PSC Z1BA: Maintenance of Air Traffic Control Towers
Service code
Code facts
- Spend category
- Facilities & Construction Facility Related Services
- Part of
-
-
Z
- Z1
-
Z
- Contract awards
- 29 In the last 12 months
- Contract obligations
- $53,824,080 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 | $2,757 |
| FY2026 | $27,788,367 |
| FY2025 | $53,824,080 |
| FY2024 | $94,279,485 |
| FY2023 | $115,841,772 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | E Corp | $8,002,606 | |
| 2 | Enfield Enterprises LLC | $6,383,421 | |
| 3 | Walsh Federal LLC | $3,701,549 | |
| 4 | CMP Commercial Construction Inc. | $3,429,715 | |
| 5 | Burton Construction, Inc. | $1,671,068 | |
| 6 | Armstrong Elevator Company | $1,032,002 | |
| 7 | Trinity Of Utah Incorporated | $608,035 | |
| 8 | Lonergan Electric Service Inc. | $558,637 | |
| 9 | TK Elevator Corporation | $411,486 | |
| 10 | The Matthews Group Inc. | $358,664 |
See the full FY2025 ranking of PSC Z1BA contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Transportation | $27,321,339 | |
| 2 | Department of the Army | $466,285 | |
| 3 | Department of Homeland Security | $3,500 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 236220 Commercial and Institutional Building Construction | $20,228,678 | |
| 2 | 238160 Roofing Contractors | $4,046,636 | |
| 3 | 333921 Elevator and Moving Stairway Manufacturing | $1,035,546 | |
| 4 | 238990 All Other Specialty Trade Contractors | $727,925 | |
| 5 | 238290 Other Building Equipment Contractors | $636,529 | |
| 6 | 238170 Siding Contractors | $608,035 | |
| 7 | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $276,723 | |
| 8 | 541512 Computer Systems Design Services | $85,613 | |
| 9 | 238210 Electrical Contractors and Other Wiring Installation Contractors | $80,504 | |
| 10 | 541620 Environmental Consulting Services | $23,802 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Florida | $6,960,454 | |
| 2 | Michigan | $4,177,163 | |
| 3 | Hawaii | $3,760,017 | |
| 4 | Texas | $3,330,255 | |
| 5 | Vermont | $3,070,439 | |
| 6 | California | $2,468,782 | |
| 7 | Washington | $1,661,402 | |
| 8 | New York | $641,318 | |
| 9 | South Dakota | $608,035 | |
| 10 | New Jersey | $552,444 | |
| 11 | Illinois | $421,437 | |
| 12 | Minnesota | $233,094 | |
| 13 | Colorado | $187,878 | |
| 14 | Kansas | $139,841 | |
| 15 | Virginia | $116,271 | |
| 16 | Louisiana | $111,538 | |
| 17 | Tennessee | $102,825 | |
| 18 | District of Columbia | $85,613 | |
| 19 | New Hampshire | $59,171 | |
| 20 | Massachusetts | $37,817 | |
| 21 | North Carolina | $33,240 | |
| 22 | Indiana | $27,572 | |
| 23 | Maine | $19,241 | |
| 24 | Alabama | $16,475 | |
| 25 | Arkansas | $11,572 |
Show all 25
Shares are of everything obligated under PSC Z1BA in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 210 listed here. See the rest on GovTribe.
Quick answers
What is PSC Z1BA?
PSC Z1BA is Maintenance of Air Traffic Control Towers, a service code in PSC Z, Maintenance, Repair, Alteration Real Property.
How much do federal agencies spend under PSC Z1BA?
Federal contracts under PSC Z1BA obligated $53,824,080 in fiscal year 2025 and $291,736,461 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Z1BA?
The contractors with the most obligated under PSC Z1BA in fiscal years 2026 and 2027 are E Corp ($8,002,606), Enfield Enterprises LLC ($6,383,421) and Walsh Federal LLC ($3,701,549).
Which agencies buy the most under PSC Z1BA?
The agencies that obligated the most under PSC Z1BA in fiscal years 2026 and 2027 are Department of Transportation ($27,321,339), Department of the Army ($466,285) and Department of Homeland Security ($3,500).
Which NAICS codes are used with PSC Z1BA?
The NAICS codes with the most obligated under PSC Z1BA in fiscal years 2026 and 2027 are 236220 Commercial and Institutional Building Construction, 238160 Roofing Contractors and 333921 Elevator and Moving Stairway Manufacturing.
Where is the work under PSC Z1BA performed?
By place of performance, the states with the most contract obligations under PSC Z1BA over the last 12 months are Florida ($6,960,454), Michigan ($4,177,163) and Hawaii ($3,760,017).
What is the latest contract opportunity under PSC Z1BA?
The latest contract opportunity under PSC Z1BA is MEM/
On GovTribe
See everything under PSC Z1BA
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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