Top 100 Contractors in PSC 4220: Marine Lifesaving and Diving Equipment, Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC 4220: Marine Lifesaving and Diving Equipment, 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 100% of PSC 4220 contract dollars from July 2025 through June 2026

Contract obligations: $9,629,251,057 Net of deobligations, by contracts coded PSC 4220
Contractors: 142 Parent companies with an obligation
Largest contractor: Atlantic Diving Supply, Inc. $6.22 billion, 64.6% 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	Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) DOJ (Department of Justice)	$6,219,928,411	64.6%	Rank history: #6 in FY2021, #13 in FY2022, not on the FY2023 list, #1 in FY2024 and #1 in FY2025; unchanged since Jul 2024–Jun 2025.
2	W S Darley & Co Top agencies DLA (Defense Logistics Agency) DOJ (Department of Justice)	$2,295,643,531	23.8%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since Jul 2024–Jun 2025.
3	Supplycore LLC Top agencies DLA (Defense Logistics Agency)	$589,397,044	6.1%	Rank history: #5 in FY2021, #5 in FY2022, #4 in FY2023, #4 in FY2024 and #4 in FY2025; up 1 since Jul 2024–Jun 2025.
4	Noble Supply & Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$467,756,727	4.9%	Rank history: #4 in FY2021, #3 in FY2022, #3 in FY2023, #3 in FY2024 and #3 in FY2025; down 1 since Jul 2024–Jun 2025.
5	Phillystran Inc Through RFD Beaufort Inc. Top agencies Navy (Department of the Navy)	$15,113,666	0.2%	Rank history: not on the FY2021–FY2023 lists, #11 in FY2024 and #11 in FY2025; up 7 since Jul 2024–Jun 2025.
6	Mustang Survival Mfg, Inc. 2 awardees Top agencies Army (Department of the Army) DHS (Department of Homeland Security) GSA (General Services Administration)	$7,659,298	0.1%	Rank history: not on the FY2021 list, #39 in FY2022, #15 in FY2023, #12 in FY2024 and #5 in FY2025; down 1 since Jul 2024–Jun 2025.
7	ILC Astrospace LLC Top agencies Navy (Department of the Navy)	$3,137,584	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
8	Patten Co., Inc. Top agencies DLA (Defense Logistics Agency)	$2,824,417	<0.1%	Rank history: not on the FY2021–FY2024 lists and #6 in FY2025; down 1 since Jul 2024–Jun 2025.
9	Switlik Parachute Company, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$2,685,938	<0.1%	Rank history: #13 in FY2021, #9 in FY2022, #9 in FY2023, #8 in FY2024 and #8 in FY2025; down 1 since Jul 2024–Jun 2025.
10	Leland Limited Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,328,204	<0.1%	Rank history: #31 in FY2021, #16 in FY2022, #20 in FY2023, #6 in FY2024 and #14 in FY2025; up 9 since Jul 2024–Jun 2025.
11	Consortium Management Group, Inc. Top agencies Navy (Department of the Navy)	$2,103,075	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
12	Inflation Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$1,924,262	<0.1%	Rank history: #21 in FY2021, #21 in FY2022, #10 in FY2023, #25 in FY2024 and #17 in FY2025; up 26 since Jul 2024–Jun 2025.
13	Ocenco Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$1,460,501	<0.1%	Rank history: #19 in FY2021, #31 in FY2022, #13 in FY2023, #23 in FY2024 and #10 in FY2025; down 3 since Jul 2024–Jun 2025.
14	SAFRAN Through Air Cruisers Company, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$1,297,293	<0.1%	Rank history: #11 in FY2021, #11 in FY2022, #16 in FY2023, #7 in FY2024 and #7 in FY2025; down 8 since Jul 2024–Jun 2025.
15	BAE Systems Land & Armaments L.P. Top agencies DLA (Defense Logistics Agency)	$1,187,947	<0.1%	Rank history: #26 in FY2021, #85 in FY2022, not on the FY2023 list, #18 in FY2024 and #9 in FY2025; down 6 since Jul 2024–Jun 2025.
16	Patriot3, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,131,541	<0.1%	Rank history: not on the FY2021 list, #12 in FY2022, #14 in FY2023, #10 in FY2024 and #19 in FY2025; down 2 since Jul 2024–Jun 2025.
