Top 100 Contractors in NAICS 32512: Industrial Gas Manufacturing, FY2023

Name: Top 100 Contractors in NAICS 32512: Industrial Gas Manufacturing, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 72% of FY2023 NAICS 32512 contract dollars

Contract obligations: $325,449,404 Net of deobligations, by contracts coded NAICS 32512 or a code under it
Contractors: 258 Parent companies with an obligation
Largest contractor: Air Products and Chemicals, Inc. $186 million, 48.9% 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	Air Products and Chemicals, Inc. Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$185,708,083	48.9%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	Linde LLC 2 awardees, including Messer LLC and Messer Gas Puerto Rico Inc. Top agencies NASA (National Aeronautics and Space Administration) DOI (Department of the Interior) Treasury (Department of the Treasury)	$29,606,026	7.8%	Rank history: #5 in FY2021, #5 in FY2022, #4 in FY2024 and #9 in FY2025; up 3 since FY2022.
3	Airgas USA LLC 15 awardees, including Air Liquide Sanita\' Service SPA and Airgas Inc. Top agencies DLA (Defense Logistics Agency) Commerce (Department of Commerce) DHA (Defense Health Agency)	$15,866,899	4.2%	Rank history: #35 in FY2021, #36 in FY2022, #6 in FY2024 and #2 in FY2025; up 33 since FY2022.
4	Cliffside Refiners L P Top agencies DOI (Department of the Interior)	$9,025,426	2.4%	Rank history: #6 in FY2021, #8 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
5	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) DHA (Defense Health Agency)	$8,895,287	2.3%	Rank history: #4 in FY2021, #6 in FY2022, #5 in FY2024 and #5 in FY2025; up 1 since FY2022.
6	(Rc) 2 Pharma Connect L.L.C. Top agencies DLA (Defense Logistics Agency)	$6,410,742	1.7%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2024 and #7 in FY2025; new.
7	RCG of North Carolina, LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DHA (Defense Health Agency)	$4,744,760	1.2%	Rank history: #13 in FY2021, #10 in FY2022, #7 in FY2024 and #8 in FY2025; up 3 since FY2022.
8	Dixie Chemical Company, Inc. Top agencies DLA (Defense Logistics Agency)	$4,560,405	1.2%	Rank history: #9 in FY2021, #16 in FY2022, #12 in FY2024 and not on the FY2025 list; up 8 since FY2022.
9	The Warwick Supply and Equipment Co., Inc. Top agencies VA (Department of Veterans Affairs)	$4,535,866	1.2%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2024 and #34 in FY2025; new.
10	CF Industries Holdings Inc. Through CF Industries Nitrogen LLC Top agencies DLA (Defense Logistics Agency)	$3,644,705	1.0%	Rank history: #8 in FY2021, #3 in FY2022, #14 in FY2024 and not on the FY2025 list; down 7 since FY2022.
11	Paula F Price Enterprises LLC 2 awardees Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$3,397,585	0.9%	Rank history: #64 in FY2021, #9 in FY2022, #9 in FY2024 and #10 in FY2025; down 2 since FY2022.
12	Matheson TRI-Gas Inc. 3 awardees, including Nippon Sanso Matheson, Inc. and Nippon Sanso Deutschland GMBH Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) NASA (National Aeronautics and Space Administration)	$3,360,504	0.9%	Rank history: #7 in FY2021, #7 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
13	Airgas Inc. 14 awardees, including Airgas Usa, LLC, Air Liquide Italia Service S.R.L. and Airgas Carbonic, Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$3,222,646	0.8%	Rank history: #3 in FY2021, #4 in FY2022, #35 in FY2024 and #41 in FY2025; down 9 since FY2022.
14	Global Gases Group FZE Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$2,922,322	0.8%	Rank history: #12 in FY2021, #11 in FY2022, #34 in FY2024 and #17 in FY2025; down 3 since FY2022.
15	ROY Smith Company Top agencies Army (Department of the Army)	$2,205,000	0.6%	Rank history: #15 in FY2021, not on the FY2022 list, #21 in FY2024 and #24 in FY2025; returned.
16	Mitsubishi Chemical Holdings Corporation 3 awardees, including Nippon Sanso Matheson, Inc. and Matheson Tri-Gas, Inc. Top agencies DLA (Defense Logistics Agency) USDA (Department of Agriculture) NASA (National Aeronautics and Space Administration)	$2,105,404	0.6%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2024 and #13 in FY2025; new.
17	Roberts Oxygen Company Inc. 2 awardees Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) EPA (Environmental Protection Agency)	$1,905,700	0.5%	Rank history: #14 in FY2021, #17 in FY2022, #13 in FY2024 and #16 in FY2025; unchanged since FY2022.
18	Cryo-Express, LLC Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$1,621,776	0.4%	Rank history: #33 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
19	Green Lantern, LLC Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services) Commerce (Department of Commerce)	$1,611,978	0.4%	Rank history: #10 in FY2021, #12 in FY2022, #15 in FY2024 and #19 in FY2025; down 7 since FY2022.
20	The Gas Company, LLC Top agencies Navy (Department of the Navy)	$1,503,591	0.4%	Rank history: #20 in FY2021, #15 in FY2022, #33 in FY2024 and not on the FY2025 list; down 5 since FY2022.
21	Goodrich Gas Inc. Top agencies Army (Department of the Army)	$1,459,879	0.4%	Rank history: #16 in FY2021, #13 in FY2022, #24 in FY2024 and #28 in FY2025; down 8 since FY2022.
22	Inchcape Shipping Services Dubai LLC Top agencies DLA (Defense Logistics Agency)	$1,177,731	0.3%	Rank history: #11 in FY2021, #14 in FY2022, #16 in FY2024 and #23 in FY2025; down 8 since FY2022.
23	Marianas Gas Corp 2 awardees Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$1,163,160	0.3%	Rank history: #21 in FY2021, #23 in FY2022, #29 in FY2024 and #27 in FY2025; unchanged since FY2022.
24	Johann Haltermann Ltd. Through Monument Chemical Houston LLC Top agencies DLA (Defense Logistics Agency)	$1,155,600	0.3%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2024 and not on the FY2025 list; new.
25	Talon Veteran Services Incorporated Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$1,028,900	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
26	Medical Equipment & Supplies of America LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DOJ (Department of Justice)	$854,613	0.2%	Rank history: #24 in FY2021, #18 in FY2022, #23 in FY2024 and #22 in FY2025; down 8 since FY2022.
27	Central Mcgowan Inc. Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$792,538	0.2%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2024 and #44 in FY2025; up 128 since FY2022.
28	Merrimac Petroleum, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$770,490	0.2%	Rank history: #22 in FY2021, #21 in FY2022, #30 in FY2024 and #43 in FY2025; down 7 since FY2022.
29	Strategic Consulting Alliances, LLC Top agencies Army (Department of the Army)	$748,362	0.2%	Rank history: #25 in FY2021, #52 in FY2022, #22 in FY2024 and #32 in FY2025; up 23 since FY2022.
30	Applied LNG Technologies LLC Top agencies DOI (Department of the Interior)	$713,643	0.2%	Rank history: not on the FY2021 list, #29 in FY2022, #86 in FY2024 and #40 in FY2025; down 1 since FY2022.
31	Christopher I. Oyolokor SR. Top agencies Army (Department of the Army) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$641,610	0.2%	Rank history: #55 in FY2021, #25 in FY2022, #37 in FY2024 and #35 in FY2025; down 6 since FY2022.
32	TMG Gases, Inc. Top agencies Army (Department of the Army) Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$565,296	0.1%	Rank history: #17 in FY2021, #46 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
33	Nexair LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$560,242	0.1%	Rank history: #26 in FY2021, #30 in FY2022, #26 in FY2024 and #33 in FY2025; down 3 since FY2022.
34	S.j. Smith Co., Inc. Top agencies Army (Department of the Army)	$558,948	0.1%	Rank history: #23 in FY2021, #54 in FY2022 and not on the FY2024–FY2025 lists; up 20 since FY2022.
35	808 Solutions Inc. Top agencies Navy (Department of the Navy) DHA (Defense Health Agency) Army (Department of the Army)	$497,279	0.1%	Rank history: #75 in FY2021, #35 in FY2022, #52 in FY2024 and #31 in FY2025; unchanged since FY2022.
36	Stripes Global, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$487,390	0.1%	Rank history: #28 in FY2021, #87 in FY2022, #27 in FY2024 and #30 in FY2025; up 51 since FY2022.
37	Chase Supply, Inc. Top agencies Navy (Department of the Navy)	$465,256	0.1%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2024 and not on the FY2025 list; new.
