Top 100 Contractors in NAICS 22111: Electric Power Generation, FY2021

Name: Top 100 Contractors in NAICS 22111: Electric Power Generation, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 63% of FY2021 NAICS 22111 contract dollars

Contract obligations: $438,396,698 Net of deobligations, by contracts coded NAICS 22111 or a code under it
Contractors: 206 Parent companies with an obligation
Largest contractor: Doyon Utilities LLC $94.2 million, 18.7% 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	Doyon Utilities LLC 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$94,242,709	18.7%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #2 in FY2025; up 1 since FY2020.
2	Exelon Corporation 10 awardees, including Potomac Electric Power Co, Constellation Newenergy, Inc. and Peco Energy Company Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) GSA (General Services Administration)	$78,980,020	15.7%	Rank history: #2 in FY2022, #2 in FY2023, #9 in FY2024 and #48 in FY2025; up 9 since FY2020.
3	Keenan FT Detrick Energy LLC Top agencies Army (Department of the Army)	$43,080,293	8.5%	Rank history: #3 in FY2022, #5 in FY2023, #4 in FY2024 and #6 in FY2025; up 1 since FY2020.
4	National Grid PLC Through National Grid USA Service Company, Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) SSA (Social Security Administration)	$18,085,027	3.6%	Rank history: #12 in FY2022, #24 in FY2023, #43 in FY2024 and not on the FY2025 list; up 5 since FY2020.
5	Dominion Resources Inc. 2 awardees, including Virginia Electric and Power Company and Dominion Energy South Carolina, Inc. Top agencies NASA (National Aeronautics and Space Administration) DOJ (Department of Justice) Army (Department of the Army)	$16,643,283	3.3%	Rank history: #4 in FY2022, #4 in FY2023, #7 in FY2024 and #3 in FY2025; unchanged since FY2020.
6	Firstenergy Corporation 8 awardees, including Monongahela Power Company, The Potomac Edison Co and Ohio Edison Company Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$15,686,581	3.1%	Rank history: #10 in FY2022, #11 in FY2023, #16 in FY2024 and #9 in FY2025; up 21 since FY2020.
7	American Electric Power Company, Inc. 3 awardees, including AEP Energy Inc. and Public Service Company of Oklahoma Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice) Army (Department of the Army)	$14,048,804	2.8%	Rank history: #8 in FY2022, #3 in FY2023, #5 in FY2024 and #33 in FY2025; unchanged since FY2020.
8	Reenergy Black River LLC Top agencies DLA (Defense Logistics Agency)	$12,524,923	2.5%	Rank history: #14 in FY2022, #17 in FY2023 and not on the FY2024–FY2025 lists; up 6 since FY2020.
9	Golden Valley Electric Association Inc. Top agencies Army (Department of the Army)	$11,521,555	2.3%	Rank history: #13 in FY2022, #13 in FY2023, #12 in FY2024 and #16 in FY2025; up 4 since FY2020.
10	Centerpoint Energy, Inc. Through Centerpoint Energy Resources Corp. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOJ (Department of Justice)	$10,966,397	2.2%	Rank history: #11 in FY2022, #14 in FY2023, #48 in FY2024 and not on the FY2025 list; up 18 since FY2020.
11	Centrica PLC 2 awardees, including Direct Energy Business LLC and NRG Business Marketing LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) GSA (General Services Administration)	$10,078,069	2.0%	Rank history: #18 in FY2022, #8 in FY2023, #10 in FY2024 and not on the FY2025 list; up 7 since FY2020.
12	WGL Energy Services Inc. 2 awardees Top agencies HHS (Department of Health and Human Services) Army (Department of the Army)	$8,565,772	1.7%	Rank history: #7 in FY2022, #7 in FY2023, #13 in FY2024 and #13 in FY2025; unchanged since FY2020.
13	Cummins Inc. 2 awardees, including Cummins Power Generation Inc. Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs)	$7,269,437	1.4%	Rank history: not on the FY2022–FY2025 lists; up 181 since FY2020.
14	Nextera Energy Inc. 2 awardees, including Gexa Energy, LP Top agencies NASA (National Aeronautics and Space Administration) EPA (Environmental Protection Agency) Army (Department of the Army)	$6,144,442	1.2%	Rank history: #9 in FY2022, #10 in FY2023, #6 in FY2024 and #7 in FY2025; up 12 since FY2020.
