NAICS Code 541380 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.

More Details

NAICS Code 541380 - Testing Laboratories is a final level code of the “Professional, Scientific, and Technical Services” Sector. There are 6,190 companies verified as active in this industry in the USA with an estimated employment of 137,298 people.

Industry Sector

Professional, Scientific, and Technical Services

Total Companies


Verified Companies


Est. Employment


Annual Payroll


Total Revenue


SBA Size Standard

Annual Revenue Limit of $16,500,000

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Industry Examples of NAICS 541380

Common types of examples within NAICS Code 541380 - Testing Laboratories are:

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

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Example photo for industry NAICS 541380 - Testing Laboratories. This image represents an activity or product found in this industry.


For some business types, there may be a similar industry to NAICS Code 541380 - Testing Laboratories that is a better classification match. Establishments primarily engaged in:

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Would you like to email executives in NAICS Code 541380 - Testing Laboratories? Below are some of the common job titles available to be targeted.

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  • Director
  • Engineering
  • Executive Director
  • Facilities
  • Finance
  • Human Resource
  • IT
  • Manager
  • Marketing
  • Manufacturing
  • Operations
  • Owner
  • Partner
  • President
  • Principal
  • Purchasing
  • Sales
  • Vice President

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Questions & Answers

  • What is the SBA NAICS 541380 revenue limit?

    Businesses with an annual revenue under $16,500,000 are considered small businesses by SBA.

  • How many active businesses operate in NAICS Code 541380?

    There are 6,190 verified business locations operating primarily in this industry.

  • What was the total revenue for NAICS Code 541380?

    In 2017 the total revenue for Testing Laboratories was $20,485,259,000

  • What was the annual payroll for NAICS Code 541380?

    In 2017 the annual payroll for Testing Laboratories was $8,482,138,000

  • How many people work in NAICS Code 541380?

    The number of reported paid employees is 137,298.