Top 100 Contractors in PSC 68: Chemicals and Chemical Products, FY2024

Name: Top 100 Contractors in PSC 68: Chemicals and Chemical Products, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 68% of FY2024 PSC 68 contract dollars

Contract obligations: $873,663,059 Net of deobligations, by contracts coded PSC 68 or a code under it
Contractors: 872 Parent companies with an obligation
Largest contractor: Perimeter Solutions LP $268 million, 28.2% 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	Perimeter Solutions LP 2 awardees Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$267,664,195	28.2%	Rank history: #3 in FY2021, #3 in FY2022, #6 in FY2023 and #1 in FY2025; up 5 since FY2023.
2	Crane Co. 2 awardees, including Crane & Co., Inc. Top agencies Treasury (Department of the Treasury)	$183,654,020	19.4%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2023 and #4 in FY2025; unchanged since FY2023.
3	Arctic Slope Regional Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$71,624,361	7.6%	Rank history: #11 in FY2021, #71 in FY2022, not on the FY2023 list and #3 in FY2025; returned.
4	Sicpa Holding SA Through Sicpa Securink Corp Top agencies Treasury (Department of the Treasury)	$24,982,835	2.6%	Rank history: #2 in FY2021, #1 in FY2022, #3 in FY2023 and not on the FY2025 list; down 1 since FY2023.
5	Hudson Technologies Company 2 awardees Top agencies DLA (Defense Logistics Agency)	$22,479,704	2.4%	Rank history: #4 in FY2021, #4 in FY2022, #4 in FY2023 and #6 in FY2025; down 1 since FY2023.
6	Sicpa Securink Corp. Top agencies Treasury (Department of the Treasury)	$17,603,008	1.9%	Rank history: not on the FY2021–FY2023 lists and #5 in FY2025; new.
7	Schuyler Line Navigation Company LLC Top agencies Navy (Department of the Navy)	$15,270,813	1.6%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2025; new.
8	Specialized Materials and Chemicals, LLC Top agencies Army (Department of the Army)	$14,475,240	1.5%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2023 and #31 in FY2025; up 2 since FY2023.
9	Drew Marine USA Inc. 2 awardees Top agencies Navy (Department of the Navy)	$14,290,878	1.5%	Rank history: #6 in FY2021, #6 in FY2022, #5 in FY2023 and #10 in FY2025; down 4 since FY2023.
10	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$12,238,689	1.3%	Rank history: #1 in FY2021, #2 in FY2022, #1 in FY2023 and not on the FY2025 list; down 9 since FY2023.
11	RAS Enterprises LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) DHA (Defense Health Agency)	$10,065,999	1.1%	Rank history: #7 in FY2021, #8 in FY2022, #11 in FY2023 and #11 in FY2025; unchanged since FY2023.
12	Clean Harbors Inc. Through Clean Harbors Environmental Services Inc. Top agencies Navy (Department of the Navy)	$8,517,960	0.9%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
13	Airgas USA LLC 14 awardees, including Airgas Inc. Top agencies DLA (Defense Logistics Agency) DHA (Defense Health Agency) Commerce (Department of Commerce)	$8,287,919	0.9%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2023 and #12 in FY2025; down 5 since FY2023.
14	Tiger Natural Gas Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) VA (Department of Veterans Affairs)	$8,281,000	0.9%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2025; new.
15	TC Chemicals, LLC Top agencies DLA (Defense Logistics Agency)	$6,709,891	0.7%	Rank history: #9 in FY2021, #5 in FY2022, #12 in FY2023 and #26 in FY2025; down 3 since FY2023.
16	RCG of North Carolina, LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce) DHA (Defense Health Agency)	$6,312,137	0.7%	Rank history: #58 in FY2021, #22 in FY2022, #16 in FY2023 and #14 in FY2025; unchanged since FY2023.
17	Johnson Controls Industries Through Tyco Fire Products LP Top agencies Navy (Department of the Navy)	$4,869,600	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
18	Maryland Chemical Company, Inc. Top agencies Navy (Department of the Navy) Treasury (Department of the Treasury) Army (Department of the Army)	$4,770,977	0.5%	Rank history: not on the FY2021 list, #66 in FY2022, #75 in FY2023 and #47 in FY2025; up 57 since FY2023.
19	NRG Business Marketing LLC Top agencies DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration) DOJ (Department of Justice)	$4,032,164	0.4%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2025; up 105 since FY2023.