15	Entergy Corporation Through Entergy Louisiana, LLC Top agencies DOJ (Department of Justice) Army (Department of the Army) DOI (Department of the Interior)	$5,776,563	1.1%	Rank history: #15 in FY2022, #9 in FY2023, #23 in FY2024 and not on the FY2025 list; unchanged since FY2020.
16	Xcel Energy 3 awardees, including Southwestern Public Service Company, Public Service Company of Colorado and Northern States Power Company Top agencies DOI (Department of the Interior) Treasury (Department of the Treasury) Army (Department of the Army)	$4,862,030	1.0%	Rank history: #19 in FY2022, #16 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
17	Dynegy Energy Services (EAST) LLC 3 awardees, including TXU Energy Retail Company LLC and Illinois Power Marketing Company, LLC Top agencies USAF (Department of the Air Force) GSA (General Services Administration) VA (Department of Veterans Affairs)	$4,732,701	0.9%	Rank history: #17 in FY2022, #23 in FY2023, #26 in FY2024 and not on the FY2025 list; up 65 since FY2020.
18	Hawaii Electric Light Company Inc. 2 awardees, including Hawaiian Electric Company, Inc. Top agencies USAF (Department of the Air Force) DOJ (Department of Justice) Smithsonian (Smithsonian Institution)	$4,482,065	0.9%	Rank history: #20 in FY2022, #19 in FY2023, #44 in FY2024 and not on the FY2025 list; down 1 since FY2020.
19	NRG Energy, Inc. 3 awardees, including Direct Energy Business LLC, Reliant Energy Retail Services, LLC and NRG Business Marketing LLC Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) DOJ (Department of Justice)	$4,375,408	0.9%	Rank history: #6 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
20	TXU Energy Retail Company LLC Top agencies USAF (Department of the Air Force)	$4,354,000	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
21	Vandenberg Solar I, LLC Top agencies USAF (Department of the Air Force)	$3,888,976	0.8%	Rank history: #22 in FY2022, #22 in FY2023, #22 in FY2024 and #14 in FY2025; up 8 since FY2020.
22	PPL Corporation 3 awardees, including PPL Electric Utilities Corporation and Kentucky Utilities Company Top agencies DOJ (Department of Justice) SSA (Social Security Administration) Army (Department of the Army)	$2,781,784	0.6%	Rank history: #27 in FY2022, #31 in FY2023, #63 in FY2024 and not on the FY2025 list; up 22 since FY2020.
23	PG&E Corporation Through Pacific Gas and Electric Company Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$2,692,756	0.5%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
24	County of Lycoming Top agencies DOJ (Department of Justice)	$2,465,014	0.5%	Rank history: #30 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; up 17 since FY2020.
25	San Luis Butane Distributors Top agencies Army (Department of the Army)	$2,402,016	0.5%	Rank history: #28 in FY2022, #20 in FY2023, #32 in FY2024 and #26 in FY2025; up 15 since FY2020.
26	Berkshire Hathaway Inc. 2 awardees, including Midamerican Energy Services, LLC and Tti, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$2,219,139	0.4%	Rank history: #56 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
27	Wamo Constructors Cooperation Top agencies Navy (Department of the Navy)	$1,985,323	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
28	Berger Cummins J V Top agencies DLA (Defense Logistics Agency)	$1,838,288	0.4%	Rank history: not on the FY2022 list, #55 in FY2023, not on the FY2024 list and #32 in FY2025; new, not ranked in FY2020.
29	DTE Energy Company Top agencies DOJ (Department of Justice) Army (Department of the Army) NARA (National Archives and Records Administration)	$1,762,169	0.3%	Rank history: #32 in FY2022, #27 in FY2023 and not on the FY2024–FY2025 lists; down 4 since FY2020.
30	UNS Electric Inc. Through Tucson Electric Power Company Top agencies DOJ (Department of Justice)	$1,530,107	0.3%	Rank history: #35 in FY2022, #30 in FY2023 and not on the FY2024–FY2025 lists; unchanged since FY2020.
31	Redstone Solar I, LLC Top agencies Army (Department of the Army)	$1,530,000	0.3%	Rank history: #33 in FY2022, #32 in FY2023, #37 in FY2024 and #29 in FY2025; up 19 since FY2020.
32	Caterpillar Inc. Top agencies DLA (Defense Logistics Agency)	$1,515,150	0.3%	Rank history: not on the FY2022 list, #26 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
33	East Coast Power & Gas, LLC Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$1,444,718	0.3%	Rank history: not on the FY2022–FY2025 lists; up 21 since FY2020.
34	Evergy, Inc. 2 awardees, including Evergy Metro, Inc. and Evergy Kansas Central Inc. Top agencies NARA (National Archives and Records Administration) DOI (Department of the Interior) Army (Department of the Army)	$1,312,565	0.3%	Rank history: #36 in FY2022, #38 in FY2023, #56 in FY2024 and not on the FY2025 list; up 33 since FY2020.
35	CM Construction Services, Inc. Top agencies USAF (Department of the Air Force)	$1,279,680	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
36	IAP Global Services LLC Through IAP Worldwide Services, Inc. Top agencies Army (Department of the Army)	$1,210,306	0.2%	Rank history: #39 in FY2022, #36 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
37	Naknek Electric Association Inc. Top agencies USAF (Department of the Air Force)	$1,200,000	0.2%	Rank history: #38 in FY2022, #39 in FY2023, #42 in FY2024 and #35 in FY2025; up 24 since FY2020.
38	City of Austin Top agencies Treasury (Department of the Treasury)	$1,197,711	0.2%	Rank history: not on the FY2022–FY2023 lists, #31 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
39	OGE Energy Corp 2 awardees, including Oklahoma Gas and Electric Company Top agencies DOJ (Department of Justice) DOE (Department of Energy)	$1,058,274	0.2%	Rank history: #21 in FY2022, #29 in FY2023, #40 in FY2024 and not on the FY2025 list; up 27 since FY2020.
40	Atmos Energy Corporation Top agencies DOJ (Department of Justice) USAF (Department of the Air Force)	$996,723	0.2%	Rank history: #26 in FY2022, #28 in FY2023, #39 in FY2024 and #31 in FY2025; down 7 since FY2020.
41	Sterling Planet, Inc. Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$966,303	0.2%	Rank history: #82 in FY2022 and not on the FY2023–FY2025 lists; up 85 since FY2020.
42	Inglett & Stubbs International LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$903,865	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
43	Virginia Electric and Power Company Top agencies NASA (National Aeronautics and Space Administration) DOJ (Department of Justice)	$902,203	0.2%	Rank history: not on the FY2022–FY2025 lists; down 21 since FY2020.
44	Board of Governers State University System of Florida Through Florida State University Top agencies Navy (Department of the Navy)	$800,000	0.2%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
45	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$704,033	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	BRC Construction Group, LLC Top agencies Army (Department of the Army)	$671,550	0.1%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
47	RMC Engineering Services LLC Top agencies DOI (Department of the Interior)	$578,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Arcadia Solar LLC Top agencies Army (Department of the Army) Smithsonian (Smithsonian Institution)	$543,430	0.1%	Rank history: #43 in FY2022, #50 in FY2023, #55 in FY2024 and #40 in FY2025; new, not ranked in FY2020.
49	G & K, Incorporated Top agencies USAF (Department of the Air Force)	$510,000	0.1%	Rank history: #46 in FY2022, #44 in FY2023, #51 in FY2024 and #46 in FY2025; up 30 since FY2020.
50	Gexa Energy, LP Top agencies NASA (National Aeronautics and Space Administration)	$508,000	0.1%	Rank history: #41 in FY2022, not on the FY2023 list, #21 in FY2024 and not on the FY2025 list; down 4 since FY2020.
51	Adolf Lupp GMBH + Co. KG Through Lupp Facility Management GMBH Top agencies Army (Department of the Army)	$495,994	0.1%	Rank history: #51 in FY2022, #52 in FY2023, not on the FY2024 list and #76 in FY2025; new, not ranked in FY2020.
52	The Potomac Edison Co Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$485,000	0.1%	Rank history: not on the FY2022–FY2025 lists; down 13 since FY2020.
53	Northeast Utilities Through Nstar Electric Company Top agencies NARA (National Archives and Records Administration) DOT (Department of Transportation) VA (Department of Veterans Affairs)	$481,189	0.1%	Rank history: not on the FY2022 list, #88 in FY2023 and not on the FY2024–FY2025 lists; up 21 since FY2020.
54	PNM Resources Inc. Through Public Service Company of New Mexico Top agencies DOI (Department of the Interior)	$465,193	0.1%	Rank history: #48 in FY2022, #37 in FY2023, #89 in FY2024 and not on the FY2025 list; down 20 since FY2020.
55	Venergy Group LLC Top agencies VA (Department of Veterans Affairs)	$417,742	0.1%	Rank history: not on the FY2022–FY2025 lists; up 43 since FY2020.
56	Duke Energy Corporation 2 awardees, including Duke Energy Ohio, Inc. and Rec Solar Commercial Corporation Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$413,217	0.1%	Rank history: #53 in FY2022, #53 in FY2023, not on the FY2024 list and #18 in FY2025; up 15 since FY2020.
57	Generator Repair Service, Inc. Top agencies VA (Department of Veterans Affairs)	$380,000	0.1%	Rank history: not on the FY2022–FY2025 lists; up 29 since FY2020.
58	Areaka Trading & Logistics Company Top agencies USAF (Department of the Air Force)	$343,074	0.1%	Rank history: not on the FY2022–FY2025 lists; up 27 since FY2020.
59	Orion Renewable Energy Trading Group LLC Top agencies DLA (Defense Logistics Agency) USDA (Department of Agriculture) DHS (Department of Homeland Security)	$318,539	0.1%	Rank history: #61 in FY2022, #58 in FY2023 and not on the FY2024–FY2025 lists; up 22 since FY2020.
60	General Electric Company Through GE Grid Solutions LLC Top agencies VA (Department of Veterans Affairs)	$277,524	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Suntech Mechanical, Inc. Top agencies Army (Department of the Army)	$269,387	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	MDU Resources Group, Inc. Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$261,475	0.1%	Rank history: #44 in FY2022, #42 in FY2023, #62 in FY2024 and #49 in FY2025; down 9 since FY2020.
63	Magnolia Plumbing, Inc. Top agencies Smithsonian (Smithsonian Institution)	$258,073	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	Prime One Group General Trading and Contracting Company WLL Top agencies USAF (Department of the Air Force)	$247,417	<0.1%	Rank history: not on the FY2022 list, #66 in FY2023, #95 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
65	Dougherty County Of Top agencies Navy (Department of the Navy)	$233,090	<0.1%	Rank history: #60 in FY2022, #59 in FY2023, #74 in FY2024 and not on the FY2025 list; up 26 since FY2020.
66	Cummins Saudi Arabia Limited C Ompany Top agencies USAF (Department of the Air Force)	$229,364	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Ahntech Inc. Top agencies Navy (Department of the Navy)	$214,251	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
68	Nambe Pueblo Construction, LLC Top agencies USAF (Department of the Air Force)	$199,670	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Dixie Roofing, Inc. Through Efficient Energy of Tennessee, LLC Top agencies VA (Department of Veterans Affairs)	$186,800	<0.1%	Rank history: #37 in FY2022, #94 in FY2023 and not on the FY2024–FY2025 lists; up 25 since FY2020.
70	Omni Services Inc. Top agencies Navy (Department of the Navy)	$182,747	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	Fluid Solutions LLC Top agencies DOS (Department of State)	$170,242	<0.1%	Rank history: #80 in FY2022, #91 in FY2023, #92 in FY2024 and #70 in FY2025; up 53 since FY2020.
72	Peerless Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$162,965	<0.1%	Rank history: #75 in FY2022, #95 in FY2023, #72 in FY2024 and #53 in FY2025; up 23 since FY2020.
73	Kotzebue Electric Association, Inc. Top agencies USAF (Department of the Air Force)	$160,000	<0.1%	Rank history: #70 in FY2022, #67 in FY2023 and not on the FY2024–FY2025 lists; up 16 since FY2020.
74	Potomac Electric Power Co Top agencies CPSC (Consumer Product Safety Commission)	$160,000	<0.1%	Rank history: #34 in FY2022, not on the FY2023 list, #2 in FY2024 and #4 in FY2025; new, not ranked in FY2020.
75	Ameren Corporation Top agencies DOJ (Department of Justice)	$160,000	<0.1%	Rank history: #64 in FY2022, #73 in FY2023, #80 in FY2024 and not on the FY2025 list; up 18 since FY2020.
76	Rec Solar Commercial Corporation Top agencies VA (Department of Veterans Affairs)	$157,132	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
77	Sheargold Limited Top agencies DOS (Department of State)	$141,413	<0.1%	Rank history: #76 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
78	Temp-Power, Inc. Top agencies Army (Department of the Army)	$136,195	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	The AES Corporation 2 awardees, including Indianapolis Power & Light Co Top agencies DECA (Defense Commissary Agency)	$135,865	<0.1%	Rank history: #65 in FY2022, #57 in FY2023, #76 in FY2024 and not on the FY2025 list; up 1 since FY2020.
