Top 100 Contractors in NAICS 333914: Measuring, Dispensing, and Other Pumping Equipment Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 333914: Measuring, Dispensing, and Other Pumping Equipment 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 333914 contract dollars

Contract obligations: $145,045,742 Net of deobligations, by contracts coded NAICS 333914
Contractors: 433 Parent companies with an obligation
Largest contractor: Isometrics Inc. $75.3 million, 51.5% 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	51.5%	Rank history: #1 in FY2022, #17 in FY2023, #26 in FY2024 and #49 in FY2025; unchanged since FY2020.
2	Heil Trailer International LLC Top agencies Army (Department of the Army)	$14,752,432	10.1%	Rank history: #5 in FY2022, #1 in FY2023, #4 in FY2024 and #5 in FY2025; unchanged since FY2020.
3	RIX Industries Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$6,312,489	4.3%	Rank history: #3 in FY2022, #4 in FY2023, #1 in FY2024 and #3 in FY2025; up 3 since FY2020.
4	Curtiss-Wright Electro-Mechanical Corp Top agencies Navy (Department of the Navy)	$4,742,432	3.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
5	Warren Pumps LLC Through Circor Naval Solutions LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,876,055	2.0%	Rank history: #6 in FY2022 and not on the FY2023–FY2025 lists; unchanged since FY2020.
6	Hydraulics International, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$2,852,685	1.9%	Rank history: #44 in FY2022, #93 in FY2023, #47 in FY2024 and #16 in FY2025; up 22 since FY2020.
7	F3 Solutions LLC Top agencies USAF (Department of the Air Force)	$2,386,051	1.6%	Rank history: not on the FY2022 list, #14 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
8	RTX Corporation 2 awardees, including Hamilton Sundstrand Corporation and Goodrich Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,751,643	1.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
9	Gardner Denver Nash LLC Top agencies Navy (Department of the Navy)	$1,614,177	1.1%	Rank history: #2 in FY2022, #7 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
10	Graham Corp 2 awardees, including Barber-Nichols, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,583,263	1.1%	Rank history: #24 in FY2022, #28 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
11	Meggitt PLC 2 awardees, including Meggitt Defense Systems, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,478,844	1.0%	Rank history: #11 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
12	Syn-Tech System, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,098,452	0.8%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; up 12 since FY2020.
13	W S Darley & Co 2 awardees, including WS Darley & Co Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,097,121	0.7%	Rank history: #8 in FY2022, #12 in FY2023, #6 in FY2024 and #17 in FY2025; new, not ranked in FY2020.
14	Phoenix Pumps Inc. Top agencies DOI (Department of the Interior)	$1,006,327	0.7%	Rank history: #7 in FY2022, #29 in FY2023, not on the FY2024 list and #62 in FY2025; up 2 since FY2020.
15	Ampco-Pittsburgh Corporation Through Air & Liquid Systems Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$899,505	0.6%	Rank history: #63 in FY2022 and not on the FY2023–FY2025 lists; down 2 since FY2020.
16	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$736,906	0.5%	Rank history: #13 in FY2022, #15 in FY2023, #20 in FY2024 and #8 in FY2025; up 9 since FY2020.
17	Millennium Systems International, LLC Top agencies USAF (Department of the Air Force)	$640,035	0.4%	Rank history: #50 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2020.
18	Curtiss-Wright Corporation 2 awardees, including Curtiss-Wright Electro-Mechanical Corp Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$604,419	0.4%	Rank history: #9 in FY2022, #2 in FY2023, #7 in FY2024 and not on the FY2025 list; up 21 since FY2020.
19	A-Dec Inc. Top agencies VA (Department of Veterans Affairs)	$517,605	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
20	Waterax Corporation Top agencies USDA (Department of Agriculture)	$515,494	0.4%	Rank history: not on the FY2022–FY2025 lists; up 93 since FY2020.
21	Fairbanks Morse LLC Top agencies Navy (Department of the Navy)	$482,317	0.3%	Rank history: not on the FY2022–FY2023 lists, #60 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
22	Sims Pump Valve Co, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$434,611	0.3%	Rank history: #55 in FY2022, #52 in FY2023, #49 in FY2024 and #65 in FY2025; up 41 since FY2020.
23	Airtronics, LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$417,900	0.3%	Rank history: #43 in FY2022 and not on the FY2023–FY2025 lists; up 4 since FY2020.
24	Sulzer AG Through Sulzer Pump Services US Inc. Top agencies Army (Department of the Army)	$412,313	0.3%	Rank history: #88 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
25	MDM Mac Enterprises Inc. Top agencies DHS (Department of Homeland Security)	$384,553	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
26	Air Logistics Corporation Top agencies USAF (Department of the Air Force)	$381,293	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
27	Aktio Corporation Top agencies Navy (Department of the Navy)	$380,000	0.3%	Rank history: not on the FY2022 list, #91 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
28	L3Harris Technologies, Inc. 3 awardees, including L3 Technologies, Inc. Top agencies Navy (Department of the Navy)	$377,225	0.3%	Rank history: not on the FY2022–FY2023 lists, #59 in FY2024 and not on the FY2025 list; up 111 since FY2020.
29	Empire Pump Corp Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture)	$375,183	0.3%	Rank history: not on the FY2022–FY2025 lists; up 3 since FY2020.
30	Lockheed Martin Corporation 2 awardees Top agencies Navy (Department of the Navy)	$356,817	0.2%	Rank history: not on the FY2022 list, #35 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
31	Colfax Corporation Through IMO Industries Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$356,223	0.2%	Rank history: #42 in FY2022, #3 in FY2023, #8 in FY2024 and not on the FY2025 list; up 20 since FY2020.
32	Allied Defense Industries Inc. 2 awardees, including Allied Marine Services LLC Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$337,745	0.2%	Rank history: #54 in FY2022, #37 in FY2023, #88 in FY2024 and not on the FY2025 list; down 2 since FY2020.
33	Rolls-Royce Military Aero Engines Ltd Through Rolls-Royce Marine North America Inc. Top agencies Navy (Department of the Navy)	$315,727	0.2%	Rank history: #76 in FY2022, #76 in FY2023 and not on the FY2024–FY2025 lists; down 21 since FY2020.
34	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$305,230	0.2%	Rank history: #74 in FY2022, #70 in FY2023, #38 in FY2024 and #32 in FY2025; up 163 since FY2020.
35	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$305,004	0.2%	Rank history: #28 in FY2022, #19 in FY2023, #21 in FY2024 and #13 in FY2025; up 25 since FY2020.
36	Eaton Corporation 3 awardees, including Eaton Aerospace, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$304,184	0.2%	Rank history: #87 in FY2022, #25 in FY2023, #25 in FY2024 and #70 in FY2025; up 282 since FY2020.
37	Fort Peck Manufacturing Inc & West Electronics Inc Joint Venture II Top agencies Army (Department of the Army)	$302,203	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
38	Way Point Commercial Broker L.l.c Top agencies USAF (Department of the Air Force)	$300,113	0.2%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
39	Reiner Pump Systems Inc. Top agencies Army (Department of the Army)	$282,500	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	General Dynamics Corporation 2 awardees, including Electric Boat Corporation and General Dynamics European Land Systems-Bridge Systems GMBH Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$273,647	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
41	Carver Pump Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$271,252	0.2%	Rank history: #20 in FY2022, #5 in FY2023, #5 in FY2024 and #4 in FY2025; down 15 since FY2020.
42	Heico Aerospace Corporat 2 awardees, including Rocky Mountain Hydrostatics, LLC and Blue Aerospace LLC Top agencies Navy (Department of the Navy)	$266,000	0.2%	Rank history: #97 in FY2022, not on the FY2023 list, #86 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
43	B & H International LLC Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$265,425	0.2%	Rank history: #91 in FY2022 and not on the FY2023–FY2025 lists; up 184 since FY2020.
44	Leonardo S.p.A. Through DRS Sustainment Systems, Inc. Top agencies Army (Department of the Army)	$263,040	0.2%	Rank history: #39 in FY2022, not on the FY2023–FY2024 lists and #82 in FY2025; down 41 since FY2020.
45	S I T Corporation Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$249,716	0.2%	Rank history: #30 in FY2022, #41 in FY2023, #34 in FY2024 and #15 in FY2025; up 116 since FY2020.
