Top 55 Contractors in PSC Z2CZ: Repair or Alteration of Other Educational Buildings, Jul 2025–Jun 2026

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Sankyo Denki Ohna Denken JV Top agencies USAF (Department of the Air Force)	$7,311,812	15.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
2	Mckenzie Construction & Site Development LLC Top agencies Navy (Department of the Navy) DOL (Department of Labor)	$4,967,184	10.4%	Rank history: not on the FY2021–FY2023 lists, #3 in FY2024 and not on the FY2025 list; up 53 since Jul 2024–Jun 2025.
3	Webcor Construction LP Through E.w. Howell Co., LLC Top agencies Army (Department of the Army)	$3,960,706	8.3%	Rank history: not on the FY2021–FY2023 lists, #22 in FY2024 and #3 in FY2025; up 6 since Jul 2024–Jun 2025.
4	Eiffage Infraestructuras Sau Y Eiffage Energia Slu, Ute, Ley 18 / 1982 De 28 De Mayo, Eiffage Ute Top agencies Navy (Department of the Navy)	$3,626,845	7.6%	Rank history: not on the FY2021–FY2024 lists and #4 in FY2025; new, not ranked in Jul 2024–Jun 2025.
5	Leisnoi Professional Services LLC Top agencies USAF (Department of the Air Force)	$3,010,555	6.3%	Rank history: not on the FY2021–FY2024 lists and #6 in FY2025; new, not ranked in Jul 2024–Jun 2025.
6	CCI Energy and Construction Services, LLC Top agencies Army (Department of the Army)	$2,440,524	5.1%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2023, not on the FY2024 list and #7 in FY2025; new, not ranked in Jul 2024–Jun 2025.
7	RQ Construction, LLC Top agencies Navy (Department of the Navy)	$2,152,258	4.5%	Rank history: not on the FY2021–FY2024 lists and #1 in FY2025; down 6 since Jul 2024–Jun 2025.
8	Sustainable Building Solutions, LLC Top agencies Navy (Department of the Navy)	$1,645,146	3.4%	Rank history: not on the FY2021–FY2024 lists and #9 in FY2025; up 2 since Jul 2024–Jun 2025.
9	Donley Construction LLC Top agencies Navy (Department of the Navy)	$1,591,306	3.3%	Rank history: #42 in FY2021, #30 in FY2022, #13 in FY2023, #5 in FY2024 and #32 in FY2025; up 48 since Jul 2024–Jun 2025.
10	Willkompany Inc. Top agencies Navy (Department of the Navy)	$1,525,396	3.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
11	Olgoonik Logistics, LLC Top agencies Army (Department of the Army)	$1,430,237	3.0%	Rank history: not on the FY2021–FY2024 lists and #12 in FY2025; new, not ranked in Jul 2024–Jun 2025.
12	Silver Mountain Construction, LLC Top agencies Navy (Department of the Navy)	$1,379,995	2.9%	Rank history: not on the FY2021–FY2023 lists, #38 in FY2024 and #11 in FY2025; up 13 since Jul 2024–Jun 2025.
13	Genco General Contractors of Puerto Rico Corp. Top agencies NSF (National Science Foundation)	$1,377,584	2.9%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; new, not ranked in Jul 2024–Jun 2025.
14	RJS Construction, Inc. Top agencies DOI (Department of the Interior)	$1,195,067	2.5%	Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; new, not ranked in Jul 2024–Jun 2025.
15	Consigli Construction Co., Inc. Top agencies Navy (Department of the Navy)	$806,528	1.7%	Rank history: not on the FY2021–FY2024 lists and #17 in FY2025; up 4 since Jul 2024–Jun 2025.
16	Kekolu Contracting, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$796,614	1.7%	Rank history: not on the FY2021–FY2024 lists and #19 in FY2025; new, not ranked in Jul 2024–Jun 2025.
17	Port Madison Construction Corporation Top agencies Navy (Department of the Navy)	$751,779	1.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
18	Oneill Contractors Inc. Top agencies Navy (Department of the Navy)	$729,394	1.5%	Rank history: not on the FY2021–FY2024 lists and #21 in FY2025; new, not ranked in Jul 2024–Jun 2025.
