Top 100 Contractors in PSC 6830: Gases: Compressed and Liquefied, FY2025

Name: Top 100 Contractors in PSC 6830: Gases: Compressed and Liquefied, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 49% of FY2025 PSC 6830 contract dollars

Contract obligations: $189,854,698 Net of deobligations, by contracts coded PSC 6830
Contractors: 279 Parent companies with an obligation
Largest contractor: Hudson Technologies Company $29.4 million, 13.0% of obligations
Data as of: Oct 23, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Hudson Technologies Company Top agencies DLA (Defense Logistics Agency)	$29,405,783	13.0%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Tokyo Gas Co.,Ltd. Top agencies Navy (Department of the Navy)	$23,628,521	10.5%	Rank history: not on the FY2021–FY2024 lists; up 263 since FY2024.
3	Schuyler Line Navigation Company LLC Top agencies Navy (Department of the Navy)	$18,291,864	8.1%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2024; down 1 since FY2024.
4	Buyo Gas Co.,Ltd. Top agencies USAF (Department of the Air Force)	$7,005,877	3.1%	Rank history: not on the FY2021–FY2024 lists; new.
5	Airgas Inc. 10 awardees, including Airgas Usa, LLC, Airgas Carbonic, Inc. and Air Liquide Italia Service S.R.L. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce) EPA (Environmental Protection Agency)	$6,372,376	2.8%	Rank history: #3 in FY2021, #2 in FY2022, #17 in FY2023 and #42 in FY2024; up 37 since FY2024.
6	San Luis Butane Distributors Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOI (Department of the Interior)	$6,273,359	2.8%	Rank history: #6 in FY2021, #8 in FY2022, #6 in FY2023 and #10 in FY2024; up 4 since FY2024.
7	Tiger Natural Gas Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$5,112,014	2.3%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2024; down 4 since FY2024.
8	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) HHS (Department of Health and Human Services)	$5,056,740	2.2%	Rank history: #2 in FY2021, #3 in FY2022, #5 in FY2023 and #7 in FY2024; down 1 since FY2024.
9	Centerpoint Energy, Inc. Through Nextera Energy Services Gas, LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$4,670,917	2.1%	Rank history: not on the FY2021–FY2024 lists; new.
10	Eneos Corporation Top agencies USAF (Department of the Air Force)	$4,565,875	2.0%	Rank history: not on the FY2021–FY2024 lists; new.
11	Rgas LLC Top agencies DLA (Defense Logistics Agency)	$4,439,066	2.0%	Rank history: not on the FY2021–FY2024 lists; new.
12	Air Products and Chemicals, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$4,039,936	1.8%	Rank history: #25 in FY2021, #10 in FY2022, #9 in FY2023 and #15 in FY2024; up 3 since FY2024.
13	Airgas USA LLC 3 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$3,843,747	1.7%	Rank history: #49 in FY2021, #47 in FY2022, #4 in FY2023 and #4 in FY2024; down 9 since FY2024.
14	RCG of North Carolina, LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$3,523,517	1.6%	Rank history: #27 in FY2021, #14 in FY2022, #7 in FY2023 and #5 in FY2024; down 9 since FY2024.
15	Paula F Price Enterprises LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) HHS (Department of Health and Human Services)	$3,468,535	1.5%	Rank history: #70 in FY2021, #5 in FY2022, #12 in FY2023 and #12 in FY2024; down 3 since FY2024.
16	Pacific Consolidated Industries LLC Top agencies USAF (Department of the Air Force)	$3,341,843	1.5%	Rank history: not on the FY2021–FY2024 lists; new.
17	Matheson TRI-Gas Inc. 4 awardees, including Nippon Sanso Matheson, Inc. and Nippon Sanso Deutschland GMBH Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) VA (Department of Veterans Affairs)	$3,313,793	1.5%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023 and #14 in FY2024; down 3 since FY2024.
18	Linde Inc. 5 awardees, including Linde Gas & Equipment Inc., Nexair LLC and Welsco, Inc. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$2,677,266	1.2%	Rank history: #17 in FY2021, #12 in FY2022, #20 in FY2023 and #25 in FY2024; up 7 since FY2024.