20	Honeywell International Inc. Top agencies DLA (Defense Logistics Agency)	$3,854,163	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
21	Centrica PLC Through NRG Business Marketing LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOJ (Department of Justice)	$3,260,172	0.3%	Rank history: #31 in FY2021, not on the FY2022 list, #28 in FY2023 and not on the FY2025 list; up 7 since FY2023.
22	Dome Chartering & Trading Corp. Through Schuyler Line Navigation Company LLC Top agencies Navy (Department of the Navy)	$3,097,045	0.3%	Rank history: not on the FY2021 list, #27 in FY2022, #9 in FY2023 and not on the FY2025 list; down 13 since FY2023.
23	3M Company 2 awardees Top agencies DOE (Department of Energy)	$2,989,698	0.3%	Rank history: #48 in FY2021, #29 in FY2022, not on the FY2023 list and #9 in FY2025; up 110 since FY2023.
24	Scentry Biologicals, Inc. Top agencies USDA (Department of Agriculture)	$2,780,695	0.3%	Rank history: #20 in FY2021, #18 in FY2022, #27 in FY2023 and #38 in FY2025; up 3 since FY2023.
25	Paula F Price Enterprises LLC 2 awardees Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$2,665,565	0.3%	Rank history: not on the FY2021 list, #10 in FY2022, #21 in FY2023 and #22 in FY2025; down 4 since FY2023.
26	San Luis Butane Distributors Top agencies Army (Department of the Army) DOI (Department of the Interior) USAF (Department of the Air Force)	$2,634,171	0.3%	Rank history: #17 in FY2021, #16 in FY2022, #13 in FY2023 and #17 in FY2025; down 13 since FY2023.
27	Kuehne Chemical Company, Inc. Top agencies Army (Department of the Army)	$2,520,300	0.3%	Rank history: #18 in FY2021, #21 in FY2022, #35 in FY2023 and #35 in FY2025; up 8 since FY2023.
28	Mitsubishi Chemical Holdings Corporation 3 awardees, including Nippon Sanso Matheson, Inc., Nippon Sanso Deutschland GMBH and Matheson Tri-Gas, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USDA (Department of Agriculture)	$2,501,680	0.3%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023 and #39 in FY2025; up 48 since FY2023.
29	Air Products and Chemicals, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$2,495,642	0.3%	Rank history: #30 in FY2021, #20 in FY2022, #20 in FY2023 and #25 in FY2025; down 9 since FY2023.
30	Chemtreat, Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$2,431,436	0.3%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2025; new.
31	Texas Ohio Energy Inc. Through High Desert Pipeline, Inc. Top agencies Army (Department of the Army)	$2,428,467	0.3%	Rank history: not on the FY2021 list, #68 in FY2022, #26 in FY2023 and not on the FY2025 list; down 5 since FY2023.
32	Defense Energy Syndicate, LLC Top agencies DLA (Defense Logistics Agency)	$2,401,298	0.3%	Rank history: #12 in FY2021, #38 in FY2022, #62 in FY2023 and #18 in FY2025; up 30 since FY2023.
33	Centerpoint Energy Services Inc. Through Nextera Energy Services Gas, LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$2,357,827	0.2%	Rank history: #21 in FY2021, #11 in FY2022, #34 in FY2023 and not on the FY2025 list; up 1 since FY2023.
34	Authentix, Inc. Top agencies Treasury (Department of the Treasury)	$2,148,130	0.2%	Rank history: not on the FY2021 list, #98 in FY2022, #54 in FY2023 and #53 in FY2025; up 20 since FY2023.
35	Amerochem Corporation Top agencies Navy (Department of the Navy)	$2,137,043	0.2%	Rank history: #36 in FY2021, #35 in FY2022, #37 in FY2023 and #64 in FY2025; up 2 since FY2023.
36	Roberts Oxygen Company Inc. Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$2,130,657	0.2%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2023 and #33 in FY2025; up 13 since FY2023.
37	Ecolab Inc. 2 awardees, including Nalco Company LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) SSA (Social Security Administration)	$2,111,837	0.2%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2025; up 102 since FY2023.
38	Shilog, Ltd Top agencies Army (Department of the Army) IBWC (International Boundary and Water Commission U.S.-Mexico)	$2,104,479	0.2%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023 and #81 in FY2025; up 26 since FY2023.
39	Flir Systems Inc. Through Teledyne Flir Defense, LLC Top agencies Army (Department of the Army)	$2,077,010	0.2%	Rank history: #28 in FY2021, #73 in FY2022, #19 in FY2023 and not on the FY2025 list; down 20 since FY2023.
40	Teledyne Technologies Incorporated Through Teledyne Flir Defense, LLC Top agencies Army (Department of the Army)	$2,063,846	0.2%	Rank history: #95 in FY2021, #32 in FY2022, not on the FY2023 list and #29 in FY2025; returned.
41	Momar, Incorporated Top agencies GSA (General Services Administration) IBWC (International Boundary and Water Commission U.S.-Mexico)	$1,766,575	0.2%	Rank history: not on the FY2021 list, #77 in FY2022, #30 in FY2023 and #32 in FY2025; down 11 since FY2023.
42	WGL Energy Services Inc. Top agencies DHS (Department of Homeland Security)	$1,729,850	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
43	Farstad Oil Inc. Through Parkland USA Corporation Top agencies DOI (Department of the Interior)	$1,656,727	0.2%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2025; new.
44	City Chemical LLC Top agencies Navy (Department of the Navy)	$1,629,928	0.2%	Rank history: #51 in FY2021, #63 in FY2022, #60 in FY2023 and #44 in FY2025; up 16 since FY2023.
45	Morning Star Industries Inc. Top agencies Treasury (Department of the Treasury) GSA (General Services Administration) DOI (Department of the Interior)	$1,579,422	0.2%	Rank history: #67 in FY2021, #88 in FY2022, #91 in FY2023 and #27 in FY2025; up 46 since FY2023.
46	Amerigas Propane L.P. 2 awardees, including UGI Utilities Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army) DOJ (Department of Justice)	$1,574,109	0.2%	Rank history: not on the FY2021 list, #51 in FY2022, #38 in FY2023 and #57 in FY2025; down 8 since FY2023.
47	Praxair Distribution Inc. 9 awardees, including Linde Gas & Equipment Inc., Linde Gas Espana, S.A. and Linde Inc. Top agencies DHA (Defense Health Agency) DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$1,568,716	0.2%	Rank history: #22 in FY2021, #43 in FY2022, #23 in FY2023 and not on the FY2025 list; down 24 since FY2023.
48	Spectral Platforms Inc. Top agencies HHS (Department of Health and Human Services)	$1,485,010	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
49	Inchcape Shipping Services Dubai LLC Top agencies DLA (Defense Logistics Agency)	$1,359,438	0.1%	Rank history: #26 in FY2021, #39 in FY2022, #61 in FY2023 and #60 in FY2025; up 12 since FY2023.
50	Coastline Ltd. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Smithsonian (Smithsonian Institution)	$1,303,631	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and #61 in FY2025; up 6 since FY2023.
51	Green Lantern, LLC Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) DOI (Department of the Interior)	$1,239,126	0.1%	Rank history: #23 in FY2021, #31 in FY2022, #53 in FY2023 and #42 in FY2025; up 2 since FY2023.
52	Farmers Fertilizer Co. Top agencies USDA (Department of Agriculture) Army (Department of the Army) USAF (Department of the Air Force)	$1,145,383	0.1%	Rank history: not on the FY2021–FY2023 lists and #100 in FY2025; up 59 since FY2023.
53	Linde Gas & Equipment Inc. Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$1,136,242	0.1%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2025; new.
54	National Foam Inc. Top agencies Navy (Department of the Navy)	$1,132,622	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
55	North American Refrigerants Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,123,953	0.1%	Rank history: #86 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; up 62 since FY2023.
56	Carus LLC Top agencies Army (Department of the Army)	$1,119,330	0.1%	Rank history: #55 in FY2021, #54 in FY2022, not on the FY2023 list and #88 in FY2025; up 74 since FY2023.
57	ROY Smith Company Top agencies Army (Department of the Army)	$1,112,512	0.1%	Rank history: #44 in FY2021, not on the FY2022 list, #47 in FY2023 and #63 in FY2025; down 10 since FY2023.
58	DPA Investments Inc. Through Usalco, LLC Top agencies Army (Department of the Army)	$1,064,263	0.1%	Rank history: #27 in FY2021, #19 in FY2022, #32 in FY2023 and not on the FY2025 list; down 26 since FY2023.
59	Merrimac Petroleum, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) Army (Department of the Army)	$1,045,218	0.1%	Rank history: #32 in FY2021, #37 in FY2022, #24 in FY2023 and not on the FY2025 list; down 35 since FY2023.
60	Usalco, LLC Top agencies Army (Department of the Army)	$1,019,371	0.1%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2025; new.
