PSC codes › Z1DB
PSC Z1DB — Maintenance of Laboratories and Clinics: federal contracts
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What PSC Z1DB 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 Z1DB work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| VALIANT GOVERNMENT SERVICES LLC | $85.8M | 3 |
| C MARTIN CO INC | $23.8M | 14 |
| CAS FSE JV II LLC | $21.8M | 94 |
| J & J MAINTENANCE INC | $7.9M | 2 |
| TALION CONSTRUCTION, LLC | $5.6M | 1 |
| MILL CREEK FIRELAKE JV LLC | $5.0M | 3 |
| ROOFING RESOURCES INC | $4.3M | 1 |
| LAVASTIDA DEVELOPMENT GROUP, L.L.C | $3.9M | 1 |
| SANDHURST-AEC, LLC | $2.2M | 1 |
| RED BISON SERVICES, LLC | $2.0M | 100 |
How competitive is PSC Z1DB?
- 78.8% of obligations on these awards were competed.
- 31.1% of competed awards that report offers drew a single offer (n=90).
- 49.0% went to small businesses.
- The five largest contractors hold 74.9% across 124 contractors.
NAICS codes used on PSC Z1DB awards
| NAICS | Industry | Share |
|---|---|---|
| 236220 | Commercial and Institutional Building Construction | 56.0% |
| 561210 | Facilities Support Services | 30.3% |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 6.0% |
| 238160 | Roofing Contractors | 3.4% |
| 811210 | Electronic and Precision Equipment Repair and Maintenance | 0.8% |
| 221320 | Sewage Treatment Facilities | 0.6% |
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | 0.6% |
| 237310 | Highway, Street, and Bridge Construction | 0.4% |
Related PSC codes
Z2AA Repair or Alteration of Office Buildings · Z1AA Maintenance of Office Buildings · Z2JZ Repair or Alteration of Miscellaneous Buildings · J041 Maint/Repair/Rebuild of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment · Z1JZ Maintenance of Miscellaneous Buildings · Z2AZ Repair or Alteration of Other Administrative Facilities and Service Buildings · Y1JZ Construction of Miscellaneous Buildings · Z1DA Maintenance of Hospitals and Infirmaries
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