Top 100 Contractors in NAICS 33635: Motor Vehicle Transmission and Power Train Parts Manufacturing, FY2024

Name: Top 100 Contractors in NAICS 33635: Motor Vehicle Transmission and Power Train Parts Manufacturing, FY2024
Creator: GovTribe

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

The top 10 won 80% of FY2024 NAICS 33635 contract dollars

Contract obligations: $282,601,287 Net of deobligations, by contracts coded NAICS 33635 or a code under it
Contractors: 306 Parent companies with an obligation
Largest contractor: Renk America LLC $166 million, 51.3% 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	Renk America LLC Top agencies Army (Department of the Army)	$165,774,645	51.3%	Rank history: not on the FY2021–FY2022 lists, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
2	Twin Disc, Incorporated Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$36,177,639	11.2%	Rank history: #3 in FY2021, #10 in FY2022, #9 in FY2023 and #26 in FY2025; up 7 since FY2023.
3	Oshkosh Corporation 3 awardees, including Oshkosh Defense LLC and JLG Industries, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$15,337,044	4.8%	Rank history: #4 in FY2021, #5 in FY2022, #4 in FY2023 and #5 in FY2025; up 1 since FY2023.
4	Am General LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$14,567,895	4.5%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2025; new.
5	LOC Performance Products LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$8,303,844	2.6%	Rank history: #27 in FY2021, #4 in FY2022, #64 in FY2023 and #11 in FY2025; up 59 since FY2023.
6	MTP Drivetrain Services, L.L.C. 2 awardees Top agencies Army (Department of the Army) DOJ (Department of Justice)	$6,231,050	1.9%	Rank history: #12 in FY2021, #12 in FY2022, #7 in FY2023 and #7 in FY2025; up 1 since FY2023.
7	Transdigm Group Incorporated Through Schroth Safety Products LLC Top agencies Army (Department of the Army)	$3,719,224	1.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
8	Clarke Power Services, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$3,312,922	1.0%	Rank history: #9 in FY2021, #9 in FY2022, #5 in FY2023 and #2 in FY2025; down 3 since FY2023.
9	Ruta Supplies Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$2,625,129	0.8%	Rank history: #30 in FY2021, #8 in FY2022, #8 in FY2023 and #8 in FY2025; down 1 since FY2023.
10	Melton Sales & Service Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$2,299,244	0.7%	Rank history: #5 in FY2021, #3 in FY2022, #12 in FY2023 and #54 in FY2025; up 2 since FY2023.
11	Houston Drive Train Vehicle Component Sales, Inc. Top agencies DLA (Defense Logistics Agency)	$2,031,609	0.6%	Rank history: #6 in FY2021, #6 in FY2022, #6 in FY2023 and #18 in FY2025; down 5 since FY2023.
12	Tecmotiv (Usa), Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,475,471	0.5%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2025; new.
13	ECI Defense Group, Inc. 2 awardees Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,271,482	0.4%	Rank history: not on the FY2021 list, #44 in FY2022, #22 in FY2023 and #37 in FY2025; up 9 since FY2023.
14	Timken Gears & Services Inc. Top agencies DLA (Defense Logistics Agency)	$1,100,998	0.3%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
15	AFP Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$810,126	0.3%	Rank history: not on the FY2021 list, #37 in FY2022, #75 in FY2023 and not on the FY2025 list; up 60 since FY2023.
16	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$794,927	0.2%	Rank history: #15 in FY2021, #26 in FY2022, #16 in FY2023 and #14 in FY2025; unchanged since FY2023.
17	VSE Corporation 2 awardees, including Wheeler Fleet Solutions, Co. Top agencies DLA (Defense Logistics Agency)	$750,431	0.2%	Rank history: #8 in FY2021, #14 in FY2022, #76 in FY2023 and not on the FY2025 list; up 59 since FY2023.
18	Penn Power Group LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$738,212	0.2%	Rank history: #62 in FY2021, not on the FY2022–FY2023 lists and #10 in FY2025; returned.
19	OGS Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$719,485	0.2%	Rank history: #44 in FY2021, #36 in FY2022, #71 in FY2023 and #40 in FY2025; up 52 since FY2023.
20	Usls Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$530,040	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
21	Freightliner of Savannah, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$525,270	0.2%	Rank history: #32 in FY2021, not on the FY2022 list, #42 in FY2023 and #35 in FY2025; up 21 since FY2023.
22	Triman Industries Inc. 2 awardees, including Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$481,905	0.1%	Rank history: #67 in FY2021, #16 in FY2022, #31 in FY2023 and #44 in FY2025; up 9 since FY2023.
23	D & Ddesign & Manufacturing Inc. Top agencies DOT (Department of Transportation)	$480,359	0.1%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and not on the FY2025 list; up 16 since FY2023.
24	Prop Shaft Supply Inc. Top agencies DLA (Defense Logistics Agency)	$432,428	0.1%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2025; new.
25	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$415,066	0.1%	Rank history: #23 in FY2021, #22 in FY2022, #26 in FY2023 and #16 in FY2025; up 1 since FY2023.
26	Global Logistics Strategies Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$352,711	0.1%	Rank history: #54 in FY2021, #24 in FY2022, #30 in FY2023 and #12 in FY2025; up 4 since FY2023.
27	Cynthia Garcia Through Rockford Powertrain Inc. Top agencies DLA (Defense Logistics Agency)	$351,579	0.1%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2023 and not on the FY2025 list; down 6 since FY2023.
28	Huxhold Enterprises LLC Top agencies DLA (Defense Logistics Agency)	$342,939	0.1%	Rank history: #64 in FY2021, #30 in FY2022, #44 in FY2023 and #64 in FY2025; up 16 since FY2023.
29	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$317,246	0.1%	Rank history: #85 in FY2021, #29 in FY2022, #25 in FY2023 and not on the FY2025 list; down 4 since FY2023.
30	CNH Industrial N.V. Through CNH Industrial America LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$283,410	0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #15 in FY2023 and #29 in FY2025; down 15 since FY2023.
31	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies DLA (Defense Logistics Agency)	$276,921	0.1%	Rank history: not on the FY2021 list, #60 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
32	Artex Truck Center Inc. Top agencies DLA (Defense Logistics Agency)	$275,258	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and not on the FY2025 list; up 36 since FY2023.
33	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$272,216	0.1%	Rank history: not on the FY2021 list, #87 in FY2022, #73 in FY2023 and #50 in FY2025; up 40 since FY2023.
34	Worldwide Equipment Enterprises Inc. Through Worldwide Equipment Inc. Top agencies DLA (Defense Logistics Agency)	$268,061	0.1%	Rank history: #11 in FY2021, #18 in FY2022, #10 in FY2023 and not on the FY2025 list; down 24 since FY2023.
35	Janels Industries Inc. Top agencies DLA (Defense Logistics Agency)	$252,316	0.1%	Rank history: #24 in FY2021, #71 in FY2022, not on the FY2023 list and #30 in FY2025; returned.
36	Liberty Communications, Inc. Top agencies DLA (Defense Logistics Agency)	$251,853	0.1%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2025; new.
37	Marvin Engineering Co, Inc. Top agencies Navy (Department of the Navy)	$250,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
38	Porobond Products, LLC Top agencies DLA (Defense Logistics Agency)	$233,304	0.1%	Rank history: not on the FY2021 list, #28 in FY2022, #78 in FY2023 and #39 in FY2025; up 40 since FY2023.
39	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$231,762	0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #82 in FY2023 and #13 in FY2025; up 43 since FY2023.
40	Vehicle Maintenance Program Inc. Top agencies DLA (Defense Logistics Agency)	$229,474	0.1%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; up 150 since FY2023.
41	Coronet Machinery Corp. Top agencies DLA (Defense Logistics Agency)	$221,314	0.1%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and not on the FY2025 list; up 42 since FY2023.
42	Central Power Systems & Services, LLC Top agencies DLA (Defense Logistics Agency)	$203,499	0.1%	Rank history: not on the FY2021–FY2022 lists, #17 in FY2023 and #19 in FY2025; down 25 since FY2023.
43	Pines Quality Inc. Top agencies DLA (Defense Logistics Agency)	$200,047	0.1%	Rank history: #48 in FY2021, not on the FY2022 list, #56 in FY2023 and #28 in FY2025; up 13 since FY2023.
44	Saginaw Products Corporation Top agencies DLA (Defense Logistics Agency)	$199,432	0.1%	Rank history: #86 in FY2021, #23 in FY2022, not on the FY2023 list and #34 in FY2025; up 64 since FY2023.
45	Pacific Star Marine Inc. Top agencies DHS (Department of Homeland Security)	$192,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
46	Wollard International LLC Through TLD Wollard LLC Top agencies DLA (Defense Logistics Agency)	$190,401	0.1%	Rank history: #73 in FY2021, #32 in FY2022, #38 in FY2023 and not on the FY2025 list; down 8 since FY2023.
47	Apex Pinnacle Corp Top agencies DLA (Defense Logistics Agency)	$185,184	0.1%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2023 and #83 in FY2025; up 8 since FY2023.
48	Wendig Company, Inc. Top agencies DHS (Department of Homeland Security)	$181,645	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
49	Seco Parts & Equipment Co Top agencies DLA (Defense Logistics Agency)	$176,860	0.1%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2025; new.
50	Bowmar LLC Top agencies DLA (Defense Logistics Agency)	$173,986	0.1%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2025; new.
