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: Fiber Optics Materials, Components, Assemblies, and Accessories
Possible NAICS Codes
335921 – Fiber Optic Cable Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
517919 – All Other Telecommunications
484220 – Specialized Freight (except Used Goods) Trucking, Local
334417 – Electronic Connector Manufacturing