PSC codes › Z1AA
PSC Z1AA — Maintenance of Office Buildings: federal contracts
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- DSCR B34 & B42 System Smoke Testing & Hydro Jetting
- 2-STEP SEALED BID - TINKER AFB WWYK250019 Remove and Replace Fire Sprinkler in Plasma Booth Dust Collectors and Replace the Building F/A System, B3221
- Sources Sought National Support Center, Urbana, MD
- Architect & Engineering Services, Indefinite-Delivery, Indefinite-Quantity (IDIQ) Multiple Award (A&E) Contracts needed for new construction, renovation…
- Architect & Engineering Services, Indefinite-Delivery, Indefinite-Quantity (IDIQ) Multiple Award (A&E) Contracts needed for new construction, renovation…
- WWYK250063 - INSTALL REACT VII FACILITY, B9001, POST V19
- Facility Enhancement and Maintenance IDIQ
- Gutter Cleaning and Maintenance Services
- Elevator Maintenance & Related Services (Columbus, OH & Dayton, OH)
- HMO Elevator Maintenance Service
- Elevator Maintenance Services - Potter Stewart US Courthouse, John Weld Peck Federal Building, and FDA-NFCC (Cincinnati, OH)
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What PSC Z1AA covers
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Facilities & Construction › Facility Related Services.
Who is winning new PSC Z1AA work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| ACTION FACILITIES MANAGEMENT INC | $123.2M | 772 |
| PEGASUS SUPPORT SERVICES LLC | $117.1M | 63 |
| SOUTH DADE AIR CONDITIONING & REFRIGERATION INC | $101.6M | 891 |
| PUNDIR GROUP, INC | $74.8M | 436 |
| EMCOR GOVERNMENT SERVICES, INC | $57.2M | 322 |
| DAE SUNG LLC | $47.5M | 479 |
| ELECTRONIC METROLOGY LABORATORY, LLC | $46.4M | 293 |
| SEDONA- NASCO JOINT VENTURE | $45.3M | 48 |
| JONES LANG LASALLE AMERICAS, INC. | $43.5M | 905 |
| YUKON FIRE PROTECTION SERVICES, INC. | $41.9M | 340 |
How competitive is PSC Z1AA?
- 81.2% of obligations on these awards were competed.
- 29.1% of competed awards that report offers drew a single offer (n=1,532).
- 75.3% went to small businesses.
- The five largest contractors hold 20.5% across 1,188 contractors.
NAICS codes used on PSC Z1AA awards
| NAICS | Industry | Share |
|---|---|---|
| 561210 | Facilities Support Services | 53.8% |
| 236220 | Commercial and Institutional Building Construction | 23.8% |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 3.8% |
| 541690 | Other Scientific and Technical Consulting Services | 3.2% |
| 236210 | Industrial Building Construction | 2.8% |
| 238160 | Roofing Contractors | 1.4% |
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | 1.3% |
| 238290 | Other Building Equipment Contractors | 0.8% |
Related PSC codes
Z2AA Repair or Alteration of Office Buildings · Z2JZ Repair or Alteration of Miscellaneous Buildings · S216 Facilities Operations Support Services · Z1AZ Maintenance of Other Administrative Facilities and Service Buildings · Y1JZ Construction of Miscellaneous Buildings · Z2AZ Repair or Alteration of Other Administrative Facilities and Service Buildings · Z1JZ Maintenance of Miscellaneous Buildings · J041 Maint/Repair/Rebuild of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment
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