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.
Ammunition, over 125 mm
Components, except Fuzes and Primers; Chemical Warfare Projectiles.
Fuzes and Primers.
Possible NAICS Codes
332993 – Ammunition (except Small Arms) Manufacturing
332992 – Small Arms Ammunition Manufacturing
325920 – Explosives Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing
325211 – Plastics Material and Resin Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
211130 – Natural Gas Extraction
541614 – Process, Physical Distribution, and Logistics Consulting Services
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing