Top 100 Contractors in PSC 68: Chemicals and Chemical Products, Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC 68: Chemicals and Chemical Products, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 88% of PSC 68 contract dollars from July 2025 through June 2026

Contract obligations: $3,634,452,450 Net of deobligations, by contracts coded PSC 68 or a code under it
Contractors: 750 Parent companies with an obligation
Largest contractor: American Centrifuge Operating, LLC $900 million, 23.9% of obligations
Data as of: Oct 16, 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	American Centrifuge Operating, LLC Top agencies DOE (Department of Energy)	$900,000,000	23.9%	Rank history: not on the FY2021–FY2025 lists; up 117 since Jul 2024–Jun 2025.
2	Orano Federal Services LLC Top agencies DOE (Department of Energy)	$900,000,000	23.9%	Rank history: not on the FY2021–FY2025 lists; up 119 since Jul 2024–Jun 2025.
3	General Matter, Inc. Top agencies DOE (Department of Energy)	$900,000,000	23.9%	Rank history: not on the FY2021–FY2025 lists; up 119 since Jul 2024–Jun 2025.
4	Perimeter Solutions LP Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$234,979,714	6.2%	Rank history: #3 in FY2021, #3 in FY2022, #6 in FY2023, #1 in FY2024 and #1 in FY2025; down 3 since Jul 2024–Jun 2025.
5	The Boeing Company Top agencies Navy (Department of the Navy)	$154,408,112	4.1%	Rank history: not on the FY2021–FY2024 lists and #2 in FY2025; new, not ranked in Jul 2024–Jun 2025.
6	Arctic Slope Regional Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$76,733,799	2.0%	Rank history: #11 in FY2021, #71 in FY2022, not on the FY2023 list, #3 in FY2024 and #3 in FY2025; down 3 since Jul 2024–Jun 2025.
7	Hudson Technologies Company Top agencies DLA (Defense Logistics Agency)	$48,570,668	1.3%	Rank history: #4 in FY2021, #4 in FY2022, #4 in FY2023, #5 in FY2024 and #6 in FY2025; down 2 since Jul 2024–Jun 2025.
8	Sicpa Securink Corp. Top agencies Treasury (Department of the Treasury)	$41,146,751	1.1%	Rank history: not on the FY2021–FY2023 lists, #6 in FY2024 and #5 in FY2025; down 4 since Jul 2024–Jun 2025.
9	Crane Co. Through Crane & Co., Inc. Top agencies Treasury (Department of the Treasury)	$32,908,534	0.9%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2023, #2 in FY2024 and #4 in FY2025; down 7 since Jul 2024–Jun 2025.
10	Rgas LLC Top agencies DLA (Defense Logistics Agency)	$29,496,576	0.8%	Rank history: not on the FY2021–FY2024 lists and #23 in FY2025; up 1 since Jul 2024–Jun 2025.
11	Tokyo Gas Co.,Ltd. Top agencies Navy (Department of the Navy)	$27,164,141	0.7%	Rank history: not on the FY2021–FY2024 lists and #7 in FY2025; down 2 since Jul 2024–Jun 2025.
12	Schuyler Line Navigation Company LLC Top agencies Navy (Department of the Navy)	$22,270,438	0.6%	Rank history: not on the FY2021–FY2023 lists, #7 in FY2024 and #8 in FY2025; down 6 since Jul 2024–Jun 2025.
13	Buyo Gas Co.,Ltd. Top agencies USAF (Department of the Air Force)	$15,490,691	0.4%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; up 2 since Jul 2024–Jun 2025.
14	Drew Marine USA Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$12,388,143	0.3%	Rank history: #6 in FY2021, #6 in FY2022, #5 in FY2023, #9 in FY2024 and #10 in FY2025; down 6 since Jul 2024–Jun 2025.
15	Eneos Corporation Top agencies USAF (Department of the Air Force)	$12,227,922	0.3%	Rank history: not on the FY2021–FY2024 lists and #21 in FY2025; up 6 since Jul 2024–Jun 2025.
16	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) HHS (Department of Health and Human Services)	$11,993,353	0.3%	Rank history: #7 in FY2021, #8 in FY2022, #11 in FY2023, #11 in FY2024 and #11 in FY2025; down 6 since Jul 2024–Jun 2025.
