Top 100 Contractors in PSC 6830: Gases: Compressed and Liquefied, FY2022

Name: Top 100 Contractors in PSC 6830: Gases: Compressed and Liquefied, FY2022
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2021 – Sep 30, 2022 Code page on GovTribe

The top 10 won 44% of FY2022 PSC 6830 contract dollars

Contract obligations: $96,848,563 Net of deobligations, by contracts coded PSC 6830
Contractors: 243 Parent companies with an obligation
Largest contractor: Hudson Technologies, Inc. $14.8 million, 12.9% 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	Hudson Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$14,789,463	12.9%	Rank history: #1 in FY2021, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2021.
2	Airgas Inc. 15 awardees, including Airgas Usa, LLC, Airgas Carbonic, Inc. and Air Liquide Italia Service S.R.L. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$8,361,639	7.3%	Rank history: #3 in FY2021, #17 in FY2023, #42 in FY2024 and #53 in FY2025; up 1 since FY2021.
3	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) Army (Department of the Army)	$5,403,853	4.7%	Rank history: #2 in FY2021, #5 in FY2023, #7 in FY2024 and #8 in FY2025; down 1 since FY2021.
4	Centerpoint Energy Services Inc. Through Nextera Energy Services Gas, LLC Top agencies Army (Department of the Army)	$3,597,650	3.1%	Rank history: #9 in FY2021, #14 in FY2023, #13 in FY2024 and not on the FY2025 list; up 5 since FY2021.
5	Paula F Price Enterprises LLC 2 awardees Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$3,392,588	3.0%	Rank history: #70 in FY2021, #12 in FY2023, #12 in FY2024 and #14 in FY2025; up 65 since FY2021.
6	Tiger Natural Gas, Inc. Top agencies USAF (Department of the Air Force)	$3,312,994	2.9%	Rank history: not on the FY2021 list, #16 in FY2023 and not on the FY2024–FY2025 lists; new.
7	NRG Energy, Inc. Through NRG Business Marketing LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army) DOJ (Department of Justice)	$3,206,083	2.8%	Rank history: #34 in FY2021 and not on the FY2023–FY2025 lists; up 27 since FY2021.
8	San Luis Butane Distributors Top agencies Army (Department of the Army) DOI (Department of the Interior) USAF (Department of the Air Force)	$3,090,408	2.7%	Rank history: #6 in FY2021, #6 in FY2023, #10 in FY2024 and #6 in FY2025; down 2 since FY2021.
9	Matheson TRI-Gas Inc. 4 awardees, including Nippon Sanso Matheson, Inc. and Nippon Sanso Deutschland GMBH Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) USDA (Department of Agriculture)	$2,936,451	2.6%	Rank history: #7 in FY2021, #19 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2021.
10	Air Products and Chemicals, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$1,972,905	1.7%	Rank history: #25 in FY2021, #9 in FY2023, #15 in FY2024 and #12 in FY2025; up 15 since FY2021.
11	Cobb Electric Membership Corporation Through Gas South, LLC Top agencies NASA (National Aeronautics and Space Administration) VA (Department of Veterans Affairs)	$1,932,473	1.7%	Rank history: #39 in FY2021, #24 in FY2023 and not on the FY2024–FY2025 lists; up 28 since FY2021.
12	Linde LLC 2 awardees, including Messer LLC and Messer Gas Puerto Rico Inc. Top agencies DMEA (Defense Microelectronics Activity) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$1,846,157	1.6%	Rank history: #17 in FY2021, #20 in FY2023, #25 in FY2024 and #32 in FY2025; up 5 since FY2021.
13	Dome Chartering & Trading Corp. Through Schuyler Line Navigation Company LLC Top agencies Navy (Department of the Navy)	$1,812,893	1.6%	Rank history: not on the FY2021 list, #3 in FY2023, #9 in FY2024 and not on the FY2025 list; new.
14	RCG of North Carolina, LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) Army (Department of the Army)	$1,805,094	1.6%	Rank history: #27 in FY2021, #7 in FY2023, #5 in FY2024 and #13 in FY2025; up 13 since FY2021.
15	JX Holdings Inc. Through Eneos Corporation Top agencies USAF (Department of the Air Force)	$1,601,569	1.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
16	Green Lantern, LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$1,515,753	1.3%	Rank history: #11 in FY2021, #25 in FY2023, #26 in FY2024 and #25 in FY2025; down 5 since FY2021.
