NAICS 54138: Testing Laboratories and Services
NAICS industry
Code facts
- Part of
-
-
54
-
541
- 5413
-
541
-
54
- Codes under it
- 1
- Contract awards
- 1,597 In the last 12 months
- Contract obligations
- $567,937,125 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $1,271,251 |
| FY2026 | $534,820,213 |
| FY2025 | $567,937,125 |
| FY2024 | $681,485,514 |
| FY2023 | $619,991,018 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Agile Defense, LLC | $44,222,542 | |
| 2 | Raytheon Company | $37,039,076 | |
| 3 | Merrick & Company | $26,668,149 | |
| 4 | Ginkgo Bioworks, Inc. | $24,265,872 | |
| 5 | Transportation Research Center Inc. | $24,074,663 | |
| 6 | Mantech Advanced Systems International, Inc. | $22,073,261 | |
| 7 | Astrion Group, LLC | $21,743,179 | |
| 8 | Emory University | $19,833,873 | |
| 9 | The Bionetics Corp | $17,108,220 | |
| 10 | Infinity Biologix LLC | $15,132,510 |
See the full FY2025 ranking of NAICS 54138 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $112,693,487 | |
| 2 | Department of Health and Human Services | $78,301,607 | |
| 3 | Department of Veterans Affairs | $68,216,475 | |
| 4 | Department of Transportation | $58,721,078 | |
| 5 | Defense Information Systems Agency | $44,222,542 | |
| 6 | Department of Agriculture | $31,609,104 | |
| 7 | National Aeronautics and Space Administration | $28,523,210 | |
| 8 | Environmental Protection Agency | $28,374,959 | |
| 9 | Department of the Army | $24,942,503 | |
| 10 | Department of the Navy | $18,443,233 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | B529 Scientific Data Studies | $45,353,679 | |
| 2 | Q301 Reference Laboratory Testing | $44,908,357 | |
| 3 | AC32 National Defense R&D Services; Defense-Related Activities; Applied Research | $44,222,542 | |
| 4 |
B504 Chemical/ |
$43,014,407 | |
| 5 | B599 Other Special Studies and Analysis | $37,331,762 | |
| 6 | L014 Technical Representation Services: Guided Missiles | $37,039,076 | |
| 7 | R499 Other Professional Services | $33,980,638 | |
| 8 |
R408 Program Management/ |
$28,740,083 | |
| 9 | AJ12 General Science and Technology R&D Services; General Science and Technology; Applied Research | $22,753,414 | |
| 10 | H266 Equipment and Materials Testing: Instruments and Laboratory Equipment | $21,169,140 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Arizona | $76,304,180 | |
| 2 | Massachusetts | $39,266,503 | |
| 3 | Maryland | $38,784,299 | |
| 4 | Ohio | $37,975,931 | |
| 5 | Florida | $36,233,745 | |
| 6 | District of Columbia | $29,108,591 | |
| 7 | New Jersey | $27,775,944 | |
| 8 | California | $27,702,017 | |
| 9 | Kansas | $24,797,843 | |
| 10 | Illinois | $20,225,848 | |
| 11 | Texas | $19,956,308 | |
| 12 | North Carolina | $17,000,676 | |
| 13 | Virginia | $13,131,376 | |
| 14 | Alabama | $9,718,859 | |
| 15 | New York | $9,417,532 | |
| 16 | Indiana | $7,148,870 | |
| 17 | Alaska | $6,507,180 | |
| 18 | Colorado | $6,101,928 | |
| 19 | Missouri | $6,065,953 | |
| 20 | Michigan | $3,880,593 | |
| 21 | Georgia | $3,772,941 | |
| 22 | Tennessee | $3,737,427 | |
| 23 | South Carolina | $3,634,959 | |
| 24 | Pennsylvania | $2,949,168 | |
| 25 | Oklahoma | $2,756,837 | |
| 26 | Washington | $2,010,196 | |
| 27 | Mississippi | $1,833,312 | |
| 28 | Oregon | $1,703,105 | |
| 29 | Hawaii | $1,701,179 | |
| 30 | Kentucky | $1,606,228 | |
| 31 | New Mexico | $1,595,245 | |
| 32 | Wisconsin | $1,517,272 | |
| 33 | Minnesota | $1,348,937 | |
| 34 | Nevada | $1,158,660 | |
| 35 | Louisiana | $1,130,301 | |
| 36 | Vermont | $1,005,750 | |