61	Tcom, L.P. Top agencies Navy (Department of the Navy)	$1,014,802	0.1%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2025; new.
62	Covetrus Inc. Through Covetrus North America, LLC Top agencies USDA (Department of Agriculture)	$1,012,310	0.1%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and not on the FY2025 list; up 24 since FY2023.
63	Resintech Inc. Top agencies Navy (Department of the Navy)	$987,811	0.1%	Rank history: #33 in FY2021, #49 in FY2022, #36 in FY2023 and #75 in FY2025; down 27 since FY2023.
64	Nextera Energy Services Gas, LLC Top agencies Army (Department of the Army)	$970,748	0.1%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
65	Strategic Consulting Alliances, LLC Top agencies Army (Department of the Army)	$937,658	0.1%	Rank history: #89 in FY2021, not on the FY2022 list, #85 in FY2023 and #96 in FY2025; up 20 since FY2023.
66	South Texas Lighthouse for the Blind Foundation Top agencies USAF (Department of the Air Force)	$919,830	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 37 since FY2023.
67	Electroplating Consultants International Inc. Top agencies USAF (Department of the Air Force)	$902,571	0.1%	Rank history: not on the FY2021 list, #87 in FY2022, not on the FY2023 list and not on the FY2025 list; up 75 since FY2023.
68	Linde LLC 2 awardees, including Messer LLC and Messer Gas Puerto Rico Inc. Top agencies DMEA (Defense Microelectronics Activity) VA (Department of Veterans Affairs) DLA (Defense Logistics Agency)	$891,884	0.1%	Rank history: #39 in FY2021, #25 in FY2022, #42 in FY2023 and not on the FY2025 list; down 26 since FY2023.
69	General Atomic Technologies Corporation Through General Atomics International Services Corp Top agencies USAF (Department of the Air Force)	$882,947	0.1%	Rank history: #24 in FY2021, #55 in FY2022, not on the FY2023 list and not on the FY2025 list; up 47 since FY2023.
70	Goodrich Gas Inc. Top agencies Army (Department of the Army)	$852,836	0.1%	Rank history: #45 in FY2021, #34 in FY2022, #44 in FY2023 and #71 in FY2025; down 26 since FY2023.
71	California Veteran Supply Inc. Top agencies Army (Department of the Army)	$820,422	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
72	S. J. Smith Co. Inc. Through S.j. Smith Co., Inc. Top agencies Army (Department of the Army)	$808,775	0.1%	Rank history: not on the FY2021–FY2023 lists and #66 in FY2025; new.
73	Sae Manufacturing Specialties Corp. Top agencies Army (Department of the Army)	$806,950	0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2025; new.
74	Boardwalk Continuum Marketing, LLC Top agencies VA (Department of Veterans Affairs)	$800,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2025; new.
75	Aurorium LLC Top agencies Navy (Department of the Navy)	$799,948	0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2025; new.
76	Island Pyrochemical Industries Corp Top agencies Army (Department of the Army)	$784,960	0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2023 and #99 in FY2025; up 5 since FY2023.
77	Medical Equipment & Supplies of America LLC Top agencies VA (Department of Veterans Affairs) Commerce (Department of Commerce)	$772,145	0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #68 in FY2023 and #54 in FY2025; down 9 since FY2023.
78	Metalcraft, Inc. Top agencies DLA (Defense Logistics Agency)	$759,964	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 66 since FY2023.
79	Marianas Gas Corp Top agencies DLA (Defense Logistics Agency)	$752,641	0.1%	Rank history: #61 in FY2021, #92 in FY2022, #63 in FY2023 and #68 in FY2025; down 16 since FY2023.
80	Stripes Global, Inc. Top agencies VA (Department of Veterans Affairs)	$728,984	0.1%	Rank history: not on the FY2021 list, #81 in FY2022, not on the FY2023 list and #83 in FY2025; up 29 since FY2023.
81	Tangram Chemical LLC Top agencies Navy (Department of the Navy)	$720,343	0.1%	Rank history: #60 in FY2021, #45 in FY2022, #50 in FY2023 and #80 in FY2025; down 31 since FY2023.
82	Mcgean-Rohco, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$711,732	0.1%	Rank history: not on the FY2021–FY2023 lists and #79 in FY2025; new.
83	Valkyrie Enterprises, LLC Through Ship 2 Shore USA Inc. Top agencies Navy (Department of the Navy)	$705,765	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	Seneca Mineral Company Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$702,408	0.1%	Rank history: #85 in FY2021, #44 in FY2022, #58 in FY2023 and #59 in FY2025; down 26 since FY2023.
