Review our NAICS Codes.

Information Technology Services

• 518210 Data Processing, Hosting, and Related Services
• 541330 Engineering Services
• 541511 Custom Computer Programming Services
• 541512 Computer Systems Design Services
• 541513 Computer Facilities Management Services
• 541519 Other Computer Related Services

Management Consulting Services

• 524292 Benefit Management / Administration Of Insurance And Pension Funds
• 541110 Offices Of Lawyers
• 541199 All Other Legal Services
• 541611 Administrative Management and General Management Consulting Services
• 541612 Human Resources Consulting Services
• 541613 Marketing Consulting Services
• 541614 Process, Physical Distribution, and Logistics Consulting Services
• 541618 Other Management Consulting Services
• 541690 Other Scientific and Technical Consulting Services
• 541850 Indoor And Outdoor Display Advertising
• 541990 All Other Professional, Scientific, and Technical Services

Architectural, Engineering, and Environmental Services

• 541310 Architectural Services
• 541350 Building Inspection Services
• 541360 Geophysical Surveying And Mapping Services
• 541370 Surveying And Mapping (Except Geophysical) Services
• 541380 Testing Laboratories And Services
• 541620 Environmental Consulting Services

Transportation and Logistics Services

• 336611 Ship Building And Repairing
• 488190 Other Support Activities for Air Transportation
• 488999 All Other Support Activities for Transportation

Remediation and Laboratory Services

• 562910 Remediation Services
• 621511 Medical Laboratories

Communication and Training Services

• 541430 Graphic Design Services
• 541810 Advertising Agencies
• 541820 Public Relations Agencies
• 541890 Other Services Related to Advertising
• 541910 Marketing Research and Public Opinion Polling
• 561410 Document Preparation Services
• 611420 Computer Training
• 611430 Professional and Management Development Training
• 611710 Educational Support Services
• 541830 Media Buying Agencies
• 541840 Media Representatives
• 541860 Direct Mail Advertising
• 541870 Advertising Material Distribution Services
• 611512 Flight Training
• 611699 All Other Miscellaneous Schools and Instruction

Administrative Services

• 493110 General Warehousing And Storage
• 541214 Payroll Services
• 541219 Other Accounting Services
• 561110 Office Administrative Services
• 561210 Facilities Support Services
• 561311 Employment Placement Agencies
• 561312 Executive Search Services
• 561320 Temporary Help Services
• 561330 Professional Employer Organizations
• 561421 Telephone Answering Services
• 561422 Telemarketing Bureaus And Other Contact Centers
• 561499 All Other Business Support Services
• 921190 Other General Government Support