Possible NAICS Codes
541310 – Architectural Services
541330 – Engineering Services
236220 – Commercial and Institutional Building Construction
212321 – Construction Sand and Gravel Mining
541519 – Other Computer Related Services
333120 – Construction Machinery Manufacturing
541990 – All Other Professional, Scientific, and Technical Services
221122 – Electric Power Distribution
236210 – Industrial Building Construction
237130 – Power and Communication Line and Related Structures Construction