38	US Military Corp Top agencies Army (Department of the Army) Navy (Department of the Navy)	$464,046	0.1%	Rank history: not on the FY2021 list, #63 in FY2022 and not on the FY2024–FY2025 lists; up 25 since FY2022.
39	Hudson Technologies, Inc. Top agencies Navy (Department of the Navy)	$462,128	0.1%	Rank history: not on the FY2021 list, #22 in FY2022, #32 in FY2024 and #4 in FY2025; down 17 since FY2022.
40	North American Refrigerants Inc. Top agencies NASA (National Aeronautics and Space Administration)	$459,200	0.1%	Rank history: #27 in FY2021, not on the FY2022 list, #19 in FY2024 and not on the FY2025 list; returned.
41	International Gas & Services Top agencies DLA (Defense Logistics Agency)	$419,750	0.1%	Rank history: #31 in FY2021, #31 in FY2022, #46 in FY2024 and #39 in FY2025; down 10 since FY2022.
42	Norco Inc. Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) VA (Department of Veterans Affairs)	$414,016	0.1%	Rank history: #37 in FY2021, not on the FY2022 list, #44 in FY2024 and #51 in FY2025; up 115 since FY2022.
43	Chuo Shoko Co., Ltd Top agencies Navy (Department of the Navy)	$393,656	0.1%	Rank history: #32 in FY2021, #33 in FY2022, #50 in FY2024 and #49 in FY2025; down 10 since FY2022.
44	General Air Service & Supply Co. Top agencies Commerce (Department of Commerce) EPA (Environmental Protection Agency) DHA (Defense Health Agency)	$363,918	0.1%	Rank history: #66 in FY2021, #77 in FY2022, #72 in FY2024 and #45 in FY2025; up 33 since FY2022.
45	Amerigas Propane L.P. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$356,833	0.1%	Rank history: not on the FY2021 list, #78 in FY2022, #98 in FY2024 and #94 in FY2025; up 33 since FY2022.
46	Arc3 Gases, Inc. 4 awardees, including Arcet Equipment Co Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DOJ (Department of Justice)	$348,113	0.1%	Rank history: #36 in FY2021, #39 in FY2022, #48 in FY2024 and #42 in FY2025; down 7 since FY2022.
47	Federal Resources Supply Company Top agencies DLA (Defense Logistics Agency)	$346,753	0.1%	Rank history: #38 in FY2021, #43 in FY2022, #41 in FY2024 and #71 in FY2025; down 4 since FY2022.
48	Gallup Welders Supply Inc. 2 awardees Top agencies HHS (Department of Health and Human Services) DOI (Department of the Interior)	$336,138	0.1%	Rank history: #47 in FY2021, #37 in FY2022, #51 in FY2024 and #46 in FY2025; down 11 since FY2022.
49	Okano, K.K. Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$332,140	0.1%	Rank history: #69 in FY2021, #80 in FY2022, #40 in FY2024 and #48 in FY2025; up 31 since FY2022.
50	BSE Performance, LLC Top agencies DLA (Defense Logistics Agency) DOI (Department of the Interior) Army (Department of the Army)	$328,615	0.1%	Rank history: #58 in FY2021, #42 in FY2022, #47 in FY2024 and #84 in FY2025; down 8 since FY2022.
51	Metalcraft, Inc. Top agencies DLA (Defense Logistics Agency)	$322,540	0.1%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and #47 in FY2025; new.
52	Innovative Federal Operations Group, Incorporated Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$292,000	0.1%	Rank history: #59 in FY2021, #65 in FY2022, #39 in FY2024 and #38 in FY2025; up 13 since FY2022.
53	Aktin IE J.d.o.o. Top agencies Army (Department of the Army)	$288,417	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	AGP LLC Top agencies VA (Department of Veterans Affairs) EPA (Environmental Protection Agency)	$285,252	0.1%	Rank history: #45 in FY2021, #60 in FY2022, #67 in FY2024 and #62 in FY2025; up 6 since FY2022.
55	R & M Government Services Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$256,443	0.1%	Rank history: #19 in FY2021, #24 in FY2022, #43 in FY2024 and #59 in FY2025; down 31 since FY2022.
