PSC Z1NA: Maintenance of Fuel Supply Facilities
Service code
Code facts
- Spend category
- Facilities & Construction Facility Related Services
- Part of
-
-
Z
- Z1
-
Z
- Contract awards
- 37 In the last 12 months
- Contract obligations
- $188,967,909 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 | $159,615,937 |
| FY2025 | $188,967,909 |
| FY2024 | $413,045,667 |
| FY2023 | $281,472,567 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Pond Constructors Inc. | $50,301,095 | |
| 2 | Aptim Federal Services, LLC | $35,317,433 | |
| 3 | Weston Solutions Inc. | $33,123,614 | |
| 4 | Tetra TECH Inc. | $21,403,826 | |
| 5 | VGS Infrastructure Services Inc. | $13,459,202 | |
| 6 | Amentum Technology, Inc. | $2,983,336 | |
| 7 | Tepco Energy Partner, Incorporated | $2,562,458 | |
| 8 | Environmental Chemical Corporation Italy S.R.L. | $2,334,439 | |
| 9 | WSP Italia S.R.L. | $2,189,375 | |
| 10 | Environmental Chemical Corporation | $1,279,228 |
See the full FY2025 ranking of PSC Z1NA contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $141,017,173 | |
| 2 | Defense Logistics Agency | $11,063,579 | |
| 3 | Department of the Navy | $6,288,825 | |
| 4 | Department of State | $762,161 | |
| 5 | Department of Homeland Security | $340,965 | |
| 6 | Department of the Interior | $52,500 | |
| 7 | Department of Agriculture | $49,954 | |
| 8 | Air Force | $35,580 | |
| 9 | Department of Veterans Affairs | $5,200 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 561210 Facilities Support Services | $132,821,905 | |
| 2 | 541330 Engineering Services | $21,433,523 | |
| 3 | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $2,717,616 | |
| 4 | 541990 All Other Professional, Scientific, and Technical Services | $744,025 | |
| 5 | 238990 All Other Specialty Trade Contractors | $449,844 | |
| 6 | 213112 Support Activities for Oil and Gas Operations | $446,246 | |
| 7 | 236220 Commercial and Institutional Building Construction | $417,401 | |
| 8 | 238390 Other Building Finishing Contractors | $121,514 | |
| 9 | 332420 Metal Tank (Heavy Gauge) Manufacturing | $60,635 | |
| 10 | 523910 Miscellaneous Intermediation | $49,018 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Georgia | $49,806,176 | |
| 2 | Louisiana | $34,249,945 | |
| 3 | California | $18,737,407 | |
| 4 | Texas | $11,150,217 | |
| 5 | Illinois | $9,742,228 | |
| 6 | Colorado | $8,924,584 | |
| 7 | South Carolina | $6,732,839 | |
| 8 | Florida | $6,502,243 | |
| 9 | Virginia | $5,242,261 | |
| 10 | Alabama | $3,637,712 | |
| 11 | Washington | $3,375,238 | |
| 12 | Pennsylvania | $787,692 | |
| 13 | South Dakota | $345,680 | |
| 14 | District of Columbia | $337,665 | |
| 15 | Alaska | $52,500 | |
| 16 | Kansas | $38,944 | |
| 17 | Maryland | $11,010 | |
| 18 | Massachusetts | $6,443 | |
| 19 | Rhode Island | $3,300 | |
| 20 | Mississippi | $2,995 |
Show all 20
Shares are of everything obligated under PSC Z1NA 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 218 listed here. See the rest on GovTribe.
Quick answers
What is PSC Z1NA?
PSC Z1NA is Maintenance of Fuel Supply Facilities, a service code in PSC Z, Maintenance, Repair, Alteration Real Property.
How much do federal agencies spend under PSC Z1NA?
Federal contracts under PSC Z1NA obligated $188,967,909 in fiscal year 2025 and $1,043,102,079 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Z1NA?
The contractors with the most obligated under PSC Z1NA in fiscal years 2026 and 2027 are Pond Constructors Inc. ($50,301,095); Aptim Federal Services, LLC ($35,317,433); and Weston Solutions Inc. ($33,123,614).
Which agencies buy the most under PSC Z1NA?
The agencies that obligated the most under PSC Z1NA in fiscal years 2026 and 2027 are Department of the Army ($141,017,173), Defense Logistics Agency ($11,063,579) and Department of the Navy ($6,288,825).
Which NAICS codes are used with PSC Z1NA?
The NAICS codes with the most obligated under PSC Z1NA in fiscal years 2026 and 2027 are 561210 Facilities Support Services, 541330 Engineering Services and 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.
Where is the work under PSC Z1NA performed?
By place of performance, the states with the most contract obligations under PSC Z1NA over the last 12 months are Georgia ($49,806,176), Louisiana ($34,249,945) and California ($18,737,407).
What is the latest contract opportunity under PSC Z1NA?
The latest contract opportunity under PSC Z1NA is Fort Campbell, KY - API 653 External Tank Inspection, solicitation from ENDIST Omaha (USACE), posted October 22, 2026.
On GovTribe
See everything under PSC Z1NA
- 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