| All Other Basic
Organic Chemical Manufacturing |
325199 |
| Abattoirs |
311611 |
| Abortion clinics |
621410 |
| Abrasion testing machines manufacturing |
334519 |
| Abrasive points, wheels, and disks,
dental, manufacturing |
339114 |
| Abrasive products manufacturing |
327910 |
| Abrasive sand quarrying and/or
beneficiating |
212322 |
| Abrasive stones (e.g., emery,
grindstones, hones, pumice) mining and/or beneficiating |
212399 |
| Abrasives merchant wholesalers |
423840 |
| Abrasives, natural, mining and/or
beneficiating |
212399 |
| Absorbent paper stock manufacturing |
322121 |
| Absorbers, gas, heavy gauge metal,
manufacturing |
332420 |
| Absorption analyzers, industrial process
type (e.g., infrared), manufacturing |
334513 |
| Abutment construction |
237310 |
| Academic tutoring services |
611691 |
| Academies, college or university |
611310 |
| Academies, elementary or secondary |
611110 |
| Academies, junior college |
611210 |
| Academies, military service (college) |
611310 |
| Academies, riding instruction |
611620 |
| Acceleration indicators and systems
components, aerospace type, manufacturing |
334511 |
| Accelerators (i.e., basic synthetic
chemical) manufacturing |
325199 |
| Accelerometers (except aerospace type)
manufacturing |
334519 |
| Access flooring installation |
238330 |
| Accident prevention associations |
813319 |
| Accidental and health reinsurance
carriers |
524130 |
| Accidental death and dismemberment
insurance carriers, direct |
524113 |
| Accidental death and dismemberment
insurance underwriting, direct |
524113 |
| Accordions and parts manufacturing |
339992 |
| Account collection services |
561440 |
| Accountants' (except CPAs) offices |
541219 |
| Accountants' (except CPAs) private
practices |
541219 |
| Accountants' (i.e., CPAs) offices,
certified public |
541211 |
| Accountants' (i.e., CPAs) private
practices, certified public |
541211 |
| Accountants' associations |
813920 |
| Accounting (i.e., CPAs) services,
certified public |
541211 |
| Accounting machines merchant wholesalers |
423420 |
| Accounting services (except CPAs) |
541219 |
| Accumulators, industrial pressure
vessels, heavy gauge metal, manufacturing |
332420 |
| Acetal resins manufacturing |
325211 |
| Acetaldehyde manufacturing |
325199 |
| Acetate fibers and filaments
manufacturing |
325221 |
| Acetate of lime, natural, made by
distillation of wood |
325191 |
| Acetate spun yarns made from purchased
fiber |
313111 |
| Acetates, not specified elsewhere by
process, manufacturing |
325199 |
| Acetic acid manufacturing |
325199 |
| Acetic anhydride manufacturing |
325199 |
| Acetin manufacturing |
325199 |
| Acetone, natural, manufacturing |
325191 |
| Acetone, synthetic, manufacturing |
325199 |
| Acetylene cylinders, heavy gauge metal,
manufacturing |
332420 |
| Acetylene manufacturing |
325120 |
| Acetylsalicylic acid manufacturing |
325411 |
| Acid dyes, synthetic organic,
manufacturing |
325132 |
| Acid esters, not specified elsewhere by
process, manufacturing |
325199 |
| Acid oils made in petroleum refineries |
324110 |
| Acid plant construction |
236210 |
| Acid waste disposal facilities |
562211 |
| Acid waste treatment facilities |
562211 |
| Acidity (i.e., pH) instruments,
industrial process type, manufacturing |
334513 |
| Acidity (i.e., pH) measuring equipment,
laboratory analysis-type, manufacturing |
334516 |
| Acidizing oil and gas field wells on a
contract basis |
213112 |
| Acidophilus milk manufacturing |
311511 |
| Acids merchant wholesalers |
424690 |
| Acids, organic, not specified elsewhere
by process, manufacturing |
325199 |
| Acorn squash farming, field, bedding
plant and seed production |
111219 |
| Acoustical ceiling tile and panel
installation |
238310 |
| Acoustical engineering consulting
services |
541330 |
| Acoustical foam (i.e., sound barrier)
installation |
238310 |
| Acoustical suspension systems, metal,
manufacturing |
332323 |
| Acoustical system engineering design
services |
541330 |
| Acoustics testing laboratories or
services |
541380 |
| Acrolein manufacturing |
325199 |
| Acrylate rubber manufacturing |
325212 |
| Acrylate-butadiene rubber manufacturing |
325212 |
| Acrylic and modacrylic filament yarn
throwing, twisting, texturizing, or winding purchased yarn |
313112 |
| Acrylic fibers and filaments
manufacturing |
325222 |
| Acrylic film and unlaminated sheet
(except packaging) manufacturing |
326113 |
| Acrylic resins manufacturing |
325211 |
| Acrylic rubber manufacturing |
325212 |
| Acrylic spun yarns made from purchased
fiber |
313111 |
| Acrylonitrile fibers and filaments
manufacturing |
325222 |
| Acrylonitrile manufacturing |
325199 |
| Acrylonitrile-butadiene-styrene (ABS)
resins manufacturing |
325211 |
| Actinometers, meteorological,
manufacturing |
334519 |
| Action figures manufacturing |
339931 |
| Activated carbon or charcoal
manufacturing |
325998 |
| Activity centers for disabled persons,
the elderly, and persons diagnosed with mental retardation |
624120 |
| Actors, independent |
711510 |
| Actresses, independent |
711510 |
| Actuarial consulting services |
541612 |
| Actuaries |
524298 |
| Actuators, fluid power, manufacturing |
333995 |
| Acupuncturists' (except MDs or DOs)
offices (e.g., centers, clinics) |
621399 |
| Acupuncturists' (MDs or DOs) offices
(e.g., centers, clinics) |
621111 |
| Acyclic hydrocarbons (e.g., butene,
ethylene, propene) (except acetylene) made from refined petroleum or liquid hydrocarbons |
325110 |
| Adapters, bombcluster, manufacturing |
332993 |
| Adding machines manufacturing |
333313 |
| Addition, alteration and renovation
(i.e., construction), multifamily building |
236118 |
| Addition, alteration and renovation
(i.e., construction), residential building |
236118 |
| Addition, alteration and renovation
general contractors, commercial and institutional building |
236220 |
| Addition, alteration and renovation
general contractors, commercial warehouse |
236220 |
| Addition, alteration and renovation
general contractors, hotel and motel |
236220 |
| Addition, alteration and renovation
general contractors, industrial warehouse |
236220 |
| Addition, alteration and renovation of
single-family dwellings |
236118 |
| Addition, alteration and renovation
operative builders, industrial building (except warehouses) |
236210 |
| Addition, alteration and renovation
operative builders, commercial and institutional building |
236220 |
| Addition, alteration and renovation
operative builders, commercial warehouse |
236220 |
| Addition, alteration and renovation
operative builders, hotel and motel |
236220 |
| Addition, alteration and renovation
operative builders, industrial warehouse |
236220 |
| Addition, alteration and renovation,
commercial and institutional building |
236220 |
| Addition, alteration and renovation,
commercial warehouse |
236220 |
| Addition, alteration and renovation,
general contractors, industrial building (except warehouses) |
236210 |
| Addition, alteration and renovation,
hotel and motel |
236220 |
| Addition, alteration and renovation,
industrial building (except warehouses) |
236210 |
| Addition, alteration and renovation,
industrial warehouse |
236220 |
| Addition, alteration and renovation,
multifamily building, general contractors |
236118 |
| Addition, alteration and renovation,
multifamily building, operative builders |
236118 |
| Addition, alteration and renovation,
residential building, general contractors |
236118 |
| Addition, alteration and renovation,
residential building, operative builders |
236118 |
| Addition, alteration and renovation,
single-family housing, general contractors |
236118 |
| Addition, alteration and renovation,
single-family housing, operative builders |
236118 |
| Additive preparations for gasoline
(e.g., antiknock preparations, detergents, gum inhibitors) manufacturing |
325998 |
| Address bar coding services |
561499 |
| Address list publishers (except exlusive
Internet publishing) |
511140 |
| Address list publishers and printing
combined |
511140 |
| Address lists flexographic printing
without publishing |
323112 |
| Address lists gravure printing without
publishing |
323111 |
| Address lists lithographic (offset)
printing without publishing |
323110 |
| Address lists printing (except
flexographic, gravure, lithographic, quick, screen) without publishing |
323119 |
| Address lists screen printing without
publishing |
323113 |
| Addressing machines merchant wholesalers |
423420 |
| Adhesive tape (except medical) made from
purchased materials |
322222 |
| Adhesive tape, medical, manufacturing |
339113 |
| Adhesives (except asphalt, dental,
gypsum base) manufacturing |
325520 |
| Adhesives and sealants merchant
wholesalers |
424690 |
| Adipic acid esters or amines
manufacturing |
325199 |
| Adipic acid manufacturing |
325199 |
| Adiponitrile manufacturing |
325199 |
| Administration building construction |
236220 |
| Administrative courts |
922110 |
| Administrative management consulting
services |
541611 |
| Administrative management services |
561110 |
| Administrators of private estates |
523991 |
| Adobe bricks manufacturing |
327123 |
| Adoption agencies |
624110 |
| Adoption services, child |
624110 |
| Adrenal derivatives, uncompounded,
manufacturing |
325411 |
| Adrenal medicinal preparations
manufacturing |
325412 |
| Adult literacy instruction |
611691 |
| Advertising agencies |
541810 |
| Advertising agency consulting services |
541810 |
| Advertising material (e.g., coupons,
flyers, samples) direct distribution services |
541870 |
| Advertising material preparation
services for mailing or other direct distribution |
541860 |
| Advertising materials (e.g., coupons,
flyers) lithographic (offset) printing without publishing |
323110 |
| Advertising media representatives (i.e.,
independent of media owners) |
541840 |
| Advertising periodical publishers
(except exclusive Internet publishing) |
511120 |
| Advertising periodical publishers and
printing combined |
511120 |
| Advertising periodical publishers,
exclusively on Internet |
516110 |
| Advertising services, indoor or outdoor
display |
541850 |
| Advertising specialty (e.g., keychain,
magnet, pen) distribution services |
541890 |
| Advertising, aerial |
541850 |
| Advisory commissions, executive
government |
921110 |
| Advisory commissions, legislative |
921120 |
| Aerial cable car, scenic and
sightseeing, operation |
487990 |
| Aerial cameras manufacturing |
333315 |
| Aerial dusting or spraying (i.e., using
specialized or dedicated aircraft) |
115112 |
| Aerial geophysical surveying services |
541360 |
| Aerial or picker truck, construction,
rental with operator |
238910 |
| Aerial surveying (except geophysical)
