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.
Items common to more than one class or items not properly fitting into the foregoing classes of nuclear ordnance
Possible NAICS Codes
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
611699 – All Other Miscellaneous Schools and Instruction
561920 – Convention and Trade Show Organizers
541611 – Administrative Management and General Management Consulting Services
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing