Operations Research and Quantitative Analysis Services Government Contracts
PSC R405 Service code
Code facts
- Spend category
- Professional Services Management Advisory Services
- Part of
-
-
R
- R4
-
R
- Contract obligations
- $375,526,517 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $64,895,923 | |
| 2 | Defense Human Resources Activity | $28,076,593 | |
| 3 | Department of Veterans Affairs | $27,604,680 | |
| 4 | Department of the Navy | $25,409,786 | |
| 5 | Office of the Secretary of Defense | $23,806,429 | |
| 6 | Department of Transportation | $17,187,705 | |
| 7 | Department of the Army | $13,802,880 | |
| 8 | Air Force | $11,375,501 | |
| 9 | Department of Health and Human Services | $10,666,731 | |
| 10 | National Aeronautics and Space Administration | $6,892,867 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Human Resources Research Organization (Humrro) | $25,232,357 | |
| 2 | The Johns Hopkins University Applied Physics Laboratory LLC | $20,454,346 | |
| 3 | Accenture Federal Services LLC | $20,332,874 | |
| 4 | Titan Alpha LLC | $17,581,271 | |
| 5 | Computational Physics, Inc. | $16,086,157 | |
| 6 | Halvik LLC | $13,216,410 | |
| 7 | Systems Planning And Analysis, Inc. | $13,005,921 | |
| 8 | Nodi Solutions, LLC | $7,553,010 | |
| 9 | American Institutes For Research In The Behavioral Sciences | $7,476,032 | |
| 10 | Tharros Defense, Inc. | $7,015,107 |
See the full FY2025 ranking of PSC R405 contractors, by parent company.
Open contract opportunities
Recent contract awards
Latest 10 of 116 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $6,909,756 |
| FY2026 | $248,777,517 |
| FY2025 | $375,526,517 |
| FY2024 | $567,689,340 |
| FY2023 | $512,802,902 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541611 Administrative Management and General Management Consulting Services | $50,659,447 | |
| 2 | 541990 All Other Professional, Scientific, and Technical Services | $39,508,931 | |
| 3 | 541330 Engineering Services | $39,144,199 | |
| 4 | 541512 Computer Systems Design Services | $24,799,746 | |
| 5 | 611710 Educational Support Services | $24,112,659 | |
| 6 | 541511 Custom Computer Programming Services | $23,494,087 | |
| 7 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $10,914,770 | |
| 8 | 541211 Offices of Certified Public Accountants | $9,226,950 | |
| 9 | 541720 Research and Development in the Social Sciences and Humanities | $6,831,602 | |
| 10 | 541690 Other Scientific and Technical Consulting Services | $4,968,232 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $104,820,532 | |
| 2 | District of Columbia | $41,147,045 | |
| 3 | Maryland | $40,383,614 | |
| 4 | California | $34,248,032 | |
| 5 | Alaska | $5,260,884 | |
| 6 | Illinois | $4,588,803 | |
| 7 | Colorado | $4,221,216 | |
| 8 | Nebraska | $3,111,308 | |
| 9 | Connecticut | $2,702,724 | |
| 10 | Utah | $2,687,464 | |
| 11 | Georgia | $1,984,592 | |
| 12 | New Jersey | $1,492,972 | |
| 13 | North Carolina | $1,361,739 | |
| 14 | Iowa | $1,175,297 | |
| 15 | Florida | $846,495 | |
| 16 | New York | $701,109 | |
| 17 | Alabama | $599,333 | |
| 18 | South Carolina | $499,000 | |
| 19 | Tennessee | $273,275 | |
| 20 | Texas | $234,642 | |
| 21 | Minnesota | $72,740 | |
| 22 | Missouri | $66,000 | |
| 23 | Michigan | $42,979 | |
| 24 | Washington | $30,396 | |
| 25 | Arizona | $15,941 | |
| 26 | Indiana | $11,214 |
Show all 26
Shares are of everything obligated under PSC R405 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Quick answers
What is PSC R405?
PSC R405 is Operations Research and Quantitative Analysis Services, a service code in PSC R, Support Services (Professional, Administrative, Management).
How many government contracts for operations research and quantitative analysis services are there?
5 contract opportunities under PSC R405 are open now, and 19 notices were posted in the last 90 days. Federal agencies awarded 116 contracts under PSC R405 in the last 12 months, obligating $254,269,686.
How much do federal agencies spend under PSC R405?
Federal contracts under PSC R405 obligated $375,526,517 in fiscal year 2025 and $1,711,706,032 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC R405?
The contractors with the most obligated under PSC R405 in fiscal years 2026 and 2027 are Human Resources Research Organization (Humrro) ($25,232,357), The Johns Hopkins University Applied Physics Laboratory LLC ($20,454,346) and Accenture Federal Services LLC ($20,332,874).
Which agencies buy the most under PSC R405?
The agencies that obligated the most under PSC R405 in fiscal years 2026 and 2027 are Department of Homeland Security ($64,895,923), Defense Human Resources Activity ($28,076,593) and Department of Veterans Affairs ($27,604,680).
Which NAICS codes are used with PSC R405?
The NAICS codes with the most obligated under PSC R405 in fiscal years 2026 and 2027 are 541611 Administrative Management and General Management Consulting Services; 541990 All Other Professional, Scientific, and Technical Services; and 541330 Engineering Services.
Where is the work under PSC R405 performed?
By place of performance, the states with the most contract obligations under PSC R405 over the last 12 months are Virginia ($104,820,532), the District of Columbia ($41,147,045) and Maryland ($40,383,614).
What is the latest open contract opportunity under PSC R405?
The latest open contract opportunity under PSC R405 is United States Naval Observatory- Precise Time and Astronomy Functional Area Workflow Manager, solicitation from Naval Supply Systems Command (Navy), posted November 5, 2026.
On GovTribe
See everything under PSC R405
- 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