46	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$242,253	0.2%	Rank history: #21 in FY2022, #65 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
47	Fulton Supply Company Top agencies DLA (Defense Logistics Agency)	$229,501	0.2%	Rank history: not on the FY2022–FY2025 lists; up 35 since FY2020.
48	Mans Trading and Contracting Top agencies USAF (Department of the Air Force)	$226,240	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Brandamar, Inc. Top agencies DLA (Defense Logistics Agency)	$208,065	0.1%	Rank history: not on the FY2022 list, #8 in FY2023, #53 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
50	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency)	$196,117	0.1%	Rank history: not on the FY2022–FY2025 lists; down 13 since FY2020.
51	Resion LLC Top agencies Navy (Department of the Navy)	$194,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
52	Federal Resources Supply Company Top agencies DLA (Defense Logistics Agency)	$190,764	0.1%	Rank history: #56 in FY2022, #100 in FY2023 and not on the FY2024–FY2025 lists; up 43 since FY2020.
53	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$190,572	0.1%	Rank history: #33 in FY2022, #32 in FY2023 and not on the FY2024–FY2025 lists; up 82 since FY2020.
54	Beta Fueling Systems LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$182,593	0.1%	Rank history: not on the FY2022–FY2025 lists; up 53 since FY2020.
55	Allied Marine Services LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$175,516	0.1%	Rank history: #48 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
56	Dover Corporation Through Dover Pumps & Process Solutions Segment Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$165,621	0.1%	Rank history: not on the FY2022 list, #26 in FY2023 and not on the FY2024–FY2025 lists; down 42 since FY2020.
57	Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$158,399	0.1%	Rank history: not on the FY2022–FY2023 lists, #94 in FY2024 and #35 in FY2025; new, not ranked in FY2020.
58	Dredge Constructors LLC Top agencies Army (Department of the Army)	$156,485	0.1%	Rank history: not on the FY2022–FY2023 lists, #11 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
59	Filter Products Corporation Top agencies DLA (Defense Logistics Agency)	$155,185	0.1%	Rank history: not on the FY2022 list, #97 in FY2023, not on the FY2024 list and #99 in FY2025; unchanged since FY2020.
60	B & P Consort, Inc. Top agencies Army (Department of the Army)	$153,475	0.1%	Rank history: not on the FY2022–FY2025 lists; up 168 since FY2020.
61	PKJ International LLC Top agencies Army (Department of the Army) Commerce (Department of Commerce)	$153,386	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Pacific Consolidated Industries LLC Top agencies Navy (Department of the Navy)	$151,400	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	Johnson & Towers Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$149,394	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	Magic Valley Heli-Arc & Mfg., Inc. Top agencies DOI (Department of the Interior)	$144,830	0.1%	Rank history: not on the FY2022–FY2025 lists; down 21 since FY2020.
65	JWI Capital LLC Through The W.h. Smith Hardware Company Top agencies DLA (Defense Logistics Agency)	$143,992	0.1%	Rank history: not on the FY2022–FY2025 lists; up 104 since FY2020.
66	Tencarva Holdings I, Inc. Through Tencarva Machinery Company, LLC Top agencies Navy (Department of the Navy)	$142,371	0.1%	Rank history: not on the FY2022 list, #88 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
67	Red Orange North America Inc. Top agencies DOS (Department of State) Navy (Department of the Navy)	$137,322	0.1%	Rank history: not on the FY2022–FY2025 lists; up 18 since FY2020.
68	Eddy Pump Corporation Top agencies Navy (Department of the Navy)	$135,000	0.1%	Rank history: #35 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; down 26 since FY2020.
69	Brax Co Inc. Top agencies DHS (Department of Homeland Security)	$128,700	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	Cogent, Inc. Top agencies DOI (Department of the Interior)	$126,047	0.1%	Rank history: not on the FY2022–FY2025 lists; down 3 since FY2020.
71	All-Safe Inc. Top agencies DLA (Defense Logistics Agency)	$125,026	0.1%	Rank history: #14 in FY2022, #18 in FY2023, #24 in FY2024 and #20 in FY2025; up 28 since FY2020.
72	Walden Consulting, LLC Top agencies NASA (National Aeronautics and Space Administration)	$121,160	0.1%	Rank history: not on the FY2022–FY2025 lists; up 105 since FY2020.
73	Aantilia LLC Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration) DHS (Department of Homeland Security)	$118,362	0.1%	Rank history: not on the FY2022–FY2024 lists and #53 in FY2025; up 39 since FY2020.
74	17 Machinery LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$117,241	0.1%	Rank history: #64 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
75	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$114,470	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	Mersino Dewatering, Inc. Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$114,254	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
77	Oil States Industries Inc Top agencies Navy (Department of the Navy)	$108,957	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
78	Houston Dynamic Service, Inc. Top agencies Army (Department of the Army)	$106,505	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	Fotronic Corporation Top agencies Navy (Department of the Navy)	$105,360	0.1%	Rank history: not on the FY2022–FY2024 lists and #30 in FY2025; new, not ranked in FY2020.
80	Integrated Procurement Technologies Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$104,348	0.1%	Rank history: #15 in FY2022, #75 in FY2023, #41 in FY2024 and #98 in FY2025; new, not ranked in FY2020.
81	Statz Corp Top agencies DLA (Defense Logistics Agency)	$104,250	0.1%	Rank history: #52 in FY2022 and not on the FY2023–FY2025 lists; up 154 since FY2020.
82	Federal Contracts LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$103,959	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$101,353	0.1%	Rank history: #46 in FY2022, not on the FY2023 list, #89 in FY2024 and not on the FY2025 list; up 142 since FY2020.
84	Allied Tools, Inc. Top agencies DLA (Defense Logistics Agency)	$101,194	0.1%	Rank history: not on the FY2022–FY2025 lists; up 16 since FY2020.
85	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$100,832	0.1%	Rank history: #4 in FY2022, #9 in FY2023, #10 in FY2024 and #6 in FY2025; down 41 since FY2020.
86	Vessco, Inc. Through Kennedy Industries, Inc. Top agencies USAF (Department of the Air Force)	$97,232	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
87	N-Tegrity Systems LLC Top agencies DLA (Defense Logistics Agency)	$93,875	0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; up 147 since FY2020.
88	Coffin Turbo Pump Inc Top agencies Navy (Department of the Navy)	$93,436	0.1%	Rank history: not on the FY2022–FY2025 lists; down 53 since FY2020.
89	High Purity Northwest, Inc. Top agencies Army (Department of the Army)	$92,697	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Ray Blackman Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$89,985	0.1%	Rank history: #90 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
91	Triangle Pump & Equipment, Inc. Top agencies Army (Department of the Army)	$88,350	0.1%	Rank history: not on the FY2022–FY2025 lists; up 177 since FY2020.
92	Expotech U.s.a., Inc. Top agencies DLA (Defense Logistics Agency)	$88,150	0.1%	Rank history: not on the FY2022–FY2025 lists; up 61 since FY2020.
93	Stinar Corporation Top agencies Navy (Department of the Navy)	$87,700	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Tampa Armature Works, Inc. Through Taw Orlando Service Center, Inc. Top agencies VA (Department of Veterans Affairs)	$86,380	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	Motion & Flow Control Products, Inc. Top agencies DOI (Department of the Interior)	$86,150	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Mohave Sales Group, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$85,773	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Nidaz LLC Top agencies DHS (Department of Homeland Security)	$84,000	0.1%	Rank history: not on the FY2022–FY2025 lists; down 48 since FY2020.
98	Mary Helen Parkey Top agencies DHS (Department of Homeland Security)	$82,400	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Weems Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$79,928	0.1%	Rank history: not on the FY2022–FY2025 lists; down 21 since FY2020.
100	Smiths Group PLC Through John Crane, Inc. Top agencies DLA (Defense Logistics Agency)	$77,374	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 433 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 $146 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 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 333914 contractors in FY2021?

1. Isometrics Inc. ($75.3M), 2. Heil Trailer International LLC ($14.8M), 3. RIX Industries ($6.31M), 4. Curtiss-Wright Electro-Mechanical Corp ($4.74M), 5. Warren Pumps LLC ($2.88M), 6. Hydraulics International, Inc. ($2.85M), 7. F3 Solutions LLC ($2.39M), 8. RTX Corporation ($1.75M), 9. Gardner Denver Nash LLC ($1.61M), 10. Graham Corp ($1.58M).

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