NAICS CODES

541300 - Architectural and Engineering Services
541330 - Engineering Services including Cost Engineering
541611 - Management Consulting
541990 - Professional Scientific and Technical Consulting
541620 - Environmental Consulting Services
238210 - Electrical and Other Wiring
238220 - Plumbing, Heating, & Air-Conditioning Services
238150 - Glass and Glazing
561210 - Facilities Support Services
611430 - Professional and Management Development Training
811310 - Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance