Top 100 Contractors in NAICS 33241: Power Boiler and Heat Exchanger Manufacturing, Jul 2025–Jun 2026

Name: Top 100 Contractors in NAICS 33241: Power Boiler and Heat Exchanger Manufacturing, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 93% of NAICS 33241 contract dollars from July 2025 through June 2026

Contract obligations: $2,114,794,665 Net of deobligations, by contracts coded NAICS 33241 or a code under it
Contractors: 167 Parent companies with an obligation
Largest contractor: Bechtel Corp $2.06 billion, 91.2% 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	Bechtel Corp Through Bechtel Plant Machinery, Inc. Top agencies Navy (Department of the Navy)	$2,063,453,436	91.2%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since Jul 2024–Jun 2025.
2	Huntington Ingalls Industries, Inc. Through Huntington Ingalls Inc. Top agencies Navy (Department of the Navy)	$9,158,110	0.4%	Rank history: #3 in FY2021, #3 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since Jul 2024–Jun 2025.
3	ECI Defense Group, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$8,004,855	0.4%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023, #11 in FY2024 and #3 in FY2025; up 5 since Jul 2024–Jun 2025.
4	Aqua-Chem, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$7,780,561	0.3%	Rank history: #9 in FY2021, #4 in FY2022, #4 in FY2023, #5 in FY2024 and #6 in FY2025; up 2 since Jul 2024–Jun 2025.
5	Jgils, LLC Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$2,305,297	0.1%	Rank history: #10 in FY2021, #23 in FY2022, #7 in FY2023, #9 in FY2024 and #4 in FY2025; down 2 since Jul 2024–Jun 2025.
6	Terry Service, Inc. Top agencies Army (Department of the Army)	$1,214,029	0.1%	Rank history: not on the FY2021–FY2024 lists and #8 in FY2025; up 1 since Jul 2024–Jun 2025.
7	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$1,112,792	<0.1%	Rank history: #42 in FY2021, #18 in FY2022, #6 in FY2023, #10 in FY2024 and #14 in FY2025; up 4 since Jul 2024–Jun 2025.
8	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$1,034,057	<0.1%	Rank history: #6 in FY2021, #58 in FY2022, not on the FY2023 list, #23 in FY2024 and #21 in FY2025; up 18 since Jul 2024–Jun 2025.
9	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$1,013,502	<0.1%	Rank history: #11 in FY2021, #41 in FY2022, #9 in FY2023, #12 in FY2024 and #35 in FY2025; up 22 since Jul 2024–Jun 2025.
10	H C Merchandisers, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,002,487	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
11	Fluid Handling LLC 2 awardees Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$890,618	<0.1%	Rank history: not on the FY2021–FY2023 lists, #16 in FY2024 and #9 in FY2025; down 1 since Jul 2024–Jun 2025.
12	Eddy Pump Corporation Top agencies Navy (Department of the Navy)	$754,042	<0.1%	Rank history: not on the FY2021–FY2024 lists and #12 in FY2025; new, not ranked in Jul 2024–Jun 2025.
13	Renk Systems Corp Top agencies Navy (Department of the Navy)	$749,986	<0.1%	Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; new, not ranked in Jul 2024–Jun 2025.
14	PPD Development LP Through Thermo Fisher Scientific (Asheville) LLC Top agencies Navy (Department of the Navy)	$747,855	<0.1%	Rank history: not on the FY2021–FY2024 lists and #11 in FY2025; new, not ranked in Jul 2024–Jun 2025.
15	Pioneer Industries, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$701,851	<0.1%	Rank history: #18 in FY2021, #12 in FY2022, #36 in FY2023, #14 in FY2024 and #24 in FY2025; down 6 since Jul 2024–Jun 2025.
16	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$696,939	<0.1%	Rank history: #13 in FY2021, #27 in FY2022, #21 in FY2023, #64 in FY2024 and #42 in FY2025; up 91 since Jul 2024–Jun 2025.
17	RPS Holdings, Inc. Through Rantec Power Systems Inc. Top agencies Navy (Department of the Navy)	$661,500	<0.1%	Rank history: not on the FY2021–FY2024 lists and #13 in FY2025; new, not ranked in Jul 2024–Jun 2025.
18	Par Defense Industries, LLC Top agencies DLA (Defense Logistics Agency)	$642,784	<0.1%	Rank history: #61 in FY2021, #83 in FY2022, not on the FY2023–FY2024 lists and #28 in FY2025; up 2 since Jul 2024–Jun 2025.
19	Separator Spares & Equipment LLC Top agencies DLA (Defense Logistics Agency)	$563,120	<0.1%	Rank history: not on the FY2021 list, #35 in FY2022, #52 in FY2023, #21 in FY2024 and #29 in FY2025; up 8 since Jul 2024–Jun 2025.
20	Peterson Machinery Co Top agencies DOJ (Department of Justice)	$558,360	<0.1%	Rank history: not on the FY2021–FY2024 lists and #27 in FY2025; up 76 since Jul 2024–Jun 2025.
21	Sogen Company, Inc. Top agencies DLA (Defense Logistics Agency)	$541,635	<0.1%	Rank history: not on the FY2021–FY2023 lists, #81 in FY2024 and #95 in FY2025; up 37 since Jul 2024–Jun 2025.
22	Marinette Marine Corporation Through Fincantieri Marine Systems North America, Inc. Top agencies DLA (Defense Logistics Agency)	$426,837	<0.1%	Rank history: not on the FY2021–FY2023 lists, #32 in FY2024 and not on the FY2025 list; up 101 since Jul 2024–Jun 2025.
23	Limco-Piedmont Inc. Through Limco Airepair Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$414,498	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
24	Derbyshire Machine & Tool Co Top agencies DLA (Defense Logistics Agency)	$387,870	<0.1%	Rank history: #98 in FY2021, not on the FY2022 list, #92 in FY2023, #87 in FY2024 and #63 in FY2025; up 32 since Jul 2024–Jun 2025.
25	Delval Equipment Corporation Top agencies DOJ (Department of Justice) USAF (Department of the Air Force) Navy (Department of the Navy)	$359,857	<0.1%	Rank history: #99 in FY2021, not on the FY2022–FY2024 lists and #57 in FY2025; up 89 since Jul 2024–Jun 2025.
26	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$354,186	<0.1%	Rank history: #22 in FY2021, not on the FY2022–FY2023 lists, #84 in FY2024 and #43 in FY2025; up 28 since Jul 2024–Jun 2025.
27	Leonardo S.p.A. 3 awardees, including Laurel Technologies Partnership, DRS Naval Power Systems Inc. and Pivotal Power Inc. Top agencies Navy (Department of the Navy)	$352,155	<0.1%	Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; new, not ranked in Jul 2024–Jun 2025.
28	Stag Enterprise, Inc. Top agencies Navy (Department of the Navy)	$295,089	<0.1%	Rank history: not on the FY2021–FY2024 lists and #32 in FY2025; new, not ranked in Jul 2024–Jun 2025.
29	Prime Mover Holdings LLC Through Motor Services Hugo Stamp Inc. Top agencies Navy (Department of the Navy)	$294,550	<0.1%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; new, not ranked in Jul 2024–Jun 2025.
30	Maxim Evaporators of America, LLC Top agencies DLA (Defense Logistics Agency)	$292,926	<0.1%	Rank history: #56 in FY2021, #31 in FY2022, not on the FY2023–FY2024 lists and #22 in FY2025; down 14 since Jul 2024–Jun 2025.
31	Lake Shore Systems Inc. Top agencies Navy (Department of the Navy)	$288,931	<0.1%	Rank history: not on the FY2021–FY2024 lists and #17 in FY2025; new, not ranked in Jul 2024–Jun 2025.
32	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$252,977	<0.1%	Rank history: not on the FY2021–FY2024 lists and #20 in FY2025; new, not ranked in Jul 2024–Jun 2025.
33	Caldaia Controls LLC Top agencies VA (Department of Veterans Affairs)	$249,950	<0.1%	Rank history: #23 in FY2021, #37 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
34	Alfa Laval U.S. Holding Inc. 2 awardees, including Alfa Laval Inc. and Tranter Inc. Top agencies Navy (Department of the Navy)	$228,271	<0.1%	Rank history: not on the FY2021–FY2023 lists, #92 in FY2024 and #5 in FY2025; down 30 since Jul 2024–Jun 2025.
35	Boonyium & Associates Limited Top agencies Navy (Department of the Navy)	$227,587	<0.1%	Rank history: not on the FY2021–FY2024 lists and #37 in FY2025; new, not ranked in Jul 2024–Jun 2025.
