Top 77 Contractors in PSC 4410: Industrial Boilers, Aug 2025–Jul 2026

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Front Range Construction Inc. Top agencies HHS (Department of Health and Human Services)	$605,730	7.9%	Rank history: not on the FY2021–FY2024 lists and #2 in FY2025; new, not ranked in Aug 2024–Jul 2025.
2	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$395,221	5.1%	Rank history: #45 in FY2021, not on the FY2022 list, #31 in FY2023, #41 in FY2024 and #33 in FY2025; up 27 since Aug 2024–Jul 2025.
3	American Mechanical Inc. Top agencies Commerce (Department of Commerce)	$381,787	5.0%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
4	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$367,820	4.8%	Rank history: #1 in FY2021, #11 in FY2022, #6 in FY2023, #8 in FY2024 and #16 in FY2025; up 9 since Aug 2024–Jul 2025.
5	Louisiana Controls, Inc. Top agencies DOJ (Department of Justice)	$350,000	4.6%	Rank history: not on the FY2021–FY2024 lists and #7 in FY2025; new, not ranked in Aug 2024–Jul 2025.
6	RSC Electrical & Mechanical Contractors, Inc.	$300,000	3.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
7	River City Mechanical Inc Top agencies VA (Department of Veterans Affairs)	$295,522	3.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
8	Howland Pump & Supply Co Inc. Top agencies Army (Department of the Army)	$292,000	3.8%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; up 51 since Aug 2024–Jul 2025.
9	Reagent World Inc. Top agencies USAF (Department of the Air Force)	$249,722	3.3%	Rank history: not on the FY2021 list, #17 in FY2022, not on the FY2023–FY2024 lists and #13 in FY2025; new, not ranked in Aug 2024–Jul 2025.
10	Aantilia LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$231,060	3.0%	Rank history: #34 in FY2021, #21 in FY2022, not on the FY2023 list, #21 in FY2024 and #42 in FY2025; up 23 since Aug 2024–Jul 2025.
11	RNK International, Inc. Top agencies DLA (Defense Logistics Agency)	$211,870	2.8%	Rank history: #44 in FY2021, #45 in FY2022, not on the FY2023–FY2024 lists and #37 in FY2025; up 23 since Aug 2024–Jul 2025.
12	Selas Heat Technology Company LLC Top agencies DHS (Department of Homeland Security)	$197,086	2.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
13	MCO Solutions, Inc. Top agencies DLA (Defense Logistics Agency)	$188,945	2.5%	Rank history: not on the FY2021 list, #9 in FY2022, #25 in FY2023, #92 in FY2024 and #19 in FY2025; new, not ranked in Aug 2024–Jul 2025.
14	Segen Company,Ltd. Top agencies USAF (Department of the Air Force)	$160,054	2.1%	Rank history: not on the FY2021–FY2024 lists and #21 in FY2025; new, not ranked in Aug 2024–Jul 2025.
15	American Boiler Inc.	$144,076	1.9%	Rank history: not on the FY2021–FY2024 lists and #26 in FY2025; up 6 since Aug 2024–Jul 2025.
16	Csic Solutions LLC Top agencies VA (Department of Veterans Affairs)	$143,700	1.9%	Rank history: not on the FY2021–FY2024 lists and #18 in FY2025; down 1 since Aug 2024–Jul 2025.
17	Alfa Laval U.S. Holding Inc. Through Alfa Laval Inc. Top agencies Navy (Department of the Navy)	$143,110	1.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
18	Joe Moore & Company, Inc. Top agencies DOJ (Department of Justice)	$137,770	1.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
19	S I T Corporation Top agencies DLA (Defense Logistics Agency)	$134,585	1.8%	Rank history: #7 in FY2021, #53 in FY2022, #96 in FY2023, #87 in FY2024 and #61 in FY2025; up 55 since Aug 2024–Jul 2025.
20	Veterans Aerospace LLC Top agencies DLA (Defense Logistics Agency)	$130,095	1.7%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
21	Hybrid Plumbing and Boiler Specialists LLC Top agencies HHS (Department of Health and Human Services)	$122,152	1.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
22	W.w. Gay Mechanical Contractor, Inc. Top agencies VA (Department of Veterans Affairs)	$107,762	1.4%	Rank history: not on the FY2021–FY2024 lists and #34 in FY2025; new, not ranked in Aug 2024–Jul 2025.
23	Fraser Engineering Company, Inc. Top agencies DOJ (Department of Justice)	$105,322	1.4%	Rank history: not on the FY2021–FY2024 lists and #36 in FY2025; up 9 since Aug 2024–Jul 2025.
24	The Blackledge Group, Inc. Top agencies DHS (Department of Homeland Security)	$95,000	1.2%	Rank history: not on the FY2021–FY2024 lists and #38 in FY2025; new, not ranked in Aug 2024–Jul 2025.
