Top 100 Contractors in PSC Y1: Construction of Buildings, FY2025

Name: Top 100 Contractors in PSC Y1: Construction of Buildings, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 31% of FY2025 PSC Y1 contract dollars

Contract obligations: $30,503,428,739 Net of deobligations, by contracts coded PSC Y1 or a code under it
Contractors: 3,118 Parent companies with an obligation
Largest contractor: Bccg A Joint Venture $3.13 billion, 9.4% 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	Bccg A Joint Venture Top agencies DHS (Department of Homeland Security)	$3,127,100,299	9.4%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2024; up 18 since FY2024.
2	Dragados / Hawaiian Dredging / Orion JV Top agencies Navy (Department of the Navy)	$1,467,673,186	4.4%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2023 and #5 in FY2024; up 3 since FY2024.
3	Bechtel Corp 2 awardees, including Bechtel National, Inc. Top agencies DOE (Department of Energy) Navy (Department of the Navy)	$1,060,292,600	3.2%	Rank history: #2 in FY2021, #8 in FY2022, #6 in FY2023 and #4 in FY2024; up 1 since FY2024.
4	Fisher Sand & Gravel Co Top agencies DHS (Department of Homeland Security)	$928,459,412	2.8%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2024; up 46 since FY2024.
5	Peter Kiewit Sons', Inc. 5 awardees, including Kiewit US Contractors Co, Kiewit Infrastructure West Co. and Weeks Marine, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior) IBWC (International Boundary and Water Commission U.S.-Mexico)	$821,872,218	2.5%	Rank history: #18 in FY2021, #41 in FY2022, #17 in FY2023 and #9 in FY2024; up 4 since FY2024.
6	Barnard Spencer Joint Venture Top agencies DHS (Department of Homeland Security)	$778,434,112	2.3%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2023 and not on the FY2024 list; returned.
7	BL Harbert International LLC Top agencies DOS (Department of State) Navy (Department of the Navy) Army (Department of the Army)	$637,423,209	1.9%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2024; up 14 since FY2024.
8	The Whiting-Turner Contracting Company Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) HHS (Department of Health and Human Services)	$569,098,049	1.7%	Rank history: #5 in FY2021, #14 in FY2022, #22 in FY2023 and #13 in FY2024; up 5 since FY2024.
9	Hensel Phelps Construction Co 9 awardees, including Hensel Phelps - Shimizu JV Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$469,105,894	1.4%	Rank history: #3 in FY2021, #1 in FY2022, #13 in FY2023 and #3 in FY2024; down 6 since FY2024.
10	Core Tech-Hdcc-Kajima LLC Top agencies Navy (Department of the Navy)	$457,810,059	1.4%	Rank history: #4 in FY2021, not on the FY2022 list, #39 in FY2023 and #23 in FY2024; up 13 since FY2024.
11	Harper Construction Company Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$439,843,685	1.3%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; down 3 since FY2024.
12	Brasfield & Gorrie LLC Top agencies GSA (General Services Administration) DOJ (Department of Justice) Army (Department of the Army)	$425,897,522	1.3%	Rank history: #31 in FY2021, #62 in FY2022, #2 in FY2023 and not on the FY2024 list; up 97 since FY2024.
13	Kiewit Infrastructure West Co. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$420,047,405	1.3%	Rank history: not on the FY2021–FY2024 lists; up 92 since FY2024.
14	381 Constructors Top agencies Navy (Department of the Navy)	$376,674,937	1.1%	Rank history: #55 in FY2021, #5 in FY2022, #11 in FY2023 and #10 in FY2024; down 4 since FY2024.
15	J.e. Dunn Construction Company Top agencies GSA (General Services Administration) USAF (Department of the Air Force) Army (Department of the Army)	$350,405,486	1.1%	Rank history: not on the FY2021–FY2024 lists; new.
16	RQ Construction, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Army (Department of the Army)	$348,238,653	1.1%	Rank history: #10 in FY2021, #11 in FY2022, #25 in FY2023 and #22 in FY2024; up 6 since FY2024.
17	Walsh Federal LLC Top agencies Navy (Department of the Navy) DOT (Department of Transportation) Army (Department of the Army)	$318,640,660	1.0%	Rank history: #32 in FY2021, #16 in FY2022, #1 in FY2023 and #26 in FY2024; up 9 since FY2024.
18	Nan Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) GSA (General Services Administration)	$286,588,173	0.9%	Rank history: not on the FY2021 list, #30 in FY2022, #19 in FY2023 and #49 in FY2024; up 31 since FY2024.
19	Tully Construction Co - Thalle Construction Co LLC Through Thalle Construction Co Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$285,417,977	0.9%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 3 since FY2024.
20	S.j. Amoroso Construction Co., LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$244,155,006	0.7%	Rank history: not on the FY2021–FY2024 lists; up 462 since FY2024.
21	Manson Construction Co Top agencies Army (Department of the Army) Navy (Department of the Navy) USDA (Department of Agriculture)	$239,616,709	0.7%	Rank history: #78 in FY2021, #26 in FY2022, #28 in FY2023 and #20 in FY2024; down 1 since FY2024.
22	Clark Construction Group LLC Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$229,713,283	0.7%	Rank history: #20 in FY2021, #24 in FY2022, #5 in FY2023 and #1 in FY2024; down 21 since FY2024.
23	ACC Construction Co., Inc. Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command)	$223,582,414	0.7%	Rank history: #33 in FY2021, #67 in FY2022, not on the FY2023 list and #75 in FY2024; up 52 since FY2024.