56	Ferrellgas Partners L.P. Through Ferrellgas, L.P Top agencies Navy (Department of the Navy) DOJ (Department of Justice)	$254,067	0.1%	Rank history: #94 in FY2021, #59 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
57	United States Welding, Inc. 3 awardees Top agencies USDA (Department of Agriculture) Commerce (Department of Commerce) Army (Department of the Army)	$245,194	0.1%	Rank history: #81 in FY2021, #67 in FY2022, #55 in FY2024 and #60 in FY2025; up 10 since FY2022.
58	Buzwair Industrial Gases Factories Top agencies USAF (Department of the Air Force)	$236,567	0.1%	Rank history: #39 in FY2021, #62 in FY2022, #62 in FY2024 and not on the FY2025 list; up 4 since FY2022.
59	Jetco USA Inc. Top agencies Commerce (Department of Commerce)	$227,273	0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and #57 in FY2025; new.
60	Haun Specialty Gases, Inc. Top agencies VA (Department of Veterans Affairs)	$221,955	0.1%	Rank history: #54 in FY2021, #44 in FY2022, #75 in FY2024 and #66 in FY2025; down 16 since FY2022.
61	Capitol Carbonic Corporation Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$217,903	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	Galusha Technologies LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$215,436	0.1%	Rank history: #74 in FY2021, #75 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
63	1032 Enterprises LLC Top agencies Navy (Department of the Navy)	$205,800	0.1%	Rank history: not on the FY2021 list, #73 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
64	General Distributing Co Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$201,232	0.1%	Rank history: #48 in FY2021, #47 in FY2022, #56 in FY2024 and #58 in FY2025; down 17 since FY2022.
65	Robbins Metal Fab LLC 2 awardees Top agencies Navy (Department of the Navy)	$199,159	0.1%	Rank history: not on the FY2021 list, #38 in FY2022, #83 in FY2024 and #95 in FY2025; down 27 since FY2022.
66	Wanklyn Oil Co. Inc. Top agencies Army (Department of the Army)	$196,402	0.1%	Rank history: #63 in FY2021, #99 in FY2022, #99 in FY2024 and #85 in FY2025; up 33 since FY2022.
67	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$194,910	0.1%	Rank history: #98 in FY2021, not on the FY2022 list, not on the FY2024 list and #67 in FY2025; up 117 since FY2022.
68	Strandmoellen GMBH & Co. KG Top agencies DHA (Defense Health Agency)	$189,848	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #76 in FY2025; new.
69	Central Welding Supply Company Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) EPA (Environmental Protection Agency)	$187,270	<0.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2024 and #81 in FY2025; new.
70	Treadwell Corporation (Delaware) Top agencies DLA (Defense Logistics Agency)	$184,444	<0.1%	Rank history: #95 in FY2021, #68 in FY2022, #54 in FY2024 and not on the FY2025 list; down 2 since FY2022.
71	Mcgas, L.L.C. Top agencies DOI (Department of the Interior)	$173,012	<0.1%	Rank history: #61 in FY2021, #49 in FY2022, #78 in FY2024 and not on the FY2025 list; down 22 since FY2022.
72	Select Gases, LLC Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) DLA (Defense Logistics Agency)	$165,112	<0.1%	Rank history: #41 in FY2021, #55 in FY2022, #59 in FY2024 and #61 in FY2025; down 17 since FY2022.
73	Middlesex Gases & Technologies, Inc. Top agencies VA (Department of Veterans Affairs) EPA (Environmental Protection Agency)	$161,283	<0.1%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2024 and #79 in FY2025; up 117 since FY2022.
74	OST Services, LLC Top agencies VA (Department of Veterans Affairs)	$156,985	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
75	Asco Carbon Dioxide Inc. Top agencies DHA (Defense Health Agency)	$155,542	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Daiichi Kasei Sangyo Co.,Ltd. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$155,346	<0.1%	Rank history: #57 in FY2021, #88 in FY2022, #79 in FY2024 and #78 in FY2025; up 12 since FY2022.
77	Maine Oxy-Acetylene Supply Company Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) VA (Department of Veterans Affairs)	$153,383	<0.1%	Rank history: #89 in FY2021, #82 in FY2022, #70 in FY2024 and #50 in FY2025; up 5 since FY2022.
78	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$147,417	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Fraley Propane LLC Top agencies DOI (Department of the Interior)	$147,000	<0.1%	Rank history: not on the FY2021 list, #85 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
80	SDB Consultants, Ltd. Top agencies DLA (Defense Logistics Agency)	$139,140	<0.1%	Rank history: #83 in FY2021, #98 in FY2022 and not on the FY2024–FY2025 lists; up 18 since FY2022.
