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.
Other Quality Control, Testing and Inspection Services: Weapons
Possible NAICS Codes
541330 – Engineering Services
541380 – Testing Laboratories
562910 – Remediation Services
811219 – Other Electronic and Precision Equipment Repair and Maintenance
561210 – Facilities Support Services