services |
541370 |
| Aerial tramway, scenic and sightseeing,
operation |
487990 |
| Aerial work platforms manufacturing |
333923 |
| Aerobic dance and exercise centers |
713940 |
| Aeronautical equipment and supplies
merchant wholesalers |
423860 |
| Aeronautical systems and instruments
manufacturing |
334511 |
| Aerosol can filling on a job order or
contract basis |
325998 |
| Aerosol cans, light gauge metal,
manufacturing |
332431 |
| Aerosol packaging services |
325998 |
| Aerosol valves manufacturing |
332919 |
| After-shave preparations manufacturing |
325620 |
| Aftercoolers (i.e., heat exchangers)
manufacturing |
332410 |
| Agar culture media manufacturing |
325414 |
| Agar-agar grinding manufacturing |
325411 |
| Agate mining and/or beneficiating |
212399 |
| Agave farming |
111998 |
| Agencies of foreign banks (i.e., trade
financing) |
522293 |
| Agencies, insurance |
524210 |
| Agencies, loan |
522310 |
| Agencies, real estate |
531210 |
| Agencies, real estate escrow |
531390 |
| Agents and brokers, durable goods,
wholesale trade |
425120 |
| Agents and brokers, nondurable goods,
wholesale trade |
425120 |
| Agents' offices, real estate escrow |
531390 |
| Agents, artists' |
711410 |
| Agents, authors' |
711410 |
| Agents, celebrities' |
711410 |
| Agents, entertainers' |
711410 |
| Agents, laundry and drycleaning |
812320 |
| Agents, modeling |
711410 |
| Agents, public figures' |
711410 |
| Agents, real estate |
531210 |
| Agents, shipping |
488510 |
| Agents, sports figures' |
711410 |
| Agents, talent |
711410 |
| Agents, theatrical talent |
711410 |
| Agglomerates, iron ore, beneficiating |
212210 |
| Aggregate spreaders manufacturing |
333120 |
| Aggressins (except in-vitro)
manufacturing |
325414 |
| Agreement corporation (except
international trade financing) |
551112 |
| Agreement corporations (i.e.,
international trade financing) |
522293 |
| Agricultural (i.e., crop, livestock)
insurance carriers, direct |
524126 |
| Agricultural chemicals merchant
wholesalers |
424910 |
| Agricultural consulting services |
541690 |
| Agricultural cooperative extension
program administration |
926140 |
| Agricultural credit institutions, making
loans or extending credit (except real estate, sales financing) |
522298 |
| Agricultural fair managers without
facilities |
711320 |
| Agricultural fair organizers without
facilities |
711320 |
| Agricultural fair promoters without
facilities |
711320 |
| Agricultural handtools (e.g., hay forks,
hoes, rakes, spades), nonpowered, manufacturing |
332212 |
| Agricultural implements merchant
wholesalers |
423820 |
| Agricultural lending (except real
estate, sales financing) |
522298 |
| Agricultural lime manufacturing |
327410 |
| Agricultural limestone merchant
wholesalers |
424910 |
| Agricultural limestone mining and/or
beneficiating |
212312 |
| Agricultural machinery and equipment
merchant wholesalers |
423820 |
| Agricultural machinery and equipment
rental or leasing |
532490 |
| Agricultural machinery and equipment
repair and maintenance services |
811310 |
| Agricultural magazine and periodical
publishers (except exclusive Internet publishing) |
511120 |
| Agricultural magazine and periodical
publishers and printing combined |
511120 |
| Agricultural magazine and periodical
publishers, exclusively on Internet |
516110 |
| Agricultural magazines and periodicals
flexographic printing without publishing |
323112 |
| Agricultural magazines and periodicals
gravure printing without publishing |
323111 |
| Agricultural magazines and periodicals
lithographic (offset) printing without publishing |
323110 |
| Agricultural magazines and periodicals
printing (except flexographic, gravure, lithographic, quick, screen) without publishing |
323119 |
| Agricultural magazines and periodicals
screen printing without publishing |
323113 |
| Agricultural marketing services
government |
926140 |
| Agricultural organizations (except youth
farming organizations, farm granges) |
813910 |
| Agricultural pest and weed regulation,
government |
926140 |
| Agricultural products trucking, local |
484220 |
| Agricultural property rental leasing |
531190 |
| Agriculture fair boards administration |
926140 |
| Agriculture production or harvesting
crews |
115115 |
| Agriculture research and development
laboratories or services |
541710 |
| Agrology consulting services |
541690 |
| Agronomy consulting services |
541690 |
| Aid to families with dependent children
(AFDC) |
624110 |
| Air ambulance services |
621910 |
| Air bag assemblies manufacturing |
336399 |
| Air boat building |
336612 |
| Air brake systems and parts, automotive,
truck, and bus, manufacturing |
336340 |
| Air cargo carriers (except air
couriers), scheduled |
481112 |
| Air cargo carriers (except air
couriers), nonscheduled |
481212 |
| Air cargo containers, light gauge metal,
manufacturing |
332439 |
| Air circuit breakers manufacturing |
335313 |
| Air commuter carriers, scheduled |
481111 |
| Air compressors manufacturing |
333912 |
| Air courier services |
492110 |
| Air cowls, sheet metal (except
stampings), manufacturing |
332322 |
| Air filters, automotive, truck, and bus,
manufacturing |
336399 |
| Air flow controllers (except valves),
air-conditioning and refrigeration, manufacturing |
334512 |
| Air Force |
928110 |
| Air laid nonwoven fabrics manufacturing |
313230 |
