Possible NAICS Codes
237130 – Power and Communication Line and Related Structures Construction
221114 – Solar Electric Power Generation
335311 – Power, Distribution, and Specialty Transformer Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
238910 – Site Preparation Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238120 – Structural Steel and Precast Concrete Contractors
237990 – Other Heavy and Civil Engineering Construction
221122 – Electric Power Distribution