NAICS
54138: 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.
Go to Bridge Between NAICS and SIC