repairs or general maintenance on that equipment. These establishments
are classified in retail or wholesale trade. |
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The Public
Administration sector consists of establishments of federal, state, and local
government agencies that administer, oversee, and manage public programs and
have executive, legislative, or judicial authority over other institutions
within a given area. |
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For the
purposes of the OES survey, government-owned and operated transportation and
utility agencies are included in this sector. Examples of government-provided
services that are not included in this sector include schools (Industry 61,
Educational Services) and hospitals (Industry 62, Health and Social
Services). |
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For
more information on the North American Industry Classification System (NAICS)
visit either the NAICS page
for the Bureau of Labor Statistics or the NAICS site for the U.S. Census
Bureau. |
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