17	Defense Energy Syndicate, LLC Top agencies DLA (Defense Logistics Agency)	$9,320,212	0.2%	Rank history: #12 in FY2021, #38 in FY2022, #62 in FY2023, #32 in FY2024 and #18 in FY2025; up 3 since Jul 2024–Jun 2025.
18	Airgas USA LLC 4 awardees Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency) Navy (Department of the Navy)	$9,009,082	0.2%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2023, #13 in FY2024 and #12 in FY2025; up 7 since Jul 2024–Jun 2025.
19	Specialized Materials and Chemicals, LLC Top agencies Army (Department of the Army)	$8,530,560	0.2%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2023, #8 in FY2024 and #31 in FY2025; down 7 since Jul 2024–Jun 2025.
20	RCG of North Carolina, LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DHA (Defense Health Agency)	$6,182,355	0.2%	Rank history: #58 in FY2021, #22 in FY2022, #16 in FY2023, #16 in FY2024 and #14 in FY2025; down 6 since Jul 2024–Jun 2025.
21	Sage Energy Trading LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$5,422,805	0.1%	Rank history: not on the FY2021–FY2023 lists, #89 in FY2024 and #49 in FY2025; up 74 since Jul 2024–Jun 2025.
22	Toyal America Inc. Top agencies Army (Department of the Army)	$5,272,176	0.1%	Rank history: not on the FY2021–FY2024 lists and #13 in FY2025; down 3 since Jul 2024–Jun 2025.
23	Nation Ford Chemical Co Top agencies Army (Department of the Army)	$4,353,830	0.1%	Rank history: #40 in FY2021, not on the FY2022 list, #18 in FY2023, #92 in FY2024 and #24 in FY2025; new, not ranked in Jul 2024–Jun 2025.
24	Air Products and Chemicals, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$4,342,425	0.1%	Rank history: #30 in FY2021, #20 in FY2022, #20 in FY2023, #29 in FY2024 and #25 in FY2025; up 8 since Jul 2024–Jun 2025.
25	Kuehne Chemical Company, Inc. Top agencies Army (Department of the Army)	$3,808,000	0.1%	Rank history: #18 in FY2021, #21 in FY2022, #35 in FY2023, #27 in FY2024 and #35 in FY2025; up 8 since Jul 2024–Jun 2025.
26	Paula F Price Enterprises LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) HHS (Department of Health and Human Services)	$3,780,234	0.1%	Rank history: not on the FY2021 list, #10 in FY2022, #21 in FY2023, #25 in FY2024 and #22 in FY2025; down 3 since Jul 2024–Jun 2025.
27	Morning Star Industries Inc. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) GSA (General Services Administration)	$3,501,489	0.1%	Rank history: #67 in FY2021, #88 in FY2022, #91 in FY2023, #45 in FY2024 and #27 in FY2025; up 64 since Jul 2024–Jun 2025.
28	Matheson TRI-Gas Inc. 3 awardees, including Nippon Sanso Matheson, Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) Army (Department of the Army)	$3,391,448	0.1%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023, #28 in FY2024 and #39 in FY2025; up 14 since Jul 2024–Jun 2025.
29	Pacific Consolidated Industries LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$3,373,839	0.1%	Rank history: not on the FY2021–FY2024 lists and #28 in FY2025; new, not ranked in Jul 2024–Jun 2025.
30	Centerpoint Energy Resources Corp. 2 awardees, including Nextera Energy Services Gas, LLC and Mobile Energy Solutions, Inc. Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$3,226,130	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
31	Usalco, LLC Top agencies Army (Department of the Army)	$2,956,802	0.1%	Rank history: not on the FY2021–FY2023 lists, #60 in FY2024 and #30 in FY2025; down 5 since Jul 2024–Jun 2025.
32	Scentry Biologicals, Inc. Top agencies USDA (Department of Agriculture)	$2,597,928	0.1%	Rank history: #20 in FY2021, #18 in FY2022, #27 in FY2023, #24 in FY2024 and #38 in FY2025; up 41 since Jul 2024–Jun 2025.
33	Excelerate Gas Marketing, Limited Partnership Top agencies Navy (Department of the Navy)	$2,466,200	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
34	Nextera Energy Services Gas, LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$2,422,764	0.1%	Rank history: not on the FY2021–FY2023 lists, #64 in FY2024 and #20 in FY2025; down 4 since Jul 2024–Jun 2025.
35	Tangram Chemical LLC Top agencies Navy (Department of the Navy)	$2,412,365	0.1%	Rank history: #60 in FY2021, #45 in FY2022, #50 in FY2023, #81 in FY2024 and #80 in FY2025; up 43 since Jul 2024–Jun 2025.
36	Ezekiel Bahar Top agencies Army (Department of the Army) Navy (Department of the Navy)	$2,324,151	0.1%	Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; down 18 since Jul 2024–Jun 2025.
37	Roberts Oxygen Company Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) USDA (Department of Agriculture)	$2,305,095	0.1%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2023, #36 in FY2024 and #33 in FY2025; down 1 since Jul 2024–Jun 2025.
38	Phoenix Contracting LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$2,060,840	0.1%	Rank history: not on the FY2021–FY2025 lists; up 200 since Jul 2024–Jun 2025.
39	Teledyne Flir Unmanned Ground Systems Inc Through Teledyne Flir Defense, LLC Top agencies Army (Department of the Army)	$1,945,231	0.1%	Rank history: #95 in FY2021, #32 in FY2022, not on the FY2023 list, #40 in FY2024 and #29 in FY2025; down 11 since Jul 2024–Jun 2025.
40	Linde Gas & Equipment Inc. Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$1,915,197	0.1%	Rank history: not on the FY2021–FY2023 lists, #53 in FY2024 and #74 in FY2025; up 12 since Jul 2024–Jun 2025.
41	Maryland Chemical Company, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) Treasury (Department of the Treasury)	$1,863,501	<0.1%	Rank history: not on the FY2021 list, #66 in FY2022, #75 in FY2023, #18 in FY2024 and #47 in FY2025; down 3 since Jul 2024–Jun 2025.
42	City Chemical LLC Top agencies Navy (Department of the Navy)	$1,796,363	<0.1%	Rank history: #51 in FY2021, #63 in FY2022, #60 in FY2023, #44 in FY2024 and #44 in FY2025; up 5 since Jul 2024–Jun 2025.
43	General Atomics Through General Atomics International Services Corp Top agencies USAF (Department of the Air Force)	$1,768,333	<0.1%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; up 3 since Jul 2024–Jun 2025.
44	San Luis Butane Distributors Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOI (Department of the Interior)	$1,755,830	<0.1%	Rank history: #17 in FY2021, #16 in FY2022, #13 in FY2023, #26 in FY2024 and #17 in FY2025; down 27 since Jul 2024–Jun 2025.
45	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) HHS (Department of Health and Human Services)	$1,701,921	<0.1%	Rank history: not on the FY2021 list, #51 in FY2022, #38 in FY2023, #46 in FY2024 and #57 in FY2025; up 48 since Jul 2024–Jun 2025.
46	Capitol Carbonic Corp Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$1,701,047	<0.1%	Rank history: #84 in FY2021, #60 in FY2022, not on the FY2023 list, #90 in FY2024 and #51 in FY2025; up 8 since Jul 2024–Jun 2025.
47	TC Chemicals, LLC Top agencies DLA (Defense Logistics Agency)	$1,634,884	<0.1%	Rank history: #9 in FY2021, #5 in FY2022, #12 in FY2023, #15 in FY2024 and #26 in FY2025; down 25 since Jul 2024–Jun 2025.
48	S.j. Smith Co., Inc. Top agencies Army (Department of the Army)	$1,585,000	<0.1%	Rank history: not on the FY2021–FY2023 lists, #72 in FY2024 and #66 in FY2025; up 13 since Jul 2024–Jun 2025.
49	Chemtreat, Inc. Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture) WHS (DOD Washington Headquarters Service)	$1,545,620	<0.1%	Rank history: not on the FY2021–FY2023 lists, #30 in FY2024 and #67 in FY2025; down 18 since Jul 2024–Jun 2025.
50	Tcom, L.P. Top agencies Navy (Department of the Navy)	$1,489,791	<0.1%	Rank history: not on the FY2021–FY2023 lists, #61 in FY2024 and #90 in FY2025; up 21 since Jul 2024–Jun 2025.
51	The Gas Company, LLC Top agencies Navy (Department of the Navy) DHA (Defense Health Agency)	$1,428,473	<0.1%	Rank history: not on the FY2021–FY2024 lists and #52 in FY2025; up 25 since Jul 2024–Jun 2025.
52	Aero Clean Technologies LLC Top agencies USAF (Department of the Air Force)	$1,428,430	<0.1%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2023, not on the FY2024 list and #56 in FY2025; up 17 since Jul 2024–Jun 2025.
53	Hawkins, Inc. 2 awardees, including Amerochem Corporation Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$1,417,550	<0.1%	Rank history: not on the FY2021–FY2024 lists and #58 in FY2025; up 5 since Jul 2024–Jun 2025.
54	Linde Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,417,161	<0.1%	Rank history: not on the FY2021–FY2024 lists and #70 in FY2025; up 124 since Jul 2024–Jun 2025.
55	North American Refrigerants Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,399,036	<0.1%	Rank history: #86 in FY2021, not on the FY2022–FY2023 lists, #55 in FY2024 and not on the FY2025 list; up 8 since Jul 2024–Jun 2025.
56	Xpress Natural Gas LLC Top agencies VA (Department of Veterans Affairs)	$1,392,300	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
57	Suffolk Sales and Service Corporation Top agencies Army (Department of the Army)	$1,386,664	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
58	Suffolk Solutions, Inc. Top agencies Army (Department of the Army)	$1,375,120	<0.1%	Rank history: #43 in FY2021, #30 in FY2022, not on the FY2023–FY2024 lists and #76 in FY2025; up 1 since Jul 2024–Jun 2025.
59	Coastline Ltd. Top agencies Army (Department of the Army)	$1,341,431	<0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023, #50 in FY2024 and #61 in FY2025; up 3 since Jul 2024–Jun 2025.
60	Messer North America Inc. 3 awardees, including Messer LLC, Linde Gas Espana, S.A. and Linde GMBH Top agencies DLA (Defense Logistics Agency) Treasury (Department of the Treasury) Commerce (Department of Commerce)	$1,315,477	<0.1%	Rank history: not on the FY2021–FY2024 lists and #69 in FY2025; up 91 since Jul 2024–Jun 2025.
61	Chemble Solutions, LLC Top agencies Navy (Department of the Navy) Commerce (Department of Commerce)	$1,250,434	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 36 since Jul 2024–Jun 2025.
62	Green Lantern, LLC Top agencies Army (Department of the Army) USDA (Department of Agriculture) HHS (Department of Health and Human Services)	$1,136,428	<0.1%	Rank history: #23 in FY2021, #31 in FY2022, #53 in FY2023, #51 in FY2024 and #42 in FY2025; down 22 since Jul 2024–Jun 2025.
63	Big Jet, LLC Top agencies Navy (Department of the Navy)	$1,069,510	<0.1%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; up 4 since Jul 2024–Jun 2025.
64	Goodrich Gas Inc. Top agencies Army (Department of the Army)	$1,036,258	<0.1%	Rank history: #45 in FY2021, #34 in FY2022, #44 in FY2023, #70 in FY2024 and #71 in FY2025; up 4 since Jul 2024–Jun 2025.
65	Seneca Mineral Company Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,033,502	<0.1%	Rank history: #85 in FY2021, #44 in FY2022, #58 in FY2023, #84 in FY2024 and #59 in FY2025; down 10 since Jul 2024–Jun 2025.
66	Farmers Fertilizer Co. Top agencies USDA (Department of Agriculture) Army (Department of the Army) DOI (Department of the Interior)	$1,018,884	<0.1%	Rank history: not on the FY2021–FY2023 lists, #52 in FY2024 and #100 in FY2025; up 41 since Jul 2024–Jun 2025.
67	Gasochem International, Llc. Top agencies Army (Department of the Army) Commerce (Department of Commerce) VA (Department of Veterans Affairs)	$1,003,674	<0.1%	Rank history: #100 in FY2021, not on the FY2022–FY2023 lists, #93 in FY2024 and #97 in FY2025; up 3 since Jul 2024–Jun 2025.
