PSC B: Special Studies/Analysis, Not R&D
Service category
Code facts
- Codes under it
- 1
- Contract awards
- 1,928 In the last 12 months
- Contract obligations
- $2,998,047,228 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $6,840,589 |
| FY2026 | $2,259,274,867 |
| FY2025 | $2,998,047,228 |
| FY2024 | $3,128,593,269 |
| FY2023 | $3,114,201,020 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Parsons Government Services Inc. | $124,080,757 | |
| 2 | The Johns Hopkins University Applied Physics Laboratory LLC | $115,509,895 | |
| 3 | Research Triangle Institute | $104,870,668 | |
| 4 | Booz Allen Hamilton Inc. | $102,313,698 | |
| 5 | The Rand Corporation | $99,887,755 | |
| 6 | The CNA Corporation | $69,986,172 | |
| 7 | Westat, Inc. | $68,022,515 | |
| 8 | Educational Testing Service | $47,447,845 | |
| 9 | Guidehouse Inc. | $45,224,343 | |
| 10 | Deloitte Consulting LLP | $40,582,748 |
See the full FY2025 ranking of PSC B contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $480,009,740 | |
| 2 | Department of Health and Human Services | $348,165,666 | |
| 3 | Department of Homeland Security | $178,439,439 | |
| 4 | Department of Education | $157,396,322 | |
| 5 | Office of the Secretary of Defense | $121,438,393 | |
| 6 | Department of the Navy | $106,709,996 | |
| 7 | Department of the Army | $106,145,245 | |
| 8 | Department of the Interior | $87,323,956 | |
| 9 | National Aeronautics and Space Administration | $72,745,584 | |
| 10 | Department of Veterans Affairs | $68,338,256 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541990 All Other Professional, Scientific, and Technical Services | $388,170,694 | |
| 2 | 541330 Engineering Services | $329,737,741 | |
| 3 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $255,455,602 | |
| 4 | 541720 Research and Development in the Social Sciences and Humanities | $231,808,558 | |
| 5 | 541611 Administrative Management and General Management Consulting Services | $195,821,072 | |
| 6 | 541620 Environmental Consulting Services | $177,231,326 | |
| 7 | 541380 Testing Laboratories and Services | $159,988,206 | |
| 8 | 541690 Other Scientific and Technical Consulting Services | $91,180,414 | |
| 9 | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $54,127,697 | |
| 10 | 541512 Computer Systems Design Services | $41,245,768 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $574,538,230 | |
| 2 | District of Columbia | $362,547,065 | |
| 3 | Maryland | $283,359,308 | |
| 4 | California | $177,858,231 | |
| 5 | North Carolina | $101,206,632 | |
| 6 | Texas | $89,470,835 | |
| 7 | Alabama | $57,607,609 | |
| 8 | Georgia | $55,815,203 | |
| 9 | Arizona | $51,073,213 | |
| 10 | Pennsylvania | $31,984,610 | |
| 11 | Colorado | $31,584,715 | |
| 12 | Massachusetts | $30,815,607 | |
| 13 | Kansas | $29,786,442 | |
| 14 | Florida | $27,513,938 | |
| 15 | New Mexico | $21,532,295 | |
| 16 | Michigan | $20,432,426 | |
| 17 | Illinois | $18,575,482 | |
| 18 | Wisconsin | $18,453,932 | |
| 19 | Louisiana | $17,220,078 | |
| 20 | Washington | $16,655,748 | |
| 21 | Ohio | $16,553,269 | |
| 22 | Alaska | $14,848,747 | |
| 23 | Mississippi | $13,378,676 | |
| 24 | Oklahoma | $12,651,797 | |
| 25 | New Jersey | $12,121,918 | |
| 26 | Connecticut | $10,652,186 | |
| 27 | New York | $10,109,418 | |
| 28 | New Hampshire | $10,036,040 | |
| 29 | Missouri | $9,321,902 | |
| 30 | Utah | $7,819,897 | |
| 31 | Oregon | $7,474,321 | |
| 32 | Nevada | $6,981,603 | |
| 33 | Minnesota | $4,894,230 | |
| 34 | Hawaii | $2,637,961 | |
| 35 | Tennessee | $2,449,753 | |
| 36 | Montana | $2,025,626 | |
| 37 | Vermont | $1,670,898 | |
| 38 | Idaho | $1,593,102 | |
| 39 | South Dakota | $1,571,993 | |
| 40 | South Carolina | $1,518,378 | |
| 41 | Arkansas | $1,353,200 | |
| 42 | Indiana | $1,288,558 | |
| 43 | Wyoming | $1,218,780 | |
| 44 | Rhode Island | $968,176 | |
| 45 | West Virginia | $886,539 | |
| 46 | North Dakota | $841,564 | |
| 47 | Iowa | $775,483 | |
| 48 | Nebraska | $658,737 | |
| 49 | Puerto Rico | $323,502 | |
| 50 | Delaware | $131,585 | |
| 51 | U.S. Virgin Islands | $67,104 | |
| 52 | Maine | $13,439 |
Show all 52
Shares are of everything obligated under PSC B in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 38 more
Latest 48 of 10,084 listed here. See the rest on GovTribe.
Codes under B
| PSC code |
|---|
| B5 Special Studies – Not R&D |
Quick answers
What is PSC B?
PSC B is Special Studies/
What codes are under PSC B?
PSC B has one code under it with its own GovTribe page, B5 Special Studies – Not R&D.
How much do federal agencies spend under PSC B?
Federal contracts under PSC B obligated $2,998,047,228 in fiscal year 2025 and $11,506,956,973 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC B?
The contractors with the most obligated under PSC B in fiscal years 2026 and 2027 are Parsons Government Services Inc. ($124,080,757), The Johns Hopkins University Applied Physics Laboratory LLC ($115,509,895) and Research Triangle Institute ($104,870,668).
Which agencies buy the most under PSC B?
The agencies that obligated the most under PSC B in fiscal years 2026 and 2027 are Air Force ($480,009,740), Department of Health and Human Services ($348,165,666) and Department of Homeland Security ($178,439,439).
Which NAICS codes are used with PSC B?
The NAICS codes with the most obligated under PSC B in fiscal years 2026 and 2027 are 541990 All Other Professional, Scientific, and Technical Services; 541330 Engineering Services; and 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
Where is the work under PSC B performed?
By place of performance, the states with the most contract obligations under PSC B over the last 12 months are Virginia ($574,538,230), the District of Columbia ($362,547,065) and Maryland ($283,359,308).
What is the latest contract opportunity under PSC B?
The latest contract opportunity under PSC B is ISO 50001 WR-ALC, solicitation from Air Force Sustainment Center (AFMC), posted October 23, 2026.
On GovTribe
See everything under PSC B
- Federal contract opportunities, awards and IDVs under this code
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