NAICS Code Description


541380 - Testing Laboratories and Services

Top Businesses by Annual Sales for 541380 – Click for Complete Profiles:

SGS US Holding IncTestamerica Envmtl Svcs LLC
CB&i Group IncIntertek Testing Svcs NA Inc
Underwriters Laboratories IncSterigenics US LLC
Kbr Wyle Services LLCAnalytical Pace Services LLC
Intertek Group Inc

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.

Cross-References. Establishments primarily engaged in--

  • 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.
2007
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2012
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2017
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2022
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Index Entries for 541380
541380541380541380541380Acoustics testing laboratories or services
541380541380541380541380Assaying services
541380541380541380541380Automobile proving and testing grounds
541380541380541380541380Biological (except medical, veterinary) testing laboratories or services
541380541380541380541380Calibration and certification testing laboratories or services
541380541380541380541380Electrical testing laboratories or services
541380541380541380541380Electronic testing laboratories or services
541380541380541380541380Environmental testing laboratories or services
541380541380541380541380Film badge testing (i.e., radiation testing) laboratories or services
541380541380541380541380Fire insurance underwriters' laboratories
541380541380541380541380Food testing laboratories or services
541380541380541380541380Forensic (except medical) laboratories or services
541380541380541380541380Geotechnical testing laboratories or services
541380541380541380541380Hydrostatic testing laboratories or services
541380541380541380541380Industrial testing laboratories or services
541380541380541380541380Laboratory testing (except medical, veterinary) services
541380541380541380541380Mechanical testing laboratories or services
541380541380541380541380Metallurgical testing laboratories or services
541380541380541380541380Nondestructive testing laboratories or services
541380541380541380541380Pollution testing (except automotive emissions testing) services
541380541380541380541380Product testing laboratories or services
541380541380541380541380Radiation dosimetry (i.e., radiation testing) laboratories or services
541380541380541380541380Radiation testing laboratories or services
541380541380541380541380Radiographic testing laboratories or services
541380541380541380541380Radiographing welded joints on pipes and fittings
541380541380541380541380Radiography inspection services
541380541380541380541380Radon testing laboratories or services
541380541380541380541380Seed testing laboratories or services
541380541380541380541380Soil testing laboratories or services
541380541380541380541380Testing laboratories (except medical, veterinary)
541380541380541380541380Thermal testing laboratories or services
541380541380541380541380Vibration testing laboratories or services
541380541380541380541380X-ray inspection services