NAICS 541380: Testing Laboratories and Services
Testing Laboratories and Services is NAICS code 541380. A business is small under it with $19 million or less in average annual receipts. 15 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- $19 million or less in average annual receipts
- Open contracts now
- 15
- Federal spending, FY2026
- $546.5 million
- Share won by small businesses
- 17%
- Small businesses registered
- 3,027
Open federal contracts for testing laboratories and services
- (TMDE) for the Emerson/Rosemount Compact Annubar Multivariable Flow Meter.
Due in 1 dayOct 5, 2026
- NEW: Quality Water Testing North Texas VA Medical Center Base 4 Option Years
Due in 3 daysOct 7, 2026
- Sources sought for Blood and Blood Products for QNBMHF in Belcourt ND 58316.
Due in 4 daysOct 8, 2026
- BPA FOR VIRUS ISOLATION AND PCR ANALYSIS
Due in 5 daysOct 9, 2026
- PSC 4610 Cathodic Protection Inspection Services
Due in 5 daysOct 10, 2026
- Hickman Borings Drilling and Testing
Due in 8 daysOct 12, 2026
What NAICS 541380 covers
The Census Bureau's NAICS index lists these kinds of work 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
- Geotechnical testing laboratories or services
- Hydrostatic testing laboratories or services
The index lists 33 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 541380
To count as a small business for a contract assigned NAICS 541380, your business must have $19 million or less in average annual receipts. Receipts are averaged over your last five completed fiscal years.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys testing laboratories and services
Agencies that awarded the most under NAICS 541380 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Air Force | $328.4 million |
| National Institutes of Health | $191.5 million |
| National Aeronautics and Space Administration | $158.2 million |
| Department of Veterans Affairs | $156.6 million |
| Defense Information Systems Agency | $136.2 million |
| National Highway Traffic Safety Administration | $125.7 million |
| Environmental Protection Agency | $118.3 million |
| Centers for Disease Control and Prevention | $111.3 million |
Open notices right now come from Dept of Defense (8), Department of Veterans Affairs (4), Department of Health and Human Services (2), Department of the Interior (1) and Department of Justice (1).
Set-asides on open 541380 contracts
- No set-aside (full and open): 8
- Total small business set-aside: 6
- Service-disabled veteran-owned set-aside: 2
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
3,027 businesses with active SAM.gov registrations are rated small under NAICS 541380, most of them in California (302), Texas (289), Florida (240), Virginia (226) and Georgia (144). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 541380 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $671.2 million |
| FY2025 | $574.3 million |
| FY2026 | $546.5 million |
| FY2027 (so far) | $3.9 million |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 541310 Architectural Services
- 541320 Landscape Architectural Services
- 541330 Engineering Services
- 541340 Drafting Services
- 541350 Building Inspection Services
- 541360 Geophysical Surveying and Mapping Services
- 541370 Surveying and Mapping (except Geophysical) Services
Frequently asked questions
What is NAICS code 541380?
541380 is the 2022 NAICS code for Testing Laboratories and Services. The Census Bureau's index lists work such as acoustics testing laboratories or services, assaying services, automobile proving and testing grounds under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 541380?
$19 million or less in average annual receipts. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for testing laboratories and services?
Yes. 15 federal contract opportunities under NAICS 541380 are open on SAM.gov right now. Agencies obligated about $546.5 million under this code in fiscal year 2026, according to USAspending.gov.
How do I add NAICS code 541380 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.