PSC codes › C1AA
PSC C1AA — Office Buildings: federal contracts
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- GSA A/E SHORT SELECTION PROCESS FOR CONUS/OCONUS
- Black Warrior, Tombigbee, Alabama, Coosa Rivers Project Management Office
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What PSC C1AA covers
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Facilities & Construction › Construction Related Services.
Who is winning new PSC C1AA work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| BRASFIELD & GORRIE LLC | $519.7M | 1 |
| BL HARBERT INTERNATIONAL LLC | $100.0M | 2 |
| RME/PCI JOINT VENTURE LLC | $44.5M | 1 |
| DATTNER ARCHITECTS DPC | $19.9M | 3 |
| HELLMUTH, OBATA & KASSABAUM, INC. | $17.5M | 1 |
| TEYA SUPPORT SERVICES LLC | $15.7M | 1 |
| BURNS & MCDONNELL, INC. | $11.2M | 1 |
| JACOBS GOVERNMENT SERVICES COMPANY | $10.9M | 2 |
| N.K. BHANDARI, ARCHITECTURE & ENGINEERING, P.C. | $9.9M | 38 |
| SMITH-MILLER + HAWKINSON ARCHITECTS, LLP | $8.4M | 1 |
How competitive is PSC C1AA?
- 96.5% of obligations on these awards were competed.
- 39.1% of competed awards that report offers drew a single offer (n=581).
- 21.8% went to small businesses.
- The five largest contractors hold 75.0% across 253 contractors.
NAICS codes used on PSC C1AA awards
| NAICS | Industry | Share |
|---|---|---|
| 236220 | Commercial and Institutional Building Construction | 75.4% |
| 541310 | Architectural Services | 14.9% |
| 541330 | Engineering Services | 8.5% |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 0.7% |
| 238160 | Roofing Contractors | 0.1% |
| 541490 | Other Specialized Design Services | 0.1% |
| 423810 | Construction and Mining (Except Oil Well) Machinery and Equipment Merchant Wholesalers | 0.1% |
| 541611 | Administrative Management and General Management Consulting Services | 0.1% |
Related PSC codes
C219 Other Architect and Engineering Services · C211 Architect - Engineer Services (including landscaping, interior layout, and designing) · C1AZ Other Administrative Facilities/Service Buildings · Z2AA Repair or Alteration of Office Buildings · R499 Other Professional Services · C1JZ Miscellaneous Buildings · Y1JZ Construction of Miscellaneous Buildings · C213 A&E Inspection Services (non-construction)
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