NAICS 236xxx Construction of Buildings


NAICS 2371xx Construction Management

237110 Construction Management (Water & Sewer Line)


NAICS 2373xx Construction Management

237310 Construction Management (Highway, street and bridge construction)


NAICS 2379xx Construction Management (Mass transit)

237990 Construction Management


NAICS 2362xxx Nonresidential Building Construction

236210 Industrial Building Construction

236220 Commercial and Institutional Building Construction


NAICS 336xxx Transportation Equipment Manufacturing
336510 Railroad Rolling Stock Manufacturing
33661 Ship Building and Repair


NAICS 514xxx Information and Data Processing Services
514210 Data Processing Services


NAICS 54xxxx Professional, Scientific & Technical Services
541330 Engineering Services
541380 Testing Laboratories
541511 Custom Computer Programming Services
541512 Computer Systems Design Services
541513 Computer Facilities Management Services
541614 Process, Physical Distribution and Logistics Services
541611 Administrative & General Management Consulting Services
541820 Public Relations Agencies
541710 Research & Development in the Physical, Engineering & Life Sciences


NAICS 5413xxx Architectural, Engineering, and Related Services

541310 Architectural Services

541340 Drafting Services

541350 Building Inspection Services


NAICS 541xxx Construction Inspection, Civil Engineering

541330 Construction Inspection, Civil Engineering


NAICS 5414xxx Specialized Design Services

541410 Interior Design Services

541430 Graphic Design Services


NAICS 5416xxx Management, Scientific, and Technical Consulting Services

541620 Environmental Consulting Services

541690 Other Scientific and Technical Consulting Services


NAICS 5419xxx Other Professional, Scientific, and Technical Services

541990 All Other Professional, Scientific, and Technical Services


NAICS 5612xxx Facilities Support Services

561210 Facilities Support Services


NAICS 561xxx Document Preparation Services


561410 Document Preparation Services (Editing and proofreading services)


NAICS 611xxx Educational Services
611513 Apprenticeship Training
611691 Exam Preparation & Tutoring
611710 Educational Support Services


NAICS 611xxx Quality Assurance training

611430 Quality Assurance training


NAICS 811xxx Repair & Maintenance
811219 Other Electronic and Precision Equipment Repair & Maintenance