PSC codes › Z1LB
PSC Z1LB — Maintenance of Highways/Roads/Streets/Bridges/Railways: federal contracts
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- Z--GOGA 336173 - Repair Conzelman Road
- Vegetation Control and Inspection Railroad Service
- Z--BRCA 310427 Southbound Shuttle Stop
- Road Maintenance - Sheyenne. Roadway reconditioning and aggregate surface place and aggregate spot surfacing
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What PSC Z1LB covers
Includes: RESURFACING
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Facilities & Construction › Facility Related Services.
Who is winning new PSC Z1LB work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| KEKOLU-RIO VISTA JOINT VENTURE, LLC | $27.3M | 19 |
| TACTICAL INFRASTRUCTURE MAINTENANCE SOLUTIONS LLC | $24.5M | 2 |
| FDT WATER INFRASTRUCTURE, LLC | $20.3M | 4 |
| COLUMBUS BARRICADES, INC | $19.1M | 28 |
| CIVIL WORKS CONTRACTING LLC | $16.6M | 1 |
| RBA ENGINEERING INTERNATIONAL, PLLC | $16.2M | 1 |
| DMS CONTRACTING INC | $15.3M | 1 |
| TIMS 8A JV LLC | $15.3M | 3 |
| JUDD BUICK CONSTRUCTION, INC. | $14.7M | 8 |
| KOMAN ADVANTAGE, LLC | $13.5M | 1 |
How competitive is PSC Z1LB?
- 86.8% of obligations on these awards were competed.
- 26.5% of competed awards that report offers drew a single offer (n=578).
- 93.3% went to small businesses.
- The five largest contractors hold 17.5% across 477 contractors.
NAICS codes used on PSC Z1LB awards
| NAICS | Industry | Share |
|---|---|---|
| 237310 | Highway, Street, and Bridge Construction | 54.9% |
| 237990 | Other Heavy and Civil Engineering Construction | 13.1% |
| 236220 | Commercial and Institutional Building Construction | 12.4% |
| 238990 | All Other Specialty Trade Contractors | 7.1% |
| 561210 | Facilities Support Services | 5.2% |
| 488210 | Support Activities for Rail Transportation | 3.2% |
| 115310 | Support Activities for Forestry | 1.8% |
| 488490 | Other Support Activities for Road Transportation | 0.5% |
Related PSC codes
Z2LB Repair or Alteration of Highways/Roads/Streets/Bridges/Railways · Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways · Z2JZ Repair or Alteration of Miscellaneous Buildings · Z2AA Repair or Alteration of Office Buildings · Z2AZ Repair or Alteration of Other Administrative Facilities and Service Buildings · Z2QA Repair or Alteration of Restoration of Real Property (Public or Private) · Z1AZ Maintenance of Other Administrative Facilities and Service Buildings · Y1JZ Construction of Miscellaneous Buildings
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