Top 100 Contractors in NAICS 3339: Other General Purpose Machinery Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 3339: Other General Purpose Machinery Manufacturing, FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 31% of FY2021 NAICS 3339 contract dollars

Contract obligations: $1,366,737,542 Net of deobligations, by contracts coded NAICS 3339 or a code under it
Contractors: 2,717 Parent companies with an obligation
Largest contractor: Isometrics Inc. $75.3 million, 5.2% 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	Isometrics Inc. Top agencies Army (Department of the Army)	$75,323,106	5.2%	Rank history: #6 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
2	Advantaged Solutions, LLC Top agencies DLA (Defense Logistics Agency)	$65,541,071	4.5%	Rank history: #4 in FY2022, #6 in FY2023, #4 in FY2024 and #21 in FY2025; down 1 since FY2020.
3	Leonardo S.p.A. 8 awardees, including DRS Sustainment Systems, Inc., DRS Naval Power Systems Inc. and DRS Technologies Canada Ltd. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$65,257,831	4.5%	Rank history: #3 in FY2022, #1 in FY2023, #3 in FY2024 and #4 in FY2025; unchanged since FY2020.
4	Konecranes Inc 2 awardees, including Konecranes Nuclear Equipment & Services, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) Treasury (Department of the Treasury)	$49,172,516	3.4%	Rank history: #5 in FY2022, #3 in FY2023, #13 in FY2024 and not on the FY2025 list; up 110 since FY2020.
5	Tencate Advanced Composites USA Inc. Through Integris Composites, Inc. Top agencies Army (Department of the Army)	$45,380,219	3.1%	Rank history: #14 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
6	J Kokolakis Contracting Inc. Top agencies Army (Department of the Army)	$44,612,000	3.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
7	RTX Corporation 29 awardees, including Hamilton Sundstrand Corporation, Rockwell Collins Inc. and Raytheon Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$34,495,041	2.4%	Rank history: #8 in FY2022, #2 in FY2023, #1 in FY2024 and #2 in FY2025; down 1 since FY2020.
8	Hyster-Yale Group Inc. 2 awardees Top agencies DLA (Defense Logistics Agency) DOT (Department of Transportation) USAF (Department of the Air Force)	$28,824,473	2.0%	Rank history: #21 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
9	Leading Technology Composites Inc. Top agencies Army (Department of the Army)	$25,587,507	1.8%	Rank history: #2 in FY2022, #5 in FY2023, #7 in FY2024 and #1 in FY2025; up 1 since FY2020.
10	Sealite Usa, LLC Top agencies USAF (Department of the Air Force)	$22,223,845	1.5%	Rank history: not on the FY2022–FY2023 lists, #10 in FY2024 and #17 in FY2025; up 111 since FY2020.
11	Supplycore LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$19,554,989	1.3%	Rank history: not on the FY2022–FY2023 lists, #23 in FY2024 and #20 in FY2025; down 4 since FY2020.
12	Groupe Reel Through Reel COH Inc. Top agencies Army (Department of the Army) DOE (Department of Energy)	$17,602,450	1.2%	Rank history: #20 in FY2022 and not on the FY2023–FY2025 lists; up 17 since FY2020.
13	Curtiss-Wright Corporation 12 awardees, including Curtiss-Wright Electro-Mechanical Corporation, Peerless Instrument Co., Inc. and Curtiss-Wright Controls, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$17,592,983	1.2%	Rank history: #12 in FY2022, #7 in FY2023, #28 in FY2024 and not on the FY2025 list; up 13 since FY2020.
14	Quality Manufacturing Systems, Inc. Top agencies VA (Department of Veterans Affairs)	$17,526,469	1.2%	Rank history: not on the FY2022 list, #51 in FY2023, #78 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
15	Knapp Inc. Top agencies VA (Department of Veterans Affairs)	$16,877,580	1.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
16	Science Applications International Corporation 2 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$15,047,963	1.0%	Rank history: #51 in FY2022, #50 in FY2023 and not on the FY2024–FY2025 lists; down 14 since FY2020.
