U.S. Census Bureau
 Industry and Occupation



View Census 2000 Classified Index of Industries Mapped to NAICS - Sorted by NAICS Code
North American Industry Classification System Agriculture, Forestry, Fishing, and Hunting Mining Utilities Construction Manufacturing Wholesale Trade Retail Trade Transportation and Warehousing Information Finance and Insurance Real Estate and Rental and Leasing Professional, Scientific, and Technical Services Management, Administrative and Support, and Waste Management Services Educational Services Health Care and Social Assistance Arts, Entertainment, and Recreation Accomodations and Food Services Other Services (Except Public Administration) Public Administration and Active Duty Military
54 | Professional, Scientific, and Technical Services
NAICS CODE INDUSTRY TITLE CENSUS INDUSTRY
CODE
541110 Attorney's office 727
541110 Counselor at law's office 727
541110 Justice of the Peace PR 727
541110 Law firm 727
541110 Law office 727
541110 Lawyer's office 727
541110 Legal aid agency 727
541110 Legal aid services 727
541110 Legal service 727
541110 Patent agents 727
541110 Referee in bankruptcy 727
541110 Self employed, with occ. attorney 727
541110 Self employed, with occ. lawyer 727
541191 Abstract office 727
541191 Land title co. 727
541191 Real estate title examining co. 727
541191 Record searcher, title 727
541191 Self employed, with occ. abstracter 727
541191 Self employed, with occ. title searcher 727
541191 Title abstract co. 727
541191 Title and trust co. 727
541191 Title searching 727
541199 Agency, patent 727
541199 Bankruptcy referee 727
541199 Notary public's office 727
541199 Paralegal services 727
541199 Patent solicitors 727
541199 Process servers services 727
541199 Self employed, with occ. notary public 727
541199 Self employed, with occ. process server 727
541211 Accountant's office 728
541211 Accounting firm, CPA 728
541211 Accounting service, CPA 728
541211 Auditing service 728
541211 C.P.A. (Certified public accountant's office) 728
541211 Certified public accountant's office 728
541211 Certified public accounting firm 728
541211 Public accountant's office, CPA 728
541211 Public accounting firm, CPA 728
541211 Self employed, with occ. C.P.A. (certified public accountant) 728
541211 Self employed, with occ. auditor 728
541211 Self employed, with occ. certified public accountant 728
541211 Self employed, with occ. tax consultant 728
541213 Income tax return preparation service 728
541213 Income tax service 728
541213 Tax accounting service 728
541213 Tax consultation service 728
541213 Tax preparation 728
541213 Tax return preparation service 728
541214 Payroll accounting service 728
541214 Payroll service 728
541214 Tabulating service, exc. computer 728
541214 Talent payment services 728
541219 Accountant's office, exc. CPA 728
541219 Accounting firm, exc. CPA 728
541219 Accounting service, exc. CPA 728
541219 Billing service 728
541219 Bookkeeping service 728
541219 Consulting accounting 728
541219 Public accounting firm, exc. CPA 728
541219 Self employed, with occ. accountant 728
541219 Self employed, with occ. bookkeeper 728
541310 Architect's office 729
541310 Architects and engineering 729
541310 Architectural engineering 729
541310 Architectural service 729
541310 Commercial architect 729
541310 Consulting architect's office 729
541310 Self employed, with occ. architect 729
541320 Architect's offices, landscape 729
541320 Architectural services, landscape 729
541320 City urban renewal planning PR 729
541320 Garden planning 729
541320 Horticultural services, landscape architects and planning 729
541320 Industrial analysis 729
541320 Land use planning service 729
541320 Landscape architects 729
541320 Landscape consulting service 729
541320 Landscape design service 729
541320 Landscape planning service 729
541320 Self employed, with occ. landscape architect 729
541320 Urban planning or urban renewal PR 729
541320 Urban planning service 729
541330 Boat designing 729
541330 City Engineering, Bureau of 729
541330 City engineer's office 729
541330 Civil engineer's office 729
541330 Civil engineer, consulting 729
541330 Consulting civil engineer's office 729
541330 Consulting engineer's office 729
541330 Defense contractor, exc. manufacturing 729
541330 Designing architect's office 729
541330 Designing engineer's office 729
541330 Designing service, machine 729
541330 Electrical engineering co. 729
541330 Engineer consulting 729
541330 Engineering and surveying 729
541330 Engineering co., consulting 729
541330 Engineering consultants 729
541330 Engineering service, professional 729
541330 Geological exploration for coal, metal, and other minerals 729
