Top 100 Contractors in NAICS 221122: Electric Power Distribution, FY2025

Name: Top 100 Contractors in NAICS 221122: Electric Power Distribution, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 54% of FY2025 NAICS 221122 contract dollars

Contract obligations: $1,166,605,971 Net of deobligations, by contracts coded NAICS 221122
Contractors: 329 Parent companies with an obligation
Largest contractor: Amber Infrastructure LLC $116 million, 9.5% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Amber Infrastructure LLC 6 awardees, including City Light & Power Aberdeen, LLC, City Light & Power, Inc. and City Light & Power Jblm LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$116,132,560	9.5%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2024; up 1 since FY2024.
2	Constellation Newenergy, Inc. 6 awardees, including Baltimore Gas and Electric Company, Commonwealth Edison Co and Peco Energy Company Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) SSA (Social Security Administration)	$107,765,511	8.8%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2024; up 11 since FY2024.
3	Foreign Utility Consolidated Reporting Top agencies Army (Department of the Army)	$98,321,334	8.1%	Rank history: #1 in FY2021, #2 in FY2022, #1 in FY2023 and #1 in FY2024; down 2 since FY2024.
4	Dominion Resources Inc. 10 awardees, including Dominion Privatization Texas, LLC, Dominion Privatization Virginia, LLC and Dominion Privatization South Carolina LLC Top agencies Army (Department of the Army) DOT (Department of Transportation) Smithsonian (Smithsonian Institution)	$63,694,268	5.2%	Rank history: #3 in FY2021, #3 in FY2022, #2 in FY2023 and #3 in FY2024; down 1 since FY2024.
5	Pacific Gas and Electric Company Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DOI (Department of the Interior)	$60,162,981	4.9%	Rank history: not on the FY2021–FY2023 lists and #5 in FY2024; unchanged since FY2024.
6	WGL Energy Services Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$51,319,087	4.2%	Rank history: #23 in FY2021, #33 in FY2022, #71 in FY2023 and #8 in FY2024; up 2 since FY2024.
7	Korea Electric Power Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$46,714,802	3.8%	Rank history: #13 in FY2021 and not on the FY2022–FY2024 lists; returned.
8	Georgia Power Company 4 awardees, including Alabama Power Company and Mississippi Power Co Top agencies Army (Department of the Army) DOJ (Department of Justice) USAF (Department of the Air Force)	$45,192,305	3.7%	Rank history: #5 in FY2021, #6 in FY2022, #7 in FY2023 and #7 in FY2024; down 1 since FY2024.
9	Vicinity Energy Inc. Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration)	$42,193,371	3.5%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023 and #77 in FY2024; up 68 since FY2024.
10	Water Authority Busan Metropolitan City Korea Through Korea Electric Power Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$32,399,287	2.7%	Rank history: #4 in FY2021, #7 in FY2022, #4 in FY2023 and #4 in FY2024; down 6 since FY2024.
11	Puget Sound Energy Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DOI (Department of the Interior)	$25,978,910	2.1%	Rank history: #50 in FY2021, #72 in FY2022, #49 in FY2023 and #67 in FY2024; up 56 since FY2024.
12	Potomac Electric Power Co Top agencies Smithsonian (Smithsonian Institution) Treasury (Department of the Treasury) DOS (Department of State)	$24,058,492	2.0%	Rank history: not on the FY2021 list, #37 in FY2022, not on the FY2023 list and #60 in FY2024; up 48 since FY2024.
13	Consolidated Edison Inc. 2 awardees, including Consolidated Edison Company of New York, Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) SSA (Social Security Administration)	$23,341,967	1.9%	Rank history: #19 in FY2021, #27 in FY2022, #6 in FY2023 and #15 in FY2024; up 2 since FY2024.
14	Duke Energy Corporation 2 awardees, including Duke Energy Progress, LLC and Duke Energy Carolinas, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOJ (Department of Justice)	$20,474,549	1.7%	Rank history: #11 in FY2021, #4 in FY2022, #5 in FY2023 and #10 in FY2024; down 4 since FY2024.