17	Heil Trailer International LLC Top agencies Army (Department of the Army)	$14,752,432	1.0%	Rank history: #74 in FY2022, #12 in FY2023, #27 in FY2024 and #53 in FY2025; up 16 since FY2020.
18	Altec Inc. Through Altec Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$13,360,792	0.9%	Rank history: #52 in FY2022, #14 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
19	Still Gesellschaft MIT Beschrankter Haftung 2 awardees, including Dematic Corp Top agencies Army (Department of the Army) Navy (Department of the Navy) DECA (Defense Commissary Agency)	$13,092,942	0.9%	Rank history: #28 in FY2022 and not on the FY2023–FY2025 lists; up 183 since FY2020.
20	2101 LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$12,298,993	0.8%	Rank history: #40 in FY2022, not on the FY2023 list, #88 in FY2024 and #10 in FY2025; up 27 since FY2020.
21	Warren Pumps LLC 3 awardees, including Circor Naval Solutions LLC and Portland Valve LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$11,973,725	0.8%	Rank history: #17 in FY2022 and not on the FY2023–FY2025 lists; down 3 since FY2020.
22	Northrop Grumman Corporation 11 awardees, including Northrop Grumman Systems Corporation and Remotec, Inc. Top agencies Navy (Department of the Navy) DOJ (Department of Justice)	$11,521,917	0.8%	Rank history: #29 in FY2022, #8 in FY2023, #34 in FY2024 and #18 in FY2025; up 21 since FY2020.
23	TLD America Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$11,303,177	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
24	BCI Construction Usa, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$10,863,512	0.7%	Rank history: #10 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
25	Hydraulics International, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$10,519,615	0.7%	Rank history: #30 in FY2022, #26 in FY2023, #66 in FY2024 and #89 in FY2025; down 12 since FY2020.
26	Noble Sales Co. Inc. 2 awardees, including Noble Supply & Logistics, LLC and Tactical & Survival Specialties, LLC Top agencies DLA (Defense Logistics Agency)	$10,411,045	0.7%	Rank history: #9 in FY2022, #23 in FY2023, #49 in FY2024 and #11 in FY2025; up 41 since FY2020.
27	Triverus LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$9,183,559	0.6%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
28	American Material Handling, Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$8,976,609	0.6%	Rank history: #19 in FY2022, #42 in FY2023, #64 in FY2024 and #91 in FY2025; up 23 since FY2020.
29	Consolidated Engineering Company, Inc. Top agencies Treasury (Department of the Treasury)	$8,947,679	0.6%	Rank history: not on the FY2022 list, #34 in FY2023, #50 in FY2024 and not on the FY2025 list; up 34 since FY2020.
30	Crane Technologies Group, Inc. Top agencies Navy (Department of the Navy)	$8,853,258	0.6%	Rank history: #50 in FY2022, #54 in FY2023, #94 in FY2024 and #44 in FY2025; up 15 since FY2020.
31	Sievert Electric Service and Sales Company Top agencies NASA (National Aeronautics and Space Administration) Navy (Department of the Navy) Army (Department of the Army)	$8,808,861	0.6%	Rank history: #31 in FY2022, #25 in FY2023, not on the FY2024 list and #74 in FY2025; up 37 since FY2020.
32	Knight Const. & Supply, Inc. Top agencies Army (Department of the Army)	$8,323,550	0.6%	Rank history: #34 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
33	Newview Oklahoma, Inc. Top agencies DLA (Defense Logistics Agency)	$8,307,536	0.6%	Rank history: #16 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
34	RIX Industries Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$8,276,590	0.6%	Rank history: #46 in FY2022, #18 in FY2023, #8 in FY2024 and #31 in FY2025; up 2 since FY2020.
35	Government of Canada Through Canadian Commercial Corporation Top agencies Navy (Department of the Navy)	$7,997,858	0.5%	Rank history: #27 in FY2022, #9 in FY2023 and not on the FY2024–FY2025 lists; down 16 since FY2020.
36	Toyota Industries Corporation 3 awardees, including Werres Corporation, N.j. Malin & Associates, LLC and Raymond Handling Concepts Corp Top agencies DLA (Defense Logistics Agency) DOS (Department of State)	$7,925,763	0.5%	Rank history: #86 in FY2022, #41 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2020.
