NAICS 541380
Testing Laboratories and Services
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,…
Inside Testing Laboratories and Services
Nothing is classified below Testing Laboratories and Services. Its organizations are in the registry; its schema is one link above.