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.
Guided Missile Subsystems.
This class includes only complete guided missile systems. Anything less than a complete system, such as individual end items, assemblies, parts, attachments, or accessories for use in guided missile systems are classified in classes other than this class.
Possible NAICS Codes
336414 – Guided Missile and Space Vehicle Manufacturing
332993 – Ammunition (except Small Arms) Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
811212 – Computer and Office Machine Repair and Maintenance
336419 – Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing