Commercial and Institutional Building Construction 236220 • 12%
Other Heavy and Civil Engineering Construction 237990 • 12%
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541715 • 8%
Plumbing, Heating, and Air-Conditioning Contractors 238220 • 8%
Janitorial Services 561720 • 4%
Architectural Services541310 • 4%
Highway, Street, and Bridge Construction 237310 • 4%
Administrative Management and General Management Consulting Services 541611 • 4%
Water and Sewer Line and Related Structures Construction 237110 • 4%
Electrical Contractors and Other Wiring Installation Contractors238210 • 4%
All Other Professional, Scientific, and Technical Services541990 • 4%
NAICS Code 523930523930 • 4%
Other Building Equipment Contractors 238290 • 4%
Landscape Architectural Services541320 • 4%
Motion Picture and Video Production 512110 • 4%
Office Administrative Services561110 • 4%
Food Service Contractors722310 • 4%
Professional and Management Development Training 611430 • 4%
All Other Support Services561990 • 4%
