Top 100 Contractors in PSC 5331: O-Ring, FY2024

Name: Top 100 Contractors in PSC 5331: O-Ring, FY2024
Creator: GovTribe

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

The top 10 won 46% of FY2024 PSC 5331 contract dollars

Contract obligations: $24,744,850 Net of deobligations, by contracts coded PSC 5331
Contractors: 509 Parent companies with an obligation
Largest contractor: RTX Corporation $4.12 million, 15.6% 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	RTX Corporation 10 awardees, including Goodrich Corporation, Hamilton Sundstrand Corporation and Kidde Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$4,122,768	15.6%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
2	Noble Supply & Logistics, LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$2,509,103	9.5%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2023 and #3 in FY2025; up 3 since FY2023.
3	DBR Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$2,041,416	7.7%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2023 and #2 in FY2025; down 1 since FY2023.
4	Blade Industrial Products Inc. Top agencies DLA (Defense Logistics Agency)	$828,253	3.1%	Rank history: #4 in FY2021, #3 in FY2022, #4 in FY2023 and #10 in FY2025; unchanged since FY2023.
5	FBC Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$530,791	2.0%	Rank history: #24 in FY2021, #10 in FY2022, #42 in FY2023 and #38 in FY2025; up 37 since FY2023.
6	General Electric Company 4 awardees, including GE Engine Services Distribution, L.L.C. Top agencies DLA (Defense Logistics Agency)	$492,789	1.9%	Rank history: #13 in FY2021, #21 in FY2022, #14 in FY2023 and #9 in FY2025; up 8 since FY2023.
7	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$474,423	1.8%	Rank history: #49 in FY2021, #17 in FY2022, #9 in FY2023 and #16 in FY2025; up 2 since FY2023.
8	Heico Aerospace Corporat Through Seal Dynamics LLC Top agencies DLA (Defense Logistics Agency)	$424,547	1.6%	Rank history: #7 in FY2021, #6 in FY2022, #16 in FY2023 and #20 in FY2025; up 8 since FY2023.
9	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$330,048	1.2%	Rank history: #8 in FY2021, #9 in FY2022, #13 in FY2023 and #52 in FY2025; up 4 since FY2023.
10	Honeywell International Inc. 4 awardees Top agencies DLA (Defense Logistics Agency)	$304,699	1.2%	Rank history: #28 in FY2021, #49 in FY2022, #28 in FY2023 and #15 in FY2025; up 18 since FY2023.
11	Meggitt Aerospace Limited 3 awardees, including Meggitt Aircraft Braking Systems Corporation, Parker-Hannifin Corporation and Aircraft Wheel and Brake, LLC Top agencies DLA (Defense Logistics Agency)	$297,547	1.1%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2025; new.
12	The Boeing Company 5 awardees, including Boeing Distribution Services X, Inc., Boeing Distribution Services, Inc. and Boeing Distribution, Inc. Top agencies DLA (Defense Logistics Agency)	$294,878	1.1%	Rank history: #11 in FY2021, #8 in FY2022, #6 in FY2023 and #29 in FY2025; down 6 since FY2023.
13	Factory Sales of Texas, Inc. Top agencies DLA (Defense Logistics Agency)	$280,527	1.1%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2025; new.
14	Circor International Inc. Through Leslie Controls, Inc. Top agencies DLA (Defense Logistics Agency)	$277,379	1.0%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
15	Norcatec LLC Top agencies DLA (Defense Logistics Agency)	$253,844	1.0%	Rank history: not on the FY2021 list, #76 in FY2022, #39 in FY2023 and #7 in FY2025; up 24 since FY2023.
16	BC Technical Center, LLC Top agencies DLA (Defense Logistics Agency)	$249,633	0.9%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2025; new.
17	ECI Defense Group, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$241,563	0.9%	Rank history: #59 in FY2021, #26 in FY2022, #7 in FY2023 and #8 in FY2025; down 10 since FY2023.
18	Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$233,282	0.9%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2025; new.
19	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$232,258	0.9%	Rank history: #23 in FY2021, #14 in FY2022, #24 in FY2023 and #28 in FY2025; up 5 since FY2023.
20	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$214,292	0.8%	Rank history: #14 in FY2021, #12 in FY2022, #63 in FY2023 and #41 in FY2025; up 43 since FY2023.
21	Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$209,420	0.8%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2025; new.
22	L3Harris Technologies, Inc. Through L3 Technologies, Inc. Top agencies Navy (Department of the Navy)	$207,615	0.8%	Rank history: #91 in FY2021, #88 in FY2022, not on the FY2023 list and not on the FY2025 list; up 164 since FY2023.
23	GE Aviation Systems LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$204,049	0.8%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
