Top 100 Contractors in NAICS 33621: Motor Vehicle Body and Trailer Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 33621: Motor Vehicle Body and Trailer Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 78% of FY2021 NAICS 33621 contract dollars

Contract obligations: $1,177,026,087 Net of deobligations, by contracts coded NAICS 33621 or a code under it
Contractors: 579 Parent companies with an obligation
Largest contractor: Oshkosh Corp $700 million, 56.4% 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	Oshkosh Corp 4 awardees, including Oshkosh Defense LLC, Oshkosh Airport Products LLC and Pierce Manufacturing Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$699,731,115	56.4%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; up 1 since FY2020.
2	BAE Systems Land & Armaments L.P. 4 awardees Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$78,879,936	6.4%	Rank history: #63 in FY2022 and not on the FY2023–FY2025 lists; up 149 since FY2020.
3	Rev Group, Inc. 4 awardees, including Rev Ambulance Group Orlando, Inc., E-One, Inc. and Kovatch Mobile Equipment Corp. Top agencies GSA (General Services Administration) DLA (Defense Logistics Agency)	$50,990,305	4.1%	Rank history: #3 in FY2022, #5 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
4	Stephens Pneumatics, Inc. Top agencies GSA (General Services Administration)	$25,715,014	2.1%	Rank history: #8 in FY2022, #51 in FY2023, #16 in FY2024 and #8 in FY2025; up 2 since FY2020.
5	BAE Systems PLC 3 awardees, including BAE Systems Land & Armaments L.P. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$22,913,194	1.8%	Rank history: #2 in FY2022, #3 in FY2023, #3 in FY2024 and #33 in FY2025; down 4 since FY2020.
6	Blue Bird Body Company Top agencies GSA (General Services Administration)	$20,745,916	1.7%	Rank history: #20 in FY2022, #4 in FY2023, #5 in FY2024 and not on the FY2025 list; up 10 since FY2020.
7	Hunter Defense Technolog Through HDT Expeditionary Systems Inc. Top agencies USAF (Department of the Air Force)	$19,116,018	1.5%	Rank history: #32 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
8	Global Enterprise, Inc. Top agencies GSA (General Services Administration) DOI (Department of the Interior) Army (Department of the Army)	$18,315,133	1.5%	Rank history: #23 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
9	Dad's Camper Outlet, LLC Top agencies DHS (Department of Homeland Security)	$16,769,298	1.4%	Rank history: #6 in FY2022, #31 in FY2023, not on the FY2024 list and #81 in FY2025; new, not ranked in FY2020.
10	Rosenbauer Beteiligungsverwaltung GMBH Through Rosenbauer America LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$16,271,869	1.3%	Rank history: #10 in FY2022, #12 in FY2023, #12 in FY2024 and not on the FY2025 list; down 6 since FY2020.
11	K Neal Holdings Inc Through K Neal International Trucks Inc. Top agencies GSA (General Services Administration)	$16,219,338	1.3%	Rank history: #16 in FY2022, #24 in FY2023, #26 in FY2024 and not on the FY2025 list; up 130 since FY2020.
12	Talbert Manufacturing Inc. Top agencies Army (Department of the Army)	$16,126,993	1.3%	Rank history: #5 in FY2022, #11 in FY2023, #14 in FY2024 and #7 in FY2025; down 9 since FY2020.
13	American Growler Inc. Through Carolina Growler Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$13,338,647	1.1%	Rank history: not on the FY2022 list, #26 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
14	Model 1 Commercial Vehicles, Inc. Top agencies GSA (General Services Administration)	$11,950,691	1.0%	Rank history: #18 in FY2022, #9 in FY2023, #23 in FY2024 and not on the FY2025 list; up 5 since FY2020.
15	Isometrics Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security) Army (Department of the Army)	$10,251,205	0.8%	Rank history: #27 in FY2022, #19 in FY2023, #10 in FY2024 and #4 in FY2025; up 2 since FY2020.
16	Nabi Parts LLC 2 awardees, including Motor Coach Industries, Inc. Top agencies GSA (General Services Administration)	$6,607,317	0.5%	Rank history: #7 in FY2022, #7 in FY2023 and not on the FY2024–FY2025 lists; up 48 since FY2020.