17	Viking Life-Saving Equipment (America), Inc. Top agencies Navy (Department of the Navy)	$1,054,120	<0.1%	Rank history: not on the FY2021–FY2023 lists, #15 in FY2024 and #16 in FY2025; down 1 since Jul 2024–Jun 2025.
18	Submerged Direct LLC Top agencies Navy (Department of the Navy)	$964,091	<0.1%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023, #38 in FY2024 and #34 in FY2025; up 7 since Jul 2024–Jun 2025.
19	Airborne Supply Inc. Top agencies DLA (Defense Logistics Agency)	$946,938	<0.1%	Rank history: not on the FY2021–FY2023 lists, #50 in FY2024 and #31 in FY2025; up 61 since Jul 2024–Jun 2025.
20	Capewell Aerial Systems LLC Through Aerial Machine & Tool Corporation Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$787,835	<0.1%	Rank history: #22 in FY2021, #30 in FY2022, #42 in FY2023, #29 in FY2024 and #20 in FY2025; up 3 since Jul 2024–Jun 2025.
21	Red Orange North America Inc. Top agencies USAF (Department of the Air Force)	$720,835	<0.1%	Rank history: not on the FY2021–FY2024 lists and #18 in FY2025; new, not ranked in Jul 2024–Jun 2025.
22	Defense Venture Holdings, LLC Top agencies DLA (Defense Logistics Agency)	$690,371	<0.1%	Rank history: #30 in FY2021, #27 in FY2022, #19 in FY2023, #16 in FY2024 and #15 in FY2025; down 5 since Jul 2024–Jun 2025.
23	Lotususa, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$528,578	<0.1%	Rank history: not on the FY2021–FY2024 lists and #73 in FY2025; new, not ranked in Jul 2024–Jun 2025.
24	Safety & Security International, Inc. Top agencies DLA (Defense Logistics Agency)	$515,704	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
25	Sovax Corp Top agencies Navy (Department of the Navy)	$464,828	<0.1%	Rank history: #18 in FY2021, #18 in FY2022, #23 in FY2023, #28 in FY2024 and #46 in FY2025; up 1 since Jul 2024–Jun 2025.
26	Firstspear, LLC Top agencies Navy (Department of the Navy)	$440,333	<0.1%	Rank history: #14 in FY2021, #26 in FY2022, #26 in FY2023, #26 in FY2024 and #22 in FY2025; up 9 since Jul 2024–Jun 2025.
27	Extreme Exposure, Inc. Top agencies Navy (Department of the Navy)	$350,990	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
28	Gentex Corporation Top agencies DLA (Defense Logistics Agency)	$325,735	<0.1%	Rank history: #15 in FY2021, #14 in FY2022, #63 in FY2023, #14 in FY2024 and #13 in FY2025; down 17 since Jul 2024–Jun 2025.
29	MJL Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$321,196	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
30	Sahar Group, LLC Top agencies DHS (Department of Homeland Security)	$300,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2023, #34 in FY2024 and #29 in FY2025; new, not ranked in Jul 2024–Jun 2025.
31	Triton Systems, Inc. Top agencies Navy (Department of the Navy)	$299,982	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
32	American Pacific Plastic Fabricators, Inc. Top agencies DLA (Defense Logistics Agency)	$269,259	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
33	D3 Diving LLC Top agencies Navy (Department of the Navy)	$264,290	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 73 since Jul 2024–Jun 2025.
34	Harry Miller Co LLC Top agencies DLA (Defense Logistics Agency)	$258,581	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
35	Shark Marine Technologies Inc. Top agencies Navy (Department of the Navy)	$252,314	<0.1%	Rank history: not on the FY2021 list, #50 in FY2022, #24 in FY2023, #41 in FY2024 and #38 in FY2025; new, not ranked in Jul 2024–Jun 2025.
36	Lifesaving Systems LLC Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$251,877	<0.1%	Rank history: #43 in FY2021, #36 in FY2022, #27 in FY2023, #32 in FY2024 and #25 in FY2025; down 8 since Jul 2024–Jun 2025.
37	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$249,300	<0.1%	Rank history: #20 in FY2021, #57 in FY2022, #65 in FY2023, not on the FY2024 list and #32 in FY2025; up 29 since Jul 2024–Jun 2025.