80	Legatus6 LLC Top agencies Commerce (Department of Commerce)	$124,275	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	Fromm Electric Supply of Reading, Penna., LLC Top agencies DLA (Defense Logistics Agency)	$99,694	<0.1%	Rank history: not on the FY2022 list, #71 in FY2023, #67 in FY2024 and #92 in FY2025; up 52 since FY2020.
82	Ecolectrics, LLC Top agencies USDA (Department of Agriculture)	$94,975	<0.1%	Rank history: not on the FY2022–FY2023 lists, #93 in FY2024 and #15 in FY2025; new, not ranked in FY2020.
83	Ameresco Inc. Top agencies Army (Department of the Army)	$92,171	<0.1%	Rank history: #85 in FY2022, #90 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
84	Nexgen Energy Systems, Inc. Top agencies DOI (Department of the Interior)	$84,479	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
85	UGI Corporation Through Amerigas Propane, L.P. Top agencies Navy (Department of the Navy)	$83,957	<0.1%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
86	MLC Holdings LLC Top agencies DHS (Department of Homeland Security)	$79,050	<0.1%	Rank history: not on the FY2022–FY2024 lists and #87 in FY2025; up 53 since FY2020.
87	Envision Solar International Inc. Through Beam Global Top agencies USDA (Department of Agriculture)	$76,485	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Southwest Solar & Electric LLC Top agencies USDA (Department of Agriculture)	$75,908	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Sunwize Power & Battery LLC Top agencies DOI (Department of the Interior)	$69,975	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	3Degrees Group, Inc. Top agencies Commerce (Department of Commerce) HUD (Department of Housing and Urban Development) DHS (Department of Homeland Security)	$66,052	<0.1%	Rank history: #100 in FY2022 and not on the FY2023–FY2025 lists; up 18 since FY2020.
91	Cordova Electric Cooperative, Inc. Top agencies DOT (Department of Transportation)	$61,170	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	The University of Alabama System Through University of Alabama Top agencies Commerce (Department of Commerce)	$59,197	<0.1%	Rank history: #98 in FY2022, #75 in FY2023, #85 in FY2024 and #63 in FY2025; up 15 since FY2020.
93	PM Jenkins Group-Professional Management Services LLC Top agencies Army (Department of the Army)	$57,009	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Hannah Solar Government Services, LLC Top agencies DOS (Department of State)	$55,116	<0.1%	Rank history: #96 in FY2022, #81 in FY2023, not on the FY2024 list and #64 in FY2025; up 22 since FY2020.
95	Fiorini Impianti Group SRL Top agencies Army (Department of the Army)	$54,355	<0.1%	Rank history: #97 in FY2022, #100 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
96	Lynch Oil Company, Inc. Top agencies VA (Department of Veterans Affairs)	$53,435	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Tractafric Equipment Gabon Top agencies DOS (Department of State)	$51,581	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
98	TL Services, Inc. Top agencies VA (Department of Veterans Affairs)	$50,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Evergy Metro, Inc. Top agencies NARA (National Archives and Records Administration)	$47,500	<0.1%	Rank history: not on the FY2022–FY2023 lists, #54 in FY2024 and #36 in FY2025; down 47 since FY2020.
100	Controlled Air Design LLC Top agencies NASA (National Aeronautics and Space Administration)	$46,118	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 206 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 22111

Code	Net obligations	Largest contractor
221112 Fossil Fuel Electric Power Generation	$267,579,447	Doyon Utilities LLC
221118 Other Electric Power Generation	$131,595,010	Keenan FT Detrick Energy LLC
221114 Solar Electric Power Generation	$22,803,024	Vandenberg Solar I, LLC

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 $505 million 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 22111 contractors in FY2021?

1. Doyon Utilities LLC ($94.2M), 2. Exelon Corporation ($79M), 3. Keenan FT Detrick Energy LLC ($43.1M), 4. National Grid PLC ($18.1M), 5. Dominion Resources Inc. ($16.6M), 6. Firstenergy Corporation ($15.7M), 7. American Electric Power Company, Inc. ($14M), 8. Reenergy Black River LLC ($12.5M), 9. Golden Valley Electric Association Inc. ($11.5M), 10. Centerpoint Energy, Inc. ($11M).

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