17	Am General LLC 2 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$6,373,501	0.5%	Rank history: #11 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; new, not ranked in FY2020.
18	Frontrunner Bus Group, Inc. Top agencies GSA (General Services Administration)	$6,278,339	0.5%	Rank history: #36 in FY2022, #27 in FY2023, #33 in FY2024 and #27 in FY2025; new, not ranked in FY2020.
19	Lifeline Mobile Inc. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) GSA (General Services Administration)	$6,212,279	0.5%	Rank history: #25 in FY2022, #59 in FY2023, #46 in FY2024 and #43 in FY2025; up 9 since FY2020.
20	Nomad Global Communication Solutions, Incorporated Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) Army (Department of the Army)	$6,015,826	0.5%	Rank history: #17 in FY2022, #17 in FY2023, #15 in FY2024 and not on the FY2025 list; down 5 since FY2020.
21	Schutt Industries of Clintonville, Wis., Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,846,700	0.5%	Rank history: #21 in FY2022, #8 in FY2023, #4 in FY2024 and #6 in FY2025; down 8 since FY2020.
22	Boise Mobile Equipment, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$5,662,454	0.5%	Rank history: #15 in FY2022, #28 in FY2023 and not on the FY2024–FY2025 lists; down 8 since FY2020.
23	Fleet Vehicle Source Inc. Top agencies GSA (General Services Administration)	$5,567,720	0.4%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
24	Aarcorp Through AAR Manufacturing, Inc. Top agencies USAF (Department of the Air Force)	$5,515,435	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
25	Farber Specialty Vehicles, Inc. Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security) DOJ (Department of Justice)	$5,156,926	0.4%	Rank history: #22 in FY2022, #94 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
26	Phenix Enterprises, Inc. Top agencies USDA (Department of Agriculture)	$4,202,489	0.3%	Rank history: #26 in FY2022, not on the FY2023 list, #25 in FY2024 and #20 in FY2025; down 1 since FY2020.
27	AB Volvo Through Mack Defense LLC Top agencies GSA (General Services Administration) USDA (Department of Agriculture)	$3,506,142	0.3%	Rank history: #44 in FY2022, #79 in FY2023 and not on the FY2024–FY2025 lists; up 110 since FY2020.
28	Cotton Commercial Usa, Inc. Top agencies DHS (Department of Homeland Security)	$3,109,522	0.3%	Rank history: not on the FY2022–FY2025 lists; down 16 since FY2020.
29	Sonny Merryman, Inc. Top agencies GSA (General Services Administration)	$2,847,423	0.2%	Rank history: #24 in FY2022, #13 in FY2023, #30 in FY2024 and #31 in FY2025; up 7 since FY2020.
30	Air Products and Chemicals, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$2,495,060	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
31	Consolidated Trailers, Inc. Top agencies GSA (General Services Administration) DLA (Defense Logistics Agency) USDA (Department of Agriculture)	$2,374,154	0.2%	Rank history: not on the FY2022 list, #40 in FY2023, #29 in FY2024 and not on the FY2025 list; up 7 since FY2020.
32	Cargotec OYJ Through Independent Rough Terrain Center LLC Top agencies DLA (Defense Logistics Agency)	$2,252,485	0.2%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
33	Medfinity LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DOI (Department of the Interior)	$1,655,453	0.1%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; up 113 since FY2020.
34	E-N-G Mobile Systems Inc. Top agencies DOL (Department of Labor) Army (Department of the Army) EPA (Environmental Protection Agency)	$1,616,075	0.1%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
35	Certified Stainless Service Inc. Top agencies DOI (Department of the Interior) GSA (General Services Administration) DOE (Department of Energy)	$1,447,414	0.1%	Rank history: #4 in FY2022, #6 in FY2023, #8 in FY2024 and #25 in FY2025; up 8 since FY2020.
36	Pierce Manufacturing Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,419,740	0.1%	Rank history: not on the FY2022–FY2025 lists; down 18 since FY2020.
