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.
Quality Control Services: Musical Instruments, Phonographs, and Home Type Radios
Possible NAICS Codes
541990 – All Other Professional, Scientific, and Technical Services
515112 – Radio Stations
515111 – Radio Networks
512230 – Music Publishers