541330 Industrial designing of machinery 729
541330 Industrial engineering service 729
541330 Machine designing service 729
541330 Marine engineering, consulting 729
541330 Marine engineering, designing 729
541330 Marine surveyors 729
541330 Mechanical engineering 729
541330 Safety engineer's office 729
541330 Self employed, with occ. aeronautical engineer 729
541330 Self employed, with occ. chemical engineer 729
541330 Self employed, with occ. civil engineer 729
541330 Self employed, with occ. electrical engineer 729
541330 Self employed, with occ. industrial engineer 729
541330 Self employed, with occ. mechanical engineer 729
541330 Self employed, with occ. metallurgical engineer 729
541330 Self employed, with occ. mining engineer 729
541330 State Engineering Department 729
541330 Television cable engineering service 729
541330 Traffic consultant's office 729
541330 Traffic engineering consulting services 729
541330 U.S. Corps of Engineers (const.) 729
541330 U.S. Engineers, Government Fleet (const.) 729
541330 U.S. Post Engineers (const.) 729
541330 Valuation engineer's office 729
541340 Blueprint drafting service 729
541340 Drafting service 729
541340 Map drafting service 729
541350 Inspection service \ any not listed 729
541350 Inspection service, x-ray 729
541360 Aerial geophysical exploration (ext.) 729
541360 Geological exploration, gas (ext.) 729
541360 Geological exploration, oil (ext.) 729
541360 Geophysical co. (ext.) 729
541360 Geophysical survey, oil (ext.) 729
541360 Geophysicist's office 729
541360 Methods analysis 729
541360 Surveying service 729
541370 Aerial map service 729
541370 Aerial surveying 729
541370 Cartography service 729
541370 Land surveying 729
541370 Map service, aerial 729
541370 Mapping co. 729
541370 Oil research boat 729
541370 Surveying co. 729
541370 Surveyor's office 729
541370 Surveyors, marine 729
541370 Topographical survey 729
541380 Assay office 729
541380 Assaying service 729
541380 Auto proving and testing grounds 729
541380 Electronic engineering firm 729
541380 Environmental testing service 729
541380 Food testing service 729
541380 Gage calibration and certification, testing 729
541380 Laboratory seed testing 729
541380 Laboratory testing service 729
541380 Laboratory, electrical non-manufacturing 729
541380 Laboratory, fire underwriters 729
541380 Laboratory, radiation detection 729
541380 Metallurgical research 729
541380 Metallurgical testing laboratory 729
541380 Produce sampling service 729
541380 Radiation laboratory 729
541380 Testing laboratory, service, exc. medical or veterinary 729
541380 U.S. Assay Office 729
541380 X-ray inspection service 729
5414 Designing service, exc. machine design 737
541410 Decorating, interior, consulting service 737
541410 Interior decorating consulting, service 737
541410 Interior designing, home 737
541410 Self employed, with occ. interior design or decorating 737
541410 Wallpaper designing service 737
541420 Furniture designing service 737
541420 Hand tool design 737
541420 Industrial designing 737
541420 Tool designing service 737
541430 Art studio, commercial 737
541430 Art studio, medical 737
541430 Artist, medical 737
541430 Artists' studio, commercial 737
541430 Artists' studio, medical 737
541430 Commercial art co., exc. selling art 737
541430 Commercial art studio 737
541430 Commercial artists' studio 737
541430 Computer graphics 737
541430 Film strip production 737
541430 Free lance artist, commercial 737
541430 Graphic arts 737
541430 Graphic design 737
541430 Illustration service 737
541430 Illustration service, medical 737
541430 Medical artist or illustrator 737
541430 Monogramming service 737
541430 Self employed, with occ. artist, commercial 737
541430 Self employed, with occ. artist, medical 737
541430 Self employed, with occ. commercial artist 737
541430 Silk screen designing 737
541430 Silk screen studio 737
541490 Convention decorators 737
541490 Dress designing service 737
541490 Fashion consulting 737
541490 Fashion designing 737
541490 Hand painting on textiles 737
541490 Rug designing service 737
541490 Self employed, with occ. textile designer 737
541490 Shoe designing 737
541490 Special event decoration service 737
541490 Textile designing service 737
541490 Textile painting, hand 737
5415 Computer service bureau 738
5415 Computer services 738
5415 Consulting, computer 738
541511 Computer code authors 738
541511 Computer programing service 738
541511 Computer software development 738
541511 Computer software services (installation and other) 738
541511 Computer software writers, free lance 738
541511 Software programming, custom 738
541511 Website 738
