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.
Engine, Turbine, Wind, and Hand Driven Generator Sets and Auxiliary Aircraft Generators.
Motor-Converters: Motor-Generator Sets; Engine Generators; Engine Accessory Generators.
Possible NAICS Codes
335312 – Motor and Generator Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
332991 – Ball and Roller Bearing Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
333613 – Mechanical Power Transmission Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing