This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
This class includes items which are designed for the direct conversion of solar energy into electrical power.
Possible NAICS Codes
221114 – Solar Electric Power Generation
335121 – Residential Electric Lighting Fixture Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
334413 – Semiconductor and Related Device Manufacturing
335122 – Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
335911 – Storage Battery Manufacturing
237130 – Power and Communication Line and Related Structures Construction
326122 – Plastics Pipe and Pipe Fitting Manufacturing