37	GTA Containers, Inc. Top agencies DLA (Defense Logistics Agency)	$1,232,304	0.1%	Rank history: #37 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
38	Rohrer Enterprises, LLC Top agencies GSA (General Services Administration)	$1,214,605	0.1%	Rank history: #46 in FY2022, #23 in FY2023, #75 in FY2024 and not on the FY2025 list; down 9 since FY2020.
39	Diamond Truck Body Manufacturing, Inc. Top agencies USDA (Department of Agriculture)	$1,125,000	0.1%	Rank history: not on the FY2022–FY2023 lists, #42 in FY2024 and not on the FY2025 list; up 70 since FY2020.
40	Sun Camper Liquidators Limited Liability Company Top agencies DHS (Department of Homeland Security)	$1,124,604	0.1%	Rank history: #35 in FY2022 and not on the FY2023–FY2025 lists; up 352 since FY2020.
41	Sunbelt Design & Development, Inc. Top agencies Navy (Department of the Navy)	$1,040,840	0.1%	Rank history: not on the FY2022–FY2025 lists; down 17 since FY2020.
42	Gerling & Associates, Inc. Top agencies GSA (General Services Administration) DHS (Department of Homeland Security)	$1,030,061	0.1%	Rank history: not on the FY2022 list, #25 in FY2023, #45 in FY2024 and #22 in FY2025; down 15 since FY2020.
43	Futurebud International Co., Ltd. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$985,930	0.1%	Rank history: not on the FY2022–FY2023 lists, #73 in FY2024 and not on the FY2025 list; up 138 since FY2020.
44	PDI Ground Support Systems, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$980,220	0.1%	Rank history: not on the FY2022–FY2025 lists; up 433 since FY2020.
45	Clegg Industries Inc. Top agencies DOT (Department of Transportation) USDA (Department of Agriculture)	$778,381	0.1%	Rank history: not on the FY2022 list, #54 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
46	Colonial Equipment Company Top agencies GSA (General Services Administration)	$765,166	0.1%	Rank history: #29 in FY2022, #29 in FY2023, #53 in FY2024 and #54 in FY2025; down 9 since FY2020.
47	Globe Trailer Manufacturing, Inc. Top agencies Army (Department of the Army) DOJ (Department of Justice) USDA (Department of Agriculture)	$747,074	0.1%	Rank history: not on the FY2022–FY2024 lists and #45 in FY2025; up 26 since FY2020.
48	Nippon Trex Co. Ltd. Top agencies Navy (Department of the Navy)	$747,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	MCT Industries, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$746,761	0.1%	Rank history: #48 in FY2022, not on the FY2023 list, #62 in FY2024 and #41 in FY2025; up 41 since FY2020.
50	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$711,902	0.1%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; up 84 since FY2020.
51	Cryogenic Industrial Solutions LLC Top agencies NASA (National Aeronautics and Space Administration)	$681,169	0.1%	Rank history: not on the FY2022–FY2025 lists; down 9 since FY2020.
52	Toyota Gibraltar Stockholdings Ltd Top agencies DOS (Department of State)	$633,803	0.1%	Rank history: #43 in FY2022, #37 in FY2023 and not on the FY2024–FY2025 lists; up 1 since FY2020.
53	Argent World Services LLC Top agencies DOJ (Department of Justice)	$633,101	0.1%	Rank history: #73 in FY2022, #92 in FY2023 and not on the FY2024–FY2025 lists; up 23 since FY2020.
54	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$590,267	<0.1%	Rank history: #86 in FY2022, #53 in FY2023 and not on the FY2024–FY2025 lists; up 154 since FY2020.
55	EMI Technologies, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$579,376	<0.1%	Rank history: #50 in FY2022 and not on the FY2023–FY2025 lists; down 10 since FY2020.
56	Phoenix Contracting LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$561,765	<0.1%	Rank history: not on the FY2022 list, #74 in FY2023 and not on the FY2024–FY2025 lists; down 25 since FY2020.
57	Federal Contracts LLC Top agencies Army (Department of the Army) DOI (Department of the Interior) USDA (Department of Agriculture)	$556,754	<0.1%	Rank history: #51 in FY2022, #72 in FY2023, #99 in FY2024 and #59 in FY2025; up 47 since FY2020.
