Top 100 Contractors in NAICS 3324: Boiler, Tank, and Shipping Container Manufacturing, FY2023

Name: Top 100 Contractors in NAICS 3324: Boiler, Tank, and Shipping Container Manufacturing, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 93% of FY2023 NAICS 3324 contract dollars

Contract obligations: $1,994,543,149 Net of deobligations, by contracts coded NAICS 3324 or a code under it
Contractors: 724 Parent companies with an obligation
Largest contractor: Bechtel Corp $1.43 billion, 70.6% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Bechtel Corp Through Bechtel Plant Machinery, Inc. Top agencies Navy (Department of the Navy)	$1,429,547,739	70.6%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	Conco, Inc. Top agencies Army (Department of the Army)	$268,406,699	13.2%	Rank history: #22 in FY2021, #4 in FY2022, #2 in FY2024 and #2 in FY2025; up 2 since FY2022.
3	BOH Environmental, L.L.C. 2 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$71,769,269	3.5%	Rank history: #3 in FY2021, #3 in FY2022, #3 in FY2024 and #3 in FY2025; unchanged since FY2022.
4	Sea Box, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Army (Department of the Army)	$37,406,612	1.8%	Rank history: #5 in FY2021, #6 in FY2022, #4 in FY2024 and #12 in FY2025; up 2 since FY2022.
5	Readyone Industries Inc. Top agencies Army (Department of the Army)	$14,410,052	0.7%	Rank history: #11 in FY2021, #16 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
6	Sharkcage Inc. Top agencies DLA (Defense Logistics Agency)	$14,054,596	0.7%	Rank history: #17 in FY2021, #10 in FY2022, #11 in FY2024 and #10 in FY2025; up 4 since FY2022.
7	Aarcorp 2 awardees, including AAR Manufacturing, Inc. and AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Army (Department of the Army)	$12,980,405	0.6%	Rank history: #4 in FY2021, #5 in FY2022, #20 in FY2024 and not on the FY2025 list; down 2 since FY2022.
8	Huntington Ingalls Industries, Inc. Through Huntington Ingalls Inc. Top agencies Navy (Department of the Navy)	$10,209,110	0.5%	Rank history: #7 in FY2021, #7 in FY2022, #8 in FY2024 and #9 in FY2025; down 1 since FY2022.
9	Brooks & Perkins, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$9,122,290	0.5%	Rank history: #39 in FY2021, #9 in FY2022, #13 in FY2024 and #7 in FY2025; unchanged since FY2022.
10	Container Research Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$8,349,876	0.4%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2024 and #14 in FY2025; up 465 since FY2022.
11	Garrett Container Systems, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$7,425,687	0.4%	Rank history: #19 in FY2021, #24 in FY2022, #25 in FY2024 and #33 in FY2025; up 13 since FY2022.
12	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$6,800,040	0.3%	Rank history: #84 in FY2021, #17 in FY2022, #73 in FY2024 and not on the FY2025 list; up 5 since FY2022.
13	W&K Container, Inc. Top agencies DLA (Defense Logistics Agency) USDA (Department of Agriculture)	$4,700,060	0.2%	Rank history: #8 in FY2021, #14 in FY2022, #9 in FY2024 and #11 in FY2025; up 1 since FY2022.
14	SPG International LLC Top agencies Treasury (Department of the Treasury)	$3,814,020	0.2%	Rank history: not on the FY2021–FY2022 lists, #28 in FY2024 and not on the FY2025 list; new.
15	Jag Components, LLC Top agencies DLA (Defense Logistics Agency)	$3,412,350	0.2%	Rank history: not on the FY2021 list, #49 in FY2022, #58 in FY2024 and #66 in FY2025; up 34 since FY2022.
16	Nally & Haydon, LLC Through Armag Corp Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$3,332,306	0.2%	Rank history: not on the FY2021 list, #18 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
17	Erie Engineered Products, Inc. Top agencies Navy (Department of the Navy)	$3,239,176	0.2%	Rank history: #12 in FY2021, not on the FY2022 list, not on the FY2024 list and #24 in FY2025; returned.
18	Solutions Ftg, Inc. Top agencies DLA (Defense Logistics Agency)	$3,195,971	0.2%	Rank history: not on the FY2021 list, #22 in FY2022, #15 in FY2024 and #17 in FY2025; up 4 since FY2022.
19	Cobham Mission Systems Orchard Park Inc. Through Mission Systems Orchard Park Inc. Top agencies USAF (Department of the Air Force)	$2,910,800	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
20	Armor Metal Group Mason Incorporated Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$2,835,355	0.1%	Rank history: #82 in FY2021, #30 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
21	Capewell Aerial Systems LLC Top agencies DLA (Defense Logistics Agency)	$2,772,900	0.1%	Rank history: not on the FY2021 list, #25 in FY2022, #31 in FY2024 and #31 in FY2025; up 4 since FY2022.
22	Greene Machine & Manufacturing Inc. Top agencies USAF (Department of the Air Force)	$2,633,341	0.1%	Rank history: #31 in FY2021, #42 in FY2022, #22 in FY2024 and #26 in FY2025; up 20 since FY2022.
23	Sistersville Tank Works Inc. Top agencies USAF (Department of the Air Force)	$2,332,611	0.1%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2024 and not on the FY2025 list; new.
24	The Champion Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,305,200	0.1%	Rank history: #33 in FY2021, #8 in FY2022, not on the FY2024 list and #69 in FY2025; down 16 since FY2022.
25	Northrop Grumman Corporation 4 awardees, including Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$2,157,319	0.1%	Rank history: #51 in FY2021, not on the FY2022 list, not on the FY2024 list and #34 in FY2025; up 167 since FY2022.
26	Aqua-Chem, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,111,823	0.1%	Rank history: #40 in FY2021, #21 in FY2022, #27 in FY2024 and #20 in FY2025; down 5 since FY2022.
27	Contract Industrial Tooling Inc. Top agencies Navy (Department of the Navy)	$2,038,601	0.1%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2024 and #6 in FY2025; new.
28	Bhayana Brothers LLC Top agencies Navy (Department of the Navy)	$1,827,930	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
29	Nexgen Composites LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,821,829	0.1%	Rank history: #16 in FY2021, #11 in FY2022, #17 in FY2024 and #21 in FY2025; down 18 since FY2022.
30	Complete Energy Services Inc. Through H.B. Rentals, L.C Top agencies Navy (Department of the Navy)	$1,695,495	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
31	B.e. Peterson, Inc. Top agencies USAF (Department of the Air Force)	$1,399,200	0.1%	Rank history: not on the FY2021 list, #34 in FY2022, #29 in FY2024 and not on the FY2025 list; up 3 since FY2022.
32	Snap-On Incorporated 2 awardees, including Snap-On Tools International, LLC and Idsc Holdings LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,319,894	0.1%	Rank history: #94 in FY2021, #96 in FY2022 and not on the FY2024–FY2025 lists; up 64 since FY2022.
33	Great Lakes Sound & Vibration Inc. Top agencies DLA (Defense Logistics Agency)	$1,287,397	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Advanced Packaging LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,183,925	0.1%	Rank history: #69 in FY2021, #23 in FY2022, not on the FY2024 list and #58 in FY2025; down 11 since FY2022.
35	Pelican Products, Inc. 3 awardees, including Trimcast Products PTY Ltd and Hardigg Industries, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,157,572	0.1%	Rank history: #42 in FY2021, #60 in FY2022 and not on the FY2024–FY2025 lists; up 25 since FY2022.
36	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,153,010	0.1%	Rank history: not on the FY2021 list, #67 in FY2022, #37 in FY2024 and #54 in FY2025; up 31 since FY2022.
37	Inqem LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Army (Department of the Army)	$993,958	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$970,922	<0.1%	Rank history: #37 in FY2021, #64 in FY2022, #30 in FY2024 and #16 in FY2025; up 26 since FY2022.
39	Deval Life Cycle Support LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$927,306	<0.1%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2024 and #38 in FY2025; new.
40	Ameripack Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$922,494	<0.1%	Rank history: #44 in FY2021, #29 in FY2022, #100 in FY2024 and not on the FY2025 list; down 11 since FY2022.
41	Containers Unlimited LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) Commerce (Department of Commerce)	$809,386	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #57 in FY2025; up 73 since FY2022.
42	Fad Pennsylvania Inc. Top agencies Navy (Department of the Navy)	$776,318	<0.1%	Rank history: not on the FY2021 list, #77 in FY2022 and not on the FY2024–FY2025 lists; up 35 since FY2022.
43	S I T Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$754,855	<0.1%	Rank history: #35 in FY2021, not on the FY2022 list, #41 in FY2024 and #94 in FY2025; up 84 since FY2022.
44	Intrepid Eagle Logistics, Inc. Top agencies DLA (Defense Logistics Agency)	$742,912	<0.1%	Rank history: #25 in FY2021, #27 in FY2022, #5 in FY2024 and #15 in FY2025; down 17 since FY2022.