| Air passenger carriers, nonscheduled |
481211 |
| Air passenger carriers, scheduled |
481111 |
| Air pollution control equipment and
supplies merchant wholesalers |
423730 |
| Air purification equipment, portable,
manufacturing |
335211 |
| Air purification equipment, stationary,
manufacturing |
333411 |
| Air receiver tanks, heavy gauge metal,
manufacturing |
332420 |
| Air scrubbing systems manufacturing |
333411 |
| Air show managers with facilities |
711310 |
| Air show managers without facilities |
711320 |
| Air show organizers with facilities |
711310 |
| Air show organizers without facilities |
711320 |
| Air show promoters with facilities |
711310 |
| Air show promoters without facilities |
711320 |
| Air system balancing and testing |
238220 |
| Air taxi services |
481211 |
| Air traffic control radar systems and
equipment manufacturing |
334511 |
| Air traffic control schools |
611519 |
| Air traffic control services (except
military) |
488111 |
| Air traffic control, military |
928110 |
| Air vent installation |
238220 |
| Air washers (i.e., air scrubbers)
manufacturing |
333411 |
| Air-conditioner rental |
532210 |
| Air-conditioner, window, repair and
maintenance services |
811412 |
| Air-conditioners, motor vehicle,
manufacturing |
336391 |
| Air-conditioners, room, merchant
wholesalers |
423620 |
| Air-conditioners, unit (e.g., motor
home, travel trailer, window), manufacturing |
333415 |
| Air-conditioning and warm air heating
combination units manufacturing |
333415 |
| Air-conditioning compressors (except
motor vehicle) manufacturing |
333415 |
| Air-conditioning condensers and
condensing units manufacturing |
333415 |
| Air-conditioning equipment (except motor
vehicle) manufacturing |
333415 |
| Air-conditioning equipment (except room
units) merchant wholesalers |
423730 |
| Air-conditioning supply |
221330 |
| Air-conditioning system (except window)
installation |
238220 |
| Airboat (i.e., swamp buggy) operation |
487210 |
| Airborne navigational systems
manufacturing |
334511 |
| Airborne radio communications equipment
manufacturing |
334220 |
| Aircraft and automotive wire and cable
(except aluminum, copper) made from purchased nonferrous
metals (except aluminum copper) in wire drawing plants |
331491 |
| Aircraft and automotive wire or cable
made from purchased copper in wire drawing plants |
331422 |
| Aircraft artillery manufacturing |
332995 |
| Aircraft assemblies, subassemblies, and
parts (except engines) manufacturing |
336413 |
| Aircraft auxiliary parts (e.g., crop
dusting, external fuel tanks, inflight refueling equipment) manufacturing |
336413 |
| Aircraft carrier catapults manufacturing |
333999 |
| Aircraft charter services (i.e., general
purpose aircraft used for a variety of specialty air and flying services) |
481219 |
| Aircraft charter services, passenger |
481211 |
| Aircraft control surface assemblies
manufacturing |
336413 |
| Aircraft conversions (i.e., major
modifications to system) |
336411 |
| Aircraft dealers |
441229 |
| Aircraft engine and engine parts (except
carburetors, pistons, piston rings, valves) manufacturing |
336412 |
| Aircraft engine cradles manufacturing |
333924 |
| Aircraft engine instruments
manufacturing |
334519 |
| Aircraft engine overhauling |
336412 |
| Aircraft engine rebuilding |
336412 |
| Aircraft engines and parts merchant
wholesalers |
423860 |
| Aircraft equipment and supplies merchant
wholesalers |
423860 |
| Aircraft ferrying services |
488190 |
| Aircraft flight instruments (except
engine instruments) manufacturing |
334511 |
| Aircraft fuselage wing tail and similar
assemblies manufacturing |
336413 |
| Aircraft hangar rental |
488119 |
| Aircraft hardware, metal, manufacturing |
332510 |
| Aircraft inspection services |
488190 |
| Aircraft inspection, government |
926120 |
| Aircraft janitorial services |
561720 |
| Aircraft lighting fixtures manufacturing |
336321 |
| Aircraft loading hoists manufacturing |
333924 |
| Aircraft maintenance and repair services
(except factory conversion, factory overhaul, factory rebuilding) |
488190 |
| Aircraft manufacturing |
336411 |
| Aircraft merchant wholesalers |
423860 |
| Aircraft overhauling |
336411 |
| Aircraft parking service |
488119 |
| Aircraft propellers and parts
manufacturing |
336413 |
| Aircraft rebuilding (i.e., restoration
to original design specifications) |
336411 |
| Aircraft rental and leasing |
532411 |
| Aircraft seats manufacturing |
336360 |
| Aircraft testing services |
488190 |
| Aircraft tie down strap assemblies
(except leather) manufacturing |
314999 |
| Aircraft tire manufacturing |
326211 |
| Aircraft turbines manufacturing |
336412 |
| Aircraft upholstery repair |
811420 |
| Aircurtains manufacturing |
333412 |
| Airframe assemblies (except for guided
missiles) manufacturing |
336413 |
| Airframe assemblies for guided missiles
manufacturing |
336419 |
| Airframe equipment instruments
manufacturing |
334511 |
| Airfreshners manufacturing |
325612 |
| Airline food services contractors |
722310 |
| Airline reservation services |
561599 |
| Airline ticket offices |
561599 |
| Airlocks, fabricated metal plate work,
manufacturing |
332313 |
| Airmail carriers, scheduled |
481112 |
| Airplane rental or leasing |
532411 |
| Airport baggage handling services |
488119 |
| Airport building construction |
236220 |
