PSC codes › Z1KB
PSC Z1KB — Maintenance of Canals: federal contracts
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- Gulf Intracoastal Waterway High Island to Causeway with Channel to Port Bolivar Maintenance Dredging
- FY26 HOUSTON SHIP CHANNEL, TEXAS BAYPORT FLARE HOPPER DREDGING
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What PSC Z1KB 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 Z1KB work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| GREAT LAKES DREDGE & DOCK CO, LLC | $269.9M | 3 |
| ORION MARINE CONSTRUCTION, INC. | $99.9M | 2 |
| WEEKS MARINE, INC. | $64.6M | 1 |
| CURTIN MARITIME CORP | $30.2M | 1 |
| MIKE HOOKS, LLC | $29.5M | 1 |
| CALLAN MARINE LIMITED | $28.2M | 2 |
| INLAND DREDGING COMPANY, L.L.C. | $26.7M | 2 |
| GENESIS 360 LLC | $25.3M | 1 |
| THE DUTRA GROUP | $23.3M | 1 |
| MOHAWK VALLEY MATERIALS INC | $11.7M | 2 |
How competitive is PSC Z1KB?
- 98.5% of obligations on these awards were competed.
- 12.8% of competed awards that report offers drew a single offer (n=39).
- 11.7% went to small businesses.
- The five largest contractors hold 75.2% across 38 contractors.
NAICS codes used on PSC Z1KB awards
| NAICS | Industry | Share |
|---|---|---|
| 237990 | Other Heavy and Civil Engineering Construction | 98.9% |
| 236220 | Commercial and Institutional Building Construction | 0.8% |
| 238110 | Poured Concrete Foundation and Structure Contractors | 0.1% |
| 237310 | Highway, Street, and Bridge Construction | 0.1% |
| 238910 | Site Preparation Contractors | 0.1% |
| 237110 | Water and Sewer Line and Related Structures Construction | 0.0% |
| 488330 | Navigational Services to Shipping | 0.0% |
| 238120 | Structural Steel and Precast Concrete Contractors | 0.0% |
Related PSC codes
Y1KF Construction of Dredging Facilities · Z1KF Maintenance of Dredging Facilities · Y1PZ Construction of Other Non-Building Facilities · Y1KB Construction of Canals · Z2JZ Repair or Alteration of Miscellaneous Buildings · Z2AA Repair or Alteration of Office Buildings · 5610 Mineral Construction Materials, Bulk · Z2PZ Repair or Alteration of Other Non-Building Facilities
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