15	Direct Energy Business LLC Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$19,892,102	1.6%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2024; up 4 since FY2024.
16	Florida Power & Light Company 2 awardees Top agencies NASA (National Aeronautics and Space Administration) DOJ (Department of Justice) Army (Department of the Army)	$19,560,958	1.6%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; down 2 since FY2024.
17	RIO Grande Electric Cooperative, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$19,489,301	1.6%	Rank history: #6 in FY2021, #11 in FY2022, #15 in FY2023 and #12 in FY2024; down 5 since FY2024.
18	Oklahoma Gas and Electric Company Top agencies USAF (Department of the Air Force)	$18,632,412	1.5%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2024; up 9 since FY2024.
19	Engie Resources LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) AFRH (Armed Forces Retirement Home)	$17,608,791	1.4%	Rank history: #26 in FY2021, #54 in FY2022, not on the FY2023 list and #30 in FY2024; up 11 since FY2024.
20	Black Hills Corporation 2 awardees, including Black Hills Service Company, LLC and Black Hills Utility Holdings Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DOI (Department of the Interior)	$17,510,511	1.4%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; up 11 since FY2024.
21	Choctawhatchee Electric Cooperative Inc. Top agencies USAF (Department of the Air Force)	$16,622,502	1.4%	Rank history: not on the FY2021–FY2023 lists and #18 in FY2024; down 3 since FY2024.
22	Canoochee Electric Membership Corp Top agencies Army (Department of the Army)	$14,915,981	1.2%	Rank history: #17 in FY2021, #17 in FY2022, #22 in FY2023 and #16 in FY2024; down 6 since FY2024.
23	The AES Corporation Through The Dayton Power and Light Company Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$14,913,646	1.2%	Rank history: #42 in FY2021, #30 in FY2022, #31 in FY2023 and #37 in FY2024; up 14 since FY2024.
24	Gulf Coast Electric Cooperative Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$13,132,141	1.1%	Rank history: #15 in FY2021, #1 in FY2022, #20 in FY2023 and #29 in FY2024; up 5 since FY2024.
25	Nolin Rural Electric Cooperative Corporation Top agencies Army (Department of the Army)	$11,220,809	0.9%	Rank history: #35 in FY2021, #15 in FY2022, #16 in FY2023 and #17 in FY2024; down 8 since FY2024.
26	Hawaiian Electric Company, Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) DHS (Department of Homeland Security)	$9,415,956	0.8%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; up 8 since FY2024.
27	Brunswick Electric Membership Corporation Top agencies Army (Department of the Army)	$8,855,344	0.7%	Rank history: #71 in FY2021, #64 in FY2022, #73 in FY2023 and #32 in FY2024; up 5 since FY2024.
28	Dominion Privatization South Carolina LLC Top agencies Army (Department of the Army)	$7,930,095	0.6%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; down 8 since FY2024.
29	Flint Electric Membership Corp Top agencies Army (Department of the Army)	$7,493,915	0.6%	Rank history: #31 in FY2021, #20 in FY2022, #29 in FY2023 and #22 in FY2024; down 7 since FY2024.
30	City Public Services Board Top agencies USAF (Department of the Air Force)	$7,377,068	0.6%	Rank history: #25 in FY2021, #24 in FY2022, #34 in FY2023 and #23 in FY2024; down 7 since FY2024.
31	Verendrye Electric Cooperative Inc. Top agencies USAF (Department of the Air Force)	$6,632,144	0.5%	Rank history: #41 in FY2021, #40 in FY2022, #43 in FY2023 and #35 in FY2024; up 4 since FY2024.
32	Entergy Louisiana LLC Top agencies Army (Department of the Army) DOT (Department of Transportation)	$6,228,706	0.5%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2024; down 4 since FY2024.