37	L3Harris Technologies, Inc. 20 awardees, including L3 Technologies, Inc., L3Harris Maritime Power & Energy Solutions, Inc. and Acron Aviation, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$7,713,405	0.5%	Rank history: not on the FY2022–FY2025 lists; down 29 since FY2020.
38	S&H Products LLC Top agencies DLA (Defense Logistics Agency)	$7,277,522	0.5%	Rank history: #69 in FY2022, #39 in FY2023 and not on the FY2024–FY2025 lists; up 49 since FY2020.
39	If Armor International, LLC Top agencies USAF (Department of the Air Force)	$7,061,402	0.5%	Rank history: not on the FY2022–FY2025 lists; up 21 since FY2020.
40	Wright & Wright Machinery Co., Inc. Top agencies DLA (Defense Logistics Agency) DOJ (Department of Justice) DOI (Department of the Interior)	$6,679,719	0.5%	Rank history: #18 in FY2022, #22 in FY2023, #15 in FY2024 and #14 in FY2025; down 15 since FY2020.
41	Argo Turboserve Corporation 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$6,592,958	0.5%	Rank history: #43 in FY2022, #72 in FY2023, #25 in FY2024 and #33 in FY2025; up 12 since FY2020.
42	Appleton Marine Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$6,535,971	0.4%	Rank history: #24 in FY2022, #38 in FY2023, #45 in FY2024 and #30 in FY2025; down 19 since FY2020.
43	Bender Ccp, Inc. Top agencies Navy (Department of the Navy)	$6,375,740	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
44	Nomad Global Communication Solutions, Incorporated Top agencies USAF (Department of the Air Force)	$6,092,749	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
45	Federal Contracts LLC Top agencies DOE (Department of Energy) VA (Department of Veterans Affairs) DOI (Department of the Interior)	$6,076,171	0.4%	Rank history: #94 in FY2022, #58 in FY2023 and not on the FY2024–FY2025 lists; down 23 since FY2020.
46	ST Engineering Halter Marine and Offshore Inc. Through Ecoservices, LLC Top agencies Navy (Department of the Navy)	$5,934,135	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency) GSA (General Services Administration) USAF (Department of the Air Force)	$5,589,772	0.4%	Rank history: #59 in FY2022, #44 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
48	The Entwistle Trust 2 awardees, including The Entwistle Company LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$5,589,373	0.4%	Rank history: #44 in FY2022, #86 in FY2023, #24 in FY2024 and not on the FY2025 list; up 9 since FY2020.
49	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$5,540,116	0.4%	Rank history: #32 in FY2022, #30 in FY2023, #30 in FY2024 and #25 in FY2025; up 1 since FY2020.
50	Greenwich AeroGroup Inc. Through Aero Precision Industries LLC Top agencies USAF (Department of the Air Force)	$5,265,570	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
51	Textron Inc. 4 awardees, including Bell Textron Inc., Textron Ground Support Equipment Inc. and Textron Systems Corp Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$5,176,215	0.4%	Rank history: #71 in FY2022, #45 in FY2023, #19 in FY2024 and #19 in FY2025; down 36 since FY2020.
52	Welin Lambie Limited Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) DOT (Department of Transportation)	$5,171,662	0.4%	Rank history: #55 in FY2022, not on the FY2023–FY2024 lists and #28 in FY2025; down 14 since FY2020.
53	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$5,014,953	0.3%	Rank history: #26 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
54	Carver Pump Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$4,972,058	0.3%	Rank history: #38 in FY2022, #15 in FY2023, #35 in FY2024 and #35 in FY2025; up 16 since FY2020.
55	Curtiss-Wright Electro-Mechanical Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$4,859,604	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
56	Allied Systems Company Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$4,693,959	0.3%	Rank history: #11 in FY2022, #16 in FY2023, #22 in FY2024 and #73 in FY2025; down 36 since FY2020.
57	Warehouse One, Inc. Top agencies USAF (Department of the Air Force)	$4,463,744	0.3%	Rank history: not on the FY2022–FY2024 lists and #75 in FY2025; down 1 since FY2020.
