NAICS Subsector 221: Utilities

Subsector

Definition

Industries in the Utilities subsector provide electric power, natural gas, steam supply, water supply, and sewage treatment and disposal through a permanent infrastructure of lines, mains, and pipes. Establishments are grouped together based on the utility service provided and the particular system or facilities required to perform the service.

Code facts

Part of
Codes under it
3
Contract awards
1,677 In the last 12 months
Contract obligations
$3,283,044,102 In FY2025

NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $51,275,441
FY2026 $2,454,124,748
FY2025 $3,283,044,102
FY2024 $2,804,728,421
FY2023 $2,712,624,389

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 American Water Operations And Maintenance, LLC $129,742,818
2 Foreign Utility Consolidated Reporting $121,406,699
3 Potomac Electric Power Co $106,342,423
4 Virginia Electric And Power Company $71,855,170
5 Korea Electric Power Corporation $65,073,580
6 WGL Energy Services, Inc. $62,833,958
7 American Water Military Services, LLC $55,331,300
8 Direct Energy Business LLC $53,451,772
9 Atlanta Gas Light Company $52,115,712
10 Black Hills Service Company, LLC $42,939,982

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Army Department of Defense $926,513,021
2 Air Force Department of Defense $377,687,342
3 Department of Justice $225,227,563
4 Department of Veterans Affairs $220,092,776
5 Department of Health and Human Services $150,167,483
6 Department of the Navy Department of Defense $132,011,430
7 National Aeronautics and Space Administration $109,623,422
8 Department of Homeland Security $93,177,236
9 General Services Administration $83,785,698
10 International Boundary and Water Commission U.S.-Mexico $40,031,773

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Maryland $282,955,018
2 Virginia $196,473,536
3 Texas $170,256,299
4 California $125,401,228
5 Georgia $116,842,157
6 Florida $116,203,905
7 New York $85,712,725
8 Alaska $78,211,777
9 North Carolina $76,666,697
10 Kentucky $62,335,753
11 Ohio $53,208,894
12 Missouri $50,909,867
13 Hawaii $50,745,859
14 Washington $49,060,595
15 Oklahoma $45,848,263
16 South Dakota $43,338,096
17 Pennsylvania $39,728,190
18 Mississippi $38,413,940
19 District of Columbia $35,251,462
20 Alabama $33,913,641
21 Louisiana $32,542,335
22 Kansas $32,250,644
23 South Carolina $26,617,310
24 North Dakota $24,789,626
25 Arizona $21,704,103
26 Wisconsin $21,214,346
27 Utah $19,212,891
28 West Virginia $18,890,606
29 New Jersey $16,832,671
30 Colorado $14,730,573
31 Indiana $11,386,695
32 Illinois $10,362,401
33 New Mexico $10,355,889
34 Massachusetts $8,718,604
35 Montana $5,726,610
36 Tennessee $4,979,079
37 Arkansas $4,348,948
38 Connecticut $4,029,006
39 Nebraska $3,787,297
40 Oregon $3,398,028
41 Wyoming $3,329,252
42 Nevada $3,189,571
43 Guam $3,040,640
44 Idaho $2,858,609
45 Michigan $2,802,744
46 Minnesota $2,645,915
47 Maine $1,669,554
48 New Hampshire $1,274,463
49 American Samoa $374,190
50 Iowa $294,442
51 Puerto Rico $209,729
52 Northern Mariana Islands $122,071
53 Vermont $19,015
54 U.S. Virgin Islands $3,914
Show all 54

Shares are of everything obligated under NAICS 221 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Contract opportunities