19	Innovative Mechanical Contractors LLC Top agencies Navy (Department of the Navy)	$699,601	1.5%	Rank history: not on the FY2021–FY2023 lists, #37 in FY2024 and #13 in FY2025; down 1 since Jul 2024–Jun 2025.
20	Alpha Development Inc. Top agencies Army (Department of the Army)	$597,833	1.2%	Rank history: not on the FY2021–FY2024 lists and #22 in FY2025; new, not ranked in Jul 2024–Jun 2025.
21	Excell Construction Corp Top agencies DHS (Department of Homeland Security)	$498,372	1.0%	Rank history: not on the FY2021–FY2024 lists and #24 in FY2025; new, not ranked in Jul 2024–Jun 2025.
22	Forus Contracting, Inc. Top agencies Army (Department of the Army)	$472,000	1.0%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; new, not ranked in Jul 2024–Jun 2025.
23	Amentum Holdings, Inc. Through Amentum Technology, Inc. Top agencies Navy (Department of the Navy)	$395,381	0.8%	Rank history: not on the FY2021–FY2024 lists and #14 in FY2025; down 3 since Jul 2024–Jun 2025.
24	Rutalkn, Inc. Top agencies DOI (Department of the Interior)	$325,662	0.7%	Rank history: not on the FY2021–FY2024 lists and #29 in FY2025; new, not ranked in Jul 2024–Jun 2025.
25	Consorzio Continental Societa' Consortile A Responsabilita' Limitata Top agencies Navy (Department of the Navy)	$323,742	0.7%	Rank history: not on the FY2021 list, #9 in FY2022, #10 in FY2023, #47 in FY2024 and #30 in FY2025; new, not ranked in Jul 2024–Jun 2025.
26	Valiant Integrated Services LLC Through Valiant / Alca JV LLC Top agencies Navy (Department of the Navy)	$283,365	0.6%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; new, not ranked in Jul 2024–Jun 2025.
27	Heffler Contracting Group Top agencies Navy (Department of the Navy)	$253,874	0.5%	Rank history: #1 in FY2021, #4 in FY2022, #41 in FY2023, #12 in FY2024 and #10 in FY2025; down 22 since Jul 2024–Jun 2025.
28	Coelho, Inc. Top agencies USAF (Department of the Air Force)	$243,341	0.5%	Rank history: not on the FY2021–FY2024 lists and #36 in FY2025; new, not ranked in Jul 2024–Jun 2025.
29	FCF General Contractor Top agencies USAF (Department of the Air Force)	$240,184	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
30	Bristol Building Constructors LLC Top agencies Navy (Department of the Navy)	$238,980	0.5%	Rank history: not on the FY2021–FY2023 lists, #8 in FY2024 and #27 in FY2025; up 8 since Jul 2024–Jun 2025.
31	D7, LLC Top agencies Navy (Department of the Navy)	$235,241	0.5%	Rank history: not on the FY2021–FY2024 lists and #37 in FY2025; new, not ranked in Jul 2024–Jun 2025.
32	Reasor Building Group LLC Top agencies USAF (Department of the Air Force)	$215,359	0.4%	Rank history: not on the FY2021–FY2023 lists, #17 in FY2024 and #42 in FY2025; down 19 since Jul 2024–Jun 2025.
33	Skookum Educational Programs Top agencies Navy (Department of the Navy)	$192,970	0.4%	Rank history: #44 in FY2021, #45 in FY2022, not on the FY2023 list, #51 in FY2024 and #40 in FY2025; new, not ranked in Jul 2024–Jun 2025.
34	Tait Towers Manufacturing LLC Through Tait Global LLC Top agencies Navy (Department of the Navy)	$167,293	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
35	CM Construction Services, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$158,939	0.3%	Rank history: #13 in FY2021, #34 in FY2022, #2 in FY2023, #19 in FY2024 and #28 in FY2025; down 1 since Jul 2024–Jun 2025.