33	American Water Enterprises, LLC Top agencies Army (Department of the Army)	$6,122,484	0.5%	Rank history: not on the FY2021 list, #41 in FY2022, #30 in FY2023 and #42 in FY2024; up 9 since FY2024.
34	Sulphur Springs Valley Electric Cooperative Inc. Top agencies Army (Department of the Army)	$5,818,574	0.5%	Rank history: #39 in FY2021, #34 in FY2022, #37 in FY2023 and #48 in FY2024; up 14 since FY2024.
35	El Paso Electric Company Top agencies NASA (National Aeronautics and Space Administration) DOJ (Department of Justice) IBWC (International Boundary and Water Commission U.S.-Mexico)	$5,632,820	0.5%	Rank history: #64 in FY2021, #43 in FY2022, #59 in FY2023 and #72 in FY2024; up 37 since FY2024.
36	Southern Maryland Electric Cooperative, Inc. Top agencies Navy (Department of the Navy)	$5,573,995	0.5%	Rank history: not on the FY2021 list, #99 in FY2022, #38 in FY2023 and #88 in FY2024; up 52 since FY2024.
37	Laclede Electric Cooperative Top agencies Army (Department of the Army)	$5,460,836	0.4%	Rank history: #32 in FY2021, #31 in FY2022, #32 in FY2023 and #43 in FY2024; up 6 since FY2024.
38	Hosei Co., Ltd. Top agencies Navy (Department of the Navy)	$4,503,208	0.4%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; up 6 since FY2024.
39	American Electric Power Company, Inc. 2 awardees, including Public Service Company of Oklahoma Top agencies DOJ (Department of Justice) Army (Department of the Army) HHS (Department of Health and Human Services)	$4,300,086	0.4%	Rank history: #12 in FY2021, not on the FY2022 list, #72 in FY2023 and #36 in FY2024; down 3 since FY2024.
40	Pinnacle West Capital Corporation Through Arizona Public Service Company Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior) DOJ (Department of Justice)	$4,293,641	0.4%	Rank history: #48 in FY2021, #44 in FY2022, #11 in FY2023 and #47 in FY2024; up 7 since FY2024.
41	Freestate Electric Cooperative, Inc. Top agencies Army (Department of the Army)	$4,104,640	0.3%	Rank history: #49 in FY2021, #48 in FY2022, #35 in FY2023 and #40 in FY2024; down 1 since FY2024.
42	Omaha Public Power District Top agencies USAF (Department of the Air Force)	$4,000,014	0.3%	Rank history: #45 in FY2021, #55 in FY2022, #28 in FY2023 and #64 in FY2024; up 22 since FY2024.
43	OGE Energy Corp Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$3,990,559	0.3%	Rank history: #18 in FY2021, #18 in FY2022, #17 in FY2023 and #11 in FY2024; down 32 since FY2024.
44	Sumter Electric Cooperative, Inc. Top agencies DOJ (Department of Justice)	$3,921,913	0.3%	Rank history: #47 in FY2021, #42 in FY2022, #40 in FY2023 and #74 in FY2024; up 30 since FY2024.
45	Eversource Energy 2 awardees, including Eversource Energy Service Company and Nstar Electric Company Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) VA (Department of Veterans Affairs)	$3,552,290	0.3%	Rank history: not on the FY2021 list, #88 in FY2022, #46 in FY2023 and #50 in FY2024; up 5 since FY2024.
46	Plumas-Sierra Rural Electric Co-Operative Top agencies Army (Department of the Army)	$3,504,858	0.3%	Rank history: #59 in FY2021, #36 in FY2022, #41 in FY2023 and #45 in FY2024; down 1 since FY2024.
47	NRG Business Marketing LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$3,426,106	0.3%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2023 and not on the FY2024 list; returned.
48	Memphis Light Gas & Water Top agencies Treasury (Department of the Treasury)	$3,353,066	0.3%	Rank history: not on the FY2021–FY2024 lists; up 117 since FY2024.
