PSC AD61: R&D – Defense Other: Construction (Basic Research)
Service code
Code facts
- Part of
-
-
A
- AD
-
A
- Contract obligations
- $72,901,681 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 | $80,769,000 |
| FY2025 | $72,901,681 |
| FY2024 | $309,963,934 |
| FY2023 | $54,727,818 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Seqirus Inc. | $80,769,000 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Health and Human Services | $80,769,000 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 236210 Industrial Building Construction | $80,769,000 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Massachusetts | $80,769,000 |
Quick answers
What is PSC AD61?
PSC AD61 is R&D – Defense Other: Construction (Basic Research), a service code in PSC A, Research and Development.
How much do federal agencies spend under PSC AD61?
Federal contracts under PSC AD61 obligated $72,901,681 in fiscal year 2025 and $518,362,432 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AD61?
The contractors with the most obligated under PSC AD61 in fiscal years 2026 and 2027 are Seqirus Inc. ($80,769,000).
Which agencies buy the most under PSC AD61?
The agencies that obligated the most under PSC AD61 in fiscal years 2026 and 2027 are Department of Health and Human Services ($80,769,000).
Which NAICS codes are used with PSC AD61?
The NAICS codes with the most obligated under PSC AD61 in fiscal years 2026 and 2027 are 236210 Industrial Building Construction.
Where is the work under PSC AD61 performed?
By place of performance, the states with the most contract obligations under PSC AD61 over the last 12 months are Massachusetts ($80,769,000).
On GovTribe
See everything under PSC AD61
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- Funding analysis by contractor, agency and set-aside
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