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2002 NAICS Matched to 1987 SIC
Professional, Scientific and Technical Services

Industry
detail
2002
NAICS
2002 U.S. NAICS Description
Go to NAICS 541 categories 541 Professional, Scientific, and Technical Services
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541   Professional, Scientific, and Technical Services
2002
NAICS
2002 NAICS U.S. Description
(with link to definition)
Com-
para-
bility
1987
SIC
1987 U.S. SIC Description
(with link to definition)
541 Professional, Scientific, and Technical Services  
5411 Legal Services  
54111 Offices of Lawyers  
541110 Offices of Lawyers Comparable 8111 Legal Services
54112 Offices of Notaries  
541120 Offices of Notaries   Null Set for U.S.
54119 Other Legal Services  
541191 Title Abstract and Settlement Offices Comparable 6541 Title Abstract Offices
541199 All Other Legal Services Not comparable 7389 Business Services, NEC (Process services, patent agents, notaries public, paralegal services)
5412 Accounting, Tax Preparation, Bookkeeping, and Payroll Services  
54121 Accounting, Tax Preparation, Bookkeeping, and Payroll Services  
541211 Offices of Certified Public Accountants Not comparable 8721 Accounting, Auditing, and Bookkeeping Services (Auditing accountants)
541213 Tax Preparation Services Comparable 7291 Tax Return Preparation Services
541214 Payroll Services Not comparable
      7819 Services Allied to Motion Picture Production (Talent payment services)
      8721 Accounting, Auditing, and Bookkeeping Services (Payroll services)
541219 Other Accounting Services Not comparable 8721 Accounting, Auditing, and Bookkeeping Services (Other accounting services)
5413 Architectural, Engineering, and Related Services  
54131 Architectural Services  
541310 Architectural Services Comparable 8712 Architectural Services
54132 Landscape Architectural Services  
541320 Landscape Architectural Services  
      0781 Landscape Counseling and Planning (Except horticultural consulting)
      8748 Business Consulting Services, NEC (Urban planners and industrial development organizations)
54133 Engineering Services  
541330 Engineering Services Comparable
      8711 Engineering Services
      8748 Business Consulting Services, NEC (Traffic consultants)
54134 Drafting Services  
541340 Drafting Services Not comparable 7389 Business Services, NEC (Drafting service)
54135 Building Inspection Services  
541350 Building Inspection Services Not comparable 7389 Business Services, NEC (Home and building inspection services)
54136 Geophysical Surveying and Mapping Services  
541360 Geophysical Surveying and Mapping Services Not comparable
      1081 Metal Mining Services (Geophysical surveying and mapping)
      1382 Oil and Gas Field Exploration Services (Geophysical surveying and mapping)
      1481 Nonmetallic Minerals Services, Except Fuels (Geophysical surveying and mapping)
      8713 Surveying Services (Geophysical surveying)
54137 Surveying and Mapping (except Geophysical) Services  
541370 Surveying and Mapping (except Geophysical) Services Not comparable
      7389 Business Services, NEC (Map making services)
      8713 Surveying Services (Except geophysical surveying)
54138 Testing Laboratories  
541380 Testing Laboratories Comparable 8734 Testing Laboratories (Except veterinary testing laboratories)
5414 Specialized Design Services  
54141 Interior Design Services  
541410 Interior Design Services Not comparable 7389 Business Services, NEC (Interior design)
54142 Industrial Design Services  
541420 Industrial Design Services Not comparable 7389 Business Services, NEC (Industrial design)
54143 Graphic Design Services  
541430 Graphic Design Services Almost comparable
      7336 Commercial Art and Graphic Design
      8099 Health and Allied Services, NEC (Medical artists)
54149 Other Specialized Design Services  
541490 Other Specialized Design Services Not comparable 7389 Business Services, NEC (Fashion, furniture, and other design services)
5415 Computer Systems Design and Related Services  
54151 Computer Systems Design and Related Services  
541511 Custom Computer Programming Services Comparable 7371 Computer Programming Services
541512 Computer Systems Design Services Not comparable
      7373 Computer Integrated Systems Design
      7379 Computer Related Services, NEC (Computer systems consultants)
541513 Computer Facilities Management Services Comparable 7376 Computer Facilities Management Services
541519 Other Computer Related Services Not comparable 7379 Computer Related Services, NEC (Except computer systems consultants and disk conversion services)
5416 Management, Scientific, and Technical Consulting Services  
54161 Management Consulting Services  
541611 Administrative Management and General Management Consulting Services Not comparable 8742 Management Consulting Services (Administrative management and general management consulting)
541612 Human Resources and Executive Search Consulting Services Not comparable
      7361 Employment Agencies (Executive placement services)
      8742 Management Consulting Services (Human resources and personnel management consulting)
      8999 Services, NEC (Actuarial consulting)
541613 Marketing Consulting Services Not comparable 8742 Management Consulting Services (Marketing consulting)
541614 Process, Physical Distribution, and Logistics Consulting Services Not comparable
      4731 Arrangement of Transportation of Freight and Cargo (Freight rate-auditors and tariff consulting)
      8742 Management Consulting Services (Manufacturing management, physical distribution, and site location consulting)
541618 Other Management Consulting Services Not comparable 8748 Business Consulting Services, NEC (Except educational testing and consulting, economic consulting, safety and security, agriculture consulting, environmental consulting firms, urban planning and industrial developm