49	Yazoo Valley Electric Power Association Top agencies DOJ (Department of Justice)	$3,341,871	0.3%	Rank history: #43 in FY2021, #46 in FY2022, #48 in FY2023 and #55 in FY2024; up 6 since FY2024.
50	Endesa Energia S.A. Top agencies Navy (Department of the Navy)	$3,292,046	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
51	City of Austin 2 awardees Top agencies Treasury (Department of the Treasury) GSA (General Services Administration)	$3,244,692	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
52	High West Energy, Inc. Top agencies USAF (Department of the Air Force)	$3,052,248	0.3%	Rank history: #55 in FY2021, #62 in FY2022, #44 in FY2023 and #66 in FY2024; up 14 since FY2024.
53	Firstenergy Corp. 5 awardees, including The Cleveland Electric Illuminating Co, The Potomac Edison Co and Pennsylvania Electric Co Top agencies NASA (National Aeronautics and Space Administration) DOJ (Department of Justice) Commerce (Department of Commerce)	$2,948,075	0.2%	Rank history: #38 in FY2021, #32 in FY2022, #26 in FY2023 and #33 in FY2024; down 20 since FY2024.
54	SAN Diego Gas & Electric Company Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico) DOJ (Department of Justice) DOT (Department of Transportation)	$2,888,845	0.2%	Rank history: #27 in FY2021, #25 in FY2022, #36 in FY2023 and #26 in FY2024; down 28 since FY2024.
55	Evergy Missouri West, Inc. Top agencies DOE (Department of Energy) NARA (National Archives and Records Administration) Treasury (Department of the Treasury)	$2,834,773	0.2%	Rank history: not on the FY2021–FY2024 lists; up 83 since FY2024.
56	UNS Energy Corporation 2 awardees, including Uns Electric, Inc. and Tucson Electric Power Company Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico) DOJ (Department of Justice) Smithsonian (Smithsonian Institution)	$2,790,571	0.2%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; up 30 since FY2024.
57	Rappahannock Electric Cooperative Top agencies Army (Department of the Army) Smithsonian (Smithsonian Institution) DOI (Department of the Interior)	$2,727,524	0.2%	Rank history: #62 in FY2021, #59 in FY2022, #60 in FY2023 and #58 in FY2024; up 1 since FY2024.
58	Nodak Electric Cooperative Inc. Top agencies USAF (Department of the Air Force)	$2,504,026	0.2%	Rank history: #58 in FY2021, #60 in FY2022, #57 in FY2023 and #62 in FY2024; up 4 since FY2024.
59	Cooperative Utility Services LLC Top agencies USAF (Department of the Air Force)	$2,496,422	0.2%	Rank history: #54 in FY2021, #57 in FY2022, #65 in FY2023 and #59 in FY2024; unchanged since FY2024.
60	Entergy Corporation Through Entergy Arkansas, LLC Top agencies USAF (Department of the Air Force)	$2,418,975	0.2%	Rank history: #21 in FY2021, #28 in FY2022, #19 in FY2023 and #49 in FY2024; down 11 since FY2024.
61	Illinois Power Marketing Company, LLC Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$2,357,346	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
62	Wellton-Mohawk Co-Op Top agencies Army (Department of the Army)	$2,125,000	0.2%	Rank history: #51 in FY2021, #63 in FY2022, #52 in FY2023 and #70 in FY2024; up 8 since FY2024.
63	Xcel Energy Inc. 4 awardees, including Public Service Company of Colorado and Northern States Power Company Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury) DOI (Department of the Interior)	$2,044,422	0.2%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2024; up 10 since FY2024.
64	Dynegy Energy Services (EAST) LLC Through Illinois Power Marketing Company, LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$2,037,131	0.2%	Rank history: #52 in FY2021, #53 in FY2022, #68 in FY2023 and #52 in FY2024; down 12 since FY2024.