36	Intercontinental Construction Contracting Inc. Top agencies Navy (Department of the Navy)	$158,567	0.3%	Rank history: not on the FY2021 list, #7 in FY2022, not on the FY2023 list, #60 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
37	Encon Desbuild JV 3 LLC Top agencies Navy (Department of the Navy)	$157,119	0.3%	Rank history: not on the FY2021–FY2024 lists and #2 in FY2025; down 33 since Jul 2024–Jun 2025.
38	Paradigm Construction Services, LLC Top agencies USAF (Department of the Air Force)	$154,501	0.3%	Rank history: not on the FY2021 list, #27 in FY2022, #38 in FY2023, #24 in FY2024 and #34 in FY2025; down 21 since Jul 2024–Jun 2025.
39	J Davis Construction Management Inc. Top agencies Navy (Department of the Navy)	$140,000	0.3%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2023, #30 in FY2024 and not on the FY2025 list; down 13 since Jul 2024–Jun 2025.
40	Conquest USA Inc. Top agencies Navy (Department of the Navy)	$98,155	0.2%	Rank history: not on the FY2021–FY2023 lists, #57 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
41	Proesl BAU GMBH Top agencies Army (Department of the Army)	$95,165	0.2%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
42	Benecorp Inc. Top agencies DOL (Department of Labor)	$84,395	0.2%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2023, #10 in FY2024 and #23 in FY2025; down 15 since Jul 2024–Jun 2025.
43	Frank GMBH Top agencies Army (Department of the Army)	$76,868	0.2%	Rank history: not on the FY2021–FY2023 lists, #40 in FY2024 and not on the FY2025 list; down 4 since Jul 2024–Jun 2025.
44	Tecc Corporation Top agencies Army (Department of the Army)	$64,809	0.1%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
45	President and Fellows of Harvard College Top agencies Smithsonian (Smithsonian Institution)	$52,575	0.1%	Rank history: not on the FY2021–FY2024 lists and #52 in FY2025; new, not ranked in Jul 2024–Jun 2025.
46	MV7 Inc Top agencies USAF (Department of the Air Force)	$47,769	0.1%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2023, not on the FY2024 list and #38 in FY2025; down 10 since Jul 2024–Jun 2025.
47	Lunacon Engineering Group, Corp. Top agencies DOL (Department of Labor)	$46,093	0.1%	Rank history: not on the FY2021–FY2023 lists, #7 in FY2024 and #53 in FY2025; up 1 since Jul 2024–Jun 2025.
48	T&H Services, LLC Top agencies Navy (Department of the Navy)	$36,574	0.1%	Rank history: not on the FY2021–FY2023 lists, #65 in FY2024 and #55 in FY2025; up 17 since Jul 2024–Jun 2025.
49	Ocean Construction Services Inc. Top agencies USAF (Department of the Air Force)	$27,208	0.1%	Rank history: not on the FY2021–FY2023 lists, #1 in FY2024 and #50 in FY2025; down 19 since Jul 2024–Jun 2025.
50	American Engineering Corporation Top agencies USAF (Department of the Air Force)	$24,262	0.1%	Rank history: not on the FY2021 list, #31 in FY2022, not on the FY2023–FY2024 lists and #31 in FY2025; down 18 since Jul 2024–Jun 2025.
51	Marrs Patriot Construction LLC Top agencies USAF (Department of the Air Force)	$17,615	<0.1%	Rank history: not on the FY2021–FY2024 lists and #59 in FY2025; new, not ranked in Jul 2024–Jun 2025.
52	Mickan Generalbaugesellschaft Amberg MBH & Co. KG Top agencies Army (Department of the Army)	$11,891	<0.1%	Rank history: not on the FY2021–FY2023 lists, #48 in FY2024 and not on the FY2025 list; down 2 since Jul 2024–Jun 2025.
53	Eleven Bravo Group, LLC Top agencies DOI (Department of the Interior)	$9,997	<0.1%	Rank history: not on the FY2021–FY2024 lists and #60 in FY2025; new, not ranked in Jul 2024–Jun 2025.
54	Riza Construction Inc. Top agencies Army (Department of the Army)	$7,283	<0.1%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; new, not ranked in Jul 2024–Jun 2025.
55	Bradley Heating & Air Conditioning, Inc. Top agencies DOI (Department of the Interior)	$5,082	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 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 $48 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.
• 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