45	Fed Crew Inc. Top agencies Army (Department of the Army)	$727,519	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	Pikes Peak Cargo Secure, Inc. Top agencies DLA (Defense Logistics Agency)	$695,879	<0.1%	Rank history: not on the FY2021 list, #90 in FY2022, not on the FY2024 list and #71 in FY2025; up 44 since FY2022.
47	San-I-Pak Pacific, Inc. Top agencies VA (Department of Veterans Affairs)	$693,042	<0.1%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2024 and not on the FY2025 list; new.
48	Rydberg Vacuum Sciences Inc. Top agencies NASA (National Aeronautics and Space Administration)	$683,420	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	ASC Process Systems, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$664,101	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 424 since FY2022.
50	DC Precision LLC Top agencies DLA (Defense Logistics Agency)	$646,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and not on the FY2025 list; new.
51	Peli Biothermal New Mexico, LLC Top agencies HHS (Department of Health and Human Services)	$628,873	<0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #52 in FY2025; new.
52	Allied Defense Industries Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$628,348	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 304 since FY2022.
53	Fragola-G Limited Liability Company Top agencies DOS (Department of State)	$619,104	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	All State Construction Inc. Top agencies DOJ (Department of Justice)	$582,357	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 226 since FY2022.
55	Helitune Inc. Through Systems & Electronics Inc. Top agencies Navy (Department of the Navy)	$578,251	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
56	Curtiss-Wright Corporation 3 awardees, including Peerless Instrument Co., Inc., Curtiss-Wright Electro-Mechanical Corp and Indal Technologies Inc. Top agencies Navy (Department of the Navy)	$578,228	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
57	Airgo Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$568,797	<0.1%	Rank history: not on the FY2021 list, #94 in FY2022, #21 in FY2024 and #25 in FY2025; up 37 since FY2022.
58	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$537,842	<0.1%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2024 and #87 in FY2025; up 54 since FY2022.
59	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$518,379	<0.1%	Rank history: #26 in FY2021, #68 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
60	R P M Supply Corporation Top agencies DLA (Defense Logistics Agency)	$513,000	<0.1%	Rank history: not on the FY2021 list, #71 in FY2022, #60 in FY2024 and not on the FY2025 list; up 11 since FY2022.
61	Progressive Recovery Inc. Top agencies USDA (Department of Agriculture) NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services)	$494,239	<0.1%	Rank history: not on the FY2021 list, #83 in FY2022, #65 in FY2024 and not on the FY2025 list; up 22 since FY2022.
62	WEL-FAB Defense LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$485,600	<0.1%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and #44 in FY2025; new.
63	Boss Innovation & Marketing Inc. Top agencies DOJ (Department of Justice)	$484,916	<0.1%	Rank history: #77 in FY2021, #53 in FY2022, #62 in FY2024 and #65 in FY2025; down 10 since FY2022.
64	Graham Corp Top agencies Navy (Department of the Navy)	$482,593	<0.1%	Rank history: not on the FY2021 list, #69 in FY2022, #96 in FY2024 and #28 in FY2025; up 5 since FY2022.
65	Highland Engineering, Inc. Top agencies USAF (Department of the Air Force)	$460,739	<0.1%	Rank history: #66 in FY2021, #19 in FY2022, #40 in FY2024 and not on the FY2025 list; down 46 since FY2022.
66	The Plumbing Shop, Inc. Top agencies DHS (Department of Homeland Security)	$456,938	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	Turnbull LLC Top agencies Navy (Department of the Navy)	$428,947	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	Industrial Heat Transfer, Inc. Top agencies Army (Department of the Army)	$425,232	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Keymiaee Aero-Tech, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$422,441	<0.1%	Rank history: #92 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 144 since FY2022.
70	Quality Foam Packaging, Inc. Top agencies Navy (Department of the Navy)	$391,881	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Myers Container LLC Top agencies Navy (Department of the Navy)	$384,647	<0.1%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2024 and not on the FY2025 list; up 33 since FY2022.
72	Xylem Inc. Through Fluid Handling LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security) Navy (Department of the Navy)	$373,517	<0.1%	Rank history: #20 in FY2021, #26 in FY2022 and not on the FY2024–FY2025 lists; down 46 since FY2022.
73	Packiq LLC Top agencies Navy (Department of the Navy)	$364,520	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 34 since FY2022.
74	ADI American Distributors, LLC Through Newvac, LLC Top agencies DLA (Defense Logistics Agency)	$361,935	<0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and not on the FY2025 list; up 120 since FY2022.
75	Wren Industries LLC Top agencies Army (Department of the Army)	$344,740	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	TECH Service Solutions LLC Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture) DOI (Department of the Interior)	$343,576	<0.1%	Rank history: not on the FY2021 list, #92 in FY2022 and not on the FY2024–FY2025 lists; up 16 since FY2022.