58	Allied Marine Services LLC 2 awardees, including Environmental Systems LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$4,409,204	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Alden Equipment, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$4,344,879	0.3%	Rank history: not on the FY2022–FY2025 lists; up 182 since FY2020.
60	Treen Box & Pallet, Inc. Top agencies DLA (Defense Logistics Agency)	$4,330,531	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
61	Transdigm Group Incorporated 11 awardees, including Telair US LLC, CEF Industries, LLC and Tactair Fluid Controls Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$4,285,869	0.3%	Rank history: not on the FY2022 list, #94 in FY2023 and not on the FY2024–FY2025 lists; up 172 since FY2020.
62	Tribalco LLC Top agencies USAF (Department of the Air Force)	$4,150,261	0.3%	Rank history: not on the FY2022–FY2025 lists; down 8 since FY2020.
63	Science & Technology Corporation Top agencies Army (Department of the Army)	$4,051,874	0.3%	Rank history: #48 in FY2022, #85 in FY2023, #83 in FY2024 and #84 in FY2025; up 3 since FY2020.
64	Gardner Denver Nash LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$3,974,020	0.3%	Rank history: #35 in FY2022, #47 in FY2023 and not on the FY2024–FY2025 lists; up 19 since FY2020.
65	PDI Ground Support Systems, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$3,911,370	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Framaco-Bozdemir Joint Venture LLC Top agencies DOS (Department of State)	$3,744,826	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
67	Integrated Solutions, Inc. Top agencies USDA (Department of Agriculture)	$3,418,440	0.2%	Rank history: #61 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
68	Conveyor Handling Company, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$3,371,064	0.2%	Rank history: not on the FY2022–FY2025 lists; up 117 since FY2020.
69	Federal Resources Supply Company 2 awardees, including Wright Tool Company, LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) DHS (Department of Homeland Security)	$3,327,037	0.2%	Rank history: #62 in FY2022 and not on the FY2023–FY2025 lists; down 35 since FY2020.
70	Triman Industries Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$3,251,206	0.2%	Rank history: #65 in FY2022, #52 in FY2023, #20 in FY2024 and #16 in FY2025; up 114 since FY2020.
71	Johnson Controls Security Solutions LLC 4 awardees, including Johnson Controls Navy Systems, LLC, Tyco Fire Products LP and Johnson Controls Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) SSA (Social Security Administration)	$3,179,437	0.2%	Rank history: #60 in FY2022, #57 in FY2023 and not on the FY2024–FY2025 lists; up 49 since FY2020.
72	W S Darley & Co 2 awardees, including WS Darley & Co Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$3,164,570	0.2%	Rank history: #33 in FY2022, #61 in FY2023, #26 in FY2024 and #55 in FY2025; down 44 since FY2020.
73	Meggitt PLC 9 awardees, including Meggitt Defense Systems, Inc., Meggitt (Uk) Limited and Meggitt Safety Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$3,038,174	0.2%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; up 42 since FY2020.
74	ACE Industries, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$3,033,391	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
75	Landoll Company, LLC Top agencies DLA (Defense Logistics Agency) DOI (Department of the Interior)	$2,966,454	0.2%	Rank history: not on the FY2022–FY2025 lists; down 17 since FY2020.
76	RDO Holdings Co. Through RDO Agriculture Equipment Co Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$2,946,551	0.2%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
77	Herc Leasing Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$2,919,452	0.2%	Rank history: not on the FY2022–FY2025 lists; down 15 since FY2020.
78	Statz Corp Top agencies DLA (Defense Logistics Agency)	$2,866,637	0.2%	Rank history: #84 in FY2022 and not on the FY2023–FY2025 lists; up 23 since FY2020.
79	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$2,844,929	0.2%	Rank history: #41 in FY2022, #76 in FY2023, #67 in FY2024 and #54 in FY2025; up 18 since FY2020.
80	Ampco-Pittsburgh Corporation Through Air & Liquid Systems Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,829,809	0.2%	Rank history: not on the FY2022–FY2025 lists; up 26 since FY2020.
