PSC S1: Utilities
Service group
Code facts
- Part of
-
- S
- Codes under it
- 5
- Contract awards
- 1,129 In the last 12 months
- Contract obligations
- $3,076,372,260 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 | $29,018,849 |
| FY2026 | $2,469,407,178 |
| FY2025 | $3,076,372,260 |
| FY2024 | $2,842,428,446 |
| FY2023 | $2,859,091,684 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Harris Corporation | $220,640,333 | |
| 2 | American Water Operations And Maintenance, LLC | $116,328,370 | |
| 3 | Foreign Utility Consolidated Reporting | $113,436,170 | |
| 4 | Potomac Electric Power Co | $101,098,234 | |
| 5 | WGL Energy Services, Inc. | $78,864,230 | |
| 6 | Virginia Electric And Power Company | $69,820,304 | |
| 7 | Korea Electric Power Corporation | $64,562,580 | |
| 8 | American Water Military Services, LLC | $53,954,365 | |
| 9 | Direct Energy Business LLC | $52,721,979 | |
| 10 | Atlanta Gas Light Company | $52,115,712 |
See the full FY2025 ranking of PSC S1 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $853,865,430 | |
| 2 | Air Force | $340,262,847 | |
| 3 | Department of Transportation | $260,497,860 | |
| 4 | Department of Justice | $222,548,598 | |
| 5 | Department of Veterans Affairs | $196,454,927 | |
| 6 | Department of Health and Human Services | $161,926,451 | |
| 7 | National Aeronautics and Space Administration | $104,119,526 | |
| 8 | Department of Homeland Security | $95,740,161 | |
| 9 | General Services Administration | $82,817,430 | |
| 10 | Department of the Navy | $59,763,577 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 221122 Electric Power Distribution | $928,079,783 | |
| 2 | 221310 Water Supply and Irrigation Systems | $445,768,768 | |
| 3 | 221210 Natural Gas Distribution | $235,509,613 | |
| 4 | 221118 Other Electric Power Generation | $210,067,854 | |
| 5 | 221112 Fossil Fuel Electric Power Generation | $157,759,392 | |
| 6 | 221320 Sewage Treatment Facilities | $116,909,080 | |
| 7 | 211130 Natural Gas Extraction | $37,217,958 | |
| 8 | 811213 Communication Equipment Repair and Maintenance | $30,884,973 | |
| 9 | 221121 Electric Bulk Power Transmission and Control | $30,596,404 | |
| 10 | 221330 Steam and Air-Conditioning Supply | $23,215,516 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Florida | $315,051,382 | |
| 2 | Maryland | $295,011,663 | |
| 3 | Virginia | $227,592,802 | |
| 4 | Texas | $151,153,818 | |
| 5 | Georgia | $111,325,342 | |
| 6 | California | $96,718,793 | |
| 7 | New York | $95,211,311 | |
| 8 | Alaska | $90,373,230 | |
| 9 | North Carolina | $69,977,867 | |
| 10 | Kentucky | $58,944,097 | |
| 11 | Missouri | $49,652,435 | |
| 12 | Ohio | $47,963,234 | |
| 13 | Washington | $44,764,147 | |
| 14 | South Dakota | $43,614,721 | |
| 15 | Hawaii | $41,624,234 | |
| 16 | Oklahoma | $40,850,669 | |
| 17 | Pennsylvania | $40,049,495 | |
| 18 | Mississippi | $37,380,998 | |
| 19 | District of Columbia | $34,751,005 | |
| 20 | Kansas | $29,269,166 | |
| 21 | Alabama | $28,218,918 | |
| 22 | Louisiana | $26,407,920 | |
| 23 | North Dakota | $24,982,716 | |
| 24 | West Virginia | $24,240,148 | |
| 25 | South Carolina | $24,227,878 | |
| 26 | Utah | $18,837,137 | |
| 27 | Arizona | $17,279,074 | |
| 28 | New Jersey | $13,202,726 | |
| 29 | Illinois | $11,479,559 | |
| 30 | New Mexico | $8,791,365 | |
| 31 | Massachusetts | $7,488,266 | |
| 32 | Connecticut | $7,048,129 | |
| 33 | Indiana | $4,920,172 | |
| 34 | Tennessee | $4,909,269 | |
| 35 | Colorado | $4,734,173 | |
| 36 | Arkansas | $3,860,383 | |
| 37 | Montana | $3,547,289 | |
| 38 | Nebraska | $3,142,488 | |
| 39 | Wyoming | $2,919,844 | |
| 40 | Idaho | $2,186,971 | |
| 41 | Michigan | $2,157,629 | |
| 42 | Minnesota | $2,094,221 | |
| 43 | New Hampshire | $1,984,467 | |
| 44 | Oregon | $1,944,598 | |
| 45 | Maine | $1,469,419 | |
| 46 | Nevada | $1,331,638 | |
| 47 | Iowa | $382,053 | |
| 48 | American Samoa | $374,190 | |
| 49 | Wisconsin | $371,280 | |
| 50 | Puerto Rico | $325,000 | |
| 51 | Northern Mariana Islands | $122,071 | |
| 52 | U.S. Virgin Islands | $96,103 | |
| 53 | Guam | $29,580 |
Show all 53
Shares are of everything obligated under PSC S1 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 1,884 listed here. See the rest on GovTribe.
Codes under S1
Quick answers
What is PSC S1?
PSC S1 is Utilities, a service group in PSC S, Utilities and Housekeeping.
What codes are under PSC S1?
PSC S1 has 5 codes under it with their own GovTribe pages, including S111 Gas Services; S112 Electric Services; and S113 Telephone and/
How much do federal agencies spend under PSC S1?
Federal contracts under PSC S1 obligated $3,076,372,260 in fiscal year 2025 and $11,276,318,418 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC S1?
The contractors with the most obligated under PSC S1 in fiscal years 2026 and 2027 are Harris Corporation ($220,640,333); American Water Operations And Maintenance, LLC ($116,328,370); and Foreign Utility Consolidated Reporting ($113,436,170).
Which agencies buy the most under PSC S1?
The agencies that obligated the most under PSC S1 in fiscal years 2026 and 2027 are Department of the Army ($853,865,430), Air Force ($340,262,847) and Department of Transportation ($260,497,860).
Which NAICS codes are used with PSC S1?
The NAICS codes with the most obligated under PSC S1 in fiscal years 2026 and 2027 are 221122 Electric Power Distribution, 221310 Water Supply and Irrigation Systems and 221210 Natural Gas Distribution.
Where is the work under PSC S1 performed?
By place of performance, the states with the most contract obligations under PSC S1 over the last 12 months are Florida ($315,051,382), Maryland ($295,011,663) and Virginia ($227,592,802).
What is the latest contract opportunity under PSC S1?
The latest contract opportunity under PSC S1 is Grout Maintenance for the Puget Sound VA, solicitation from Veterans Integrated Service Network 20 (VHA), posted October 22, 2026.
On GovTribe
See everything under PSC S1
- 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