25	Trident Maritime Systems, Inc. Top agencies Navy (Department of the Navy)	$89,566	1.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
26	Delval Equipment Corporation Top agencies DOJ (Department of Justice)	$88,622	1.2%	Rank history: #35 in FY2021, #54 in FY2022, not on the FY2023–FY2024 lists and #39 in FY2025; new, not ranked in Aug 2024–Jul 2025.
27	Dt-Trak Consulting, Inc. Top agencies DOI (Department of the Interior)	$82,283	1.1%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; new, not ranked in Aug 2024–Jul 2025.
28	Larkos Packing and Distribution Inc. Top agencies DLA (Defense Logistics Agency)	$70,587	0.9%	Rank history: not on the FY2021 list, #100 in FY2022, #83 in FY2023, #55 in FY2024 and #68 in FY2025; up 16 since Aug 2024–Jul 2025.
29	Radwell International LLC Through Capp LLC Top agencies USAF (Department of the Air Force)	$69,649	0.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
30	I-2-I Solutions, Inc. Top agencies USAF (Department of the Air Force)	$69,420	0.9%	Rank history: not on the FY2021–FY2024 lists and #46 in FY2025; new, not ranked in Aug 2024–Jul 2025.
31	Mobile Steam Boiler Rental Corp Top agencies DOJ (Department of Justice)	$68,842	0.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
32	F.w. Webb Company Top agencies DOJ (Department of Justice)	$68,445	0.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
33	Maxim Evaporators of America, LLC Top agencies DLA (Defense Logistics Agency)	$65,066	0.8%	Rank history: not on the FY2021–FY2024 lists and #5 in FY2025; new, not ranked in Aug 2024–Jul 2025.
34	Marie, LLC Top agencies VA (Department of Veterans Affairs)	$62,761	0.8%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
35	Caldaia Controls LLC Top agencies VA (Department of Veterans Affairs)	$56,700	0.7%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; up 10 since Aug 2024–Jul 2025.
36	Kay Kay LLC Top agencies VA (Department of Veterans Affairs)	$53,040	0.7%	Rank history: not on the FY2021–FY2023 lists, #35 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
37	AO Facility Contractors LLC Top agencies DHS (Department of Homeland Security)	$51,457	0.7%	Rank history: not on the FY2021–FY2024 lists and #53 in FY2025; new, not ranked in Aug 2024–Jul 2025.
38	Water Heater Distributors, LLC Top agencies DOJ (Department of Justice) USAF (Department of the Air Force)	$47,971	0.6%	Rank history: not on the FY2021 list, #18 in FY2022, #59 in FY2023, #20 in FY2024 and #47 in FY2025; up 14 since Aug 2024–Jul 2025.
39	OST Services, LLC Top agencies VA (Department of Veterans Affairs)	$46,267	0.6%	Rank history: not on the FY2021–FY2024 lists and #6 in FY2025; down 34 since Aug 2024–Jul 2025.
40	RTX Corporation Through Hamilton Sundstrand Corporation Top agencies DLA (Defense Logistics Agency)	$44,195	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
41	Mojave Desert Air Quality Management District Top agencies DOJ (Department of Justice)	$41,959	0.5%	Rank history: #42 in FY2021, #49 in FY2022, not on the FY2023–FY2024 lists and #58 in FY2025; new, not ranked in Aug 2024–Jul 2025.
42	Piccolin Italo S.R.L. Top agencies Army (Department of the Army)	$33,485	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
43	SZY Holdings, LLC Top agencies DLA (Defense Logistics Agency)	$32,493	0.4%	Rank history: #59 in FY2021, #44 in FY2022, not on the FY2023 list, #97 in FY2024 and #32 in FY2025; down 15 since Aug 2024–Jul 2025.
44	Fluid Power Solution LLC Top agencies DLA (Defense Logistics Agency)	$29,548	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
45	Z and K Services Inc. Top agencies DLA (Defense Logistics Agency)	$28,792	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
46	Fed Crew Inc. Top agencies DHS (Department of Homeland Security)	$28,153	0.4%	Rank history: not on the FY2021–FY2024 lists and #65 in FY2025; new, not ranked in Aug 2024–Jul 2025.
47	Southern Refrigeration Corporation Top agencies Navy (Department of the Navy)	$28,000	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
48	Bayes, Inc. Top agencies USAF (Department of the Air Force)	$27,000	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
49	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$26,525	0.3%	Rank history: #60 in FY2021, not on the FY2022–FY2024 lists and #86 in FY2025; up 38 since Aug 2024–Jul 2025.
50	Federal Signal Corp Through Jetstream of Houston, LLP Top agencies Navy (Department of the Navy)	$26,466	0.3%	Rank history: not on the FY2021–FY2024 lists and #67 in FY2025; new, not ranked in Aug 2024–Jul 2025.
51	CD Mechanical, Inc. Top agencies USAF (Department of the Air Force)	$22,162	0.3%	Rank history: not on the FY2021–FY2024 lists and #74 in FY2025; new, not ranked in Aug 2024–Jul 2025.