Notice Posted Due
Circuit breaker Award Notice · Land and Maritime (DLA) · SPE7M126U6911 —
Justification and Approval for Other than Full and Open Competition - CVD Wastewater Treatment Limited / Sole Source Justification · ENDIST San Francisco (USACE) —
Re-Activation of Snake River Water Pump Solicitation · Air Combat Command (USAF)
Circuit breaker Award Notice · Land and Maritime (DLA) · SPE7M127U0051 —
NNMC Water testing, analysis, and filtration services for medical device processing Pre-Solicitation · Indian Health Service
Renewable Energy Credit Solicitation · Office of Science
FCI Oxford - Water Softener Solicitation · BOP Field Acquisition Office
H246--Reverse Osmosis, Deionization Equipment and PE Water Softene 2026-2027 Pre-Solicitation · Veterans Integrated Service Network 22 (VHA)
191D3227R0006 Generator Replacement, Jl. Taman Surapati #3, Menteng, Jakarta Pusat Solicitation · Department of State
PMSC for potable and waste water treatment Solicitation · Department of State
Redstone Arsenal, Alabama – Utility Services Contract Wastewater Utility System 12 Month Extension Limited / Sole Source Justification · Energy (DLA) —
Circuit breaker Award Notice · Land and Maritime (DLA) · SPE7M126U6697 —
H146--water plant personnel - sheridan VA medical center Pre-Solicitation · Veterans Integrated Service Network 19 (VHA)
FCC Yazoo City FY 2027 Water Treatment Services Award Notice · Federal Correctional Complex Yazoo City (BOP) —
W9124J-26-C-A012 P00001 - Leavenworth Sewage Services Limited / Sole Source Justification · MICC Fort Sam Houston —
Water system Maintenance Pre-Solicitation · Veterans Integrated Service Network 20 (VHA)
Sources Sought for the Recapitalization of the Navy’s High Voltage (230kV) Transmission Loop and all Ancillary Equipment at Naval Submarine Base Kings Bay, GA Pre-Solicitation · Naval Facilities Engineering Command (Navy)
Power supply, uninterruptible Solicitation
MN-UPR MS RIV natl wildl-well repairs Award Notice —
Holloman AFB Propane Delivery Solicitation · Air Combat Command (USAF)
Notice of Intent to Sole Source – NSA Annapolis, Maryland UESC Pre-Solicitation · Naval Facilities Engineering Command (Navy)
SPE60427R0400 - miso 2027 Solicitation · Energy (DLA)
Blanket Purchase Agreement - Cleaning and Maintenance of Sewer Systems Solicitation · US Embassy Brussels (DOS)
Circuit breaker Solicitation · Land and Maritime (DLA) · SPE7M127U0911
FY26 Competitive Natural Gas Supply Solicitation Award Notice · 47PA0826D0025 —
S112--OY4 Generator Maintenance Service Contract Award Notice · Veterans Integrated Service Network 16 (VHA) —
FY26 Competitive Natural Gas Supply Solicitation Award Notice · 47PA0826D0022 —
FY26 Competitive Natural Gas Supply Solicitation Award Notice · 47PA0826D0021 —
FY26 Competitive Natural Gas Supply Solicitation Award Notice · 47PA0826D0024 —
BFSU Electricity Services Pre-Solicitation · Indian Health Service
Operations and Maintenance (O&M) Services for the SBIWTP Solicitation · International Boundary and Water Commission U.S.-Mexico
Request for quotes for delivery of LP gas abaord MCB camp lejeune, NC Solicitation · Marine Corps (Navy)
Preventative Maintenance and Repairs for Water Treatment Equipment Award Notice · Naval Air Systems Command (Navy) —
6973GH-26-R-00177 - miniature UPS kits – SIR Solicitation · Franchise Acquisition Servies (FAA)
Waste Water Treatment Plant Services Solicitation · Air Forces Europe and Africa (USAF)
J046--NOTICE OF INTENT TO SOLE SOURCE Baltimore VAMC WRO300H Reverse Osmosis Dialysis Water System Service Support Evoqua Water Technologies, LLC Special Notice · Veterans Integrated Service Network 5 (VHA)
Circuit breaker Award Notice · Land and Maritime (DLA) · SPE7M126U6036 —
Water DE-ionization service Solicitation · Naval Sea Systems Command (Navy)
36-Month Electrical Distribution Testing Solicitation · Veterans Integrated Service Network 7 (VHA) · 36C24727Q0044
Individual Water Treatment Device (IWTD) Laboratory Testing Pre-Solicitation · ACC Aberdeen Proving Ground
Individual Water Treatment Device (IWTD) for Reduction/Removal of Toxic Industrial Chemicals and Materials Pre-Solicitation · ACC Aberdeen Proving Ground
Electric Utility Services, Andover, MA Limited / Sole Source Justification · Internal Revenue Service —
DCDO Septic Tank and Sewage Treatment Maintenance Solicitation · Pacific Air Forces (USAF)
Chlorination Systems and Maintenance - FWA Solicitation · Army Contracting Command (AMC)
Circuit breaker Solicitation · Land and Maritime (DLA) · SPE7M127U0564
Circuit breaker Solicitation · Land and Maritime (DLA) · SPE7M127U0051
Circuit breaker Solicitation · Land and Maritime (DLA) · SPE7M127U0151
Electricity 2027 Solicitation · Reserve Command (USAF)
H946--Water System Chemical Treatment Services Award Notice · Veterans Integrated Service Network 19 (VHA) —
36-Month Electrical Distribution Testing Pre-Solicitation · Veterans Integrated Service Network 7 (VHA) · 508-27-1-535-0003
Show 40 more

Latest 50 of 12,127 listed here. See the rest on GovTribe.

Codes under 221

Quick answers

What is NAICS 221?

NAICS 221 is Utilities, a subsector in NAICS 22, Utilities.

What codes are under NAICS 221?

NAICS 221 has 3 codes under it with their own GovTribe pages: 2211 Electric Power Generation, Transmission and Distribution; 2212 Natural Gas Distribution; and 2213 Water, Sewage and Other Systems.

How much do federal agencies spend under NAICS 221?

Federal contracts under NAICS 221 obligated $3,283,044,102 in fiscal year 2025 and $11,305,797,101 in fiscal years 2023 through 2027.

Who are the largest contractors under NAICS 221?

The contractors with the most obligated under NAICS 221 in fiscal years 2026 and 2027 are American Water Operations And Maintenance, LLC ($129,742,818); Foreign Utility Consolidated Reporting ($121,406,699); and Potomac Electric Power Co ($106,342,423).

Which agencies buy the most under NAICS 221?

The agencies that obligated the most under NAICS 221 in fiscal years 2026 and 2027 are Department of the Army ($926,513,021), Air Force ($377,687,342) and Department of Justice ($225,227,563).

Which PSC codes are used with NAICS 221?

The PSC codes with the most obligated under NAICS 221 in fiscal years 2026 and 2027 are S112 Electric Services, S114 Water Services and S119 Other Utilities.

Where is the work under NAICS 221 performed?

By place of performance, the states with the most contract obligations under NAICS 221 over the last 12 months are Maryland ($282,955,018), Virginia ($196,473,536) and Texas ($170,256,299).

What is the latest contract opportunity under NAICS 221?

The latest contract opportunity under NAICS 221 is Circuit breaker, award notice from Land and Maritime (DLA), posted November 10, 2026.

On GovTribe

See everything under NAICS 221

  • Federal contract opportunities, awards and IDVs under this code
  • Funding analysis by contractor, agency and set-aside
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