541511 Website development 738
541512 CAD/CAM systems services 738
541512 Computer consultants 738
541512 Computer-aided design (CAD) systems service 738
541512 Computer-aided engineering (CAE) systems design 738
541512 Computer-aided manufacturing systems (CAM) service 738
541512 Information technology 738
541512 Local area network (LAN) systems integrators 738
541512 Network systems integration, computer 738
541512 Office automation installation 738
541513 Computer center 738
541513 Computer facilities management service 738
541513 Data base developers 738
541519 Computer data security 738
541519 Software development 738
541519 Software service, computer 738
5416 Consulting \ any not listed 739
5416 Consulting firm 739
54161 Economics consulting 739
54161 Management information systems (MIS) consultants 739
541611 Business analyzing service 739
541611 Business consultant's office 739
541611 Corporation organizers 739
541611 Management consultant 739
541611 Merchandising counsel 739
541611 Pension consultants 739
541611 Planning consultants' 739
541611 Promoters, business service 739
541611 Promotion co., business service 739
541611 Self employed, with occ. management consultant 739
541612 Actuarial bureau 739
541612 Actuary's office 739
541612 Compensation consulting service 739
541612 Consulting actuarys' office 739
541612 Employee benefit consulting service 739
541612 Executive placing service 739
541612 Labor conciliation service, exc. state 739
541612 Labor relations consulting service 739
541612 Personnel management 739
541613 Calculating service, exc. computer 739
541613 Head hunter service 739
541613 Management consulting service 739
541613 Marketing consulting 739
541613 Reorganization service, business 739
541613 Sales advisory service 739
541613 Sales consultant's office 739
541613 Sales engineers 739
541613 Sales management service 739
541613 Sales promotion service 739
541614 Efficiency expert's office 739
541614 Freight rate consulting service 739
541614 Freight rate service 739
541614 Operations research consulting service 739
541614 Self employed, with occ. efficiency expert 739
541614 Traffic rate service 739
541618 MIS (Management Information Systems) consultants 739
541618 Self employed, with occ. actuary 739
541620 Self employed, with occ. geologist 739
541620 Self employed, with occ. home economist 739
541690 Chemist, consulting 739
541690 Consulting chemists' office 739
541690 Geologists, consulting 739
541690 Horticultural consulting service 739
541690 Motion picture consultants 739
541690 Radio consultants 739
541690 Safety consulting service 739
541690 Security consulting service 739
541690 Self employed, with occ. biochemist 739
541690 Self employed, with occ. consultant \ n.s. 739
541690 Self employed, with occ. entomologist 739
541690 Self employed, with occ. horticulturist 739
541690 Self employed, with occ. inventor 739
541690 Self employed, with occ. physicist 739
5417 Academy of Sciences 746
5417 Brookings Institution 746
5417 Research \ n.s. or any not listed 746
5417 Research agency 746
5417 Research and development services 746
5417 Research foundation 746
5417 Research laboratory 746
5417 U.S. Academy of Sciences 746
5417 U.S. National Science Foundation 746
541710 Agricultural college, experimental station 746
541710 Agricultural experimental station 746
541710 Agricultural research 746
541710 Aircraft research and development 746
541710 American Cancer Society, research 746
541710 American Heart Association, research 746
541710 Ames Research Center 746
541710 Biomedical research 746
541710 Biotechnology laboratory \ n.s. 746
541710 Biotechnology laboratory, non-manufacturing 746
541710 Cancer Association, research 746
541710 Cancer Society, research 746
541710 Cancer research 746
541710 Cancer research laboratory 746
541710 Carnegie Institute 746
541710 Cerebral palsy, research 746
541710 Crippled Childrens' Society, research 746
541710 Cystic Fibrosis Foundation, research 746
541710 Engineering research 746
541710 Farm research, crop or grain 746
541710 Food research service 746
541710 Guided missile and space vehicle engine research and development 746
541710 Guided missile and space vehicle parts research and development 746
541710 Heart Association, research 746
541710 Jet propulsion research foundation 746
541710 Laboratory, analytical 746
541710 Laboratory, chemical non-manufacturing 746
541710 Laboratory, engineering non-manufacturing 746
541710 Laboratory, industrial non-manufacturing 746
541710 Laboratory, jet propulsion 746
541710 Laboratory, pharmaceutical non-manufacturing 746
541710 Leukemia Society of America 746