54162 Environmental Consulting Services  
541620 Environmental Consulting Services Not comparable 8999 Services, NEC (Environmental consultants)
54169 Other Scientific and Technical Consulting Services  
541690 Other Scientific and Technical Consulting Services Not comparable
      0781 Landscape Counseling and Planning (Horticulture consulting)
      7819 Services Allied to Motion Picture Production (Motion picture consulting)
      8748 Business Consulting Services, NEC (Safety, security, agriculture, and economic consultants)
      8999 Services, NEC (Scientific and related consulting services)
5417 Scientific Research and Development Services  
54171 Research and Development in the Physical, Engineering, and Life Sciences  
541710 Research and Development in the Physical, Engineering, and Life Sciences Comparable
      3721 Aircraft (Research and development not producing prototypes)
      3724 Aircraft Engines and Engine Parts (Research and development not producing prototypes)
      3728 Aircraft Parts and Auxiliary Equipment, NEC (Research and development not producing prototypes)
      3761 Guided Missiles and Space Vehicles (Research and development not producing prototypes)
      3764 Guided Missile and Space Vehicle Propulsion Units and Propulsion Unit Parts (Research and development not producing prototypes)
      3769 Guided Missile and Space Vehicle Parts and Auxiliary Equipment, NEC (Research and development not producing prototypes)
      8731 Commercial Physical and Biological Research
      8733 Noncommercial Research Organizations (Physical, engineering, and life sciences)
54172 Research and Development in the Social Sciences and Humanities  
541720 Research and Development in the Social Sciences and Humanities Not comparable
      8732 Commercial Economic, Sociological, and Educational Research (Social sciences and humanities)
      8733 Noncommercial Research Organizations (Social sciences and humanities)
5418 Advertising and Related Services  
54181 Advertising Agencies  
541810 Advertising Agencies Comparable 7311 Advertising Agencies
54182 Public Relations Agencies  
541820 Public Relations Agencies Comparable 8743 Public Relations Services
54183 Media Buying Agencies  
541830 Media Buying Agencies Not comparable 7319 Advertising, NEC (Media buying services)
54184 Media Representatives  
541840 Media Representatives Comparable 7313 Radio, Television, and Publishers' Advertising Representatives
54185 Display Advertising  
541850 Display Advertising Not comparable
      7312 Outdoor Advertising Services
      7319 Advertising, NEC (Display advertising, aerial advertising using special purpose aircraft, such as blimps)
54186 Direct Mail Advertising  
541860 Direct Mail Advertising Not comparable 7331 Direct Mail Advertising Services (Except mailing list compilers)
54187 Advertising Material Distribution Services  
541870 Advertising Material Distribution Services Not comparable
      7319 Advertising, NEC (Advertising materials distributor)
      7389 Business Services, NEC (Distribution of telephone directories on a fee or contract basis)
54189 Other Services Related to Advertising  
541890 Other Services Related to Advertising Not comparable
      5199 Nondurable Goods, NEC (Advertising specialties goods distributors)
      7319 Advertising, NEC (Except media buying, display advertising, except outdoor; and advertising material distributors)
      7389 Business Services, NEC (Sign painting and lettering, showcard painting, mannequin decorating service and other advertising related business services)
5419 Other Professional, Scientific, and Technical Services  
54191 Marketing Research and Public Opinion Polling  
541910 Marketing Research and Public Opinion Polling Not comparable 8732 Commercial Economic, Sociological, and Educational Research (Market research and opinion research)
54192 Photographic Services  
541921 Photography Studios, Portrait Comparable 7221 Photographic Studios, Portrait
541922 Commercial Photography Almost comparable
      7335 Commercial Photography (Except using general purpose aircraft for aerial photography and a variety of other services)
      8099 Health and Allied Services, NEC (Medical photography)
54193 Translation and Interpretation Services  
541930 Translation and Interpretation Services Not comparable 7389 Business Services, NEC (Translation and interpretation services)
54194 Veterinary Services  
541940 Veterinary Services  
      0741 Veterinary Services for Livestock
      0742 Veterinary Services for Animal Specialties
      8734 Testing Laboratories (Veterinary testing laboratories)
54199 All Other Professional, Scientific, and Technical Services  
541990 All Other Professional, Scientific, and Technical Services Not comparable
      4499 Water Transportation Services, NEC (Marine surveying services)
      7299 Miscellaneous Personal Services, NEC (Consumer credit and debt counseling services)
      7389 Business Services (Appraisers except insurance and real estate, outplacement services, and miscellaneous professional, scientific, and technical services)
      8999 Services, NEC (Weather forecasting services)
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Comparability Symbols link to the Bridge Between NAICS and SIC, 1997
(Bridge complete.) Comparable NAICS derivable from SIC data.
(Drawbridge slightly open.) Almost comparable Sales or receipts from SIC are within 3% of NAICS sales or receipts.
(Drawbridge open.) Not comparable NAICS sales or receipts cannot be estimated within 3% from SIC data.

Source: U.S. Census Bureau, NAICS Manual and 1997 Economic Census
Last revised: April 30 2003


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