19	Roberts Oxygen Company Inc. Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy) DHA (Defense Health Agency)	$2,234,894	1.0%	Rank history: #21 in FY2021, #27 in FY2022, #26 in FY2023 and #18 in FY2024; down 1 since FY2024.
20	NRG Energy, Inc. Through NRG Business Marketing LLC Top agencies VA (Department of Veterans Affairs) NASA (National Aeronautics and Space Administration) DOJ (Department of Justice)	$2,105,629	0.9%	Rank history: #34 in FY2021, #7 in FY2022 and not on the FY2023–FY2024 lists; returned.
21	Farstad Oil Inc. Through Parkland USA Corporation Top agencies DOI (Department of the Interior)	$1,907,979	0.8%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2024; down 4 since FY2024.
22	Sage Energy Trading LLC Top agencies VA (Department of Veterans Affairs)	$1,510,222	0.7%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2024; up 16 since FY2024.
23	Big Jet, LLC Top agencies Navy (Department of the Navy)	$1,482,687	0.7%	Rank history: not on the FY2021–FY2023 lists and #56 in FY2024; up 33 since FY2024.
24	Capitol Carbonic Corp Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$1,455,162	0.6%	Rank history: #35 in FY2021, #29 in FY2022, #30 in FY2023 and #22 in FY2024; down 2 since FY2024.
25	The Gas Company, LLC Top agencies Navy (Department of the Navy)	$1,420,547	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
26	Green Lantern, LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$1,420,404	0.6%	Rank history: #11 in FY2021, #16 in FY2022, #25 in FY2023 and #26 in FY2024; unchanged since FY2024.
27	Medical Equipment & Supplies of America LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$1,373,803	0.6%	Rank history: #67 in FY2021, #37 in FY2022, #32 in FY2023 and #34 in FY2024; up 7 since FY2024.
28	Boardwalk Continuum Marketing, LLC Top agencies VA (Department of Veterans Affairs)	$1,371,956	0.6%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2024; up 5 since FY2024.
29	UGI Corporation 2 awardees, including Amerigas Propane, L.P. and UGI Utilities Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army) DOJ (Department of Justice)	$1,328,458	0.6%	Rank history: not on the FY2021 list, #21 in FY2022, #15 in FY2023 and #19 in FY2024; down 10 since FY2024.
30	Inchcape Shipping Services Dubai LLC Top agencies DLA (Defense Logistics Agency)	$1,293,433	0.6%	Rank history: #10 in FY2021, #22 in FY2022, #28 in FY2023 and #20 in FY2024; down 10 since FY2024.
31	Messer North America Inc. 4 awardees, including Messer LLC, Linde Gas Espana, S.A. and Messer Gas Puerto Rico Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$1,286,234	0.6%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; up 43 since FY2024.
32	Global Gases Group FZE Top agencies Army (Department of the Army)	$1,279,097	0.6%	Rank history: #12 in FY2021, #30 in FY2022, #31 in FY2023 and not on the FY2024 list; returned.
33	ROY Smith Company Top agencies Army (Department of the Army)	$1,253,007	0.6%	Rank history: #19 in FY2021, not on the FY2022 list, #23 in FY2023 and #24 in FY2024; down 9 since FY2024.
34	Silver Bluemoon LLC Top agencies NASA (National Aeronautics and Space Administration)	$1,232,000	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
35	S.j. Smith Co., Inc. Top agencies Army (Department of the Army)	$1,146,000	0.5%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 3 since FY2024.
36	Goodrich Gas Inc. Top agencies Army (Department of the Army)	$1,073,646	0.5%	Rank history: #20 in FY2021, #18 in FY2022, #22 in FY2023 and #31 in FY2024; down 5 since FY2024.
37	Vistra Corp. Through Illinois Power Marketing Company, LLC Top agencies VA (Department of Veterans Affairs)	$1,060,000	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
38	Coastal Energy, Inc. Top agencies USAF (Department of the Air Force)	$929,400	0.4%	Rank history: #73 in FY2021, #41 in FY2022, not on the FY2023 list and #60 in FY2024; up 22 since FY2024.