36	Lynchburg Air Preheater Corporation Top agencies DOI (Department of the Interior) Commerce (Department of Commerce)	$227,438	<0.1%	Rank history: #37 in FY2021, #24 in FY2022, not on the FY2023 list, #7 in FY2024 and #23 in FY2025; down 24 since Jul 2024–Jun 2025.
37	Aantilia LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$224,448	<0.1%	Rank history: #53 in FY2021, #53 in FY2022, not on the FY2023 list, #34 in FY2024 and #99 in FY2025; up 16 since Jul 2024–Jun 2025.
38	Thrustmaster of Texas, Inc. Top agencies Navy (Department of the Navy)	$208,480	<0.1%	Rank history: not on the FY2021–FY2024 lists and #40 in FY2025; new, not ranked in Jul 2024–Jun 2025.
39	DC Fabricators Inc. Top agencies DLA (Defense Logistics Agency)	$201,480	<0.1%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023, #98 in FY2024 and #74 in FY2025; up 48 since Jul 2024–Jun 2025.
40	Sterileco LLC Top agencies DOI (Department of the Interior)	$193,833	<0.1%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; new, not ranked in Jul 2024–Jun 2025.
41	Valley Boiler & Mechanical, Inc. Top agencies DOJ (Department of Justice)	$193,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
42	Westchester Plastics LLC Top agencies Army (Department of the Army)	$191,696	<0.1%	Rank history: not on the FY2021–FY2023 lists, #30 in FY2024 and #44 in FY2025; new, not ranked in Jul 2024–Jun 2025.
43	MCO Solutions, Inc. Top agencies DLA (Defense Logistics Agency)	$188,945	<0.1%	Rank history: not on the FY2021 list, #33 in FY2022, #50 in FY2023, #25 in FY2024 and #30 in FY2025; down 9 since Jul 2024–Jun 2025.
44	Formica Industries LLC Top agencies DLA (Defense Logistics Agency)	$183,200	<0.1%	Rank history: #45 in FY2021, #93 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
45	Tomahawk Sourcing LLC Top agencies DLA (Defense Logistics Agency)	$175,133	<0.1%	Rank history: #32 in FY2021, not on the FY2022–FY2023 lists, #55 in FY2024 and #15 in FY2025; down 30 since Jul 2024–Jun 2025.
46	NGH Retail LLC Top agencies DLA (Defense Logistics Agency)	$173,088	<0.1%	Rank history: #38 in FY2021, #72 in FY2022, #48 in FY2023, #47 in FY2024 and #47 in FY2025; up 3 since Jul 2024–Jun 2025.
47	Wizard Technologies Inc. Top agencies DLA (Defense Logistics Agency)	$165,770	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 92 since Jul 2024–Jun 2025.
48	Robco Sales Inc. Top agencies VA (Department of Veterans Affairs)	$164,138	<0.1%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; new, not ranked in Jul 2024–Jun 2025.
49	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$151,195	<0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023, #53 in FY2024 and not on the FY2025 list; up 22 since Jul 2024–Jun 2025.
50	Westsim Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$139,469	<0.1%	Rank history: #59 in FY2021, #94 in FY2022, #59 in FY2023, #94 in FY2024 and #59 in FY2025; up 84 since Jul 2024–Jun 2025.
51	Apex Pinnacle Corp Top agencies DLA (Defense Logistics Agency)	$135,035	<0.1%	Rank history: not on the FY2021–FY2024 lists and #55 in FY2025; new, not ranked in Jul 2024–Jun 2025.
52	Lee Mechanical Solutions, Inc. Top agencies USDA (Department of Agriculture)	$132,825	<0.1%	Rank history: not on the FY2021–FY2024 lists and #56 in FY2025; new, not ranked in Jul 2024–Jun 2025.
53	FAD Pennsylvania Inc Top agencies Navy (Department of the Navy)	$132,623	<0.1%	Rank history: not on the FY2021–FY2023 lists, #8 in FY2024 and #66 in FY2025; down 32 since Jul 2024–Jun 2025.
54	Veterans Aerospace LLC Top agencies DLA (Defense Logistics Agency)	$130,095	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
55	Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$129,935	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 78 since Jul 2024–Jun 2025.
