Top 100 Contractors in NAICS 221210: Natural Gas Distribution, FY2025

Name: Top 100 Contractors in NAICS 221210: Natural Gas Distribution, FY2025
Creator: GovTribe

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

The top 10 won 55% of FY2025 NAICS 221210 contract dollars

Contract obligations: $297,700,265 Net of deobligations, by contracts coded NAICS 221210
Contractors: 150 Parent companies with an obligation
Largest contractor: Tokyo Gas Co.,Ltd. $32.7 million, 9.9% 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	Tokyo Gas Co.,Ltd. Top agencies Navy (Department of the Navy)	$32,663,599	9.9%	Rank history: not on the FY2021 list, #1 in FY2022, #2 in FY2023 and #3 in FY2024; up 2 since FY2024.
2	WGL Energy Services Inc. 2 awardees, including Washington Gas Light Company Top agencies HHS (Department of Health and Human Services) DOT (Department of Transportation) Smithsonian (Smithsonian Institution)	$23,418,660	7.1%	Rank history: #1 in FY2021, #2 in FY2022, #1 in FY2023 and #1 in FY2024; down 1 since FY2024.
3	NRG Business Marketing LLC Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) DOJ (Department of Justice)	$18,508,129	5.6%	Rank history: #61 in FY2021, not on the FY2022 list, #5 in FY2023 and #19 in FY2024; up 16 since FY2024.
4	Schuyler Line Navigation Company LLC Top agencies Navy (Department of the Navy)	$18,291,864	5.6%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; unchanged since FY2024.
5	United Energy Corporation Through United Energy Trading, LLC Top agencies GSA (General Services Administration) NASA (National Aeronautics and Space Administration) VA (Department of Veterans Affairs)	$18,189,080	5.5%	Rank history: #31 in FY2021, #35 in FY2022, #37 in FY2023 and #25 in FY2024; up 20 since FY2024.
6	Buyo Gas Co.,Ltd. 2 awardees, including Buyo Ekika Gas Co., Ltd. Top agencies USAF (Department of the Air Force)	$16,196,918	4.9%	Rank history: #10 in FY2021, #5 in FY2022, #3 in FY2023 and #5 in FY2024; down 1 since FY2024.
7	Foreign Utility Consolidated Reporting Top agencies Army (Department of the Army)	$15,211,126	4.6%	Rank history: #7 in FY2021, #6 in FY2022, #4 in FY2023 and #6 in FY2024; down 1 since FY2024.
8	Enstar Natural Gas Company, LLC Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$14,783,923	4.5%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2024; up 7 since FY2024.
9	Eneos Sun-Energy Corporation Through Eneos Corporation Top agencies USAF (Department of the Air Force)	$12,121,054	3.7%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2024; down 2 since FY2024.
10	Samchully Co.,Ltd. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$10,730,953	3.3%	Rank history: #18 in FY2021, #8 in FY2022, #6 in FY2023 and #10 in FY2024; unchanged since FY2024.
11	One Gas, Inc. 4 awardees Top agencies Army (Department of the Army) DOJ (Department of Justice) NARA (National Archives and Records Administration)	$9,562,032	2.9%	Rank history: #15 in FY2021, #15 in FY2022, #14 in FY2023 and #12 in FY2024; up 1 since FY2024.
12	Omega Pipeline Company, LLC Top agencies Army (Department of the Army)	$9,467,516	2.9%	Rank history: #4 in FY2021, #7 in FY2022, #8 in FY2023 and #13 in FY2024; up 1 since FY2024.
13	Cobb Electric Membership Corporation Through Gas South, LLC Top agencies NASA (National Aeronautics and Space Administration) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$9,323,549	2.8%	Rank history: #16 in FY2021, #20 in FY2022, #7 in FY2023 and #8 in FY2024; down 5 since FY2024.
14	Teco Energy Inc. 2 awardees, including New Mexico Gas Company, Inc. and Peoples Gas System, Inc. Top agencies GSA (General Services Administration) USAF (Department of the Air Force) DOI (Department of the Interior)	$9,113,934	2.8%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2024; up 14 since FY2024.
15	The Navajo Nation Tribal Government Through Navajo Tribal Utility Authority Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$8,903,862	2.7%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2023 and #9 in FY2024; down 6 since FY2024.
16	Constellation Newenergy - Gas Division, LLC Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice) RRB (Railroad Retirement Board)	$6,957,800	2.1%	Rank history: #35 in FY2021, #3 in FY2022, #53 in FY2023 and #26 in FY2024; up 10 since FY2024.
17	Georgia Power Company 4 awardees, including Southern Company Gas, Virginia Natural Gas, Inc. and Southstar Energy Services LLC Top agencies GSA (General Services Administration) NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services)	$6,136,275	1.9%	Rank history: #13 in FY2021, #17 in FY2022, #11 in FY2023 and #11 in FY2024; down 6 since FY2024.
18	Mansfield Power & Gas LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) GSA (General Services Administration)	$4,360,417	1.3%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and #46 in FY2024; up 28 since FY2024.
19	Duke Energy Corporation Through Piedmont Natural Gas Company, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$3,920,151	1.2%	Rank history: #56 in FY2021, #29 in FY2022, #19 in FY2023 and #16 in FY2024; down 3 since FY2024.
20	Enspire Energy, LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$3,883,678	1.2%	Rank history: #17 in FY2021, #19 in FY2022, #26 in FY2023 and #17 in FY2024; down 3 since FY2024.
21	Liberty Utilities (Peach State Natural Gas) Corp. Top agencies Army (Department of the Army)	$3,483,507	1.1%	Rank history: not on the FY2021–FY2023 lists and #18 in FY2024; down 3 since FY2024.
22	Amerigas Propane L.P. 3 awardees, including UGI Energy Services, LLC and UGI Utilities Inc. Top agencies Navy (Department of the Navy) DOJ (Department of Justice) VA (Department of Veterans Affairs)	$3,085,675	0.9%	Rank history: not on the FY2021 list, #69 in FY2022, #20 in FY2023 and #20 in FY2024; down 2 since FY2024.
23	Sage Energy Trading LLC Top agencies DOE (Department of Energy) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$2,775,024	0.8%	Rank history: #8 in FY2021, #13 in FY2022, #13 in FY2023 and #14 in FY2024; down 9 since FY2024.
24	Dominion Energy South Carolina, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$2,115,514	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
25	Hanjin Heavy Industries & Construction Holdings Co. Ltd. Through Daeryun E&S Co., Ltd. Top agencies Army (Department of the Army)	$2,063,841	0.6%	Rank history: #21 in FY2021, #31 in FY2022, #32 in FY2023 and #38 in FY2024; up 13 since FY2024.
26	National Grid USA Service Company, Inc. Top agencies DOJ (Department of Justice) DOT (Department of Transportation) VA (Department of Veterans Affairs)	$2,004,839	0.6%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2024; up 7 since FY2024.
27	Southwest Gas Corporation Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOJ (Department of Justice)	$1,873,136	0.6%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; up 9 since FY2024.
28	Nisource Inc. 4 awardees, including Columbia Gas of Virginia, Inc., Columbia Gas of Pennsylvania Inc. and Columbia Gas of Kentucky, Inc. Top agencies DOJ (Department of Justice) Smithsonian (Smithsonian Institution) HHS (Department of Health and Human Services)	$1,758,943	0.5%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2024; up 2 since FY2024.
29	Colonial Energy Inc Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) NASA (National Aeronautics and Space Administration)	$1,548,005	0.5%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; up 2 since FY2024.
30	Yeongnam Energy Service Co., Ltd. Top agencies Army (Department of the Army)	$1,223,971	0.4%	Rank history: #36 in FY2021 and not on the FY2022–FY2024 lists; returned.
31	Xpress Natural Gas LLC Top agencies VA (Department of Veterans Affairs)	$1,042,868	0.3%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2024; up 9 since FY2024.
32	West Coast Gas Company, Inc. Top agencies DOJ (Department of Justice)	$1,030,832	0.3%	Rank history: #33 in FY2021, #38 in FY2022, #31 in FY2023 and #53 in FY2024; up 21 since FY2024.
33	Daesung Energy Co.,Ltd. Top agencies Army (Department of the Army)	$900,802	0.3%	Rank history: #60 in FY2021 and not on the FY2022–FY2024 lists; returned.
34	Nextera Energy Services Gas, LLC Top agencies DOJ (Department of Justice)	$865,444	0.3%	Rank history: not on the FY2021–FY2024 lists; up 100 since FY2024.
35	Toro Partners II, LP Top agencies NASA (National Aeronautics and Space Administration)	$857,300	0.3%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; up 48 since FY2024.
