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.
Electric Motor Operated Valves; Hydraulic Operated Valves; Solenoid Operated Valves.
Engine Intake and Exhaust valves;(FSC 2990, 2815); Valves specifically designed for use with fire fighting equipment,(FSC 4210); plumbing equipment, and the like (FSC 4540).
Possible NAICS Codes
332911 – Industrial Valve Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332919 – Other Metal Valve and Pipe Fitting Manufacturing
332912 – Fluid Power Valve and Hose Fitting Manufacturing
333618 – Other Engine Equipment Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
333120 – Construction Machinery Manufacturing
332991 – Ball and Roller Bearing Manufacturing