PSC codes › Z1EB
PSC Z1EB — Maintenance of Maintenance Buildings: federal contracts
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What PSC Z1EB 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 Z1EB work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| K & K PLUS, INC. | $25.3M | 1 |
| ENVIREMEDIAL SERVICES, INC. | $22.3M | 92 |
| AJANTA CONSULTING LLC | $15.1M | 6 |
| ALLIED PACIFIC BUILDERS INC | $13.3M | 1 |
| AKTARIUS LLC | $10.7M | 1 |
| JONES LANG LASALLE AMERICAS, INC. | $6.9M | 7 |
| BIRMINGHAM INDUSTRIAL CONSTRUCTION, LLC | $6.8M | 1 |
| FRONTLINE KING GEORGE JV LLC | $5.8M | 2 |
| AMERICAN ENGINEERING CORPORATION | $5.2M | 8 |
| PORR GOVERNMENT SERVICES ITALY SRL | $4.9M | 6 |
How competitive is PSC Z1EB?
- 82.3% of obligations on these awards were competed.
- 15.4% of competed awards that report offers drew a single offer (n=117).
- 80.1% went to small businesses.
- The five largest contractors hold 50.6% across 154 contractors.
NAICS codes used on PSC Z1EB awards
| NAICS | Industry | Share |
|---|---|---|
| 236220 | Commercial and Institutional Building Construction | 46.6% |
| 561210 | Facilities Support Services | 35.7% |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 3.3% |
| 238290 | Other Building Equipment Contractors | 2.4% |
| 238990 | All Other Specialty Trade Contractors | 2.2% |
| 811310 | Commercial and Industrial Machinery and Equipment (Except Automotive and Electronic) Repair and Maintenance | 2.1% |
| 238390 | Other Building Finishing Contractors | 1.6% |
| 237990 | Other Heavy and Civil Engineering Construction | 1.3% |
Related PSC codes
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 · Z1AA Maintenance of Office Buildings · Z1JZ Maintenance of Miscellaneous Buildings · Z1AZ Maintenance of Other Administrative Facilities and Service Buildings · Y1JZ Construction of Miscellaneous Buildings · Z2PZ Repair or Alteration of Other Non-Building Facilities
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