51	Space Coast IC, Inc. Top agencies DLA (Defense Logistics Agency)	$169,495	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
52	Equipment Parts Sales Top agencies DLA (Defense Logistics Agency)	$166,206	0.1%	Rank history: #55 in FY2021, #84 in FY2022, not on the FY2023 list and #78 in FY2025; up 67 since FY2023.
53	Norcatec LLC Top agencies DLA (Defense Logistics Agency)	$145,879	<0.1%	Rank history: #70 in FY2021, not on the FY2022–FY2023 lists and #61 in FY2025; up 57 since FY2023.
54	Machine Service, Inc. Through Prop Shaft Supply Inc. Top agencies DLA (Defense Logistics Agency)	$141,013	<0.1%	Rank history: #46 in FY2021, #17 in FY2022, #34 in FY2023 and not on the FY2025 list; down 20 since FY2023.
55	Badger Truck and Automotive Group, Inc. Top agencies DLA (Defense Logistics Agency)	$138,520	<0.1%	Rank history: #13 in FY2021, #11 in FY2022, #29 in FY2023 and #53 in FY2025; down 26 since FY2023.
56	Tecmotiv Corporation Through Tecmotiv (Usa), Inc. Top agencies DLA (Defense Logistics Agency)	$136,125	<0.1%	Rank history: #72 in FY2021, #31 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
57	General Dynamics Corporation 3 awardees, including Electric Boat Corporation, General Dynamics-Ots, Inc. and General Dynamics Land Systems - Canada Corporation Top agencies DLA (Defense Logistics Agency)	$135,237	<0.1%	Rank history: #34 in FY2021, #15 in FY2022, #61 in FY2023 and not on the FY2025 list; up 4 since FY2023.
58	The W.w. Williams Company, LLC Top agencies DLA (Defense Logistics Agency)	$133,205	<0.1%	Rank history: not on the FY2021 list, #68 in FY2022, not on the FY2023 list and #48 in FY2025; returned.
59	Statz Corp Top agencies DLA (Defense Logistics Agency)	$132,079	<0.1%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2025; new.
60	Jasper Engine Exchange, Inc. Top agencies DOJ (Department of Justice) USAF (Department of the Air Force)	$129,305	<0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #52 in FY2023 and not on the FY2025 list; down 8 since FY2023.
61	BAE Systems PLC Through BAE Systems Land & Armaments L.P. Top agencies DLA (Defense Logistics Agency)	$128,225	<0.1%	Rank history: not on the FY2021 list, #50 in FY2022, #40 in FY2023 and not on the FY2025 list; down 21 since FY2023.
62	General Motors Company Top agencies DLA (Defense Logistics Agency)	$125,655	<0.1%	Rank history: #39 in FY2021, #64 in FY2022, #37 in FY2023 and not on the FY2025 list; down 25 since FY2023.
63	Waukesha Bearings Corporation Top agencies DLA (Defense Logistics Agency)	$120,420	<0.1%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2023 and #41 in FY2025; down 49 since FY2023.
64	TLD Wollard LLC Top agencies DLA (Defense Logistics Agency)	$119,052	<0.1%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2025; new.
65	JA Moody LLC Top agencies DLA (Defense Logistics Agency)	$114,944	<0.1%	Rank history: #36 in FY2021, #55 in FY2022, not on the FY2023 list and #49 in FY2025; returned.
66	Dynaflex Products Top agencies DLA (Defense Logistics Agency)	$113,764	<0.1%	Rank history: not on the FY2021 list, #77 in FY2022, #79 in FY2023 and not on the FY2025 list; up 13 since FY2023.
67	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$111,516	<0.1%	Rank history: #31 in FY2021, #33 in FY2022, #84 in FY2023 and #80 in FY2025; up 17 since FY2023.
68	C E Niehoff & Co Top agencies DLA (Defense Logistics Agency)	$109,926	<0.1%	Rank history: #89 in FY2021, not on the FY2022–FY2023 lists and #73 in FY2025; returned.
69	Libby Power Systems, LLC Top agencies DLA (Defense Logistics Agency)	$108,691	<0.1%	Rank history: #92 in FY2021, not on the FY2022–FY2023 lists and #94 in FY2025; up 46 since FY2023.
70	PDI Ground Support Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$107,002	<0.1%	Rank history: #29 in FY2021, #47 in FY2022, #65 in FY2023 and #63 in FY2025; down 5 since FY2023.
71	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$96,727	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 67 since FY2023.
72	Jdci Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$96,204	<0.1%	Rank history: #57 in FY2021, #38 in FY2022, #53 in FY2023 and #86 in FY2025; down 19 since FY2023.
73	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$95,925	<0.1%	Rank history: #61 in FY2021, #92 in FY2022, not on the FY2023 list and not on the FY2025 list; up 45 since FY2023.
74	Southeastern Equipment Company, Inc. Through Seco Parts & Equipment Co Top agencies DLA (Defense Logistics Agency)	$95,574	<0.1%	Rank history: not on the FY2021–FY2022 lists, #48 in FY2023 and not on the FY2025 list; down 26 since FY2023.
75	Giga, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$89,720	<0.1%	Rank history: not on the FY2021 list, #74 in FY2022, not on the FY2023 list and #76 in FY2025; up 123 since FY2023.