| Airport cargo handling services |
488119 |
| Airport leasing, not operating airport,
rental or leasing |
531190 |
| Airport lighting transformers
manufacturing |
335311 |
| Airport limousine services (i.e.,
shuttle) |
485999 |
| Airport operators (e.g., civil,
international, national) |
488119 |
| Airport runway construction |
237310 |
| Airport runway lighting contractors |
238210 |
| Airport runway line painting (e.g.,
striping) |
237310 |
| Airport runway maintenance services |
488119 |
| Airport shuttle services |
485999 |
| Airport terminal construction |
236220 |
| Airports, civil, operation and
maintenance |
488119 |
| Airspeed instruments (aeronautical)
manufacturing |
334511 |
| Alabaster mining and/or beneficiating |
212399 |
| Alarm apparatus, electric, merchant
wholesalers |
423610 |
| Alarm clocks manufacturing |
334518 |
| Alarm system (e.g., fire, burglar),
electric, installation only |
238210 |
| Alarm system central monitoring
equipment manufacturing |
334290 |
| Alarm system monitoring services |
561621 |
| Alarm systems and equipment
manufacturing |
334290 |
| Alarm systems sales combined with
installation, repair, or monitoring services |
561621 |
| Albums (e.g., photo, scrap) and refills
manufacturing |
323118 |
| Albums, photo, merchant wholesalers |
424120 |
| Alcohol, industrial, merchant
wholesalers |
424690 |
| Alcohol, tobacco, and firearms control |
922120 |
| Alcoholic beverage control boards |
926150 |
| Alcoholic beverage delivery service |
492210 |
| Alcoholic beverage drinking places |
722410 |
| Alcoholic beverages (except brandy)
distilling |
312140 |
| Alcoholic beverages (except distilled
spirits, wine) merchant wholesalers |
424810 |
| Alcoholic beverages, brandy, distilling |
312130 |
| Alcoholic beverages, wine and distilled
spirits merchant wholesalers |
424820 |
| Alcoholism and drug addiction self-help
organizations |
624190 |
| Alcoholism counseling (except medical
treatment), nonresidential |
624190 |
| Alcoholism rehabilitation facilities
(except licensed hospitals), residential |
623220 |
| Alcoholism rehabilitation hospitals |
622210 |
| Alcoholism self-help organizations |
624190 |
| Alcoholism treatment centers and clinics
(except hospitals), outpatient |
621420 |
| Aldehydes manufacturing |
325199 |
| Ale brewing |
312120 |
| Ale merchant wholesalers |
424810 |
| Alfalfa hay farming |
111940 |
| Alfalfa meal, dehydrated, manufacturing |
311119 |
| Alfalfa merchant wholesalers |
424910 |
| Alfalfa prepared as feed for animals |
311119 |
| Alfalfa seed farming |
111998 |
| Alfalfa sprout farming, grown under
cover |
111419 |
| Alfalfa, cubed, manufacturing |
311119 |
| Algae farming |
111998 |
| Alginates (e.g., calcium, potassium,
sodium) manufacturing |
325199 |
| Alginic acid manufacturing |
325199 |
| Alidades, surveying, manufacturing |
334519 |
| Alignment equipment, motor vehicle,
manufacturing |
333319 |
| Aliphatic (e.g., hydrocarbons) (except
acetylene) made from refined petroleum or liquid hydrocarbons |
325110 |
| Aliphatic chemicals (i.e., acyclic) made
in petroleum refineries |
324110 |
| Alkalies manufacturing |
325181 |
| Alkalies merchant wholesalers |
424690 |
| Alkaline cell primary batteries
manufacturing |
335912 |
| Alkaline cell storage batteries (i.e.,
nickel-cadmium, nickel-iron, silver oxide-zinc) manufacturing |
335911 |
| Alkaline manganese primary batteries
manufacturing |
335912 |
| Alkyd resins manufacturing |
325211 |
| Alkylates made in petroleum refineries |
324110 |
| All terrain vehicle (ATV's) merchant
wholesalers |
423110 |
| All terrain vehicles (ATV's), wheeled or
tracked, manufacturing |
336999 |
| All-terrain vehicle (ATV) dealers |
441221 |
| Allergenic extracts (except diagnostic
substances) manufacturing |
325414 |
| Allergens manufacturing |
325414 |
| Allergists' offices (e.g., centers,
clinics) |
621111 |
| Alligator production, farm raising |
112519 |
| Alloy steel castings (except
investment), unfinished, manufacturing |
331513 |
| Alloying purchased aluminum metals |
331314 |
| Alloying purchased copper |
331423 |
| Alloying purchased copper metals |
331423 |
| Alloying purchased nonferrous metals
(except aluminum, copper) |
331492 |
| Allyl resins manufacturing |
325211 |
| Almanac binding without printing |
323121 |
| Almanac publishers (except exclusive
Internet publishing) |
511130 |
| Almanac publishers and printing combined |
511130 |
| Almanac publishers, exclusively on
Internet |
516110 |
| Almanacs printing and binding without
publishing |
323117 |
| Almanacs printing without publishing |
323117 |
| Almond farming |
111335 |
| Almond hulling and shelling |
115114 |
| Almond pastes manufacturing |
311999 |
| Aloe farming |
111998 |
| Alpaca production |
112990 |
| Alpine skiing facilities with
accommodations (i.e., ski resort) |
721110 |
| Alpine skiing facilities without
accommodations |
713920 |
| Alternative energy (e.g., geothermal,
ocean wave, solar, wind) structure construction |
237130 |
| Alternator and generator testers
manufacturing |
334515 |
| Alternators and generators for internal
combustion engines manufacturing |
336322 |
| Altimeters, aeronautical, manufacturing |
334511 |
| Alum, natural, mining and/or
beneficiating |
212391 |
| Alumina fused refractories manufacturing |
327125 |
| Alumina porcelain insulators
manufacturing |
327113 |