77	Lektron Inc. Top agencies Army (Department of the Army)	$339,485	<0.1%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2024 and not on the FY2025 list; new.
78	Star Cases LLC Top agencies Navy (Department of the Navy)	$336,246	<0.1%	Rank history: #96 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 28 since FY2022.
79	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$334,973	<0.1%	Rank history: #53 in FY2021, #74 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
80	K5 Defense LLC Top agencies DLA (Defense Logistics Agency) USDA (Department of Agriculture) Navy (Department of the Navy)	$333,786	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 307 since FY2022.
81	FD Inc. Top agencies USAF (Department of the Air Force)	$327,387	<0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and not on the FY2025 list; up 50 since FY2022.
82	Astra Products Co., Inc. of Tampa Top agencies Navy (Department of the Navy)	$326,238	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	General Electric Company Through GE Aviation Systems LLC Top agencies Navy (Department of the Navy)	$324,870	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	Ana Sourcing LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$323,897	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 45 since FY2022.
85	B UND T Marketing GMBH Top agencies DLA (Defense Logistics Agency)	$320,830	<0.1%	Rank history: #32 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; down 57 since FY2022.
86	Dibert Valve and Fitting Company, Incorporated 2 awardees Top agencies Navy (Department of the Navy)	$316,747	<0.1%	Rank history: #38 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; down 30 since FY2022.
87	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$315,556	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Bizon Group, Inc. Top agencies USAF (Department of the Air Force) USDA (Department of Agriculture)	$315,090	<0.1%	Rank history: #83 in FY2021, not on the FY2022 list, not on the FY2024 list and #95 in FY2025; returned.
89	GTA Drum, Inc. Top agencies DLA (Defense Logistics Agency)	$308,997	<0.1%	Rank history: #41 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; down 34 since FY2022.
90	Martin Military Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$303,622	<0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and not on the FY2025 list; up 31 since FY2022.
91	DVE Construction OOD Top agencies USAF (Department of the Air Force)	$301,201	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 79 since FY2022.
92	Ivan Ware & Son, LLC Top agencies VA (Department of Veterans Affairs)	$298,135	<0.1%	Rank history: #63 in FY2021, #87 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
93	3T Business Group LLC Top agencies DLA (Defense Logistics Agency)	$297,910	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Vapor Power International, LLC Top agencies Navy (Department of the Navy)	$295,118	<0.1%	Rank history: not on the FY2021 list, #62 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
95	Energysolutions LLC Through Energysolutions Services Inc. Top agencies Navy (Department of the Navy)	$292,112	<0.1%	Rank history: #47 in FY2021, #41 in FY2022 and not on the FY2024–FY2025 lists; down 54 since FY2022.
96	Ametek Inc. 2 awardees, including Ametek Ameron, LLC and Sunpower, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$277,899	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 21 since FY2022.
97	Boone & Boone Sales Co., Inc. Top agencies Army (Department of the Army)	$274,845	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	Preece Incorporated Through Aerol Co., Inc. Top agencies DLA (Defense Logistics Agency)	$273,237	<0.1%	Rank history: not on the FY2021 list, #72 in FY2022, not on the FY2024 list and #60 in FY2025; down 26 since FY2022.
99	Power Mechanical Inc. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$273,175	<0.1%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2024 and not on the FY2025 list; new.
100	Columbiana Holding Co Inc Through Columbiana Boiler Company, LLC Top agencies NASA (National Aeronautics and Space Administration)	$268,213	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 724 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 3324

Code	Net obligations	Largest contractor
33241 Power Boiler and Heat Exchanger Manufacturing	$1,462,569,457	Bechtel Corp
33243 Metal Can, Box, and Other Metal Container (Light Gauge) Manufacturing	$514,914,377	Conco, Inc.
33242 Metal Tank (Heavy Gauge) Manufacturing	$17,059,315	Cobham Mission Systems Orchard Park 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 $2.03 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 3324 contractors in FY2023?

1. Bechtel Corp ($1.43B), 2. Conco, Inc. ($268M), 3. BOH Environmental, L.L.C. ($71.8M), 4. Sea Box, Inc. ($37.4M), 5. Readyone Industries Inc. ($14.4M), 6. Sharkcage Inc. ($14.1M), 7. Aarcorp ($13M), 8. Huntington Ingalls Industries, Inc. ($10.2M), 9. Brooks & Perkins, Inc. ($9.12M), 10. Container Research Corp ($8.35M).

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