65	Griffiss Utility Services Corporation Top agencies USAF (Department of the Air Force)	$1,880,513	0.2%	Rank history: #73 in FY2021, #58 in FY2022, #67 in FY2023 and #83 in FY2024; up 18 since FY2024.
66	Valley Electric Association Inc. Top agencies USAF (Department of the Air Force)	$1,728,418	0.1%	Rank history: #84 in FY2021, #39 in FY2022, #21 in FY2023 and #82 in FY2024; up 16 since FY2024.
67	Berkshire Hathaway Inc. 3 awardees, including Pacificorp, Nevada Power Company and Sierra Pacific Power Company Top agencies Treasury (Department of the Treasury) DOI (Department of the Interior) HHS (Department of Health and Human Services)	$1,688,688	0.1%	Rank history: not on the FY2021 list, #93 in FY2022, #88 in FY2023 and #79 in FY2024; up 12 since FY2024.
68	Yakama Power Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$1,658,005	0.1%	Rank history: #67 in FY2021, #67 in FY2022, #61 in FY2023 and not on the FY2024 list; up 33 since FY2024.
69	Nextera Energy Inc. 4 awardees, including Gexa Energy, LP, Gulf Power Company and Florida Power & Light Company Top agencies Army (Department of the Army) DECA (Defense Commissary Agency) EPA (Environmental Protection Agency)	$1,635,109	0.1%	Rank history: #7 in FY2021, #12 in FY2022, #8 in FY2023 and #68 in FY2024; down 1 since FY2024.
70	PG&E Corporation Through Pacific Energy Fuels Company Top agencies Army (Department of the Army)	$1,513,422	0.1%	Rank history: #9 in FY2021, #13 in FY2022, #10 in FY2023 and #24 in FY2024; down 46 since FY2024.
71	Ameren Corporation Through Ameren Services Company Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$1,507,804	0.1%	Rank history: not on the FY2021–FY2024 lists; up 70 since FY2024.
72	Edison International Top agencies NARA (National Archives and Records Administration) DOT (Department of Transportation) HHS (Department of Health and Human Services)	$1,479,899	0.1%	Rank history: #28 in FY2021, not on the FY2022 list, #55 in FY2023 and #75 in FY2024; up 3 since FY2024.
73	Letterkenny Industrial Development A Top agencies Army (Department of the Army)	$1,400,000	0.1%	Rank history: not on the FY2021 list, #51 in FY2022, #64 in FY2023 and #61 in FY2024; down 12 since FY2024.
74	Northwestern Corp Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$1,378,829	0.1%	Rank history: #37 in FY2021, #45 in FY2022, #47 in FY2023 and #53 in FY2024; down 21 since FY2024.
75	The Navajo Nation Tribal Government Through Navajo Tribal Utility Authority Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$1,336,154	0.1%	Rank history: not on the FY2021–FY2024 lists; up 107 since FY2024.
76	City of Gallup Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$1,303,550	0.1%	Rank history: #61 in FY2021, #73 in FY2022, #79 in FY2023 and #69 in FY2024; down 7 since FY2024.
77	Powell Valley Electric Cooperative Top agencies DOJ (Department of Justice)	$1,257,138	0.1%	Rank history: #77 in FY2021, #75 in FY2022, #83 in FY2023 and #81 in FY2024; up 4 since FY2024.
78	Mitomo Co., Ltd. Top agencies Navy (Department of the Navy)	$1,217,324	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Evergy Kansas Central Inc. Top agencies DOI (Department of the Interior) DOJ (Department of Justice) NARA (National Archives and Records Administration)	$1,216,736	0.1%	Rank history: not on the FY2021–FY2023 lists and #95 in FY2024; up 16 since FY2024.
80	Continental Divide Electric Cooperative, Inc. Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$1,155,025	0.1%	Rank history: #90 in FY2021, #91 in FY2022, #82 in FY2023 and #76 in FY2024; down 4 since FY2024.