| Alumina refining |
331311 |
| Aluminous refractory cement
manufacturing |
327125 |
| Aluminum alloys made from bauxite or
alumina producing primary aluminum and manufacturing |
331312 |
| Aluminum alloys made from scrap or dross |
331314 |
| Aluminum bar made by extruding purchased
aluminum |
331316 |
| Aluminum bar made in integrated
secondary smelting and extruding mills |
331316 |
| Aluminum billet made from purchased
aluminum |
331314 |
| Aluminum billet made in integrated
secondary smelting and rolling mills |
331314 |
| Aluminum cans, light gauge metal,
manufacturing |
332431 |
| Aluminum castings (except die-castings),
unfinished, manufacturing |
331524 |
| Aluminum chloride manufacturing |
325188 |
| Aluminum coating of metal products for
the trade |
332812 |
| Aluminum compounds, not specified
elsewhere by process, manufacturing |
325188 |
| Aluminum die-casting foundries |
331521 |
| Aluminum die-castings, unfinished,
manufacturing |
331521 |
| Aluminum door and window,
residential-type, installation |
238350 |
| Aluminum extrusion ingot (i.e., billet),
secondary |
331314 |
| Aluminum flakes made from purchased
aluminum |
331314 |
| Aluminum foil made by flat rolling
purchased aluminum |
331315 |
| Aluminum foil made in integrated
secondary smelting and flat rolling mills |
331315 |
| Aluminum forgings made from purchased
metals, unfinished |
332112 |
| Aluminum foundries (except die-casting) |
331524 |
| Aluminum freezer foil not made in
rolling mills |
332999 |
| Aluminum hydroxide (i.e., alumina
trihydrate) manufacturing |
325188 |
| Aluminum ingot and other primary
aluminum production shapes made from bauxite or alumina |
331312 |
| Aluminum ingot made from purchased
aluminum |
331314 |
| Aluminum ingot, secondary smelting of
aluminum and manufacturing |
331314 |
| Aluminum ingot, secondary, manufacturing |
331314 |
| Aluminum ladders manufacturing |
332999 |
| Aluminum oxide (fused) abrasives
manufacturing |
327910 |
| Aluminum oxide refining |
331311 |
| Aluminum pipe made by extruding
purchased aluminum |
331316 |
| Aluminum pipe made in integrated
secondary smelting and extruding mills |
331316 |
| Aluminum plant construction |
236210 |
| Aluminum plate made by continuous
casting purchased aluminum |
331315 |
| Aluminum plate made by flat rolling
purchased aluminum |
331315 |
| Aluminum plate made in integrated
secondary smelting and continuous casting mills |
331315 |
| Aluminum plate made in integrated
secondary smelting and flat rolling mills |
331315 |
| Aluminum producing from alumina |
331312 |
| Aluminum recovering from scrap and
making ingot and billet (except by rolling) |
331314 |
| Aluminum rod made by extruding purchased
aluminum |
331316 |
| Aluminum rod made in integrated
secondary smelting and extruding mills |
331316 |
| Aluminum shapes (e.g., bar, ingot, rod,
sheet) made by producing primary aluminum and manufacturing |
331312 |
| Aluminum sheet made by flat rolling
purchased aluminum |
331315 |
| Aluminum sheet made in integrated
secondary smelting and flat rolling mills |
331315 |
| Aluminum siding installation |
238170 |
| Aluminum smelting, secondary, and making
ingot and billet (except by rolling) |
331314 |
| Aluminum sulfate manufacturing |
325188 |
| Aluminum tube blooms made by extruding
purchased aluminum |
331316 |
| Aluminum tube blooms made in integrated
secondary smelting and extruding mills |
331316 |
| Aluminum tube made by drawing or
extruding purchased aluminum |
331316 |
| Aluminum tube made in integrated
secondary smelting and drawing plants |
331316 |
| Aluminum tube made in integrated
secondary smelting and extruding mills |
331316 |
| Aluminum welded tube made by flat
rolling purchased aluminum |
331315 |
| Aluminum welded tube made in integrated
secondary smelting and flat rolling mills |
331315 |
| Alumni associations |
813410 |
| Alumni clubs |
813410 |
| Alums (e.g., aluminum ammonium sulfate,
aluminum potassium sulfate) manufacturing |
325188 |
| Alunite mining and/or beneficiating |
212393 |
| AM radio stations |
515112 |
| Amalgamators (i.e., metallurgical and
mining machinery) manufacturing |
333131 |
| Amalgams, dental, manufacturing |
339114 |
| Amaranth farming |
111998 |
| Amateur sports teams, recreational |
713990 |
| Amatols manufacturing |
325920 |
| Amblygonite mining and/or beneficiating |
212393 |
| Ambulance and fire service combined |
922160 |
| Ambulance bodies manufacturing |
336211 |
| Ambulance merchant wholesalers |
423110 |
| Ambulance services, air or ground |
621910 |
| Ambulances assembling on purchased
chassis |
336211 |
| Ambulatory surgical centers and clinics,
freestanding |
621493 |
| American Indian or Alaska Native tribal
councils |
921150 |
| American Indian or Alaska Native tribal
courts |
921150 |
| American Indian or Alaska Native, tribal
chief's or chairman's office |
921150 |
| Amethyst mining and/or beneficiating |
212399 |
| Amino acid analyzers, laboratory-type,
manufacturing |
334516 |
| Amino resins manufacturing |
325211 |
| Amino-aldehyde resins manufacturing |
325211 |
| Aminoanthraquinone manufacturing |
325192 |
| Aminoazobenzene manufacturing |
325192 |
| Aminoazotoluene manufacturing |
325192 |
| Aminophenol manufacturing |
325192 |
| Ammonia (except fertilizer material)
merchant wholesalers |
424690 |
| Ammonia, anhydrous and aqueous,
manufacturing |