81	Cutter Lumber Products Top agencies DLA (Defense Logistics Agency)	$2,765,448	0.2%	Rank history: #39 in FY2022 and not on the FY2023–FY2025 lists; down 5 since FY2020.
82	Bravo, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOI (Department of the Interior)	$2,763,642	0.2%	Rank history: not on the FY2022–FY2025 lists; up 230 since FY2020.
83	Chant Engineering Co Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$2,761,557	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Peck & Hale, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,735,667	0.2%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
85	DJ Aviations (Fze) Top agencies DLA (Defense Logistics Agency)	$2,689,763	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	Filtration Group Corporation Through Facet (Oklahoma) LLC Top agencies DLA (Defense Logistics Agency)	$2,677,345	0.2%	Rank history: #63 in FY2022, #89 in FY2023 and not on the FY2024–FY2025 lists; up 16 since FY2020.
87	Govage, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,661,387	0.2%	Rank history: not on the FY2022–FY2025 lists; up 251 since FY2020.
88	Advanced Products Services Inc. Top agencies DLA (Defense Logistics Agency)	$2,650,918	0.2%	Rank history: not on the FY2022 list, #90 in FY2023 and not on the FY2024–FY2025 lists; up 76 since FY2020.
89	Omnicell, Inc. Top agencies VA (Department of Veterans Affairs)	$2,644,967	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Top Way for Commercial Services & Car Rent Ltd Top agencies Army (Department of the Army)	$2,625,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Atech Inc. Top agencies USAF (Department of the Air Force)	$2,600,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	B & H International LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$2,589,873	0.2%	Rank history: not on the FY2022–FY2025 lists; up 43 since FY2020.
93	Weckworth Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,582,660	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Lite Cart Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$2,534,285	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	S I T Corporation Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$2,525,061	0.2%	Rank history: #78 in FY2022, #65 in FY2023, #37 in FY2024 and #34 in FY2025; down 2 since FY2020.
96	Kipper Tool Company Top agencies Army (Department of the Army) DOJ (Department of Justice) DLA (Defense Logistics Agency)	$2,459,162	0.2%	Rank history: #77 in FY2022 and not on the FY2023–FY2025 lists; down 48 since FY2020.
97	Cargotec OYJ 3 awardees, including Independent Rough Terrain Center LLC, Macgregor USA Inc. and Hiab USA Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,448,832	0.2%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; down 56 since FY2020.
98	Keystone Fire Protection Co Top agencies DLA (Defense Logistics Agency)	$2,424,324	0.2%	Rank history: not on the FY2022–FY2025 lists; up 85 since FY2020.
99	All-Safe Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$2,423,356	0.2%	Rank history: #76 in FY2022, #80 in FY2023, #69 in FY2024 and #59 in FY2025; up 14 since FY2020.
100	Esco Technologies Inc. 2 awardees, including Vacco Industries Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,412,425	0.2%	Rank history: not on the FY2022–FY2023 lists, #74 in FY2024 and #58 in FY2025; up 93 since FY2020.

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100 of 2,717 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 3339

Code	Net obligations	Largest contractor
33392 Material Handling Equipment Manufacturing	$593,819,914	Advantaged Solutions, LLC
33399 All Other General Purpose Machinery Manufacturing	$555,011,377	Tencate Advanced Composites USA Inc.
333999 All Other Miscellaneous General Purpose Machinery Manufacturing	$329,652,904	Tencate Advanced Composites USA Inc.
33391 Pump and Compressor Manufacturing	$217,906,251	Isometrics Inc.
333997 Scale and Balance Manufacturing	$12,332,738	Textron 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 $1.46 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.
Fiscal year 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 3339 contractors in FY2021?

1. Isometrics Inc. ($75.3M), 2. Advantaged Solutions, LLC ($65.5M), 3. Leonardo S.p.A. ($65.3M), 4. Konecranes Inc ($49.2M), 5. Tencate Advanced Composites USA Inc. ($45.4M), 6. J Kokolakis Contracting Inc. ($44.6M), 7. RTX Corporation ($34.5M), 8. Hyster-Yale Group Inc. ($28.8M), 9. Leading Technology Composites Inc. ($25.6M), 10. Sealite Usa, LLC ($22.2M).

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