NAICS Industry Group 5419: Other Professional, Scientific, and Technical Services
Industry group
Definition
This industry group comprises establishments engaged in professional, scientific, and technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; and advertising, public relations, and related services).
Code facts
- Part of
-
-
54
- 541
-
54
- Codes under it
- 5
- Contract awards
- 4,908 In the last 12 months
- Contract obligations
- $12,997,179,555 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $178,071,336 |
| FY2026 | $12,145,557,039 |
| FY2025 | $12,997,179,555 |
| FY2024 | $15,160,526,089 |
| FY2023 | $15,385,832,369 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Battelle Energy Alliance, LLC | $2,497,188,747 | |
| 2 | Booz Allen Hamilton Inc. | $669,158,259 | |
| 3 | HII Mission Technologies Corp | $590,670,005 | |
| 4 | The Mitre Corporation | $490,363,567 | |
| 5 | Sierra Nevada Company, LLC | $484,354,577 | |
| 6 | Lockheed Martin Corporation | $391,777,453 | |
| 7 | Ptsi Managed Services Inc. | $346,233,171 | |
| 8 | Oak Ridge Associated Universities, Incorporated | $288,435,004 | |
| 9 | Caci, Inc. - Federal | $204,928,752 | |
| 10 | Northrop Grumman Systems Corporation | $194,055,698 |
See the full FY2025 ranking of NAICS 5419 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Energy | $2,885,849,996 | |
| 2 | Department of the Army | $2,154,295,711 | |
| 3 | Air Force | $1,979,699,668 | |
| 4 | Department of Health and Human Services | $1,507,439,374 | |
| 5 | Department of the Navy | $631,224,261 | |
| 6 | Department of Transportation | $528,447,048 | |
| 7 | Office of the Secretary of Defense | $442,155,351 | |
| 8 | US Agency for International Development | $247,593,558 | |
| 9 | Department of Commerce | $224,113,771 | |
| 10 | Department of State | $223,470,700 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R499 Other Professional Services | $2,968,397,235 | |
| 2 | M181 Operation of Government-Owned Contractor-Operated (GOCO) R&D Facilities | $2,497,138,747 | |
| 3 | R425 Engineering and Technical Services | $1,265,154,060 | |
| 4 | J014 Maintenance, Repair and Rebuilding of Equipment: Guided Missiles | $501,455,664 | |
| 5 |
R408 Program Management/ |
$491,742,409 | |
| 6 | R706 Logistics Support Services | $371,977,266 | |
| 7 | C1BZ Architect and Engineering – Construction: Other Airfield Structures | $323,205,170 | |
| 8 | U099 Other Education and Training Services | $298,397,495 | |
| 9 | R608 Translation and Interpreting Services(Including Sign Language) | $297,873,222 | |
| 10 | R702 Data Collection Services | $237,636,681 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $2,535,482,549 | |
| 2 | Idaho | $2,468,820,004 | |
| 3 | Maryland | $965,273,908 | |
| 4 | District of Columbia | $912,889,371 | |
| 5 | Colorado | $678,836,969 | |
| 6 | Massachusetts | $634,576,278 | |
| 7 | Texas | $597,371,951 | |
| 8 | California | $575,526,596 | |
| 9 | Tennessee | $251,966,094 | |
| 10 | Florida | $215,278,878 | |
| 11 | North Carolina | $200,869,181 | |
| 12 | Georgia | $160,985,889 | |
| 13 | Ohio | $127,680,331 | |
| 14 | Illinois | $96,681,565 | |
| 15 | Minnesota | $69,421,325 | |
| 16 | Nevada | $66,940,571 | |
| 17 | New York | $60,601,737 | |
| 18 | Washington | $53,815,819 | |
| 19 | New Jersey | $52,040,763 | |
| 20 | Pennsylvania | $48,700,203 | |
| 21 | Michigan | $46,494,530 | |
| 22 | Mississippi | $43,300,674 | |
| 23 | Hawaii | $43,027,804 | |
| 24 | Oklahoma | $39,395,079 | |
| 25 | South Carolina | $38,223,937 | |
| 26 | North Dakota | $37,705,793 | |
| 27 | Alaska | $36,571,777 | |
| 28 | New Hampshire | $30,686,019 | |
| 29 | Iowa | $28,707,025 | |
| 30 | Nebraska | $27,186,290 | |
| 31 | Missouri | $27,118,898 | |
| 32 | Oregon | $26,636,054 | |
| 33 | Arizona | $25,706,859 | |
| 34 | Kansas | $23,383,658 | |
| 35 | New Mexico | $17,894,164 | |
| 36 | Montana | $17,821,282 | |
| 37 | Louisiana | $16,029,514 | |
| 38 | Alabama | $12,099,263 | |
| 39 | Wisconsin | $11,440,889 | |
| 40 | Indiana | $10,910,990 | |
| 41 | Utah | $7,974,263 | |
| 42 | Connecticut | $6,640,465 | |
| 43 | Arkansas | $5,961,959 | |
| 44 | Delaware | $4,686,154 | |
| 45 | South Dakota | $2,881,400 | |
| 46 | West Virginia | $2,239,709 | |
| 47 | Puerto Rico | $1,941,101 | |
| 48 | Kentucky | $1,890,376 | |
| 49 | Wyoming | $1,445,090 | |
| 50 | Maine | $1,140,723 | |
| 51 | Rhode Island | $419,723 | |
| 52 | Guam | $381,694 | |
| 53 | Vermont | $324,375 |
Show all 53
Shares are of everything obligated under NAICS 5419 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 37,812 listed here. See the rest on GovTribe.
Codes under 5419
Quick answers
What is NAICS 5419?
NAICS 5419 is Other Professional, Scientific, and Technical Services, an industry group in NAICS 54, Professional, Scientific, and Technical Services.
What codes are under NAICS 5419?
NAICS 5419 has 5 codes under it with their own GovTribe pages, including 54191 Marketing Research and Public Opinion Polling, 54192 Photographic Services and 54193 Translation and Interpretation Services.
How much do federal agencies spend under NAICS 5419?
Federal contracts under NAICS 5419 obligated $12,997,179,555 in fiscal year 2025 and $55,867,166,389 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 5419?
The contractors with the most obligated under NAICS 5419 in fiscal years 2026 and 2027 are Battelle Energy Alliance, LLC ($2,497,188,747); Booz Allen Hamilton Inc. ($669,158,259); and HII Mission Technologies Corp ($590,670,005).
Which agencies buy the most under NAICS 5419?
The agencies that obligated the most under NAICS 5419 in fiscal years 2026 and 2027 are Department of Energy ($2,885,849,996), Department of the Army ($2,154,295,711) and Air Force ($1,979,699,668).
Which PSC codes are used with NAICS 5419?
The PSC codes with the most obligated under NAICS 5419 in fiscal years 2026 and 2027 are R499 Other Professional Services, M181 Operation of Government-Owned Contractor-Operated (GOCO) R&D Facilities and R425 Engineering and Technical Services.
Where is the work under NAICS 5419 performed?
By place of performance, the states with the most contract obligations under NAICS 5419 over the last 12 months are Virginia ($2,535,482,549), Idaho ($2,468,820,004) and Maryland ($965,273,908).
What is the latest contract opportunity under NAICS 5419?
The latest contract opportunity under NAICS 5419 is Sole Source Solicitation Modoc National Forest Veterinary Services, pre-solicitation from Forest Service, posted November 10, 2026.
On GovTribe
See everything under NAICS 5419
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