58	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$552,933	<0.1%	Rank history: #96 in FY2022, #75 in FY2023, #84 in FY2024 and not on the FY2025 list; up 9 since FY2020.
59	American Material Handling, Inc. Top agencies DOE (Department of Energy) Army (Department of the Army) DHS (Department of Homeland Security)	$544,513	<0.1%	Rank history: #61 in FY2022, not on the FY2023 list, #81 in FY2024 and not on the FY2025 list; up 117 since FY2020.
60	Overseas Hardwoods Co Inc. Top agencies DLA (Defense Logistics Agency)	$526,414	<0.1%	Rank history: #38 in FY2022 and not on the FY2023–FY2025 lists; up 196 since FY2020.
61	Mcclarin Plastics, LLC Top agencies DLA (Defense Logistics Agency)	$526,172	<0.1%	Rank history: #62 in FY2022, #82 in FY2023, #69 in FY2024 and #99 in FY2025; down 7 since FY2020.
62	Skymark Refuelers LLC Top agencies GSA (General Services Administration) Army (Department of the Army)	$486,384	<0.1%	Rank history: #75 in FY2022, not on the FY2023–FY2024 lists and #19 in FY2025; down 14 since FY2020.
63	Trail-Eze, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army) DOE (Department of Energy)	$468,432	<0.1%	Rank history: #79 in FY2022, #71 in FY2023 and not on the FY2024–FY2025 lists; up 64 since FY2020.
64	Midway Trailers, Inc. Top agencies DOJ (Department of Justice) USAF (Department of the Air Force) GSA (General Services Administration)	$463,499	<0.1%	Rank history: #45 in FY2022, #36 in FY2023, #41 in FY2024 and #48 in FY2025; down 23 since FY2020.
65	Bravo, Inc. Top agencies DOI (Department of the Interior) VA (Department of Veterans Affairs)	$463,365	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 54 since FY2020.
66	Landoll Company, LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$438,613	<0.1%	Rank history: #53 in FY2022, not on the FY2023 list, #38 in FY2024 and #39 in FY2025; down 17 since FY2020.
67	Statz Corp Top agencies DLA (Defense Logistics Agency)	$429,898	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 101 since FY2020.
68	R M T Co., Ltd. Top agencies DOS (Department of State)	$405,250	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Connecticut Trailers, Inc. Top agencies USDA (Department of Agriculture) Army (Department of the Army) DOI (Department of the Interior)	$386,836	<0.1%	Rank history: #66 in FY2022, #49 in FY2023, #58 in FY2024 and #83 in FY2025; up 19 since FY2020.
70	Underground Pipeline Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$377,442	<0.1%	Rank history: not on the FY2022–FY2023 lists, #95 in FY2024 and not on the FY2025 list; up 65 since FY2020.
71	Rush Enterprises, Inc. Through Rush Truck Centers of New Mexico Inc. Top agencies GSA (General Services Administration)	$361,500	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	Semtrc, LLC Top agencies Army (Department of the Army)	$359,140	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	U.s. Fire Equipment, L.l.c Top agencies Army (Department of the Army)	$351,801	<0.1%	Rank history: #60 in FY2022, #70 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
74	Janels Industries Inc. Top agencies DLA (Defense Logistics Agency)	$351,089	<0.1%	Rank history: #70 in FY2022, #56 in FY2023, #54 in FY2024 and #55 in FY2025; down 5 since FY2020.
75	Pines Quality Inc. Top agencies DLA (Defense Logistics Agency)	$350,498	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	Technology International Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture) DOI (Department of the Interior)	$344,389	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
77	Steris Corporation Top agencies VA (Department of Veterans Affairs)	$330,519	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 37 since FY2020.
78	Fiba Technologies Inc. Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$323,250	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 70 since FY2020.
79	Siegfried Consultants LLC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture) USSOCOM (United States Special Operations Command)	$322,440	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 14 since FY2020.
80	Interface, Incorporated Top agencies DOI (Department of the Interior) DOJ (Department of Justice)	$321,418	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 21 since FY2020.