68	Ursource, Inc. Top agencies DLA (Defense Logistics Agency)	$990,834	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 231 since Jul 2024–Jun 2025.
69	Boardwalk Continuum Marketing, LLC Top agencies VA (Department of Veterans Affairs)	$977,176	<0.1%	Rank history: not on the FY2021–FY2023 lists, #74 in FY2024 and #55 in FY2025; new, not ranked in Jul 2024–Jun 2025.
70	3M Company Top agencies DOE (Department of Energy)	$973,780	<0.1%	Rank history: #48 in FY2021, #29 in FY2022, not on the FY2023 list, #23 in FY2024 and #9 in FY2025; down 63 since Jul 2024–Jun 2025.
71	Marianas Gas Corp Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency)	$959,761	<0.1%	Rank history: #61 in FY2021, #92 in FY2022, #63 in FY2023, #79 in FY2024 and #68 in FY2025; up 1 since Jul 2024–Jun 2025.
72	TSE Systems, Inc. Top agencies VA (Department of Veterans Affairs)	$958,996	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
73	ROY Smith Company Top agencies Army (Department of the Army)	$949,600	<0.1%	Rank history: #44 in FY2021, not on the FY2022 list, #47 in FY2023, #57 in FY2024 and #63 in FY2025; up 1 since Jul 2024–Jun 2025.
74	Inchcape Shipping Services Dubai LLC Top agencies DLA (Defense Logistics Agency)	$938,280	<0.1%	Rank history: #26 in FY2021, #39 in FY2022, #61 in FY2023, #49 in FY2024 and #60 in FY2025; down 21 since Jul 2024–Jun 2025.
75	Momar, Incorporated Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico) GSA (General Services Administration)	$926,501	<0.1%	Rank history: not on the FY2021 list, #77 in FY2022, #30 in FY2023, #41 in FY2024 and #32 in FY2025; down 48 since Jul 2024–Jun 2025.
76	Polyrheo USA Inc. Top agencies Navy (Department of the Navy)	$910,060	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
77	A.m.s. Network, LLC Top agencies DLA (Defense Logistics Agency)	$901,059	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 33 since Jul 2024–Jun 2025.
78	Island Pyrochemical Industries Corp Top agencies Army (Department of the Army) Navy (Department of the Navy)	$893,927	<0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2023, #76 in FY2024 and #99 in FY2025; up 55 since Jul 2024–Jun 2025.
79	BC Market Solutions LLC Top agencies Navy (Department of the Navy)	$887,510	<0.1%	Rank history: not on the FY2021–FY2024 lists and #87 in FY2025; up 75 since Jul 2024–Jun 2025.
80	Boulder Consulting & Products, LLC Top agencies Army (Department of the Army)	$749,580	<0.1%	Rank history: #75 in FY2021, #67 in FY2022, #95 in FY2023 and not on the FY2024–FY2025 lists; up 109 since Jul 2024–Jun 2025.
81	Dubois Chemicals Inc. Top agencies Army (Department of the Army)	$741,967	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 174 since Jul 2024–Jun 2025.
82	808 Solutions Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) VA (Department of Veterans Affairs)	$737,340	<0.1%	Rank history: not on the FY2021–FY2024 lists and #92 in FY2025; up 41 since Jul 2024–Jun 2025.
83	Phoenix V LLC Top agencies Army (Department of the Army)	$730,266	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 149 since Jul 2024–Jun 2025.
84	Medical Equipment & Supplies of America LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$717,988	<0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #68 in FY2023, #77 in FY2024 and #54 in FY2025; down 27 since Jul 2024–Jun 2025.
85	Nexair LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) EPA (Environmental Protection Agency)	$699,339	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 16 since Jul 2024–Jun 2025.
86	Daiichi Bussan Co., Ltd. Top agencies USAF (Department of the Air Force)	$692,130	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 55 since Jul 2024–Jun 2025.
