PSC AC91: R&D – Defense System: Miscellaneous Hard Goods (Basic Research)
Service code
Code facts
- Part of
-
-
A
- AC
-
A
- Contract obligations
- $13,811,879 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 | $0 |
| FY2026 | $19,161,032 |
| FY2025 | $13,811,879 |
| FY2024 | $23,717,448 |
| FY2023 | $22,529,673 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Chesapeake Technology International, Corp. | $18,836,032 | |
| 2 | Usbta Service Group, LLC | $325,000 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Office of the Secretary of Defense | $18,836,032 | |
| 2 | Department of Justice | $325,000 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $18,836,032 | |
| 2 | 541690 Other Scientific and Technical Consulting Services | $325,000 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | District of Columbia | $14,425,321 | |
| 2 | Hawaii | $1,512,160 | |
| 3 | Colorado | $325,000 |
Contract opportunities
| Notice | Posted | Due |
|---|---|---|
| Body Armor Panels |
Quick answers
What is PSC AC91?
PSC AC91 is R&D – Defense System: Miscellaneous Hard Goods (Basic Research), a service code in PSC A, Research and Development.
How much do federal agencies spend under PSC AC91?
Federal contracts under PSC AC91 obligated $13,811,879 in fiscal year 2025 and $79,220,031 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AC91?
The contractors with the most obligated under PSC AC91 in fiscal years 2026 and 2027 are Chesapeake Technology International, Corp. ($18,836,032) and Usbta Service Group, LLC ($325,000).
Which agencies buy the most under PSC AC91?
The agencies that obligated the most under PSC AC91 in fiscal years 2026 and 2027 are Office of the Secretary of Defense ($18,836,032) and Department of Justice ($325,000).
Which NAICS codes are used with PSC AC91?
The NAICS codes with the most obligated under PSC AC91 in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) and 541690 Other Scientific and Technical Consulting Services.
Where is the work under PSC AC91 performed?
By place of performance, the states with the most contract obligations under PSC AC91 over the last 12 months are the District of Columbia ($14,425,321), Hawaii ($1,512,160) and Colorado ($325,000).
What is the latest contract opportunity under PSC AC91?
The latest contract opportunity under PSC AC91 is Body Armor Panels, solicitation from Naval Supply Systems Command (Navy), posted September 1, 2020.
On GovTribe
See everything under PSC AC91
- 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