17	Praxair Distribution Inc. 10 awardees, including Linde Gas & Equipment Inc., Linde Gas Espana, S.A. and Linde Korea Co., Ltd Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) Army (Department of the Army)	$1,459,387	1.3%	Rank history: #13 in FY2021, #13 in FY2023, #21 in FY2024 and not on the FY2025 list; down 4 since FY2021.
18	Goodrich Gas Inc. Top agencies Army (Department of the Army)	$1,454,852	1.3%	Rank history: #20 in FY2021, #22 in FY2023, #31 in FY2024 and #36 in FY2025; up 2 since FY2021.
19	Merrimac Petroleum, Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior) Army (Department of the Army)	$1,438,734	1.3%	Rank history: #15 in FY2021, #8 in FY2023, #30 in FY2024 and #47 in FY2025; down 4 since FY2021.
20	Farstad Oil Inc. Through Parkland USA Corporation Top agencies DOI (Department of the Interior)	$1,413,000	1.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
21	Amerigas Propane L.P. 2 awardees Top agencies DOI (Department of the Interior) DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$1,340,569	1.2%	Rank history: not on the FY2021 list, #15 in FY2023, #19 in FY2024 and #28 in FY2025; new.
22	Inchcape Shipping Services Dubai LLC Top agencies DLA (Defense Logistics Agency)	$1,333,989	1.2%	Rank history: #10 in FY2021, #28 in FY2023, #20 in FY2024 and #29 in FY2025; down 12 since FY2021.
23	The Gas Company, LLC Top agencies Navy (Department of the Navy)	$1,313,011	1.1%	Rank history: #22 in FY2021, #21 in FY2023, #39 in FY2024 and not on the FY2025 list; down 1 since FY2021.
24	Constellation Newenergy - Gas Division LLC Top agencies Army (Department of the Army)	$1,093,351	1.0%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
25	Suburban Propane Partners, L.P 2 awardees Top agencies DOI (Department of the Interior) Army (Department of the Army) DHS (Department of Homeland Security)	$960,728	0.8%	Rank history: #37 in FY2021, #44 in FY2023, not on the FY2024 list and #48 in FY2025; up 12 since FY2021.
26	Exelon Corporation Through Constellation Newenergy - Gas Division, LLC Top agencies Army (Department of the Army) DOJ (Department of Justice)	$919,678	0.8%	Rank history: #4 in FY2021, #86 in FY2023 and not on the FY2024–FY2025 lists; down 22 since FY2021.
27	Roberts Oxygen Co Inc. Top agencies HHS (Department of Health and Human Services) EPA (Environmental Protection Agency) VA (Department of Veterans Affairs)	$885,940	0.8%	Rank history: #21 in FY2021, #26 in FY2023, #18 in FY2024 and #16 in FY2025; down 6 since FY2021.
28	Red River Resources LLC Top agencies DOI (Department of the Interior)	$838,166	0.7%	Rank history: #77 in FY2021, #45 in FY2023 and not on the FY2024–FY2025 lists; up 49 since FY2021.
29	Capitol Carbonic Corp Top agencies HHS (Department of Health and Human Services)	$832,209	0.7%	Rank history: #35 in FY2021, not on the FY2023 list, #22 in FY2024 and #22 in FY2025; up 6 since FY2021.
30	Global Gases Group FZE Top agencies Army (Department of the Army)	$795,894	0.7%	Rank history: #12 in FY2021, #31 in FY2023, not on the FY2024 list and #30 in FY2025; down 18 since FY2021.
31	Texas Ohio Energy Inc. Through High Desert Pipeline, Inc. Top agencies Army (Department of the Army)	$756,303	0.7%	Rank history: #59 in FY2021, #10 in FY2023, #11 in FY2024 and not on the FY2025 list; up 28 since FY2021.
32	Griffin's Propane, Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) DOI (Department of the Interior)	$751,442	0.7%	Rank history: not on the FY2021 list, #79 in FY2023, #50 in FY2024 and #82 in FY2025; new.
33	Rotech Healthcare Inc. Top agencies VA (Department of Veterans Affairs)	$729,753	0.6%	Rank history: #26 in FY2021 and not on the FY2023–FY2025 lists; down 7 since FY2021.
34	BSE Performance, LLC Top agencies Army (Department of the Army) DOI (Department of the Interior) DLA (Defense Logistics Agency)	$699,747	0.6%	Rank history: #41 in FY2021, #42 in FY2023, #44 in FY2024 and #86 in FY2025; up 7 since FY2021.
35	Stripes Global, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$613,724	0.5%	Rank history: #75 in FY2021, #55 in FY2023, #46 in FY2024 and not on the FY2025 list; up 40 since FY2021.
36	Sage Energy Trading LLC Top agencies USAF (Department of the Air Force)	$612,091	0.5%	Rank history: #5 in FY2021 and not on the FY2023–FY2025 lists; down 31 since FY2021.
37	Medical Equipment & Supplies of America LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$576,240	0.5%	Rank history: #67 in FY2021, #32 in FY2023, #34 in FY2024 and #26 in FY2025; up 30 since FY2021.
38	Interworld Highway, LLC Top agencies DHS (Department of Homeland Security)	$558,093	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
39	Ferrellgas Partners L.P. Through Ferrellgas, L.P Top agencies Army (Department of the Army) DOI (Department of the Interior) Navy (Department of the Navy)	$494,601	0.4%	Rank history: #55 in FY2021, #61 in FY2023, #40 in FY2024 and not on the FY2025 list; up 16 since FY2021.
40	Federal Resources Supply Company 2 awardees Top agencies DLA (Defense Logistics Agency)	$463,293	0.4%	Rank history: #44 in FY2021, #37 in FY2023, #49 in FY2024 and #81 in FY2025; up 4 since FY2021.
41	Coastal Energy, Inc. Top agencies USAF (Department of the Air Force)	$435,750	0.4%	Rank history: #73 in FY2021, not on the FY2023 list, #60 in FY2024 and #38 in FY2025; up 32 since FY2021.
42	R & M Government Services Inc. Top agencies Army (Department of the Army)	$435,082	0.4%	Rank history: #23 in FY2021, not on the FY2023 list, #59 in FY2024 and #77 in FY2025; down 19 since FY2021.
43	Applied LNG Technologies LLC Top agencies DOI (Department of the Interior)	$412,678	0.4%	Rank history: not on the FY2021 list, #36 in FY2023, #89 in FY2024 and #52 in FY2025; new.
44	Nexair LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) EPA (Environmental Protection Agency)	$407,711	0.4%	Rank history: #43 in FY2021, #56 in FY2023, #55 in FY2024 and #49 in FY2025; down 1 since FY2021.
45	Cobham Mission Systems Orchard Park Inc. Through Mission Systems Orchard Park Inc. Top agencies USAF (Department of the Air Force)	$403,498	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
46	International Gas & Services Top agencies DLA (Defense Logistics Agency)	$393,499	0.3%	Rank history: #42 in FY2021, #47 in FY2023, #54 in FY2024 and #51 in FY2025; down 4 since FY2021.
47	Airgas USA LLC 2 awardees Top agencies EPA (Environmental Protection Agency) Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$348,951	0.3%	Rank history: #49 in FY2021, #4 in FY2023, #4 in FY2024 and #4 in FY2025; up 2 since FY2021.
48	808 Solutions Inc. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) Army (Department of the Army)	$338,727	0.3%	Rank history: #78 in FY2021, #51 in FY2023, #73 in FY2024 and #44 in FY2025; up 30 since FY2021.
49	Cryo-Express, LLC Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$329,145	0.3%	Rank history: #51 in FY2021, #60 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2021.
50	TMG Gases, Inc. Top agencies Army (Department of the Army) Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$327,772	0.3%	Rank history: #31 in FY2021, #43 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2021.
51	Christopher I. Oyolokor SR. Top agencies Army (Department of the Army) DOI (Department of the Interior) Navy (Department of the Navy)	$315,200	0.3%	Rank history: #46 in FY2021, #40 in FY2023, #43 in FY2024 and #43 in FY2025; down 5 since FY2021.
52	Robbins Metal Fab LLC Top agencies Navy (Department of the Navy)	$298,345	0.3%	Rank history: not on the FY2021 list, #90 in FY2023, #88 in FY2024 and not on the FY2025 list; up 74 since FY2021.
53	Strandmoellen GMBH & Co. KG Top agencies Army (Department of the Army)	$293,188	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
54	Haun Welding Supply Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$255,847	0.2%	Rank history: #65 in FY2021, not on the FY2023 list, #85 in FY2024 and #50 in FY2025; up 11 since FY2021.
55	Wells Capital Llc. Top agencies Commerce (Department of Commerce)	$250,000	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
56	Electronic Fluorocarbons, LLC Top agencies NASA (National Aeronautics and Space Administration)	$249,915	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
57	US Military Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$235,800	0.2%	Rank history: not on the FY2021 list, #92 in FY2023, #69 in FY2024 and #59 in FY2025; new.
58	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$230,444	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
59	Mcgas, L.L.C. Top agencies DOI (Department of the Interior)	$226,674	0.2%	Rank history: #66 in FY2021, #77 in FY2023, #79 in FY2024 and not on the FY2025 list; up 7 since FY2021.