39	Marianas Gas Corp Top agencies DLA (Defense Logistics Agency)	$843,824	0.4%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; down 3 since FY2024.
40	High Desert Pipeline, Inc. Top agencies Army (Department of the Army)	$697,451	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
41	Tcom, L.P. Top agencies Navy (Department of the Navy)	$678,393	0.3%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2024; down 14 since FY2024.
42	Christopher I. Oyolokor SR. Top agencies Army (Department of the Army) DHA (Defense Health Agency) USAF (Department of the Air Force)	$665,132	0.3%	Rank history: #46 in FY2021, #51 in FY2022, #40 in FY2023 and #43 in FY2024; up 1 since FY2024.
43	808 Solutions Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USDA (Department of Agriculture)	$663,612	0.3%	Rank history: #78 in FY2021, #48 in FY2022, #51 in FY2023 and #73 in FY2024; up 30 since FY2024.
44	Strategic Consulting Alliances, LLC Top agencies Army (Department of the Army)	$642,374	0.3%	Rank history: #38 in FY2021, #66 in FY2022, #34 in FY2023 and #29 in FY2024; down 15 since FY2024.
45	Innovative Federal Operations Group, Incorporated Top agencies Army (Department of the Army) Navy (Department of the Navy) DHA (Defense Health Agency)	$592,087	0.3%	Rank history: #79 in FY2021, #65 in FY2022, #54 in FY2023 and #45 in FY2024; unchanged since FY2024.
46	Merrimac Petroleum, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) Navy (Department of the Navy)	$572,941	0.3%	Rank history: #15 in FY2021, #19 in FY2022, #8 in FY2023 and #30 in FY2024; down 16 since FY2024.
47	Suburban Propane Partners, L.P Top agencies DOI (Department of the Interior) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$531,562	0.2%	Rank history: #37 in FY2021, #25 in FY2022, #44 in FY2023 and not on the FY2024 list; up 80 since FY2024.
48	Haun Welding Supply Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$433,617	0.2%	Rank history: #65 in FY2021, #54 in FY2022, not on the FY2023 list and #85 in FY2024; up 37 since FY2024.
49	International Gas & Services Top agencies DLA (Defense Logistics Agency)	$424,920	0.2%	Rank history: #42 in FY2021, #46 in FY2022, #47 in FY2023 and #54 in FY2024; up 5 since FY2024.
50	Applied LNG Technologies LLC Top agencies DOI (Department of the Interior)	$421,669	0.2%	Rank history: not on the FY2021 list, #43 in FY2022, #36 in FY2023 and #89 in FY2024; up 39 since FY2024.
51	Arc3 Gases, Inc. 3 awardees, including Arcet Equipment Co Top agencies DLA (Defense Logistics Agency) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$419,110	0.2%	Rank history: #53 in FY2021, #60 in FY2022, #62 in FY2023 and #66 in FY2024; up 15 since FY2024.
52	Silver Valley Propane Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$375,268	0.2%	Rank history: not on the FY2021–FY2024 lists; up 88 since FY2024.
53	WGL Holdings Inc. Through WGL Energy Services, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$374,412	0.2%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 37 since FY2024.
54	Metalcraft, Inc. Top agencies DLA (Defense Logistics Agency)	$361,348	0.2%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #35 in FY2024; down 19 since FY2024.
55	Interconn Resources LLC Top agencies NASA (National Aeronautics and Space Administration)	$359,390	0.2%	Rank history: not on the FY2021–FY2024 lists; up 56 since FY2024.
56	Okano, K.K. Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$350,508	0.2%	Rank history: #74 in FY2021, #83 in FY2022, #57 in FY2023 and #48 in FY2024; down 8 since FY2024.
57	US Military Corp Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$331,466	0.1%	Rank history: not on the FY2021 list, #57 in FY2022, #92 in FY2023 and #69 in FY2024; up 12 since FY2024.
