NAICS
541380: Testing Laboratories
This industry comprises establishments primarily engaged in performing
physical, chemical, and other analytical testing services, such as
acoustics or vibration testing, assaying, biological testing (except
medical and veterinary), calibration testing, electrical and
electronic testing, geotechnical testing, mechanical testing,
nondestructive testing, or thermal testing. The testing may occur
in a laboratory or on-site.
The data published with NAICS code 541380 are comprised of this part
of the following SIC industry:
8734 (pt) Testing Laboratories