56	Auxiliary Systems Inc. Top agencies Navy (Department of the Navy)	$121,976	<0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
57	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$119,564	<0.1%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2023, not on the FY2024 list and #81 in FY2025; up 29 since Jul 2024–Jun 2025.
58	Percipient Manufacturing, LLC Top agencies DLA (Defense Logistics Agency)	$117,780	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
59	Dynalec Corporation Top agencies Navy (Department of the Navy)	$115,550	<0.1%	Rank history: not on the FY2021–FY2024 lists and #62 in FY2025; new, not ranked in Jul 2024–Jun 2025.
60	TECH Nexuses, Inc. Top agencies DOJ (Department of Justice)	$110,481	<0.1%	Rank history: not on the FY2021–FY2024 lists and #64 in FY2025; new, not ranked in Jul 2024–Jun 2025.
61	Seventh Genius LLC Top agencies DOI (Department of the Interior)	$108,600	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
62	Pride Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$106,400	<0.1%	Rank history: not on the FY2021–FY2024 lists and #75 in FY2025; new, not ranked in Jul 2024–Jun 2025.
63	Power Plus International, Inc. Top agencies DOJ (Department of Justice)	$104,798	<0.1%	Rank history: not on the FY2021–FY2024 lists and #67 in FY2025; new, not ranked in Jul 2024–Jun 2025.
64	RNK International, Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$103,141	<0.1%	Rank history: not on the FY2021 list, #80 in FY2022, not on the FY2023–FY2024 lists and #72 in FY2025; down 3 since Jul 2024–Jun 2025.
65	Arhab LLC Top agencies DOI (Department of the Interior)	$102,580	<0.1%	Rank history: not on the FY2021–FY2024 lists and #68 in FY2025; new, not ranked in Jul 2024–Jun 2025.
66	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$100,192	<0.1%	Rank history: not on the FY2021 list, #38 in FY2022, #65 in FY2023, #44 in FY2024 and #69 in FY2025; new, not ranked in Jul 2024–Jun 2025.
67	Chand, L.L.C. Top agencies DLA (Defense Logistics Agency)	$96,079	<0.1%	Rank history: not on the FY2021–FY2023 lists, #20 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
68	The Blackledge Group, Inc. Top agencies DHS (Department of Homeland Security)	$95,000	<0.1%	Rank history: not on the FY2021–FY2024 lists and #73 in FY2025; new, not ranked in Jul 2024–Jun 2025.
69	Warrior Dynamics LLC Top agencies VA (Department of Veterans Affairs)	$94,353	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
70	Industrial Heat Technologies, Inc. Top agencies DOJ (Department of Justice)	$87,789	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 27 since Jul 2024–Jun 2025.
71	Industrial Heat Transfer, Inc. Top agencies DLA (Defense Logistics Agency)	$85,858	<0.1%	Rank history: #50 in FY2021, not on the FY2022 list, #16 in FY2023, not on the FY2024 list and #78 in FY2025; new, not ranked in Jul 2024–Jun 2025.
72	Dt-Trak Consulting, Inc. Top agencies DOI (Department of the Interior)	$82,283	<0.1%	Rank history: not on the FY2021–FY2024 lists and #79 in FY2025; new, not ranked in Jul 2024–Jun 2025.
73	Cornet Technology, Inc. Top agencies Navy (Department of the Navy)	$72,758	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
74	Marotta Controls Inc. Top agencies Navy (Department of the Navy)	$72,160	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
75	I-2-I Solutions, Inc. Top agencies USAF (Department of the Air Force)	$69,420	<0.1%	Rank history: not on the FY2021–FY2024 lists and #82 in FY2025; new, not ranked in Jul 2024–Jun 2025.
76	F.w. Webb Company Top agencies DOJ (Department of Justice)	$68,445	<0.1%	Rank history: not on the FY2021 list, #48 in FY2022, #46 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
77	Norcatec LLC Top agencies Navy (Department of the Navy)	$60,816	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
78	Kay Kay LLC Top agencies VA (Department of Veterans Affairs)	$53,040	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 43 since Jul 2024–Jun 2025.
79	Results Sales & Service, L.L.C. Top agencies VA (Department of Veterans Affairs)	$52,325	<0.1%	Rank history: not on the FY2021–FY2024 lists and #65 in FY2025; down 4 since Jul 2024–Jun 2025.
80	Campbell-Sevey Inc. Top agencies VA (Department of Veterans Affairs)	$50,733	<0.1%	Rank history: not on the FY2021–FY2024 lists and #92 in FY2025; new, not ranked in Jul 2024–Jun 2025.
81	NCH Corporation Through Chem-Aqua Inc. Top agencies VA (Department of Veterans Affairs)	$50,139	<0.1%	Rank history: not on the FY2021–FY2024 lists and #87 in FY2025; up 37 since Jul 2024–Jun 2025.
82	Westex Group, Inc. Top agencies Navy (Department of the Navy)	$49,829	<0.1%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; new, not ranked in Jul 2024–Jun 2025.
83	Hydraulics International, Inc. Top agencies DLA (Defense Logistics Agency)	$46,830	<0.1%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; down 15 since Jul 2024–Jun 2025.
84	Phoenix Systems Engineering Inc. Top agencies DLA (Defense Logistics Agency)	$46,522	<0.1%	Rank history: #20 in FY2021, #42 in FY2022, #30 in FY2023, #19 in FY2024 and #36 in FY2025; down 67 since Jul 2024–Jun 2025.
85	Waddell Electric Motor Service LLC Top agencies DOJ (Department of Justice)	$43,365	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
86	Ray Blackman Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$42,604	<0.1%	Rank history: not on the FY2021 list, #44 in FY2022, not on the FY2023–FY2024 lists and #61 in FY2025; down 36 since Jul 2024–Jun 2025.
87	Paul Mueller Company Top agencies Navy (Department of the Navy)	$39,207	<0.1%	Rank history: #58 in FY2021, not on the FY2022–FY2023 lists, #26 in FY2024 and not on the FY2025 list; down 58 since Jul 2024–Jun 2025.
88	A. James Global Services, Inc. Top agencies DHS (Department of Homeland Security)	$38,478	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
89	The Timken Company Top agencies Navy (Department of the Navy)	$37,158	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
90	Painter Tool Incorporated Top agencies Navy (Department of the Navy)	$34,860	<0.1%	Rank history: #25 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
91	Unique Technology Systems LLC Top agencies DHS (Department of Homeland Security)	$34,795	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
92	GI Corporation Top agencies DLA (Defense Logistics Agency)	$34,396	<0.1%	Rank history: not on the FY2021–FY2023 lists, #76 in FY2024 and #86 in FY2025; down 27 since Jul 2024–Jun 2025.
93	Bernard J. Mulcahy Company, Inc. Top agencies VA (Department of Veterans Affairs)	$33,934	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
94	Vetpowered LLC Top agencies Navy (Department of the Navy)	$33,032	<0.1%	Rank history: not on the FY2021–FY2023 lists, #17 in FY2024 and not on the FY2025 list; down 71 since Jul 2024–Jun 2025.
95	Govparts LLC Top agencies DLA (Defense Logistics Agency)	$32,736	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
96	SZY Holdings, LLC Top agencies DLA (Defense Logistics Agency)	$32,582	<0.1%	Rank history: not on the FY2021 list, #89 in FY2022, not on the FY2023–FY2024 lists and #60 in FY2025; down 48 since Jul 2024–Jun 2025.
97	Blackmer East Coast Repair Center Top agencies Navy (Department of the Navy)	$31,892	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
98	TIM Hildreth Company Top agencies USDA (Department of Agriculture)	$31,228	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
99	Z and K Services Inc. Top agencies DLA (Defense Logistics Agency)	$28,792	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
100	Advance Safety Equipment Co. Top agencies Navy (Department of the Navy)	$28,533	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.

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100 of 167 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33241

Code	Net obligations	Largest contractor
332410 Power Boiler and Heat Exchanger Manufacturing	$2,114,794,665	Bechtel Corp

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 $2.26 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 33241 contractors in Jul 2025–Jun 2026?

1. Bechtel Corp ($2.06B), 2. Huntington Ingalls Industries, Inc. ($9.16M), 3. ECI Defense Group, Inc. ($8M), 4. Aqua-Chem, Inc. ($7.78M), 5. Jgils, LLC ($2.31M), 6. Terry Service, Inc. ($1.21M), 7. Argo Turboserve Corporation ($1.11M), 8. Kampi Components Co Inc. ($1.03M), 9. S I T Corporation ($1.01M), 10. H C Merchandisers, Inc. ($1M).

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