52	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$21,644	0.3%	Rank history: #24 in FY2021, #90 in FY2022, #82 in FY2023, #68 in FY2024 and #98 in FY2025; new, not ranked in Aug 2024–Jul 2025.
53	Morgan Ingland LLC Top agencies Army (Department of the Army)	$20,964	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
54	Cummins-Wagner Holdings, Inc. Through Cummins-Wagner Company, Inc. Top agencies DHS (Department of Homeland Security)	$20,312	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
55	Farrell Equipment & Controls, Inc. Top agencies Navy (Department of the Navy)	$18,956	0.2%	Rank history: not on the FY2021 list, #94 in FY2022, #76 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
56	Heico Corp Through Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$17,612	0.2%	Rank history: not on the FY2021–FY2024 lists and #3 in FY2025; new, not ranked in Aug 2024–Jul 2025.
57	California Boiler, Inc. Top agencies DOJ (Department of Justice)	$17,490	0.2%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023, not on the FY2024 list and #78 in FY2025; new, not ranked in Aug 2024–Jul 2025.
58	Four Points Technology, L.L.C. Top agencies VA (Department of Veterans Affairs)	$16,795	0.2%	Rank history: not on the FY2021–FY2024 lists and #79 in FY2025; new, not ranked in Aug 2024–Jul 2025.
59	Samit LLC Top agencies DLA (Defense Logistics Agency)	$16,198	0.2%	Rank history: not on the FY2021 list, #85 in FY2022, not on the FY2023–FY2024 lists and #81 in FY2025; new, not ranked in Aug 2024–Jul 2025.
60	Integrated Procurement Technologies Top agencies DLA (Defense Logistics Agency)	$16,015	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
61	Power Equipment Co. of Memphis Top agencies HHS (Department of Health and Human Services)	$15,826	0.2%	Rank history: not on the FY2021–FY2024 lists and #82 in FY2025; new, not ranked in Aug 2024–Jul 2025.
62	American Combustion Industries of Delaware, Inc.	$15,000	0.2%	Rank history: #81 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
63	Westsim Engineering, Inc. Top agencies DLA (Defense Logistics Agency)	$14,481	0.2%	Rank history: #21 in FY2021, #91 in FY2022, #40 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
64	Energy Conservation Supply, Inc. Top agencies VA (Department of Veterans Affairs)	$11,756	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
65	Matt Marshall & Co Top agencies DOJ (Department of Justice)	$11,619	0.2%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; up 2 since Aug 2024–Jul 2025.
66	New Era Contract Sales Inc. Top agencies DLA (Defense Logistics Agency)	$11,158	0.1%	Rank history: not on the FY2021 list, #98 in FY2022, not on the FY2023 list, #93 in FY2024 and #89 in FY2025; up 20 since Aug 2024–Jul 2025.
67	SWE Inc. Top agencies DOJ (Department of Justice)	$11,110	0.1%	Rank history: not on the FY2021–FY2024 lists and #87 in FY2025; up 15 since Aug 2024–Jul 2025.
68	Equipment Parts Sales Top agencies DLA (Defense Logistics Agency)	$8,860	0.1%	Rank history: #90 in FY2021, #77 in FY2022, #99 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
69	Hoosier Industrial Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$7,032	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023, not on the FY2024 list and #90 in FY2025; new, not ranked in Aug 2024–Jul 2025.
70	TJR Procurement, LLC Top agencies DLA (Defense Logistics Agency)	$4,605	0.1%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; new, not ranked in Aug 2024–Jul 2025.
71	Insparisk, LLC Top agencies DOJ (Department of Justice)	$3,825	<0.1%	Rank history: #68 in FY2021, #72 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
72	Emerson Boiler, Inc. Top agencies DOI (Department of the Interior)	$3,428	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
73	Boiler Supply Company Inc Top agencies DOJ (Department of Justice)	$3,110	<0.1%	Rank history: not on the FY2021–FY2024 lists and #28 in FY2025; down 50 since Aug 2024–Jul 2025.
74	The Globe Equipment Company Inc Top agencies DLA (Defense Logistics Agency)	$2,594	<0.1%	Rank history: not on the FY2021 list, #95 in FY2022, #86 in FY2023, #84 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
75	Phoenix Systems Engineering Inc. Top agencies DLA (Defense Logistics Agency)	$432	<0.1%	Rank history: #19 in FY2021, #19 in FY2022, #65 in FY2023, #31 in FY2024 and #55 in FY2025; down 35 since Aug 2024–Jul 2025.
76	Makpak, LLC Top agencies DLA (Defense Logistics Agency)	$347	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
77	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$179	<0.1%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2023, not on the FY2024 list and #93 in FY2025; up 14 since Aug 2024–Jul 2025.

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 $7.68 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 Aug 2024–Jul 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