81	Idaho Power Company Top agencies DOJ (Department of Justice) DOI (Department of the Interior) HHS (Department of Health and Human Services)	$1,121,307	0.1%	Rank history: not on the FY2021–FY2024 lists; up 100 since FY2024.
82	Hope Gas, Inc. Top agencies DOJ (Department of Justice) HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$1,110,752	0.1%	Rank history: not on the FY2021–FY2024 lists; up 25 since FY2024.
83	Johnson Controls Government Systems, LLC Top agencies USAF (Department of the Air Force)	$1,103,638	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	Long Island Power Authority Top agencies Treasury (Department of the Treasury)	$974,041	0.1%	Rank history: #81 in FY2021, #76 in FY2022, #86 in FY2023 and not on the FY2024 list; up 25 since FY2024.
85	Imperial Irrigation District Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$960,336	0.1%	Rank history: not on the FY2021 list, #96 in FY2022, #100 in FY2023 and #87 in FY2024; up 2 since FY2024.
86	Santee Electric Cooperative Inc. Top agencies DOJ (Department of Justice)	$950,181	0.1%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2024; up 6 since FY2024.
87	Florida Public Utilities Company Top agencies DOJ (Department of Justice)	$945,822	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	Spire Alabama Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) Army (Department of the Army)	$916,118	0.1%	Rank history: not on the FY2021–FY2024 lists; up 22 since FY2024.
89	Nextera Energy Services Connecticut, LLC Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$856,649	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
90	Porr Government Services Benelux Top agencies Army (Department of the Army)	$855,684	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
91	4-County Electric Power Association Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$847,867	0.1%	Rank history: #100 in FY2021, #97 in FY2022, not on the FY2023 list and #89 in FY2024; down 2 since FY2024.
92	Kentucky Utilities Company Top agencies DOJ (Department of Justice)	$806,995	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	Johnson Controls, K.K. Top agencies Navy (Department of the Navy)	$666,976	0.1%	Rank history: not on the FY2021–FY2024 lists; up 12 since FY2024.
94	Big Horn County Electric Cooperative Inc. Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$568,667	<0.1%	Rank history: not on the FY2021 list, #87 in FY2022 and not on the FY2023–FY2024 lists; up 22 since FY2024.
95	Allete, Inc. Top agencies DOJ (Department of Justice) Army (Department of the Army)	$538,409	<0.1%	Rank history: not on the FY2021 list, #78 in FY2022 and not on the FY2023–FY2024 lists; up 47 since FY2024.
96	Texamericas Center Top agencies Army (Department of the Army)	$491,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 7 since FY2024.
97	Ckenergy Electric Cooperative Inc. Top agencies DOI (Department of the Interior)	$483,069	<0.1%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2024; up 2 since FY2024.
98	AEP Texas Inc. Top agencies USAF (Department of the Air Force)	$428,722	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	City of Riverside Top agencies DOI (Department of the Interior)	$417,420	<0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; down 3 since FY2024.
100	Nebraska Public Power District Top agencies DOI (Department of the Interior)	$416,899	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 6 since FY2024.

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100 of 329 contractors listed here. See the rest on GovTribe.

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $1.22 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2025 ran Oct 1, 2024 – Sep 30, 2025. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2024. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2024 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 221122 contractors in FY2025?

1. Amber Infrastructure LLC ($116M), 2. Constellation Newenergy, Inc. ($108M), 3. Foreign Utility Consolidated Reporting ($98.3M), 4. Dominion Resources Inc. ($63.7M), 5. Pacific Gas and Electric Company ($60.2M), 6. WGL Energy Services Inc. ($51.3M), 7. Korea Electric Power Corporation ($46.7M), 8. Georgia Power Company ($45.2M), 9. Vicinity Energy Inc. ($42.2M), 10. Water Authority Busan Metropolitan City Korea ($32.4M).

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