60	Arc3 Gases, Inc. 4 awardees, including Arcet Equipment Co Top agencies DOJ (Department of Justice) HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$221,405	0.2%	Rank history: #53 in FY2021, #62 in FY2023, #66 in FY2024 and #63 in FY2025; down 7 since FY2021.
61	DFW Cad Services LLC Top agencies DOI (Department of the Interior)	$210,770	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
62	BBA Aviation PLC Through Epic Aviation, LLC Top agencies DOT (Department of Transportation)	$206,991	0.2%	Rank history: #64 in FY2021, #70 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2021.
63	S.j. Smith Co., Inc. Top agencies Army (Department of the Army)	$188,670	0.2%	Rank history: #30 in FY2021, #41 in FY2023 and not on the FY2024–FY2025 lists; down 33 since FY2021.
64	Purple Heart Connect LLC Top agencies DOT (Department of Transportation)	$185,472	0.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #76 in FY2024 and not on the FY2025 list; new.
65	Innovative Federal Operations Group, Incorporated Top agencies Army (Department of the Army) DOI (Department of the Interior)	$185,409	0.2%	Rank history: #79 in FY2021, #54 in FY2023, #45 in FY2024 and #46 in FY2025; up 14 since FY2021.
66	Strategic Consulting Alliances, LLC Top agencies Army (Department of the Army)	$185,094	0.2%	Rank history: #38 in FY2021, #34 in FY2023, #29 in FY2024 and #45 in FY2025; down 28 since FY2021.
67	Buzwair Industrial Gases Factories Top agencies USAF (Department of the Air Force)	$176,568	0.2%	Rank history: #50 in FY2021, #64 in FY2023, #65 in FY2024 and not on the FY2025 list; down 17 since FY2021.
68	FSR Consulting LLC Top agencies USAF (Department of the Air Force)	$171,195	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
69	Siemens Aktiengesellschaft Through Siemens Medical Solutions Usa, Inc. Top agencies DHA (Defense Health Agency)	$169,935	0.1%	Rank history: #60 in FY2021 and not on the FY2023–FY2025 lists; down 9 since FY2021.
70	Talon Veteran Services Incorporated Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$168,931	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
71	Gallup Welders Supply Inc. Top agencies HHS (Department of Health and Human Services)	$159,497	0.1%	Rank history: #81 in FY2021, #94 in FY2023, #84 in FY2024 and #70 in FY2025; up 10 since FY2021.
72	Veteran Chemicals, Inc. Top agencies Commerce (Department of Commerce) Army (Department of the Army)	$159,455	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 34 since FY2021.
73	General Air Service & Supply Co. Top agencies Commerce (Department of Commerce) Army (Department of the Army) Treasury (Department of the Treasury)	$156,837	0.1%	Rank history: #93 in FY2021, #63 in FY2023, #93 in FY2024 and #83 in FY2025; up 20 since FY2021.
74	Arabian Industrial Gases Co L.l.c Top agencies DLA (Defense Logistics Agency)	$137,354	0.1%	Rank history: not on the FY2021 list, #95 in FY2023 and not on the FY2024–FY2025 lists; up 53 since FY2021.
75	Central Welding Supply Company Top agencies Navy (Department of the Navy) Commerce (Department of Commerce) EPA (Environmental Protection Agency)	$136,281	0.1%	Rank history: #85 in FY2021 and not on the FY2023–FY2025 lists; up 10 since FY2021.
76	Centrica PLC Through NRG Business Marketing LLC Top agencies Army (Department of the Army)	$130,332	0.1%	Rank history: #14 in FY2021, #11 in FY2023, #8 in FY2024 and not on the FY2025 list; down 62 since FY2021.
77	AMG Company, Inc. Top agencies DOI (Department of the Interior)	$126,889	0.1%	Rank history: #83 in FY2021, #69 in FY2023, #90 in FY2024 and #71 in FY2025; up 6 since FY2021.
78	Fujimura Shoten, KK Top agencies DLA (Defense Logistics Agency)	$124,570	0.1%	Rank history: #95 in FY2021 and not on the FY2023–FY2025 lists; up 17 since FY2021.
79	Taylor Gas Co Inc. Top agencies Navy (Department of the Navy)	$122,000	0.1%	Rank history: #89 in FY2021 and not on the FY2023–FY2025 lists; up 10 since FY2021.
80	Earlbeck Corporation Top agencies DHS (Department of Homeland Security)	$115,622	0.1%	Rank history: #56 in FY2021, not on the FY2023–FY2024 lists and #78 in FY2025; down 24 since FY2021.
