PSC codes › Z1BC
PSC Z1BC — Maintenance of Radar and Navigational Facilities: federal contracts
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What PSC Z1BC 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 Z1BC work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| S & K SECURITY GROUP LLC | $136.4M | 1 |
| LOCKHEED MARTIN CORPORATION | $66.1M | 1 |
| TYONEK AIRCRAFT OVERHAUL, LLC | $53.0M | 4 |
| NIIHAU RANCH LLC | $6.3M | 20 |
| TCOM, L.P. | $5.7M | 1 |
| WAM INDUSTRIES, INCORPORATED | $2.5M | 6 |
| SAAB, INC | $2.3M | 1 |
| KEO & ASSOCIATES INC | $1.8M | 4 |
| KNIGHT EAGLE CONTRACTING GROUP, INC. | $1.2M | 3 |
| FLUHARTY ERIE, LLC | $1.2M | 6 |
How competitive is PSC Z1BC?
- 4.9% of obligations on these awards were competed.
- 33.3% of competed awards that report offers drew a single offer (n=63).
- 28.4% went to small businesses.
- The five largest contractors hold 92.7% across 61 contractors.
NAICS codes used on PSC Z1BC awards
| NAICS | Industry | Share |
|---|---|---|
| 811210 | Electronic and Precision Equipment Repair and Maintenance | 47.3% |
| 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 43.4% |
| 561210 | Facilities Support Services | 2.2% |
| 236220 | Commercial and Institutional Building Construction | 1.9% |
| 237310 | Highway, Street, and Bridge Construction | 1.9% |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | 1.3% |
| 811219 | Other Electronic and Precision Equipment Repair and Maintenance | 0.8% |
| 238160 | Roofing Contractors | 0.4% |
Related PSC codes
Z2AA Repair or Alteration of Office Buildings · Y1BC Construction of Radar and Navigational Facilities · Z2JZ Repair or Alteration of Miscellaneous Buildings · Y1BZ Construction of Other Airfield Structures · Z2LB Repair or Alteration of Highways/Roads/Streets/Bridges/Railways · J045 Maint/Repair/Rebuild of Equipment: Plumbing, Heating, and Waste Disposal Equipment · Z1BA Maintenance of Air Traffic Control Towers · Z1JZ Maintenance of Miscellaneous Buildings
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