36	Tri-Mont Engineering Co. Top agencies USAF (Department of the Air Force)	$793,813	0.2%	Rank history: #34 in FY2021, #54 in FY2022, #46 in FY2023 and #45 in FY2024; up 9 since FY2024.
37	Southern California Gas Company Top agencies DOJ (Department of Justice) NARA (National Archives and Records Administration) DCMA (Defense Contract Management Agency)	$759,560	0.2%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2024; up 17 since FY2024.
38	City of Philadelphia 2 awardees Top agencies Treasury (Department of the Treasury) DOI (Department of the Interior) GSA (General Services Administration)	$754,076	0.2%	Rank history: #11 in FY2021, #4 in FY2022, #40 in FY2023 and #48 in FY2024; up 10 since FY2024.
39	City of Clarksville Top agencies Army (Department of the Army)	$745,470	0.2%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023 and #27 in FY2024; down 12 since FY2024.
40	PS Energy Group, Inc. Top agencies DOJ (Department of Justice)	$728,073	0.2%	Rank history: #26 in FY2021, #25 in FY2022, #52 in FY2023 and #52 in FY2024; up 12 since FY2024.
41	Nextera Energy Inc. Through Pivotal Utility Holdings Inc. Top agencies NASA (National Aeronautics and Space Administration)	$697,849	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
42	San Luis Butane Distributors Top agencies USAF (Department of the Air Force)	$664,256	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
43	Empire Natural Gas Corporation Top agencies VA (Department of Veterans Affairs)	$636,853	0.2%	Rank history: #78 in FY2021, #78 in FY2022, #62 in FY2023 and #51 in FY2024; up 8 since FY2024.
44	SK C&C Co. Ltd. Through Ko-One Energy Service Co.,Ltd Top agencies Army (Department of the Army)	$632,529	0.2%	Rank history: #43 in FY2021, #33 in FY2022, #27 in FY2023 and #32 in FY2024; down 12 since FY2024.
45	Northwest Natural Holding Company Through Northwest Natural Gas Co Top agencies DOJ (Department of Justice) DOE (Department of Energy) HHS (Department of Health and Human Services)	$545,270	0.2%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and #67 in FY2024; up 22 since FY2024.
46	MDU Resources Group, Inc. 3 awardees, including Cascade Natural Gas Corp and Montana Dakota Utilities Co Top agencies EPA (Environmental Protection Agency) HHS (Department of Health and Human Services)	$516,346	0.2%	Rank history: #73 in FY2021, #64 in FY2022, #78 in FY2023 and #62 in FY2024; up 16 since FY2024.
47	Centerpoint Energy Resources Corp. 4 awardees, including Indiana Gas Company, Inc. Top agencies DOJ (Department of Justice) Navy (Department of the Navy) USAF (Department of the Air Force)	$454,788	0.1%	Rank history: not on the FY2021–FY2023 lists and #81 in FY2024; up 34 since FY2024.
48	Carbonbetter, LLC Top agencies GSA (General Services Administration)	$438,282	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
49	Public Service Electric and Gas Company Top agencies DOJ (Department of Justice)	$430,999	0.1%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2023 and #75 in FY2024; up 26 since FY2024.
50	Natural Energy Utility Corp Top agencies DOJ (Department of Justice)	$420,335	0.1%	Rank history: #58 in FY2021, #48 in FY2022, #56 in FY2023 and not on the FY2024 list; returned.
51	Kentucky Frontier Gas, Llc. Top agencies DOJ (Department of Justice)	$392,639	0.1%	Rank history: #64 in FY2021, #61 in FY2022, #69 in FY2023 and #68 in FY2024; up 17 since FY2024.
52	Pickens County Natural Gas District Top agencies DOJ (Department of Justice)	$356,932	0.1%	Rank history: not on the FY2021 list, #37 in FY2022, #79 in FY2023 and #64 in FY2024; up 12 since FY2024.
53	Mountain V Oil & Gas, Inc. Top agencies DOJ (Department of Justice)	$356,293	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
54	Merrimac Petroleum, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) USAF (Department of the Air Force)	$356,091	0.1%	Rank history: #54 in FY2021, #66 in FY2022, #63 in FY2023 and #37 in FY2024; down 17 since FY2024.
55	Mountaineer Gas Co Top agencies DOJ (Department of Justice) DOL (Department of Labor)	$345,184	0.1%	Rank history: #69 in FY2021, not on the FY2022–FY2023 lists and #69 in FY2024; up 14 since FY2024.