541710 Lung Association, research 746
541710 March of Dimes, research 746
541710 Mine assaying service 746
541710 Primate research 746
541710 Research agency, scientific 746
541710 Research, aerospace 746
541710 Research, atomic 746
541710 Research, biomedical 746
541710 Research, industrial 746
541710 Research, nuclear 746
541710 Research, scientific 746
541710 Scientific research agency 746
541710 Space vehical research and development 746
541710 T. B. Association, research 746
541710 T. B. League 746
541710 Tests, prepared for school and industry 746
541710 Tuberculosis association, research 746
541710 U.S. Ames Research Center 746
541710 U.S. David Taylor Model Basin 746
541710 U.S. E.R.D.A. (Energy Research and Development Administration) 746
541710 U.S. Electronics Research Center 746
541710 U.S. Energy Research and Development Administration 746
541710 U.S. Flight Research Center 746
541710 U.S. Harry Diamond Laboratory 746
541710 U.S. Jet Propulsion Laboratory 746
541710 U.S. Langley Research Center 746
541710 U.S. Lawrence Radiation Laboratory 746
541710 U.S. National Institutes of Health, medical research 746
541710 U.S. Naval Air Development Center 746
541710 U.S. Naval Applied Science Laboratory 746
541710 U.S. Naval Civil Engineering Laboratory 746
541710 U.S. Naval Electronic Laboratory 746
541710 U.S. Naval Engineering Experiment Station 746
541710 U.S. Naval Mine Defense Laboratory 746
541710 U.S. Naval Oceanographic Office 746
541710 U.S. Naval Ordnance Laboratory 746
541710 U.S. Naval Radiological Defense Laboratory 746
541710 U.S. Naval Research Laboratory 746
541710 U.S. Naval Ship Research and Development Center 746
541710 U.S. Naval Underwater Sound Laboratory 746
541710 U.S. Naval Underwater Warfare Center 746
541710 U.S. Naval Underwater Weapons Research and Engineering Center 746
541710 U.S. Naval Weapons Laboratory 746
541710 U.S. Research Council 746
541710 U.S. Taylor, David, Model Basin 746
541710 U.S. Wallops Station 746
541710 U.S. agricultural experimental farm or station 746
541720 Aptitude testing 746
541720 Archeological expeditions 746
541720 Archeologist's office 746
541720 Business economist's office 746
541720 Business research service 746
541720 Educational research agency 746
541720 Multiple Sclerosis Society, research 746
541720 Muscular Dystrophy Association, research 746
541720 National Bureau of Economic Research 746
541720 Observatory, exc. U.S. Naval 746
541720 Planned Parenthood Association, exc. clinic 746
541720 Psychological research and development services 746
541720 Psychological test center 746
541720 Psychologist's office, exc. clinical 746
541720 Social Research Agency 746
541720 Social Science Research Agency 746
541720 Statistical research agency 746
541810 Advertising \ n.s. 747
541810 Advertising agency 747
541810 Advertising company 747
541810 Advertising copy, writers of 747
541810 Agency, advertising 747
541810 Car advertising co. 747
541810 Commercial advertising co. 747
541810 Motion picture advertising co. 747
541810 Motion picture advertising service 747
541810 Publicity bureau 747
541810 Publicity counselors 747
541820 Lobbying 747
541820 Public advertising service 747
541820 Public relations advisory service 747
541820 Public relations counselors 747
541840 Radio advertising 747
541840 Radio representatives 747
541840 Radio time sales, exc. by radio station 747
541840 Television advertising service 747
541840 Television time sales 747
541850 Advertising billboard 747
541850 Advertising, aerial 747
541850 Advertising, outdoor 747
541850 Aerial advertising 747
541850 Billboard advertising 747
541850 Bus card advertising co. 747
541850 Card advertising service 747
541850 Display co., advertising 747
541850 Outdoor advertising 747
541850 Poster advertising service 747
541850 Sky writing 747
541860 Direct mail advertising 747
541860 Mail advertising service 747
541870 Circular distributing 747
541870 Coupon distribution 747
541870 Directory distribution 747
541870 Distributing circulars, advertising 747
541870 Distributing samples, advertising 747
541870 Distribution service, advertising circulars 747
541870 Distribution service, hand bills 747
541870 Distribution service, samples 747
541870 Handbill distribution service 747
541870 Sample distribution service 747
541870 Telephone directory distribution, exc. by telephone co. 747
541890 Advertising news, advertising or distributing 747
541890 Advertising specialty, e.g., keychain, magnet, pen 747
541890 Bill posting 747
541890 Car carding service 747
541890 Commercial sign shop 747
541890 Demonstration service 747
541890 Lettering service 747
541890 Mannequin service 747