58	Standard Petroleum Logistics Inc Top agencies DOI (Department of the Interior) Army (Department of the Army)	$311,582	0.1%	Rank history: not on the FY2021–FY2023 lists and #100 in FY2024; up 42 since FY2024.
59	Norco Inc. Top agencies HHS (Department of Health and Human Services)	$307,546	0.1%	Rank history: #48 in FY2021, not on the FY2022 list, #50 in FY2023 and #52 in FY2024; down 7 since FY2024.
60	Custom Gas Solutions LLC Top agencies Army (Department of the Army)	$303,250	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
61	Bluefors OY Through Bluefors Cryocooler Technologies Inc. Top agencies USAF (Department of the Air Force)	$296,146	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
62	Agas US Inc. Top agencies Army (Department of the Army)	$275,400	0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; up 8 since FY2024.
63	United States Welding, Inc. 2 awardees Top agencies USDA (Department of Agriculture) Army (Department of the Army) Commerce (Department of Commerce)	$267,008	0.1%	Rank history: not on the FY2021 list, #96 in FY2022, #75 in FY2023 and #77 in FY2024; up 14 since FY2024.
64	Nations Gas Technologies Inc Top agencies HHS (Department of Health and Human Services)	$253,031	0.1%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2023 and #94 in FY2024; up 30 since FY2024.
65	Everts Air Fuel, Inc. Top agencies DOI (Department of the Interior)	$250,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
66	Smart Procurement Solutions Inc. Top agencies DHS (Department of Homeland Security)	$249,998	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	Hocoka Holdings LLC Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$248,299	0.1%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2024; down 10 since FY2024.
68	AMG Company, Inc. Top agencies DOI (Department of the Interior)	$238,603	0.1%	Rank history: #83 in FY2021, #77 in FY2022, #69 in FY2023 and #90 in FY2024; up 22 since FY2024.
69	Jetco USA Inc. Top agencies Commerce (Department of Commerce)	$234,098	0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and #67 in FY2024; down 2 since FY2024.
70	Gallup Welders Supply Inc. 2 awardees Top agencies HHS (Department of Health and Human Services)	$226,039	0.1%	Rank history: #81 in FY2021, #71 in FY2022, #94 in FY2023 and #84 in FY2024; up 14 since FY2024.
71	Maine Oxy-Acetylene Supply Company 2 awardees, including Strate Welding Supply Co., Inc. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) DHS (Department of Homeland Security)	$224,208	0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #87 in FY2023 and #91 in FY2024; up 20 since FY2024.
72	Crystal Dry Ice Factory Top agencies USAF (Department of the Air Force)	$209,440	0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; down 4 since FY2024.
73	R & M Government Services Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$189,187	0.1%	Rank history: #23 in FY2021, #42 in FY2022, not on the FY2023 list and #59 in FY2024; down 14 since FY2024.
74	Earlbeck Corporation Top agencies DHS (Department of Homeland Security)	$183,879	0.1%	Rank history: #56 in FY2021, #80 in FY2022 and not on the FY2023–FY2024 lists; up 56 since FY2024.
75	Ellsworth, LLC Top agencies HHS (Department of Health and Human Services)	$182,715	0.1%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; up 5 since FY2024.
76	Federal Resources Supply Company, LLC Top agencies DLA (Defense Logistics Agency)	$179,353	0.1%	Rank history: #44 in FY2021, #40 in FY2022, #37 in FY2023 and #49 in FY2024; down 27 since FY2024.
77	Griffin's Propane, Inc. Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior) Army (Department of the Army)	$167,384	0.1%	Rank history: not on the FY2021 list, #32 in FY2022, #79 in FY2023 and #50 in FY2024; down 27 since FY2024.
78	General Air Service & Supply Co. Top agencies Commerce (Department of Commerce) EPA (Environmental Protection Agency) Treasury (Department of the Treasury)	$164,817	0.1%	Rank history: #93 in FY2021, #73 in FY2022, #63 in FY2023 and #93 in FY2024; up 15 since FY2024.