325311 |
| Ammonia, fertilizer material, merchant
wholesalers |
424910 |
| Ammonia, household-type, manufacturing |
325612 |
| Ammonium chloride manufacturing |
325188 |
| Ammonium compounds, not specified
elsewhere by process, manufacturing |
325188 |
| Ammonium hydroxide manufacturing |
325188 |
| Ammonium molybdate manufacturing |
325188 |
| Ammonium nitrate manufacturing |
325311 |
| Ammonium perchlorate manufacturing |
325188 |
| Ammonium phosphates manufacturing |
325312 |
| Ammonium plant construction |
236210 |
| Ammonium sulfate manufacturing |
325311 |
| Ammonium thiosulfate manufacturing |
325188 |
| Ammunition (except sporting) merchant
wholesalers |
423990 |
| Ammunition (i.e., more than 30 mm., more
than 1.18 inch) manufacturing |
332993 |
| Ammunition boxes, wood, manufacturing |
321920 |
| Ammunition boxes,light gauge metal,
manufacturing |
332439 |
| Ammunition carts (i.e., 30 mm or less,
1.18 inch or less) manufacturing |
332994 |
| Ammunition carts (i.e., more than 30
mm., more than 1.18 inch) manufacturing |
332995 |
| Ammunition loading and assembling plants |
332993 |
| Ammunition, small arms (i.e., 30 mm. or
less, 1.18 inch or less), manufacturing |
332992 |
| Ammunition, sporting, merchant
wholesalers |
423910 |
| Ampere-hour meters manufacturing |
334515 |
| Amphetamines, uncompounded,
manufacturing |
325411 |
| Amplifiers (e.g., auto, home, musical
instrument, public address) manufacturing |
334310 |
| Amplifiers, (e.g., RF power and IF),
broadcast and studio equipment, manufacturing |
334220 |
| Amplifiers, magnetic, pulse, and maser,
manufacturing |
335999 |
| Amusement arcades |
713120 |
| Amusement device (except gambling)
concession operators (i.e., supplying and servicing in others' facilities) |
713990 |
| Amusement device (except gambling)
parlors, coin-operated |
713120 |
| Amusement devices (except gambling)
operated in own facilities |
713120 |
| Amusement facility construction |
236220 |
| Amusement machines, coin-operated,
manufacturing |
339999 |
| Amusement park equipment merchant
wholesalers |
423850 |
| Amusement parks (e.g., theme, water) |
713110 |
| Amusement ride concession operators
(i.e., supplying and servicing in others' facilities) |
713990 |
| Amyl acetate manufacturing |
325199 |
| Analgesic preparations manufacturing |
325412 |
| Analog computers manufacturing |
334111 |
| Analytical instruments (e.g.,
chromatographic, photometers, spectrographs) merchant wholesalers |
423490 |
| Analyzers for testing electrical
characteristics manufacturing |
334515 |
| Analyzers, industrial process control
type, manufacturing |
334513 |
| Anchored earth retention contractors |
237990 |
| Anchovy fishing |
114111 |
| Andalusite mining and/or beneficiating |
212325 |
| Andirons manufacturing |
332999 |
| Anesthesia apparatus manufacturing |
339112 |
| Anesthesiologists' offices (e.g.,
centers, clinics) |
621111 |
| Anesthetic preparations manufacturing |
325412 |
| Anesthetics, uncompounded, manufacturing |
325411 |
| Angiourographic diagnostic preparations
manufacturing |
325412 |
| Angle irons, metal, manufacturing |
332999 |
| Angle rings (i.e., a machine tool
accessory) manufacturing |
333515 |
| Angle valves, industrial-type,
manufacturing |
332911 |
| Angle-of-attack instrumentation
manufacturing |
334511 |
| Angle-of-yaw instrumentation
manufacturing |
334511 |
| Angora goat farming |
112420 |
| Anhydrous ammonia manufacturing |
325311 |
| Anhydrous butterfat manufacturing |
311512 |
| Anidex fibers and filaments
manufacturing |
325222 |
| Aniline manufacturing |
325192 |
| Animal aquaculture (except finfish,
shellfish) |
112519 |
| Animal black manufacturing |
325182 |
| Animal breeders' associations |
813910 |
| Animal cemeteries |
812220 |
| Animal exhibits, live |
712130 |
| Animal fats (except poultry and small
game) produced in slaughtering plants |
311611 |
| Animal fats rendering |
311613 |
| Animal feed mills (except dog and cat)
manufacturing |
311119 |
| Animal feed mills, dog and cat,
manufacturing |
311111 |
| Animal feeds (except pet food) merchant
wholesalers |
424910 |
| Animal feeds, prepared (except dog and
cat), manufacturing |
311119 |
| Animal feeds, prepared, dog and cat,
manufacturing |
311111 |
| Animal fiber yarn twisting or winding of
purchased yarn |
313112 |
| Animal grooming services |
812910 |
| Animal hair merchant wholesalers |
424590 |
| Animal hospitals |
541940 |
| Animal oil rendering |
311613 |
| Animal quarantine service, government |
926140 |
| Animal rights organizations |
813312 |
| Animal safari parks |
712130 |
| Animal semen banks |
115210 |
| Animal shelter and clinic construction |
236220 |
| Animal shelters |
812910 |
| Animal trapping, commercial |
114210 |
| Animal traps, metal (except wire),
manufacturing |
332999 |
| Animal welfare associations or leagues |
813312 |
| Animal-drawn vehicles and parts
manufacturing |
336999 |
| Animated cartoon artists, independent |
711510 |
| Animated cartoon distribution |
512120 |
| Animated cartoon production |
512110 |
| Animated cartoon production and
distribution |
512110 |
| Anise oil manufacturing |
325998 |
| Anklets, sheer hosiery or socks,
knitting or knitting and finishing |
315119 |
| Annato extract manufacturing |
325191 |
| Annealing metals and metal products for
the trade |
332811 |
| Annealing vats, heavy gauge metal,