81	Cardinal Health, Inc. Top agencies VA (Department of Veterans Affairs)	$114,150	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
82	3M Company Through Scott Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$111,956	0.1%	Rank history: #52 in FY2021, #52 in FY2023 and not on the FY2024–FY2025 lists; down 30 since FY2021.
83	Okano, K.K. Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$110,873	0.1%	Rank history: #74 in FY2021, #57 in FY2023, #48 in FY2024 and #58 in FY2025; down 9 since FY2021.
84	Pyungsong LPG Top agencies USAF (Department of the Air Force)	$103,060	0.1%	Rank history: not on the FY2021 list, #98 in FY2023 and not on the FY2024–FY2025 lists; new.
85	3T Federal Solutions LLC Top agencies HHS (Department of Health and Human Services) Commerce (Department of Commerce)	$102,844	0.1%	Rank history: #69 in FY2021 and not on the FY2023–FY2025 lists; down 16 since FY2021.
86	Pico Propane Operating, LLC Top agencies DOI (Department of the Interior)	$100,000	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
87	Nippon Sanso Matheson, Inc. Top agencies Army (Department of the Army) Treasury (Department of the Treasury) DLA (Defense Logistics Agency)	$99,770	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 44 since FY2021.
88	Chopro K.K. Top agencies Navy (Department of the Navy)	$97,085	0.1%	Rank history: not on the FY2021 list, #89 in FY2023 and not on the FY2024–FY2025 lists; up 16 since FY2021.
89	National Fuel Gas Company Through National Fuel Gas Distribution Corp Top agencies DOJ (Department of Justice)	$93,166	0.1%	Rank history: #84 in FY2021 and not on the FY2023–FY2025 lists; down 5 since FY2021.
90	Fraley Propane LLC Top agencies DOI (Department of the Interior)	$91,055	0.1%	Rank history: not on the FY2021 list, #83 in FY2023 and not on the FY2024–FY2025 lists; new.
91	AGP LLC Top agencies EPA (Environmental Protection Agency) VA (Department of Veterans Affairs)	$89,190	0.1%	Rank history: #92 in FY2021 and not on the FY2023–FY2025 lists; up 1 since FY2021.
92	D & R Propane, Inc. Top agencies DOI (Department of the Interior)	$87,836	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
93	Daiichi Kasei Sangyo Co.,Ltd. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$84,629	0.1%	Rank history: #63 in FY2021, #81 in FY2023, #81 in FY2024 and #94 in FY2025; down 30 since FY2021.
94	Farmers Union Oil Co of Beach Top agencies DOI (Department of the Interior)	$82,597	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 30 since FY2021.
95	Haun Specialty Gases, Inc. Top agencies Army (Department of the Army)	$81,490	0.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
96	United States Welding, Inc. 2 awardees Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$80,100	0.1%	Rank history: not on the FY2021 list, #75 in FY2023, #77 in FY2024 and #74 in FY2025; up 18 since FY2021.
97	Keystone Propane Service, Inc. Top agencies Army (Department of the Army)	$75,000	0.1%	Rank history: #96 in FY2021 and not on the FY2023–FY2025 lists; down 1 since FY2021.
98	Liquilux Gas Corp Top agencies DOJ (Department of Justice)	$70,648	0.1%	Rank history: #100 in FY2021 and not on the FY2023–FY2025 lists; up 2 since FY2021.
99	Maine Oxy-Acetylene Supply Company Top agencies Navy (Department of the Navy)	$69,532	0.1%	Rank history: not on the FY2021 list, #87 in FY2023, #91 in FY2024 and #73 in FY2025; up 14 since FY2021.
100	Yorkshire Industries LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$69,312	0.1%	Rank history: #58 in FY2021, not on the FY2023 list, #95 in FY2024 and not on the FY2025 list; down 42 since FY2021.

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100 of 243 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 $114 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 2022 ran Oct 1, 2021 – Sep 30, 2022. 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 FY2021. "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 FY2021 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 FY2022?

1. Hudson Technologies, Inc. ($14.8M), 2. Airgas Inc. ($8.36M), 3. RAS Enterprises LLC ($5.4M), 4. Centerpoint Energy Services Inc. ($3.6M), 5. Paula F Price Enterprises LLC ($3.39M), 6. Tiger Natural Gas, Inc. ($3.31M), 7. NRG Energy, Inc. ($3.21M), 8. San Luis Butane Distributors ($3.09M), 9. Matheson TRI-Gas Inc. ($2.94M), 10. Air Products and Chemicals, Inc. ($1.97M).

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