541890 Newcomers welcoming service 747
541890 Painted signs, to order 747
541890 Self employed, with occ. sign painter 747
541890 Self employed, with occ. window dresser 747
541890 Shopping news, advertising and distributing 747
541890 Showcard painting 747
541890 Sign co., exc. installation 747
541890 Sign lettering shop 747
541890 Sign painting shop 747
541890 Sign, sales 747
541890 Signs, custom made 747
541890 Signs, painted to order 747
541890 Street banner erections 747
541890 Street decorating service 747
541890 Welcome wagon service 747
541890 Window display service 747
541890 Window dressing service 747
541890 Window trimming service 747
541910 Market forecasting service 749
541910 Market reporting agency 749
541910 Market research service 749
541910 Opinion polls 749
541910 Opinion polls, research and services 749
541910 Public opinion polls 749
541910 Public opinion research 749
541910 Radio opinion poll 749
541910 Radio program rating 749
541910 Radio rating co. 749
541910 Sampling service 749
541910 Sampling services, statistical 749
541910 Statistical sampling services 749
541910 Statistical service for business, exc. sampling or tabulating 749
541910 Survey, business agency 749
541910 Surveys, for business location 749
541910 TV program rating service 749
541910 Telephone survey co. 749
541910 Television program rating service 749
54192 Printing photographs 749
541921 Photo studio 749
541921 Photograph gallery 749
541921 Photograph retouching 749
541921 Photograph studio 749
541921 Photographic studio 749
541921 Photography coloring 749
541921 Photography, computer 749
541921 Photography, portrait 749
541921 Photography, video 749
541921 Portrait studio, photographic 749
541922 Aerial photography co. 749
541922 Commercial photography studio 749
541922 Medical photography 749
541922 Photo studio, commercial 749
541922 Photograph studio, commercial or portrait 749
541922 Photographic studio, commercial or portrait 749
541922 Photography \ any not listed 749
541922 Photography studio 749
541922 Photography, aerial 749
541922 Photography, commercial or portrait 749
541922 Photography, medical 749
541922 Self employed, with occ. photographer, commercial or portrait 749
541930 Interpretation services 749
541930 Sign language services 749
541930 Translation service 749
541940 Animal clinic 748
541940 Animal hospital 748
541940 Cat hospital 748
541940 Dog hospital 748
541940 Hospital, animal 748
541940 Livestock inspecting and testing, veterinary 748
541940 Pet clinic 748
541940 Pet hospital 748
541940 Self employed, with occ. veterinarian 748
541940 Self employed, with occ. veterinary 748
541940 Small animal hospital 748
541940 Testing laboratories or services, veterinary 748
541940 Veterinarians 748
541940 Veterinarians' offices 748
541940 Veterinary clinic 748
541940 Veterinary hospital 748
541940 Veterinary surgeon's office 748
541940 Veterinary testing service 748
541990 Appraisers, exc. real estate or insurance 749
541990 Arbitration service 749
541990 Artificial nucleation 749
541990 Broker, patent 749
541990 Cloud seeding 749
541990 Commodity inspection service, exc. transportation 749
541990 Conciliation service PR 749
541990 Cotton inspection service 749
541990 Geologists \ n. s. 749
541990 Grain sampling 749
541990 Handwriting analysis service 749
541990 Handwriting expert services 749
541990 Marine reporting 749
541990 Meteorological service 749
541990 National weather broadcasting 749
541990 Outplacement services 749
541990 Patent brokers 749
541990 Patent protective service 749
541990 Patrol service, exc. security 749
541990 Produce inspection service 749
541990 Professional service 749
541990 Rain maker 749
541990 Weather forecasting 749
541990 Weather forecasting services 749
541990 Weather modification 749
541990 Weather service 749

North American Industry Classification System Agriculture, Forestry, Fishing, and Hunting Mining Utilities Construction Manufacturing Wholesale Trade Retail Trade Transportation and Warehousing Information Finance and Insurance Real Estate and Rental and Leasing Professional, Scientific, and Technical Services Management, Administrative and Support, and Waste Management Services Educational Services Health Care and Social Assistance Arts, Entertainment, and Recreation Accomodations and Food Services Other Services (Except Public Administration) Public Administration and Active Duty Military


Contact the Demographic Call Center Staff at 301-763-2422 or 1-866-758-1060 (toll free) or visit ask.census.gov for further information.

Source: U.S. Census Bureau, Housing and Household Economic Statistics Division
Last Revised: September 21, 2009