56	Dominion Resources Inc. 2 awardees, including Public Service Company of North Carolina, Incorporated and Questar Gas Company Top agencies DOJ (Department of Justice) DOI (Department of the Interior) HHS (Department of Health and Human Services)	$343,497	0.1%	Rank history: #24 in FY2021, #27 in FY2022, #28 in FY2023 and #39 in FY2024; down 17 since FY2024.
57	New Jersey Resources Corp Through New Jersey Natural Gas Company Top agencies Navy (Department of the Navy) DOJ (Department of Justice)	$334,272	0.1%	Rank history: #37 in FY2021, #50 in FY2022, #47 in FY2023 and #42 in FY2024; down 15 since FY2024.
58	Seoul City Gas Co.,Ltd. Top agencies Army (Department of the Army)	$333,380	0.1%	Rank history: #53 in FY2021, #59 in FY2022, not on the FY2023 list and #79 in FY2024; up 21 since FY2024.
59	Welch Gas Cooperative Association Top agencies DOJ (Department of Justice)	$319,929	0.1%	Rank history: #67 in FY2021, #72 in FY2022, #74 in FY2023 and #61 in FY2024; up 2 since FY2024.
60	Locem Construction Co., Ltd. Top agencies USAF (Department of the Air Force)	$311,450	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
61	Vectren Energy Delivery of Ohio, LLC Top agencies USAF (Department of the Air Force)	$310,331	0.1%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2024; up 32 since FY2024.
62	UNS Energy Corporation Through Central Hudson Gas & Electric Corporation Top agencies NARA (National Archives and Records Administration)	$308,858	0.1%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; up 12 since FY2024.
63	BP P.L.C. Through IGI Resources Inc. Top agencies VA (Department of Veterans Affairs)	$300,780	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
64	The Gas Company, LLC Top agencies DOJ (Department of Justice)	$287,827	0.1%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; down 42 since FY2024.
65	Southern Company Gas Top agencies GSA (General Services Administration)	$284,733	0.1%	Rank history: not on the FY2021 list, #75 in FY2022, #83 in FY2023 and #66 in FY2024; up 1 since FY2024.
66	Propane Specialty Services LLC Top agencies VA (Department of Veterans Affairs)	$278,011	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	Summit Utilities Oklahoma, Inc. Top agencies DOJ (Department of Justice)	$277,303	0.1%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2024; down 7 since FY2024.
68	Tiger Natural Gas Inc. Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs) GSA (General Services Administration)	$275,444	0.1%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2024; down 19 since FY2024.
69	Smart Procurement Solutions Inc. Top agencies DHS (Department of Homeland Security)	$249,998	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
70	South Jersey Gas Co Top agencies DOJ (Department of Justice)	$248,763	0.1%	Rank history: not on the FY2021–FY2023 lists and #87 in FY2024; up 17 since FY2024.
71	Novec Energy Solutions Inc. Top agencies AFRH (Armed Forces Retirement Home) GSA (General Services Administration)	$237,468	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
72	Ryuseki Corporation Top agencies USAF (Department of the Air Force)	$236,516	0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2023 and #71 in FY2024; down 1 since FY2024.
73	Delta Natural Gas Co Inc. Top agencies DOJ (Department of Justice)	$235,763	0.1%	Rank history: #49 in FY2021, #82 in FY2022, not on the FY2023 list and #100 in FY2024; up 27 since FY2024.
74	Xcel Energy Inc. Through Public Service Company of Colorado Top agencies Treasury (Department of the Treasury)	$190,902	0.1%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 3 since FY2024.
75	NRG Energy, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$180,500	0.1%	Rank history: not on the FY2021 list, #10 in FY2022 and not on the FY2023–FY2024 lists; up 74 since FY2024.
76	Essential Utilities, Inc. Through Peoples Natural Gas Company LLC Top agencies DOJ (Department of Justice) DOE (Department of Energy)	$174,798	0.1%	Rank history: #79 in FY2021, #71 in FY2022, #57 in FY2023 and #72 in FY2024; down 4 since FY2024.
77	Yesco Co.,Ltd Top agencies Army (Department of the Army)	$165,867	0.1%	Rank history: #39 in FY2021, #60 in FY2022, #55 in FY2023 and not on the FY2024 list; up 35 since FY2024.
