NAICS Codes

• 519120 Libraries and Archives
• 519190 All Other Information Services
• 541330 Engineering Services
• 541511 Custom Computer Programming Services
• 541512 Computer Systems Design Services
• 541519 Other Computer Related 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
• 541720 Research and Development in the Social Sciences and Humanities
• 541890 Other Services Related to Advertising
• 541990 All Other Professional, Scientific, and Technical Services
• 561110 Office Administrative Services
• 561410 Document Preparation Services
• 561421 Telephone Answering Services
• 561431 Private Mail Centers
• 611430 Professional and Management Development Training
• 611710 Educational Support Services