PSC codes › Z1LZ
PSC Z1LZ — Maintenance of Parking Facilities: federal contracts
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What PSC Z1LZ 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 Z1LZ work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| NORTH STATE MECHANICAL INC | $9.6M | 1 |
| PATRIOT CONTRACTING GROUP, LLC | $4.8M | 1 |
| B2 CONSTRUCTORS, LLC | $3.8M | 1 |
| ACIERTO LLC | $3.4M | 1 |
| WIREGRASS CONSTRUCTION COMPANY, INC. | $2.6M | 1 |
| PARAMOUNT CONSTRUCTION GROUP, LLC | $2.1M | 1 |
| LUCIANOS EXCAVATION INC | $2.1M | 1 |
| EXCEL CONCRETE CONSTRUCTION, INC. | $1.9M | 1 |
| FORUS CONTRACTING, INC. | $1.9M | 1 |
| AWALIX, LLC | $1.8M | 1 |
How competitive is PSC Z1LZ?
- 79.6% of obligations on these awards were competed.
- 6.5% of competed awards that report offers drew a single offer (n=77).
- 89.8% went to small businesses.
- The five largest contractors hold 50.1% across 100 contractors.
NAICS codes used on PSC Z1LZ awards
| NAICS | Industry | Share |
|---|---|---|
| 237310 | Highway, Street, and Bridge Construction | 30.7% |
| 236220 | Commercial and Institutional Building Construction | 27.5% |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 19.9% |
| 238990 | All Other Specialty Trade Contractors | 7.3% |
| 238910 | Site Preparation Contractors | 4.3% |
| 236210 | Industrial Building Construction | 3.9% |
| 238110 | Poured Concrete Foundation and Structure Contractors | 2.1% |
| 237110 | Water and Sewer Line and Related Structures Construction | 1.4% |
Related PSC codes
Z2JZ Repair or Alteration of Miscellaneous Buildings · Z2AA Repair or Alteration of Office Buildings · Z2LB Repair or Alteration of Highways/Roads/Streets/Bridges/Railways · Z1LB Maintenance of Highways/Roads/Streets/Bridges/Railways · Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways · Z2AZ Repair or Alteration of Other Administrative Facilities and Service Buildings · Z2PZ Repair or Alteration of Other Non-Building Facilities · Z1JZ Maintenance of Miscellaneous Buildings
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