79	Cryo-Express LLC Top agencies HHS (Department of Health and Human Services)	$162,377	0.1%	Rank history: not on the FY2021–FY2024 lists; up 147 since FY2024.
80	Bluejacket Industries Materials LLC Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce)	$161,939	0.1%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2024; down 8 since FY2024.
81	BSE Performance, LLC Top agencies Army (Department of the Army) DOI (Department of the Interior) HHS (Department of Health and Human Services)	$161,078	0.1%	Rank history: #41 in FY2021, #34 in FY2022, #42 in FY2023 and #44 in FY2024; down 37 since FY2024.
82	Keen Compressed Gas Co. Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force)	$160,629	0.1%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023 and not on the FY2024 list; up 28 since FY2024.
83	Phoenix Contracting LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$153,893	0.1%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2024; up 9 since FY2024.
84	Linde Engineering North America LLC Through Linde Korea Co., Ltd Top agencies DLA (Defense Logistics Agency)	$153,354	0.1%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2023 and #64 in FY2024; down 20 since FY2024.
85	Gasochem International, Llc. Top agencies Commerce (Department of Commerce)	$153,200	0.1%	Rank history: not on the FY2021–FY2023 lists and #78 in FY2024; down 7 since FY2024.
86	Scientific Sales, Inc. Top agencies DOL (Department of Labor)	$151,621	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
87	Strandmoellen GMBH & Co. KG Top agencies DHA (Defense Health Agency)	$149,426	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and not on the FY2024 list; up 27 since FY2024.
88	LP Propane LLC Top agencies DOI (Department of the Interior)	$147,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Daiichi Kasei Sangyo Co.,Ltd. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$146,648	0.1%	Rank history: #63 in FY2021, #93 in FY2022, #81 in FY2023 and #81 in FY2024; down 8 since FY2024.
90	Bhpe LLC Top agencies Army (Department of the Army)	$143,560	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
91	Mansfield Power & Gas LLC Top agencies VA (Department of Veterans Affairs)	$141,502	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	Central Welding Supply Company Top agencies Commerce (Department of Commerce) Army (Department of the Army) VA (Department of Veterans Affairs)	$127,963	0.1%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023 and #63 in FY2024; down 29 since FY2024.
93	Empower Excellence, LLC Top agencies DLA (Defense Logistics Agency)	$127,600	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
94	Morgan Ingland LLC Top agencies USAF (Department of the Air Force)	$127,500	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Bruker Scientific LLC Through Bruker Biospin Corp Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$126,590	0.1%	Rank history: not on the FY2021–FY2024 lists; up 69 since FY2024.
96	Wanklyn Oil Co. Inc. Top agencies Army (Department of the Army)	$126,332	0.1%	Rank history: #68 in FY2021, not on the FY2022 list, #73 in FY2023 and #96 in FY2024; unchanged since FY2024.
97	Electronic Fluorocarbons, LLC Top agencies NASA (National Aeronautics and Space Administration)	$122,842	0.1%	Rank history: not on the FY2021 list, #56 in FY2022 and not on the FY2023–FY2024 lists; returned.
98	S3 Aerodefense LLC Top agencies DLA (Defense Logistics Agency)	$122,640	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Cee-Kay Supply, Inc. Top agencies HHS (Department of Health and Human Services)	$112,531	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 5 since FY2024.
100	Baynor Construction Incorporated Top agencies DOJ (Department of Justice)	$111,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.

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100 of 279 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 $226 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 PSC 6830 contractors in FY2025?

1. Hudson Technologies Company ($29.4M), 2. Tokyo Gas Co.,Ltd. ($23.6M), 3. Schuyler Line Navigation Company LLC ($18.3M), 4. Buyo Gas Co.,Ltd. ($7.01M), 5. Airgas Inc. ($6.37M), 6. San Luis Butane Distributors ($6.27M), 7. Tiger Natural Gas Inc. ($5.11M), 8. RAS Enterprises LLC ($5.06M), 9. Centerpoint Energy, Inc. ($4.67M), 10. Eneos Corporation ($4.57M).

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