81	Keen Compressed Gas Co. Top agencies Treasury (Department of the Treasury)	$132,973	<0.1%	Rank history: #93 in FY2021, #90 in FY2022, not on the FY2024 list and #73 in FY2025; up 9 since FY2022.
82	Standing Rock Propane Top agencies DOI (Department of the Interior)	$132,840	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Berkshire Hathaway Inc. Through Pivotal Lng, LLC Top agencies NASA (National Aeronautics and Space Administration)	$132,382	<0.1%	Rank history: #84 in FY2021, not on the FY2022 list, #42 in FY2024 and #99 in FY2025; returned.
84	Focus Medical Gases LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$122,639	<0.1%	Rank history: #56 in FY2021, not on the FY2022 list, not on the FY2024 list and #69 in FY2025; up 22 since FY2022.
85	Nilofer Battiwala Top agencies Commerce (Department of Commerce)	$117,770	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Arabian Industrial Gases Co L.l.c Top agencies DLA (Defense Logistics Agency)	$113,728	<0.1%	Rank history: not on the FY2021 list, #57 in FY2022 and not on the FY2024–FY2025 lists; down 29 since FY2022.
87	Linde Public Limited Company 2 awardees, including Linde Korea Co., Ltd and Linde GMBH Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$112,192	<0.1%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and #6 in FY2025; new.
88	OZ Arc / Gas Equipment & Supply, Inc. 2 awardees Top agencies VA (Department of Veterans Affairs)	$111,206	<0.1%	Rank history: #91 in FY2021, #61 in FY2022 and not on the FY2024–FY2025 lists; down 27 since FY2022.
89	Indiana Oxygen Company Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$107,834	<0.1%	Rank history: #80 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 15 since FY2022.
90	ARTIUS Top agencies VA (Department of Veterans Affairs)	$104,208	<0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2024 and not on the FY2025 list; new.
91	Keystone Fire Protection Co Top agencies DLA (Defense Logistics Agency)	$103,680	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 75 since FY2022.
92	Inflation Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$99,405	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Yorkshire Industries LLC Top agencies DLA (Defense Logistics Agency)	$96,776	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 106 since FY2022.
94	Linde Peru S.R.L. Top agencies Navy (Department of the Navy)	$96,312	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	Earlbeck Corporation Top agencies DHS (Department of Homeland Security)	$95,038	<0.1%	Rank history: not on the FY2021 list, #66 in FY2022, not on the FY2024 list and #68 in FY2025; down 29 since FY2022.
96	Dual Express Logistics, LLC Top agencies Army (Department of the Army)	$88,612	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Fujimura Shoten, KK Top agencies DLA (Defense Logistics Agency)	$79,302	<0.1%	Rank history: #85 in FY2021, #76 in FY2022 and not on the FY2024–FY2025 lists; down 21 since FY2022.
98	Electronic Fluorocarbons, LLC Top agencies NASA (National Aeronautics and Space Administration)	$79,065	<0.1%	Rank history: not on the FY2021 list, #45 in FY2022, not on the FY2024 list and #86 in FY2025; down 53 since FY2022.
99	FSR Consulting LLC Top agencies USAF (Department of the Air Force)	$78,992	<0.1%	Rank history: not on the FY2021 list, #64 in FY2022 and not on the FY2024–FY2025 lists; down 35 since FY2022.
100	Veteran Chemicals, Inc. Top agencies Commerce (Department of Commerce) Army (Department of the Army)	$76,575	<0.1%	Rank history: #53 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; down 44 since FY2022.

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100 of 258 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 32512

Code	Net obligations	Largest contractor
325120 Industrial Gas Manufacturing	$325,449,404	Air Products and Chemicals, Inc.

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 $380 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 32512 contractors in FY2023?

1. Air Products and Chemicals, Inc. ($186M), 2. Linde LLC ($29.6M), 3. Airgas USA LLC ($15.9M), 4. Cliffside Refiners L P ($9.03M), 5. RAS Enterprises LLC ($8.9M), 6. (Rc) 2 Pharma Connect L.L.C. ($6.41M), 7. RCG of North Carolina, LLC ($4.74M), 8. Dixie Chemical Company, Inc. ($4.56M), 9. The Warwick Supply and Equipment Co., Inc. ($4.54M), 10. CF Industries Holdings Inc. ($3.64M).

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