87	BSE Performance, LLC Top agencies Army (Department of the Army) DOI (Department of the Interior) HHS (Department of Health and Human Services)	$662,670	<0.1%	Rank history: #94 in FY2021, #70 in FY2022, not on the FY2023 list, #100 in FY2024 and not on the FY2025 list; up 177 since Jul 2024–Jun 2025.
88	Merrimac Petroleum, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOI (Department of the Interior)	$661,763	<0.1%	Rank history: #32 in FY2021, #37 in FY2022, #24 in FY2023, #59 in FY2024 and not on the FY2025 list; up 6 since Jul 2024–Jun 2025.
89	Electroplating Consultants International Inc. Top agencies USAF (Department of the Air Force)	$634,262	<0.1%	Rank history: not on the FY2021 list, #87 in FY2022, not on the FY2023 list, #67 in FY2024 and not on the FY2025 list; down 5 since Jul 2024–Jun 2025.
90	M.v. Maschinen-Vertriebsgesellschaft MBH Top agencies USAF (Department of the Air Force)	$632,023	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
91	Itrap Technologies, Inc. Top agencies USDA (Department of Agriculture)	$622,500	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 277 since Jul 2024–Jun 2025.
92	Steward Advanced Materials LLC Top agencies Navy (Department of the Navy)	$612,850	<0.1%	Rank history: #77 in FY2021, #59 in FY2022, not on the FY2023–FY2024 lists and #78 in FY2025; up 75 since Jul 2024–Jun 2025.
93	Hybrid Aero LLC Top agencies USAF (Department of the Air Force)	$609,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023, not on the FY2024 list and #94 in FY2025; up 21 since Jul 2024–Jun 2025.
94	Chem-Trade International Inc. Top agencies Navy (Department of the Navy)	$600,100	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 124 since Jul 2024–Jun 2025.
95	Condy Holdings LLC Through Carus LLC Top agencies Army (Department of the Army)	$595,508	<0.1%	Rank history: #55 in FY2021, #54 in FY2022, not on the FY2023 list, #56 in FY2024 and #88 in FY2025; up 18 since Jul 2024–Jun 2025.
96	Phoenix Environmental Design, Inc. Top agencies VA (Department of Veterans Affairs) USDA (Department of Agriculture)	$588,504	<0.1%	Rank history: not on the FY2021 list, #79 in FY2022 and not on the FY2023–FY2025 lists; up 30 since Jul 2024–Jun 2025.
97	Authentix, Inc. Top agencies Treasury (Department of the Treasury)	$585,992	<0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #54 in FY2023, #34 in FY2024 and #53 in FY2025; down 48 since Jul 2024–Jun 2025.
98	GC3 Specialty Chemicals Inc. Top agencies Army (Department of the Army)	$585,978	<0.1%	Rank history: #62 in FY2021, #78 in FY2022 and not on the FY2023–FY2025 lists; up 4 since Jul 2024–Jun 2025.
99	Coastal Energy, Inc. Top agencies USAF (Department of the Air Force)	$574,918	<0.1%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; down 24 since Jul 2024–Jun 2025.
100	Central Mcgowan Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$557,561	<0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2023 and not on the FY2024–FY2025 lists; up 94 since Jul 2024–Jun 2025.

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100 of 750 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC 68

Code	Net obligations	Largest contractor
6850 Miscellaneous Chemical Specialties	$3,034,195,776	American Centrifuge Operating, LLC
6830 Gases: Compressed and Liquefied	$250,318,832	Hudson Technologies Company
6810 Chemicals	$165,569,953	Sicpa Securink Corp.
6835 Medical Gases	$15,988,373	RAS Enterprises LLC
6840 Pest Control Agents and Disinfectants	$9,599,536	Scentry Biologicals, 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 $3.77 billion 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 68 contractors in Jul 2025–Jun 2026?

1. American Centrifuge Operating, LLC ($900M), 2. Orano Federal Services LLC ($900M), 3. General Matter, Inc. ($900M), 4. Perimeter Solutions LP ($235M), 5. The Boeing Company ($154M), 6. Arctic Slope Regional Corporation ($76.7M), 7. Hudson Technologies Company ($48.6M), 8. Sicpa Securink Corp. ($41.1M), 9. Crane Co. ($32.9M), 10. Rgas LLC ($29.5M).

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