PSC Z1BC: Maintenance of Radar and Navigational Facilities
Service code
Code facts
- Spend category
- Facilities & Construction Facility Related Services
- Part of
-
-
Z
- Z1
-
Z
- Contract awards
- 42 In the last 12 months
- Contract obligations
- $69,523,631 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $214,546,231 |
| FY2025 | $69,523,631 |
| FY2024 | $58,072,195 |
| FY2023 | $83,077,458 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | S & K Security Group LLC | $136,419,965 | |
| 2 | Tyonek Aircraft Overhaul, LLC | $34,551,106 | |
| 3 | Lockheed Martin Corporation | $27,456,112 | |
| 4 | Tcom, L.P. | $5,659,983 | |
| 5 | Niihau Ranch LLC | $1,870,870 | |
| 6 | KEO & Associates Inc. | $1,554,957 | |
| 7 | WAM Industries, Incorporated | $1,300,644 | |
| 8 | Fluharty Erie, LLC | $665,347 | |
| 9 | Lawdensky Construction Company Incorporated | $574,130 | |
| 10 | The Blackledge Group, Inc. | $512,000 |
See the full FY2025 ranking of PSC Z1BC contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $170,974,422 | |
| 2 | Air Force | $27,724,006 | |
| 3 | Department of Transportation | $8,053,460 | |
| 4 | Department of the Navy | $7,530,853 | |
| 5 | Department of the Army | $263,491 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 811210 Electronic and Precision Equipment Repair and Maintenance | $136,687,858 | |
| 2 | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $67,667,201 | |
| 3 | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $3,105,950 | |
| 4 | 236220 Commercial and Institutional Building Construction | $2,109,353 | |
| 5 | 561210 Facilities Support Services | $1,870,870 | |
| 6 | 237310 Highway, Street, and Bridge Construction | $1,317,638 | |
| 7 | 238160 Roofing Contractors | $1,261,078 | |
| 8 | 238110 Poured Concrete Foundation and Structure Contractors | $148,800 | |
| 9 | 561730 Landscaping Services | $140,410 | |
| 10 | 238130 Framing Contractors | $133,425 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Montana | $136,419,965 | |
| 2 | Alaska | $34,538,106 | |
| 3 | New Jersey | $27,456,112 | |
| 4 | Hawaii | $2,145,670 | |
| 5 | New York | $953,459 | |
| 6 | Utah | $786,299 | |
| 7 | North Carolina | $756,394 | |
| 8 | Ohio | $653,347 | |
| 9 | Missouri | $579,870 | |
| 10 | Florida | $567,518 | |
| 11 | California | $499,014 | |
| 12 | Kansas | $473,400 | |
| 13 | Indiana | $431,886 | |
| 14 | Arizona | $426,884 | |
| 15 | Maryland | $362,494 | |
| 16 | Georgia | $353,800 | |
| 17 | Illinois | $274,444 | |
| 18 | Texas | $260,368 | |
| 19 | Oregon | $190,071 | |
| 20 | Puerto Rico | $140,410 | |
| 21 | Kentucky | $133,425 | |
| 22 | Minnesota | $131,268 | |
| 23 | South Dakota | $85,444 | |
| 24 | Vermont | $51,651 | |
| 25 | North Dakota | $3,419 |
Show all 25
Shares are of everything obligated under PSC Z1BC in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 149 listed here. See the rest on GovTribe.
Quick answers
What is PSC Z1BC?
PSC Z1BC is Maintenance of Radar and Navigational Facilities, a service code in PSC Z, Maintenance, Repair, Alteration Real Property.
How much do federal agencies spend under PSC Z1BC?
Federal contracts under PSC Z1BC obligated $69,523,631 in fiscal year 2025 and $425,219,515 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Z1BC?
The contractors with the most obligated under PSC Z1BC in fiscal years 2026 and 2027 are S & K Security Group LLC ($136,419,965); Tyonek Aircraft Overhaul, LLC ($34,551,106); and Lockheed Martin Corporation ($27,456,112).
Which agencies buy the most under PSC Z1BC?
The agencies that obligated the most under PSC Z1BC in fiscal years 2026 and 2027 are Department of Homeland Security ($170,974,422), Air Force ($27,724,006) and Department of Transportation ($8,053,460).
Which NAICS codes are used with PSC Z1BC?
The NAICS codes with the most obligated under PSC Z1BC in fiscal years 2026 and 2027 are 811210 Electronic and Precision Equipment Repair and Maintenance; 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing; and 238220 Plumbing, Heating, and Air-Conditioning Contractors.
Where is the work under PSC Z1BC performed?
By place of performance, the states with the most contract obligations under PSC Z1BC over the last 12 months are Montana ($136,419,965), Alaska ($34,538,106) and New Jersey ($27,456,112).
What is the latest contract opportunity under PSC Z1BC?
The latest contract opportunity under PSC Z1BC is RFI mast o&s, pre-solicitation from Customs and Border Protection, posted September 23, 2026.
On GovTribe
See everything under PSC Z1BC
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code