| 37 | Puerto Rico | $808,169 | |
| 38 | South Dakota | $635,550 | |
| 39 | West Virginia | $611,891 | |
| 40 | Montana | $544,745 | |
| 41 | Iowa | $501,085 | |
| 42 | Idaho | $422,254 | |
| 43 | Maine | $415,771 | |
| 44 | Nebraska | $389,943 | |
| 45 | Utah | $389,115 | |
| 46 | Connecticut | $357,501 | |
| 47 | New Hampshire | $345,395 | |
| 48 | North Dakota | $299,966 | |
| 49 | Guam | $258,704 | |
| 50 | Wyoming | $169,602 | |
| 51 | Delaware | $118,921 | |
| 52 | Rhode Island | $71,533 | |
| 53 | U.S. Virgin Islands | $67,104 | |
| 54 | Arkansas | $13,883 |
Show all 54
Shares are of everything obligated under NAICS 54138 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 16,034 listed here. See the rest on GovTribe.
Codes under 54138
| NAICS code | Size standard |
|---|---|
| 541380 Testing Laboratories and Services | $19 million in average annual receipts |
Definition
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.
Illustrative examples
- 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
Show all 33
Quick answers
What is NAICS 54138?
NAICS 54138 is Testing Laboratories and Services, a NAICS industry in NAICS 54, Professional, Scientific, and Technical Services.
What is the NAICS code for assaying services?
The NAICS code for assaying services is 541380, Testing Laboratories and Services. Its SBA small business size standard is $19 million in average annual receipts.
What is the NAICS code for X-ray inspection services?
The NAICS code for X-ray inspection services is 541380, Testing Laboratories and Services. Its SBA small business size standard is $19 million in average annual receipts.
What is the NAICS code for radiography inspection services?
The NAICS code for radiography inspection services is 541380, Testing Laboratories and Services. Its SBA small business size standard is $19 million in average annual receipts.
What codes are under NAICS 54138?
NAICS 54138 has one code under it with its own GovTribe page, 541380 Testing Laboratories and Services.
How much do federal agencies spend under NAICS 54138?
Federal contracts under NAICS 54138 obligated $567,937,125 in fiscal year 2025 and $2,405,505,121 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 54138?
The contractors with the most obligated under NAICS 54138 in fiscal years 2026 and 2027 are Agile Defense, LLC ($44,222,542); Raytheon Company ($37,039,076); and Merrick & Company ($26,668,149).
Which agencies buy the most under NAICS 54138?
The agencies that obligated the most under NAICS 54138 in fiscal years 2026 and 2027 are Air Force ($112,693,487), Department of Health and Human Services ($78,301,607) and Department of Veterans Affairs ($68,216,475).
Which PSC codes are used with NAICS 54138?
The PSC codes with the most obligated under NAICS 54138 in fiscal years 2026 and 2027 are B529 Scientific Data Studies, Q301 Reference Laboratory Testing and AC32 National Defense R&D Services; Defense-Related Activities; Applied Research.
Where is the work under NAICS 54138 performed?
By place of performance, the states with the most contract obligations under NAICS 54138 over the last 12 months are Arizona ($76,304,180), Massachusetts ($39,266,503) and Maryland ($38,784,299).
What is the latest contract opportunity under NAICS 54138?
The latest contract opportunity under NAICS 54138 is H966--monthly viable surface sampling, pre-solicitation from Veterans Integrated Service Network 21 (VHA), posted October 23, 2026.
On GovTribe
See everything under NAICS 54138
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code