81	Government of Canada Through Canadian Commercial Corporation Top agencies Navy (Department of the Navy)	$318,699	<0.1%	Rank history: not on the FY2022 list, #69 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
82	HDT International Holdings Inc. Through Hunter Defense Technologies, Inc. Top agencies DOT (Department of Transportation)	$307,522	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Scott Heavy Equipment, Inc. Top agencies DLA (Defense Logistics Agency)	$298,947	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 92 since FY2020.
84	Apollo Sunguard Systems Inc. Top agencies GSA (General Services Administration) DOT (Department of Transportation) DHS (Department of Homeland Security)	$293,289	<0.1%	Rank history: #31 in FY2022, #65 in FY2023, #37 in FY2024 and #52 in FY2025; up 28 since FY2020.
85	Greene Metal Products, Inc. Top agencies DLA (Defense Logistics Agency)	$280,111	<0.1%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; up 53 since FY2020.
86	Charoenyontrakarn Company Limited Top agencies DOS (Department of State) DOJ (Department of Justice)	$272,226	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 211 since FY2020.
87	Brighton Cromwell LLC Top agencies DLA (Defense Logistics Agency)	$270,184	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
88	Aantilia LLC Top agencies DOI (Department of the Interior) Army (Department of the Army) USDA (Department of Agriculture)	$265,684	<0.1%	Rank history: not on the FY2022 list, #62 in FY2023, #96 in FY2024 and #66 in FY2025; new, not ranked in FY2020.
89	Ruger Trailers LLC Top agencies DHS (Department of Homeland Security)	$261,058	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$259,977	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 26 since FY2020.
91	Piedmont Stone Center PLLC Top agencies VA (Department of Veterans Affairs)	$246,107	<0.1%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
92	Ldv, Inc. Top agencies Navy (Department of the Navy)	$244,005	<0.1%	Rank history: not on the FY2022–FY2024 lists and #74 in FY2025; up 4 since FY2020.
93	Germfree Laboratories, LLC Top agencies VA (Department of Veterans Affairs)	$242,250	<0.1%	Rank history: #56 in FY2022, #93 in FY2023 and not on the FY2024–FY2025 lists; down 14 since FY2020.
94	Western Sales & Testing of Amarillo Inc. Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$238,362	<0.1%	Rank history: #72 in FY2022 and not on the FY2023–FY2025 lists; up 38 since FY2020.
95	Jdci Enterprises, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) DOI (Department of the Interior)	$232,970	<0.1%	Rank history: #52 in FY2022, #76 in FY2023, #72 in FY2024 and #62 in FY2025; down 49 since FY2020.
96	Buckshot Racing,Inc. Top agencies DOI (Department of the Interior)	$230,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Masters Transportation Incorporated Through Master's Transportation, Inc. Top agencies GSA (General Services Administration)	$227,242	<0.1%	Rank history: not on the FY2022 list, #47 in FY2023, #74 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
98	Ftmobility LLC Top agencies VA (Department of Veterans Affairs)	$226,455	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 251 since FY2020.
99	Tactical & Survival Specialties, LLC Top agencies Army (Department of the Army)	$223,013	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	Beaverfit North America LLC Top agencies Army (Department of the Army)	$220,997	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 42 since FY2020.

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100 of 579 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33621

Code	Net obligations	Largest contractor
336212 Truck Trailer Manufacturing	$757,471,941	Oshkosh Corp
336211 Motor Vehicle Body Manufacturing	$391,754,876	BAE Systems Land & Armaments L.P.
336214 Travel Trailer and Camper Manufacturing	$26,998,943	Dad's Camper Outlet, 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 $1.24 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 33621 contractors in FY2021?

1. Oshkosh Corp ($700M), 2. BAE Systems Land & Armaments L.P. ($78.9M), 3. Rev Group, Inc. ($51M), 4. Stephens Pneumatics, Inc. ($25.7M), 5. BAE Systems PLC ($22.9M), 6. Blue Bird Body Company ($20.7M), 7. Hunter Defense Technolog ($19.1M), 8. Global Enterprise, Inc. ($18.3M), 9. Dad's Camper Outlet, LLC ($16.8M), 10. Rosenbauer Beteiligungsverwaltung GMBH ($16.3M).

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