78	WEC Energy Group Inc. 2 awardees, including Minnesota Energy Resources Corporation and Wisconsin Gas LLC Top agencies DOJ (Department of Justice)	$160,108	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 84 since FY2024.
79	Centerpoint Energy, Inc. Through Vectren LLC Top agencies Commerce (Department of Commerce)	$160,000	<0.1%	Rank history: #46 in FY2021, #24 in FY2022, #43 in FY2023 and #41 in FY2024; down 38 since FY2024.
80	BSE Performance, LLC Top agencies Army (Department of the Army)	$156,391	<0.1%	Rank history: #40 in FY2021, #45 in FY2022, #38 in FY2023 and #34 in FY2024; down 46 since FY2024.
81	Pike Natural Gas Co Top agencies DOE (Department of Energy)	$149,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Bhpe LLC Top agencies Army (Department of the Army)	$143,560	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
83	Keyspan Gas East Corporation Top agencies Treasury (Department of the Treasury)	$126,104	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	National Fuel Gas Co Through National Fuel Gas Distribution Corp Top agencies DOJ (Department of Justice)	$122,020	<0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 12 since FY2024.
85	Nations Gas Technologies Inc Top agencies HHS (Department of Health and Human Services)	$115,988	<0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; down 15 since FY2024.
86	Kunsan City Gas Top agencies USAF (Department of the Air Force)	$115,428	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 35 since FY2024.
87	Chopro, K.K. Top agencies Navy (Department of the Navy)	$109,619	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	OGE Energy Corp Through Arkansas Oklahoma Gas Corporation Top agencies DOE (Department of Energy)	$109,147	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Brooklyn Navy Yard Development Corp Top agencies DOJ (Department of Justice)	$108,039	<0.1%	Rank history: #76 in FY2021, not on the FY2022 list, #92 in FY2023 and #91 in FY2024; up 2 since FY2024.
90	City of Independence Top agencies NARA (National Archives and Records Administration)	$106,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 19 since FY2024.
91	Kyungnam Energy Co.,Ltd Top agencies Navy (Department of the Navy)	$104,222	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 73 since FY2024.
92	The Southeast Alabama Gas District Top agencies Army (Department of the Army)	$94,024	<0.1%	Rank history: #92 in FY2021, #94 in FY2022, #100 in FY2023 and #86 in FY2024; down 6 since FY2024.
93	City of Las Cruces Top agencies NASA (National Aeronautics and Space Administration)	$90,640	<0.1%	Rank history: #75 in FY2021, #81 in FY2022, #86 in FY2023 and #65 in FY2024; down 28 since FY2024.
94	J. Swanton Fuel Oil Co., Inc. Top agencies Commerce (Department of Commerce)	$76,872	<0.1%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2023 and not on the FY2024 list; up 14 since FY2024.
95	MEC Services LLC Top agencies DOI (Department of the Interior)	$73,895	<0.1%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; down 1 since FY2024.
96	Black Hills Wyoming Gas, LLC Top agencies DOI (Department of the Interior)	$73,459	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 6 since FY2024.
97	C & G LLC Top agencies Commerce (Department of Commerce)	$68,500	<0.1%	Rank history: not on the FY2021 list, #91 in FY2022 and not on the FY2023–FY2024 lists; up 13 since FY2024.
98	Progas Gesellschaft MIT Beschraenkter Haftung & Co. Kommanditgesellschaft Through Progas GMBH Top agencies USAF (Department of the Air Force)	$60,208	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 7 since FY2024.
99	Avista Corporation Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$59,218	<0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; down 11 since FY2024.
100	Southern Planet Solutions LLC Top agencies Army (Department of the Army)	$57,330	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 16 since FY2024.

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100 of 150 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 $330 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 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 221210 contractors in FY2025?

1. Tokyo Gas Co.,Ltd. ($32.7M), 2. WGL Energy Services Inc. ($23.4M), 3. NRG Business Marketing LLC ($18.5M), 4. Schuyler Line Navigation Company LLC ($18.3M), 5. United Energy Corporation ($18.2M), 6. Buyo Gas Co.,Ltd. ($16.2M), 7. Foreign Utility Consolidated Reporting ($15.2M), 8. Enstar Natural Gas Company, LLC ($14.8M), 9. Eneos Sun-Energy Corporation ($12.1M), 10. Samchully Co.,Ltd. ($10.7M).

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