manufacturing |
332420 |
| Announcers, independent radio and
television |
711510 |
| Annuities underwriting |
524113 |
| Annular ball bearings manufacturing |
332991 |
| Annunciators, relay and solid-state
types, industrial display, manufacturing |
334513 |
| Anodizing equipment manufacturing |
333298 |
| Anodizing metals and metal products for
the trade |
332813 |
| Answering machines, telephone, merchant
wholesalers |
423620 |
| Answering services, telephone |
561421 |
| Ant poisons manufacturing |
325320 |
| Antacid preparations manufacturing |
325412 |
| Antenna, household-type, installation |
238290 |
| Antennas merchant wholesalers |
423690 |
| Antennas, satellite, manufacturing |
334220 |
| Antennas, transmitting and receiving,
manufacturing |
334220 |
| Anthelmintic preparations manufacturing |
325412 |
| Anthracene manufacturing |
325192 |
| Anthracite beneficiating (e.g.,
crushing, screening, washing, cleaning, sizing) |
212113 |
| Anthracite mine tunneling on a contract
basis |
213113 |
| Anthracite mining and/or beneficiating |
212113 |
| Anthracite mining services (except site
preparation and related construction contractor activities) on a contract basis |
213113 |
| Anthraquinone dyes manufacturing |
325132 |
| Antiaircraft artillery manufacturing |
332995 |
| Antibacterial preparations manufacturing |
325412 |
| Antibiotic preparations manufacturing |
325412 |
| Antibiotics merchant wholesalers |
424210 |
| Antibiotics, uncompounded, manufacturing |
325411 |
| Anticholinergics, uncompounded,
manufacturing |
325411 |
| Anticonvulsants, uncompounded,
manufacturing |
325411 |
| Antidepressant preparations
manufacturing |
325412 |
| Antidepressants, uncompounded,
manufacturing |
325411 |
| Antifreeze merchant wholesalers |
424690 |
| Antifreeze preparations manufacturing |
325998 |
| Antigens manufacturing |
325414 |
| Antihistamine preparations manufacturing |
325412 |
| Antimony based pigments manufacturing |
325131 |
| Antimony concentrates mining and/or
beneficiating |
212299 |
| Antimony ores mining and/or
beneficiating |
212299 |
| Antimony oxide (except pigments)
manufacturing |
325188 |
| Antimony refining, primary |
331419 |
| Antineoplastic preparations
manufacturing |
325412 |
| Antiperspirants, personal, manufacturing |
325620 |
| Antipoverty advocacy organizations |
813319 |
| Antipyretic preparations manufacturing |
325412 |
| Antique and classic automotive
restoration |
811121 |
| Antique auto dealers |
441120 |
| Antique book merchant wholesalers |
424920 |
| Antique dealers (except motor vehicles) |
453310 |
| Antique furniture merchant wholesalers |
423210 |
| Antique furniture repair and restoration
shops |
811420 |
| Antique homefurnishing merchant
wholesalers |
423220 |
| Antique houseware merchant wholesalers |
423220 |
| Antique jewelry merchant wholesalers |
423940 |
| Antique shops |
453310 |
| Antiscald bath and shower valves,
plumbing, manufacturing |
332913 |
| Antiscaling compounds manufacturing |
325998 |
| Antiseptic preparations manufacturing |
325412 |
| Antiseptics merchant wholesalers |
424210 |
| Antiserums manufacturing |
325414 |
| Antispasmodic preparations manufacturing |
325412 |
| Antisubmarine projectors manufacturing |
332995 |
| Antitank rocket launchers manufacturing |
332995 |
| Antitoxins manufacturing |
325414 |
| Antivenoms manufacturing |
325414 |
| Apartment building construction general
contractors |
236116 |
| Apartment building operative builders |
236117 |
| Apartment building rental or leasing |
531110 |
| Apartment hotel rental or leasing |
531110 |
| Apartment managers' offices |
531311 |
| Apartment rental or leasing |
531110 |
| Apatite mining and/or beneficiating |
212392 |
| Aplite mining and/or beneficiating |
212325 |
| Apothecaries |
446110 |
| Apparatus wire and cord (except
aluminum, copper) made from purchased nonferrous metals (except aluminum, copper) in wire drawing plants |
331491 |
| Apparatus wire or cord made from
purchased copper in wire drawing plants |
331422 |
| Apparatus wire or cord made in aluminum
wire drawing plants |
331319 |
| Apparel accessory stores |
448150 |
| Apparel fillings (e.g., cotton mill
waste, kapok) manufacturing |
314999 |
| Apparel findings and trimmings cut and
sewn from purchased fabric (except apparel contractors) |
315999 |
| Apparel folding and packaging services |
561910 |
| Apparel pressing services |
812320 |
| Apparel stores, children's and infants'
clothing |
448130 |
| Apparel stores, men's and boys' clothing |
448110 |
| Apparel stores, used clothing |
453310 |
| Apparel stores, women's and girls'
clothing |
448120 |
| Apparel trimmings and findings, men's
and boys', cut and sew apparel contractors |
315211 |
| Apparel trimmings and findings, women's,
girls', and infants', cut and sew apparel contractors |
315212 |
| Apparel trimmings merchant wholesalers |
424310 |
| Apparel webbings manufacturing |
313221 |
| Apparel, fur (except apparel
contractors), manufacturing |
315292 |
| Apparel, fur, men's and boys', cut and
sew apparel contractors |
315211 |
| Apparel, fur, women's, girls', and
infants', cut and sew apparel contractors |
315212 |
| Apparel, men's and boys', cut and sew
apparel contractors |
315211 |
| Apparel, women's, girls', and infants',
cut and sew contractors |
315212 |
| Apple orchards |
111331 |
| Applejack distilling |