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NAICS code 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, mechanical testing, nondestructive testing, or thermal testing. The testing may occur in a laboratory or on-site.

SBA small-business size limit
$19.0M

Is your company small for 541380?

The SBA limit is $19 million average annual receipts.

What 541380 covers

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Activities listed under 541380

  • 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
Show all 33 entries
  • 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
  • Nondestructive 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

Questions

What is NAICS code 541380?

NAICS 541380 is “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, mechanical testing, nondestructive testing, or thermal testing.

What businesses use NAICS code 541380?

Examples from the U.S. Census Bureau: 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; and Electrical testing laboratories or services.

What is not included in NAICS 541380?

Businesses mainly 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.

What is the SBA size standard for NAICS 541380?

$19 million average annual receipts (average of the last five fiscal years), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.

What is the SIC code for NAICS 541380?

SIC 8734 (Testing Laboratories, part), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).

What is the IRS business code for NAICS 541380?

541380 (Testing laboratories & services) on Schedule C, line B, from the IRS list of principal business codes.

How do I find government contracts for NAICS 541380?

Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 541380 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.

Source: U.S. Census Bureau, 2022 NAICS (public domain). PublicBeam is independent and not affiliated with the Census Bureau or any agency. Always check the NAICS code in the official notice before you bid.