24	R & M Government Services Inc. Top agencies DLA (Defense Logistics Agency)	$201,790	0.8%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and not on the FY2025 list; up 12 since FY2023.
25	Aantilia LLC Top agencies DHS (Department of Homeland Security)	$200,469	0.8%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023 and not on the FY2025 list; up 52 since FY2023.
26	Transaero, Inc. Top agencies DLA (Defense Logistics Agency)	$199,041	0.8%	Rank history: #41 in FY2021, #22 in FY2022, #11 in FY2023 and #31 in FY2025; down 15 since FY2023.
27	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$197,829	0.7%	Rank history: not on the FY2021 list, #32 in FY2022, #38 in FY2023 and not on the FY2025 list; up 11 since FY2023.
28	Bourbon Seals LLC Top agencies DLA (Defense Logistics Agency)	$188,527	0.7%	Rank history: #43 in FY2021, #16 in FY2022, #25 in FY2023 and #12 in FY2025; down 3 since FY2023.
29	Essential Elements Corporation Top agencies DLA (Defense Logistics Agency)	$186,987	0.7%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023 and not on the FY2025 list; up 35 since FY2023.
30	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$181,430	0.7%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
31	H C Merchandisers, Inc. Top agencies DLA (Defense Logistics Agency)	$161,995	0.6%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2025; new.
32	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$153,414	0.6%	Rank history: not on the FY2021 list, #5 in FY2022, #3 in FY2023 and not on the FY2025 list; down 29 since FY2023.
33	Apex Pinnacle Corp Top agencies DLA (Defense Logistics Agency)	$150,013	0.6%	Rank history: not on the FY2021 list, #60 in FY2022, #27 in FY2023 and #18 in FY2025; down 6 since FY2023.
34	EHB Supply Top agencies Navy (Department of the Navy)	$147,467	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
35	Arctic Slope Regional Corporation 2 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$147,262	0.6%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
36	Allied Defense Industries, LLC Top agencies DLA (Defense Logistics Agency)	$143,572	0.5%	Rank history: not on the FY2021–FY2023 lists and #85 in FY2025; new.
37	ES3 Prime Logistics Group Inc. Top agencies DLA (Defense Logistics Agency)	$139,028	0.5%	Rank history: #18 in FY2021, #4 in FY2022, #18 in FY2023 and #39 in FY2025; down 19 since FY2023.
38	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$136,762	0.5%	Rank history: #84 in FY2021, #33 in FY2022, #37 in FY2023 and #79 in FY2025; down 1 since FY2023.
39	Universal Spartan LLC Top agencies DLA (Defense Logistics Agency)	$131,108	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
40	S I T Corporation Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$129,570	0.5%	Rank history: #95 in FY2021, #29 in FY2022, #80 in FY2023 and #45 in FY2025; up 40 since FY2023.
41	Moog Inc. 3 awardees Top agencies DLA (Defense Logistics Agency)	$127,392	0.5%	Rank history: #42 in FY2021, #54 in FY2022, #66 in FY2023 and not on the FY2025 list; up 25 since FY2023.
42	Kitco LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$126,221	0.5%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023 and #66 in FY2025; up 27 since FY2023.
43	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$123,738	0.5%	Rank history: #34 in FY2021, #42 in FY2022, #53 in FY2023 and #35 in FY2025; up 10 since FY2023.
44	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$122,780	0.5%	Rank history: #5 in FY2021, #20 in FY2022, #17 in FY2023 and #32 in FY2025; down 27 since FY2023.
45	Colfax Corporation Through Circor Naval Solutions LLC Top agencies DLA (Defense Logistics Agency)	$121,491	0.5%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and not on the FY2025 list; up 49 since FY2023.
46	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$115,061	0.4%	Rank history: #51 in FY2021, #24 in FY2022, not on the FY2023 list and #96 in FY2025; returned.
47	Jered LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$113,557	0.4%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2025; new.
48	Supply Solutions International, Inc. Top agencies Navy (Department of the Navy)	$111,936	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
49	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$110,538	0.4%	Rank history: #6 in FY2021, #28 in FY2022, #19 in FY2023 and not on the FY2025 list; down 30 since FY2023.
50	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$101,873	0.4%	Rank history: not on the FY2021 list, #40 in FY2022, not on the FY2023 list and #27 in FY2025; returned.
51	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency)	$101,328	0.4%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2025; up 237 since FY2023.
52	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$94,968	0.4%	Rank history: #15 in FY2021, #37 in FY2022, #57 in FY2023 and #25 in FY2025; up 5 since FY2023.
53	Scioteq LLC 4 awardees, including Arkwin Industries, Inc., Aerocontrolex Group, Inc. and Kirkhill, Inc. Top agencies DLA (Defense Logistics Agency)	$93,946	0.4%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2023 and not on the FY2025 list; up 2 since FY2023.
54	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$90,151	0.3%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2025; new.
55	Southern Automotive Wholesalers, Inc. Top agencies DLA (Defense Logistics Agency)	$89,940	0.3%	Rank history: not on the FY2021 list, #73 in FY2022, #99 in FY2023 and not on the FY2025 list; up 44 since FY2023.
56	Lockheed Martin Corporation 4 awardees, including Derco Aerospace, Inc. and Sikorsky Aircraft Corporation Top agencies DLA (Defense Logistics Agency)	$87,501	0.3%	Rank history: #78 in FY2021, #47 in FY2022, #20 in FY2023 and #34 in FY2025; down 36 since FY2023.
57	General Tool Company Top agencies DLA (Defense Logistics Agency)	$85,886	0.3%	Rank history: #83 in FY2021, #99 in FY2022, #89 in FY2023 and #48 in FY2025; up 32 since FY2023.
58	Washington Foundries Inc. Top agencies DLA (Defense Logistics Agency)	$80,807	0.3%	Rank history: #36 in FY2021, #31 in FY2022, #40 in FY2023 and #43 in FY2025; down 18 since FY2023.
59	MDF Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$79,011	0.3%	Rank history: #38 in FY2021, #55 in FY2022, #43 in FY2023 and not on the FY2025 list; down 16 since FY2023.
60	General Dynamics Corporation Through Electric Boat Corporation Top agencies DLA (Defense Logistics Agency)	$76,626	0.3%	Rank history: not on the FY2021 list, #67 in FY2022, #81 in FY2023 and #60 in FY2025; up 21 since FY2023.
61	Sealing Specialists & Service Co Top agencies Navy (Department of the Navy)	$74,884	0.3%	Rank history: #37 in FY2021, #74 in FY2022, not on the FY2023 list and #59 in FY2025; up 234 since FY2023.
62	Meggitt Defense Systems Inc. Through Meggitt Aircraft Braking Systems Corporation Top agencies DLA (Defense Logistics Agency)	$73,425	0.3%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and not on the FY2025 list; down 28 since FY2023.
63	Mission Systems Davenport Inc. Top agencies Navy (Department of the Navy)	$72,417	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
64	Johnson & Towers LLC Top agencies DLA (Defense Logistics Agency)	$69,637	0.3%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2025; new.
65	Marotta Controls Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$68,739	0.3%	Rank history: #89 in FY2021, #64 in FY2022, #35 in FY2023 and #61 in FY2025; down 30 since FY2023.
66	OLB Associates LLC Top agencies DLA (Defense Logistics Agency)	$68,335	0.3%	Rank history: not on the FY2021 list, #61 in FY2022, #70 in FY2023 and not on the FY2025 list; up 4 since FY2023.
67	SAFRAN 2 awardees, including Safran Landing Systems and Air Cruisers Company, LLC Top agencies DLA (Defense Logistics Agency)	$66,667	0.3%	Rank history: #26 in FY2021, #30 in FY2022, #52 in FY2023 and #68 in FY2025; down 15 since FY2023.
68	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$64,684	0.2%	Rank history: #100 in FY2021, #65 in FY2022, #75 in FY2023 and #73 in FY2025; up 7 since FY2023.
69	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$63,801	0.2%	Rank history: #45 in FY2021, #38 in FY2022, #50 in FY2023 and not on the FY2025 list; down 19 since FY2023.
70	Houston Drive Train Vehicle Component Sales, Inc. Top agencies DLA (Defense Logistics Agency)	$62,830	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 109 since FY2023.
71	MCI Solutions Inc Top agencies DLA (Defense Logistics Agency)	$60,425	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
72	Treadwell Corporation (Delaware) Top agencies DLA (Defense Logistics Agency)	$59,897	0.2%	Rank history: not on the FY2021 list, #70 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
73	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$58,825	0.2%	Rank history: not on the FY2021 list, #25 in FY2022, #15 in FY2023 and not on the FY2025 list; down 58 since FY2023.
74	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy)	$58,680	0.2%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and #47 in FY2025; up 18 since FY2023.
75	17 Machinery LLC Top agencies DLA (Defense Logistics Agency)	$57,505	0.2%	Rank history: not on the FY2021 list, #84 in FY2022, #97 in FY2023 and #57 in FY2025; up 22 since FY2023.
76	Aqua-Chem, Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$56,946	0.2%	Rank history: not on the FY2021 list, #72 in FY2022, #76 in FY2023 and #86 in FY2025; unchanged since FY2023.
