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.
Equipment and Materials Testing: Metal Bars, Sheets, and Shapes
Possible NAICS Codes
541380 – Testing Laboratories and Services
332710 – Machine Shops
562920 – Materials Recovery Facilities
562910 – Remediation Services
325199 – All Other Basic Organic Chemical Manufacturing