85	Bingham AG Services LLC Top agencies USDA (Department of Agriculture)	$667,205	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
86	Clearchannelvm, LLC Top agencies DOI (Department of the Interior)	$667,019	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
87	Orison Marketing LLC 2 awardees Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$658,329	0.1%	Rank history: #93 in FY2021, #62 in FY2022, #73 in FY2023 and not on the FY2025 list; down 14 since FY2023.
88	Dubois Chemicals Inc. Top agencies Army (Department of the Army)	$657,689	0.1%	Rank history: #78 in FY2021, #83 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
89	Sage Energy Trading LLC Top agencies VA (Department of Veterans Affairs)	$645,363	0.1%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2025; new.
90	Capitol Carbonic Corp Top agencies HHS (Department of Health and Human Services)	$644,801	0.1%	Rank history: #84 in FY2021, #60 in FY2022, not on the FY2023 list and #51 in FY2025; up 264 since FY2023.
91	Hill Brothers Chemical Company Top agencies DOI (Department of the Interior)	$638,138	0.1%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and not on the FY2025 list; down 3 since FY2023.
92	Nation Ford Chemical Co Top agencies Army (Department of the Army)	$625,172	0.1%	Rank history: #40 in FY2021, not on the FY2022 list, #18 in FY2023 and #24 in FY2025; down 74 since FY2023.
93	Gasochem International, Llc. Top agencies Army (Department of the Army) Commerce (Department of Commerce) USDA (Department of Agriculture)	$615,410	0.1%	Rank history: #100 in FY2021, not on the FY2022–FY2023 lists and #97 in FY2025; up 126 since FY2023.
94	The Gas Company, LLC Top agencies Navy (Department of the Navy)	$612,146	0.1%	Rank history: #56 in FY2021, #40 in FY2022, #43 in FY2023 and not on the FY2025 list; down 51 since FY2023.
95	Showa Chemical Industry Co.,Ltd. Top agencies Navy (Department of the Navy)	$606,214	0.1%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and #84 in FY2025; down 1 since FY2023.
96	MSA Safety Sales, LLC Top agencies DOL (Department of Labor) Navy (Department of the Navy)	$603,964	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
97	Innovative Federal Operations Group, Incorporated Top agencies Army (Department of the Army) Navy (Department of the Navy) DHA (Defense Health Agency)	$598,155	0.1%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2025; up 39 since FY2023.
98	Airgas Inc. 3 awardees, including Airgas Carbonic, Inc., Air Liquide Italia Service S.R.L. and Sociedade Portuguesa Do Ar Líquido Arlíquido, LDA Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$583,739	0.1%	Rank history: #5 in FY2021, #7 in FY2022, #31 in FY2023 and not on the FY2025 list; down 67 since FY2023.
99	Christopher I. Oyolokor SR. Top agencies Army (Department of the Army) DHA (Defense Health Agency) Navy (Department of the Navy)	$565,042	0.1%	Rank history: #90 in FY2021, not on the FY2022 list, #96 in FY2023 and #95 in FY2025; down 3 since FY2023.
100	BSE Performance, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOI (Department of the Interior)	$564,924	0.1%	Rank history: #94 in FY2021, #70 in FY2022, not on the FY2023 list and not on the FY2025 list; up 8 since FY2023.

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100 of 872 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC 68

Code	Net obligations	Largest contractor
6850 Miscellaneous Chemical Specialties	$374,351,986	Perimeter Solutions LP
6810 Chemicals	$340,966,079	Crane Co.
6830 Gases: Compressed and Liquefied	$131,425,298	Hudson Technologies Company
6835 Medical Gases	$13,576,570	RAS Enterprises LLC
6840 Pest Control Agents and Disinfectants	$12,378,433	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 $948 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 68 contractors in FY2024?

1. Perimeter Solutions LP ($268M), 2. Crane Co. ($184M), 3. Arctic Slope Regional Corporation ($71.6M), 4. Sicpa Holding SA ($25M), 5. Hudson Technologies Company ($22.5M), 6. Sicpa Securink Corp. ($17.6M), 7. Schuyler Line Navigation Company LLC ($15.3M), 8. Specialized Materials and Chemicals, LLC ($14.5M), 9. Drew Marine USA Inc. ($14.3M), 10. Science Applications International Corporation ($12.2M).

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