38	ADI Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$234,759	<0.1%	Rank history: #16 in FY2021, #17 in FY2022, #11 in FY2023, #59 in FY2024 and not on the FY2025 list; up 7 since Jul 2024–Jun 2025.
39	Federal Resources Supply Company, LLC Top agencies Navy (Department of the Navy)	$168,292	<0.1%	Rank history: #3 in FY2021, #6 in FY2022, not on the FY2023–FY2024 lists and #24 in FY2025; down 15 since Jul 2024–Jun 2025.
40	Henderson Aquatics Inc. Top agencies DLA (Defense Logistics Agency)	$165,799	<0.1%	Rank history: not on the FY2021–FY2023 lists, #51 in FY2024 and #45 in FY2025; up 8 since Jul 2024–Jun 2025.
41	Mark G. Miller, Inc. Top agencies DLA (Defense Logistics Agency)	$150,810	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
42	Atlas Devices LLC Top agencies Army (Department of the Army)	$148,024	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
43	Dts-P&L JV Through Darbonnier Tactical Supply LLC Top agencies DLA (Defense Logistics Agency)	$139,619	<0.1%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; up 96 since Jul 2024–Jun 2025.
44	American Diving Supply LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$139,342	<0.1%	Rank history: #48 in FY2021, #45 in FY2022, #25 in FY2023, #30 in FY2024 and #28 in FY2025; down 14 since Jul 2024–Jun 2025.
45	Tiax LLC Top agencies DLA (Defense Logistics Agency)	$130,875	<0.1%	Rank history: not on the FY2021–FY2023 lists, #47 in FY2024 and #23 in FY2025; down 25 since Jul 2024–Jun 2025.
46	House of Scuba, Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$123,521	<0.1%	Rank history: #58 in FY2021, #25 in FY2022, not on the FY2023 list, #56 in FY2024 and #42 in FY2025; down 3 since Jul 2024–Jun 2025.
47	Govparts LLC Top agencies DLA (Defense Logistics Agency)	$120,106	<0.1%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; up 39 since Jul 2024–Jun 2025.
48	Aerostar International, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$110,871	<0.1%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; up 41 since Jul 2024–Jun 2025.
49	Amron International Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$108,641	<0.1%	Rank history: #36 in FY2021, #41 in FY2022, #38 in FY2023, #37 in FY2024 and #39 in FY2025; down 17 since Jul 2024–Jun 2025.
50	Waygate Technologies USA LP Top agencies Navy (Department of the Navy)	$77,430	<0.1%	Rank history: #50 in FY2021, not on the FY2022–FY2024 lists and #50 in FY2025; new, not ranked in Jul 2024–Jun 2025.
51	Dick Medical Supply Inc. Top agencies DLA (Defense Logistics Agency)	$77,100	<0.1%	Rank history: not on the FY2021–FY2024 lists and #52 in FY2025; new, not ranked in Jul 2024–Jun 2025.
52	The Entwistle Company LLC Top agencies DLA (Defense Logistics Agency)	$75,520	<0.1%	Rank history: not on the FY2021–FY2024 lists and #53 in FY2025; up 19 since Jul 2024–Jun 2025.
53	S&G Trading, Limited Liability Company Top agencies DLA (Defense Logistics Agency)	$75,433	<0.1%	Rank history: not on the FY2021–FY2024 lists and #54 in FY2025; new, not ranked in Jul 2024–Jun 2025.
54	S I T Corporation Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$74,420	<0.1%	Rank history: #81 in FY2021, #72 in FY2022, not on the FY2023–FY2024 lists and #33 in FY2025; down 17 since Jul 2024–Jun 2025.
55	Dive Lab, Inc. Top agencies Army (Department of the Army) EPA (Environmental Protection Agency)	$73,743	<0.1%	Rank history: #60 in FY2021, not on the FY2022–FY2023 lists, #49 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
56	Control Factors-Seattle, Inc. Top agencies Navy (Department of the Navy)	$69,200	<0.1%	Rank history: not on the FY2021–FY2024 lists and #55 in FY2025; new, not ranked in Jul 2024–Jun 2025.
57	American Truck & Bus, Inc. Top agencies DOJ (Department of Justice)	$64,425	<0.1%	Rank history: not on the FY2021–FY2024 lists and #58 in FY2025; new, not ranked in Jul 2024–Jun 2025.