77	Park Engineering Services Inc. Top agencies Army (Department of the Army)	$53,893	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
78	Fitzhugh Clifton Top agencies DLA (Defense Logistics Agency)	$51,339	0.2%	Rank history: #44 in FY2021, #45 in FY2022, #78 in FY2023 and #87 in FY2025; unchanged since FY2023.
79	Esco Technologies Inc. Through Vacco Industries Top agencies DLA (Defense Logistics Agency)	$50,541	0.2%	Rank history: not on the FY2021 list, #63 in FY2022, not on the FY2023 list and #95 in FY2025; up 34 since FY2023.
80	Woodward Governor Company Through Woodward HRT Inc. Top agencies DLA (Defense Logistics Agency)	$50,351	0.2%	Rank history: #75 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; up 30 since FY2023.
81	Statz Corp Top agencies DLA (Defense Logistics Agency)	$49,945	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 78 since FY2023.
82	Hoosier Industrial Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$48,824	0.2%	Rank history: not on the FY2021 list, #87 in FY2022, not on the FY2023 list and #62 in FY2025; up 155 since FY2023.
83	Pines Quality Inc. Top agencies DLA (Defense Logistics Agency)	$48,178	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 53 since FY2023.
84	Airbus Americas Inc. Through Airbus Helicopters, Inc. Top agencies DHS (Department of Homeland Security)	$47,983	0.2%	Rank history: #77 in FY2021, #15 in FY2022, not on the FY2023 list and not on the FY2025 list; up 45 since FY2023.
85	Tobar Inc. Top agencies Army (Department of the Army)	$47,277	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
86	Quest PAK Inc. Top agencies DLA (Defense Logistics Agency)	$46,728	0.2%	Rank history: #25 in FY2021, #34 in FY2022, #23 in FY2023 and not on the FY2025 list; down 63 since FY2023.
87	Airborne Supply Inc. Top agencies DLA (Defense Logistics Agency)	$44,886	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
88	AFP Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$44,708	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 237 since FY2023.
89	DC Fabricators Inc. Top agencies DLA (Defense Logistics Agency)	$43,647	0.2%	Rank history: #35 in FY2021, #44 in FY2022, #58 in FY2023 and #30 in FY2025; down 31 since FY2023.
90	Transupport Inc. Top agencies DLA (Defense Logistics Agency)	$42,395	0.2%	Rank history: #61 in FY2021, #100 in FY2022, not on the FY2023 list and not on the FY2025 list; up 94 since FY2023.
91	Govparts LLC Top agencies DLA (Defense Logistics Agency)	$41,815	0.2%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; new.
92	Denise Lampignano Top agencies DHS (Department of Homeland Security)	$39,986	0.2%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2025; up 112 since FY2023.
93	Parker-Hannifin Corporation 2 awardees, including Aircraft Wheel and Brake, LLC Top agencies DLA (Defense Logistics Agency)	$39,537	0.1%	Rank history: #46 in FY2021, not on the FY2022 list, #56 in FY2023 and not on the FY2025 list; down 37 since FY2023.
94	General Dynamics Land Systems - Canada Corporation Top agencies DLA (Defense Logistics Agency)	$38,650	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
95	Kongsberg Underwater Technology LLC Through Kongsberg Maritime Inc. Top agencies Navy (Department of the Navy)	$37,285	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
96	Up Enterprises LLC Top agencies Navy (Department of the Navy)	$36,359	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
97	Gaskets Orings Rubber Inc. Top agencies DLA (Defense Logistics Agency)	$36,263	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 11 since FY2023.
98	Smiths Detection Inc Through John Crane, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$35,389	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
99	EMI Conductive Rubber, LLC Top agencies DLA (Defense Logistics Agency)	$35,312	0.1%	Rank history: not on the FY2021 list, #50 in FY2022, #41 in FY2023 and not on the FY2025 list; down 58 since FY2023.
100	CF Machining, Inc. Top agencies DLA (Defense Logistics Agency)	$34,916	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.

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100 of 509 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 $26.5 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 5331 contractors in FY2024?

1. RTX Corporation ($4.12M), 2. Noble Supply & Logistics, LLC ($2.51M), 3. DBR Industries, Inc. ($2.04M), 4. Blade Industrial Products Inc. ($828K), 5. FBC Enterprises LLC ($531K), 6. General Electric Company ($493K), 7. Triman Industries Inc. ($474K), 8. Heico Aerospace Corporat ($425K), 9. Pioneer Industries, LLC ($330K), 10. Honeywell International Inc. ($305K).

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