PSC codes › Y1LZ
PSC Y1LZ — Construction of Parking Facilities: federal contracts
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What PSC Y1LZ 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 Y1LZ work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| NAN INC | $60.3M | 1 |
| CERRIS BUILDERS, INC | $37.6M | 1 |
| BLACK CONSTRUCTION-TUTOR PERINI JV | $32.0M | 1 |
| W.M. KLORMAN CONSTRUCTION CORP | $31.5M | 1 |
| ALEUT CONSTRUCTION LLC | $26.4M | 1 |
| GROUND LEVEL CONSTRUCTION, INC. | $23.0M | 1 |
| R.T CONTRACTOR CORP. | $20.3M | 1 |
| COASTAL CONSTRUCTION GROUP, LLC | $10.7M | 1 |
| JV6 CONTRACTING LLC | $10.0M | 1 |
| ADVON CORPORATION | $9.8M | 1 |
How competitive is PSC Y1LZ?
- 96.1% of obligations on these awards were competed.
- 6.7% of competed awards that report offers drew a single offer (n=75).
- 56.9% went to small businesses.
- The five largest contractors hold 53.5% across 93 contractors.
NAICS codes used on PSC Y1LZ awards
| NAICS | Industry | Share |
|---|---|---|
| 236220 | Commercial and Institutional Building Construction | 82.2% |
| 237990 | Other Heavy and Civil Engineering Construction | 6.3% |
| 237310 | Highway, Street, and Bridge Construction | 3.4% |
| 238190 | Other Foundation, Structure, and Building Exterior Contractors | 2.6% |
| 238990 | All Other Specialty Trade Contractors | 2.2% |
| 238910 | Site Preparation Contractors | 1.3% |
| 237130 | Power and Communication Line and Related Structures Construction | 0.5% |
| 812930 | Parking Lots and Garages | 0.4% |
Related PSC codes
Z2AA Repair or Alteration of Office Buildings · Z2JZ Repair or Alteration of Miscellaneous Buildings · Y1PZ Construction of Other Non-Building Facilities · Z2AZ Repair or Alteration of Other Administrative Facilities and Service Buildings · Z2LB Repair or Alteration of Highways/Roads/Streets/Bridges/Railways · Y1JZ Construction of Miscellaneous Buildings · Z2PZ Repair or Alteration of Other Non-Building Facilities · Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways
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