PSC codes › Z1GC
PSC Z1GC — Maintenance of Fuel Storage Buildings: federal contracts
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What PSC Z1GC 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 Z1GC work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| KRIMA CONSTRUCTION CORP. | $4.5M | 1 |
| INTERSPEC, LLC | $1.8M | 17 |
| KAMIKITA KENSETSU CO.,LTD. | $1.2M | 5 |
| GY6, LLC | $579K | 1 |
| PACIFIC ENGINEERING & CONSULTING, LLC | $497K | 2 |
| SUZUKI KENSETSU KOGYO CO.,LTD. | $446K | 1 |
| ACTY CO., LTD. | $365K | 3 |
| SEONG BO CONST.IND.CO.,LTD. | $329K | 1 |
| SUNGLIM ENGINEERING & CONSTRUCTION CO., LTD | $326K | 1 |
| SAGE, LLC | $245K | 2 |
How competitive is PSC Z1GC?
- 94.3% of obligations on these awards were competed.
- 4.9% of competed awards that report offers drew a single offer (n=41).
- 33.8% went to small businesses.
- The five largest contractors hold 76.9% across 25 contractors.
NAICS codes used on PSC Z1GC awards
| NAICS | Industry | Share |
|---|---|---|
| 236220 | Commercial and Institutional Building Construction | 47.2% |
| 541990 | All Other Professional, Scientific, and Technical Services | 26.1% |
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | 7.4% |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 5.7% |
| 811210 | Electronic and Precision Equipment Repair and Maintenance | 5.2% |
| 811310 | Commercial and Industrial Machinery and Equipment (Except Automotive and Electronic) Repair and Maintenance | 3.4% |
| 213112 | Support Activities for Oil and Gas Operations | 3.3% |
| 541380 | Testing Laboratories and Services | 0.6% |
Related PSC codes
Z2JZ Repair or Alteration of Miscellaneous Buildings · Z1AZ Maintenance of Other Administrative Facilities and Service Buildings · Y1JZ Construction of Miscellaneous Buildings · Z2AA Repair or Alteration of Office Buildings · Z2NZ Repair or Alteration of Other Utilities · Z2GZ Repair or Alteration of Other Warehouse Buildings · Z2AZ Repair or Alteration of Other Administrative Facilities and Service Buildings · Z1AA Maintenance of Office Buildings
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