System Atlas
NAICS 541380
Browse what is insideInherits Professional services

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,… It has no schema of its own: companies here are mapped on the Professional services schema, and what it does not cover is recorded as gaps.

Baseline
Professional services v2
Inherited from
Professional services
Companies mapped
0 of 0
Primitives
57 in 8 parts
Last updated
Nov 2, 2026