58	Dive World LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$61,647	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
59	United Sar, Inc. Top agencies DLA (Defense Logistics Agency)	$58,627	<0.1%	Rank history: #49 in FY2021, #46 in FY2022, #53 in FY2023, #40 in FY2024 and #66 in FY2025; down 15 since Jul 2024–Jun 2025.
60	Tinosa, Inc. Top agencies Navy (Department of the Navy)	$58,371	<0.1%	Rank history: #37 in FY2021, #32 in FY2022, #17 in FY2023, #27 in FY2024 and #36 in FY2025; down 31 since Jul 2024–Jun 2025.
61	Chase Supply, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$55,198	<0.1%	Rank history: not on the FY2021 list, #15 in FY2022, #36 in FY2023, not on the FY2024 list and #51 in FY2025; new, not ranked in Jul 2024–Jun 2025.
62	Samstar LLC Top agencies Navy (Department of the Navy)	$52,785	<0.1%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; new, not ranked in Jul 2024–Jun 2025.
63	Bighorn Solutions LLC Top agencies DLA (Defense Logistics Agency)	$52,764	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
64	Diving Unlimited International Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$50,138	<0.1%	Rank history: #75 in FY2021, not on the FY2022 list, #64 in FY2023, #86 in FY2024 and #57 in FY2025; up 5 since Jul 2024–Jun 2025.
65	Vastglobe Logistics LLC Top agencies Army (Department of the Army)	$44,058	<0.1%	Rank history: not on the FY2021–FY2024 lists and #68 in FY2025; new, not ranked in Jul 2024–Jun 2025.
66	Eaglepro Enterprises Inc. Top agencies USAF (Department of the Air Force)	$43,032	<0.1%	Rank history: not on the FY2021–FY2024 lists and #71 in FY2025; new, not ranked in Jul 2024–Jun 2025.
67	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency)	$41,812	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
68	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$39,955	<0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023, #69 in FY2024 and #62 in FY2025; down 10 since Jul 2024–Jun 2025.
69	Specialty Products & Services, Inc. Top agencies DLA (Defense Logistics Agency)	$36,246	<0.1%	Rank history: not on the FY2021–FY2024 lists and #75 in FY2025; up 65 since Jul 2024–Jun 2025.
70	VC Displays, Inc. Top agencies DLA (Defense Logistics Agency)	$36,098	<0.1%	Rank history: not on the FY2021–FY2024 lists and #79 in FY2025; new, not ranked in Jul 2024–Jun 2025.
71	Weckworth Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$32,915	<0.1%	Rank history: #55 in FY2021, #22 in FY2022, #22 in FY2023, not on the FY2024 list and #27 in FY2025; down 44 since Jul 2024–Jun 2025.
72	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$32,333	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
73	Mig Gov, LLC Top agencies USAF (Department of the Air Force)	$31,749	<0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #21 in FY2023, #33 in FY2024 and not on the FY2025 list; down 19 since Jul 2024–Jun 2025.
74	Barnes Real Estate Solutions LLC Top agencies DLA (Defense Logistics Agency)	$31,443	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
75	Donatini, Inc. Top agencies DHS (Department of Homeland Security)	$30,797	<0.1%	Rank history: #53 in FY2021, #71 in FY2022, not on the FY2023 list, #42 in FY2024 and #80 in FY2025; down 22 since Jul 2024–Jun 2025.
76	MMC Metrology Lab, Inc. Top agencies Navy (Department of the Navy)	$30,700	<0.1%	Rank history: not on the FY2021 list, #69 in FY2022 and not on the FY2023–FY2025 lists; up 49 since Jul 2024–Jun 2025.
77	Phoenix Trading & Contracting LLC Top agencies USAF (Department of the Air Force)	$30,598	<0.1%	Rank history: not on the FY2021–FY2024 lists and #81 in FY2025; new, not ranked in Jul 2024–Jun 2025.
78	Life Support International Inc. Top agencies Army (Department of the Army)	$30,090	<0.1%	Rank history: #52 in FY2021, #78 in FY2022, not on the FY2023 list, #57 in FY2024 and #12 in FY2025; down 65 since Jul 2024–Jun 2025.
79	Airborne Outfitters LLC Top agencies DLA (Defense Logistics Agency)	$29,441	<0.1%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; new, not ranked in Jul 2024–Jun 2025.
80	Mesa International Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$28,875	<0.1%	Rank history: not on the FY2021 list, #66 in FY2022, not on the FY2023 list, #45 in FY2024 and #85 in FY2025; up 70 since Jul 2024–Jun 2025.
81	Logistico LLC Top agencies DLA (Defense Logistics Agency)	$23,920	<0.1%	Rank history: not on the FY2021–FY2023 lists, #74 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
82	Interspiro Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$22,763	<0.1%	Rank history: not on the FY2021–FY2023 lists, #89 in FY2024 and #70 in FY2025; down 26 since Jul 2024–Jun 2025.
83	Equipment Solutions & Personnel, L.L.C. Top agencies DLA (Defense Logistics Agency)	$22,537	<0.1%	Rank history: not on the FY2021 list, #33 in FY2022, #41 in FY2023, not on the FY2024 list and #56 in FY2025; down 28 since Jul 2024–Jun 2025.
84	Scubadelphia, LLC Top agencies DLA (Defense Logistics Agency)	$21,788	<0.1%	Rank history: #79 in FY2021, #58 in FY2022, #58 in FY2023, #63 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
85	Advance Safety Equipment Co. Top agencies DLA (Defense Logistics Agency)	$20,105	<0.1%	Rank history: #57 in FY2021, #34 in FY2022, #12 in FY2023, #19 in FY2024 and #21 in FY2025; down 67 since Jul 2024–Jun 2025.
86	Jlogistics LLC Top agencies USAF (Department of the Air Force)	$19,704	<0.1%	Rank history: not on the FY2021–FY2024 lists and #98 in FY2025; new, not ranked in Jul 2024–Jun 2025.
87	Bauer Compressors Inc. Top agencies Navy (Department of the Navy)	$18,918	<0.1%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; up 3 since Jul 2024–Jun 2025.
88	Utah Whitewater Gear LLC Top agencies DOI (Department of the Interior)	$18,528	<0.1%	Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; new, not ranked in Jul 2024–Jun 2025.
89	Apexx Sales Inc. Top agencies Army (Department of the Army)	$16,904	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
90	Tandemloc Inc. Top agencies Navy (Department of the Navy)	$16,121	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
91	Seva Technical Services Inc. Top agencies DHS (Department of Homeland Security)	$15,561	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
92	Basic Rubber and Plastics Co. Top agencies DLA (Defense Logistics Agency)	$15,496	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 13 since Jul 2024–Jun 2025.
93	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$14,334	<0.1%	Rank history: not on the FY2021–FY2024 lists and #97 in FY2025; up 27 since Jul 2024–Jun 2025.
94	Head Usa, Inc. Top agencies Navy (Department of the Navy)	$12,740	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
95	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$12,734	<0.1%	Rank history: #85 in FY2021 and not on the FY2022–FY2025 lists; up 35 since Jul 2024–Jun 2025.
96	Abico LLC Top agencies DLA (Defense Logistics Agency)	$12,420	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
97	KLB Enterprises Corp Top agencies Navy (Department of the Navy)	$10,843	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
98	Sea Safety International, Inc. Top agencies DHS (Department of Homeland Security)	$10,000	<0.1%	Rank history: not on the FY2021–FY2024 lists and #76 in FY2025; down 28 since Jul 2024–Jun 2025.
99	Nets Depot Inc. Top agencies Navy (Department of the Navy)	$9,970	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
100	Spaires Inc Top agencies DLA (Defense Logistics Agency)	$9,839	<0.1%	Rank history: not on the FY2021–FY2023 lists, #62 in FY2024 and #72 in FY2025; down 59 since Jul 2024–Jun 2025.

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100 of 142 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 $9.63 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 4220 contractors in Jul 2025–Jun 2026?

1. Atlantic Diving Supply, Inc. ($6.22B), 2. W S Darley & Co ($2.3B), 3. Supplycore LLC ($589M), 4. Noble Supply & Logistics, LLC ($468M), 5. Phillystran Inc ($15.1M), 6. Mustang Survival Mfg, Inc. ($7.66M), 7. ILC Astrospace LLC ($3.14M), 8. Patten Co., Inc. ($2.82M), 9. Switlik Parachute Company, Inc. ($2.69M), 10. Leland Limited Inc. ($2.33M).

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