76	Seiler Instrument and Manufacturing Company, Incorporated Top agencies DLA (Defense Logistics Agency)	$85,140	<0.1%	Rank history: not on the FY2021 list, #65 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
77	Flight Source Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$83,750	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 168 since FY2023.
78	Augusta Engine Parts, Inc. Top agencies DLA (Defense Logistics Agency)	$82,859	<0.1%	Rank history: not on the FY2021 list, #62 in FY2022, #33 in FY2023 and #65 in FY2025; down 45 since FY2023.
79	U.s.a. Spares Inc. Top agencies DLA (Defense Logistics Agency)	$82,370	<0.1%	Rank history: #58 in FY2021, #41 in FY2022, #77 in FY2023 and #93 in FY2025; down 2 since FY2023.
80	Lake Shore Systems Inc. Top agencies DLA (Defense Logistics Agency)	$82,340	<0.1%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2025; new.
81	Maven Engineering Corporation Top agencies DLA (Defense Logistics Agency)	$81,375	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 108 since FY2023.
82	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$79,841	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
83	Appleton Marine Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$79,220	<0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and not on the FY2025 list; up 16 since FY2023.
84	RKU Distributing, Inc. Top agencies DLA (Defense Logistics Agency)	$78,779	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
85	Alpha Technologies Top agencies DLA (Defense Logistics Agency)	$77,283	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
86	Legacy Military Components Inc. Top agencies DLA (Defense Logistics Agency)	$76,156	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 23 since FY2023.
87	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$73,635	<0.1%	Rank history: #82 in FY2021, not on the FY2022 list, #90 in FY2023 and not on the FY2025 list; up 3 since FY2023.
88	Wisconsin Ordnance Works Ltd Top agencies DLA (Defense Logistics Agency)	$72,168	<0.1%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
89	Ronal Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$69,079	<0.1%	Rank history: #52 in FY2021, #66 in FY2022, #35 in FY2023 and #67 in FY2025; down 54 since FY2023.
90	Lee Precision Machine Shop Inc. Top agencies DLA (Defense Logistics Agency)	$68,290	<0.1%	Rank history: not on the FY2021 list, #52 in FY2022, #62 in FY2023 and not on the FY2025 list; down 28 since FY2023.
91	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$66,772	<0.1%	Rank history: #22 in FY2021, #46 in FY2022, #45 in FY2023 and #55 in FY2025; down 46 since FY2023.
92	JBL System Solutions LLC Top agencies DLA (Defense Logistics Agency)	$66,552	<0.1%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and not on the FY2025 list; down 4 since FY2023.
93	Mayer Alloys Corporation Top agencies DLA (Defense Logistics Agency)	$66,308	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
94	Fairlane Tool Company, Inc. Top agencies DLA (Defense Logistics Agency)	$65,520	<0.1%	Rank history: #83 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
95	Baker & Associates Inc. Top agencies DLA (Defense Logistics Agency)	$64,966	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
96	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$64,569	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 75 since FY2023.
97	Patriot American Solutions LLC Top agencies DLA (Defense Logistics Agency)	$63,360	<0.1%	Rank history: #75 in FY2021, not on the FY2022 list, #86 in FY2023 and not on the FY2025 list; down 11 since FY2023.
98	JLG Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$63,343	<0.1%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2025; new.
99	Bradley-Thompson Tool Company Top agencies DLA (Defense Logistics Agency)	$61,370	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 116 since FY2023.
100	Allied Defense Industries, LLC Top agencies DLA (Defense Logistics Agency)	$61,321	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.

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100 of 306 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33635

Code	Net obligations	Largest contractor
336350 Motor Vehicle Transmission and Power Train Parts Manufacturing	$282,601,287	Renk America LLC

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 $323 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 NAICS 33635 contractors in FY2024?

1. Renk America LLC ($166M), 2. Twin Disc, Incorporated ($36.2M), 3. Oshkosh Corporation ($15.3M), 4. Am General LLC ($14.6M), 5. LOC Performance Products LLC ($8.3M), 6. MTP Drivetrain Services, L.L.C. ($6.23M), 7. Transdigm Group Incorporated ($3.72M), 8. Clarke Power Services, Inc. ($3.31M), 9. Ruta Supplies Inc. ($2.63M), 10. Melton Sales & Service ($2.3M).

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