NAICS Code Lookup

Testing Laboratories

General

NAICS Code
541380
Industry
Professional, Scientific, and Technical Services

Phraseology

Testing Laboratories

Description

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.

Alternate NAICS Descriptions

  • Acoustics testing laboratories or services
  • Assaying services
  • Automobile proving and testing grounds
  • Biological (except medical, veterinary) testing laboratories or services
  • Calibration and certification testing laboratories or services
  • Electrical testing laboratories or services
  • Electronic testing laboratories or services
  • Environmental testing laboratories or services
  • Film badge testing (i.e., radiation testing) laboratories or services
  • Fire insurance underwriters' laboratories
  • Food testing laboratories or services
  • Forensic (except medical) laboratories or services
  • Geotechnical testing laboratories or services
  • Hydrostatic testing laboratories or services
  • Industrial testing laboratories or services
  • Laboratory testing (except medical, veterinary) services
  • Mechanical testing laboratories or services
  • Metallurgical testing laboratories or services
  • Non-destructive testing laboratories or services
  • Pollution testing (except automotive emissions testing) services
  • Product testing laboratories or services
  • Radiation dosimetry (i.e., radiation testing) laboratories or services
  • Radiation testing laboratories or services
  • Radiographic testing laboratories or services
  • Radiographing welded joints on pipes and fittings
  • Radiography inspection services
  • Radon testing laboratories or services
  • Seed testing laboratories or services
  • Soil testing laboratories or services
  • Testing laboratories (except medical, veterinary)
  • Thermal testing laboratories or services
  • Vibration testing laboratories or services
  • X-ray inspection services

Related NAICS Codes

  • Laboratory testing for the medical profession--are classified in Industry 62151, Medical and Diagnostic Laboratories;
  • Veterinary testing services--are classified in Industry 541940, Veterinary Services; and
  • Auto emissions testing--are classified in U.S. Industry 811198, All Other Automotive Repair and Maintenance.

Cross Reference

Find industry codes related to the NAICS Code 541380. This includes General Liability, NAICS, and state and NCCI Class Codes.

General Liability (GL)

97003 Laboratories--Research, Development or Testing--Not-For-Profit Only

SIC

8734 Testing Laboratories

NCCI Class Code

4511 Analytical Laboratories or Assaying--Including Laboratory, Outside Employees, Collectors of Samples, & Drivers

CA Class Code

4511 Analytical or Testing Laboratories

DE Class Code

0955 Engineering Consulting Firm

MI Class Code

4511 ANALYTICAL OPERATIONS, CHEMIST-LABORATORY; ASSAYING

NJ Class Code

4571 ANALYTICAL CHEMIST – NPD

NY Class Code

4511 ANALYTICAL CHEMIST

PA Class Code

0955 Engineering Consulting Firm

TX Class Code

4511 Sewer Lines/Mains Inspection by Remote Controlled Camera--No Cleaning or Repairing

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