24	Dpr-Rq Construction, LLC Top agencies Navy (Department of the Navy)	$222,554,388	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
25	Granite-Obayashi 2, A Joint Venture Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$195,317,433	0.6%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and #40 in FY2024; up 15 since FY2024.
26	Archer Western Federal JV Top agencies Army (Department of the Army) Navy (Department of the Navy)	$190,369,110	0.6%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2024; up 19 since FY2024.
27	Granite Construction Company Guam 2 awardees, including Granite Construction Company Top agencies DHS (Department of Homeland Security) DOT (Department of Transportation) Army (Department of the Army)	$187,993,664	0.6%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2023 and #30 in FY2024; up 3 since FY2024.
28	Slsco, Ltd. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$178,619,951	0.5%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2023 and not on the FY2024 list; returned.
29	Jaynes Corporation Top agencies HHS (Department of Health and Human Services)	$172,026,432	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
30	Global Pacific Design Builders, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$170,482,030	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
31	Parsons Corporation 3 awardees, including Parsons Government Services Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$166,987,386	0.5%	Rank history: #14 in FY2021, not on the FY2022 list, #33 in FY2023 and #60 in FY2024; up 29 since FY2024.
32	Amber Infrastructure LLC 4 awardees, including City Light & Power Jblm LLC, City Light & Power, Inc. and City Light & Power Aberdeen, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$158,354,432	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
33	OCI Overseas Holding Limited Through Contrack Watts Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$157,977,754	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
34	Hurley JV, LLP Top agencies VA (Department of Veterans Affairs)	$157,098,776	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
35	Korte Construction Company Top agencies Army (Department of the Army)	$156,407,603	0.5%	Rank history: #27 in FY2021, not on the FY2022 list, #54 in FY2023 and #34 in FY2024; down 1 since FY2024.
36	Clark Construction Group - California, LP Top agencies Navy (Department of the Navy)	$155,110,299	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
37	Anduril Industries Inc. Top agencies DHS (Department of Homeland Security)	$148,493,886	0.4%	Rank history: not on the FY2021 list, #75 in FY2022, #81 in FY2023 and #78 in FY2024; up 41 since FY2024.
38	CDM Constructors Inc. 2 awardees Top agencies DOI (Department of the Interior) Army (Department of the Army) Navy (Department of the Navy)	$147,029,790	0.4%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 6 since FY2024.
39	Jacobs Government Services Company 2 awardees, including Jacobs Project Management Co. Top agencies DOI (Department of the Interior) Army (Department of the Army) DOS (Department of State)	$139,699,409	0.4%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; down 3 since FY2024.
40	Conti Federal Services, LLC Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command) USAF (Department of the Air Force)	$137,241,914	0.4%	Rank history: not on the FY2021 list, #17 in FY2022, #50 in FY2023 and #12 in FY2024; down 28 since FY2024.
41	Sauer Construction LLC Top agencies USSOCOM (United States Special Operations Command) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$134,524,132	0.4%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2024; up 5 since FY2024.
42	Black Construction-Tutor Perini JV Top agencies Navy (Department of the Navy)	$129,488,950	0.4%	Rank history: #39 in FY2021, #13 in FY2022, #85 in FY2023 and #24 in FY2024; down 18 since FY2024.
43	Grunley Construction Co., Inc. Top agencies Army (Department of the Army) DOS (Department of State) Navy (Department of the Navy)	$121,221,705	0.4%	Rank history: #36 in FY2021, #18 in FY2022, #37 in FY2023 and #70 in FY2024; up 27 since FY2024.
44	ECC Expeditionary Constructors LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$116,360,240	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
45	HHI Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$112,910,588	0.3%	Rank history: not on the FY2021 list, #88 in FY2022, #96 in FY2023 and not on the FY2024 list; up 108 since FY2024.
46	Northrop Grumman Corporation Through Northrop Grumman Systems Corp Top agencies Navy (Department of the Navy)	$112,721,352	0.3%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023 and not on the FY2024 list; returned.
47	JBW Group LLC Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$110,980,541	0.3%	Rank history: not on the FY2021–FY2024 lists; up 61 since FY2024.
48	Asrc Builders-Caddell, LLC Top agencies Army (Department of the Army)	$110,962,000	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
49	Tepa EC, LLC Top agencies DOI (Department of the Interior) Army (Department of the Army)	$108,080,443	0.3%	Rank history: not on the FY2021 list, #53 in FY2022, not on the FY2023 list and #31 in FY2024; down 18 since FY2024.
50	Kokosing Alberici Traylor, LLC Top agencies Army (Department of the Army)	$106,617,374	0.3%	Rank history: not on the FY2021 list, #3 in FY2022, #21 in FY2023 and #11 in FY2024; down 39 since FY2024.
51	Barnard Construction Company, Incorporated Top agencies Army (Department of the Army)	$103,832,237	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
52	DB Netz AG Regionalnetz Oberpfalz Top agencies Army (Department of the Army) DODEA (Department of Defense Education Activity)	$99,974,731	0.3%	Rank history: not on the FY2021 list, #74 in FY2022, #7 in FY2023 and #37 in FY2024; down 15 since FY2024.
53	ESA South, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) Navy (Department of the Navy)	$98,511,600	0.3%	Rank history: not on the FY2021 list, #55 in FY2022, not on the FY2023 list and #95 in FY2024; up 42 since FY2024.
54	Gilbane Federal Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Army (Department of the Army)	$98,390,434	0.3%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2024; up 19 since FY2024.
55	Weeks-Cashman JV Top agencies Navy (Department of the Navy)	$87,838,738	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
56	Shape Construction Inc Top agencies Navy (Department of the Navy)	$83,622,272	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
57	Birmingham Industrial Construction, LLC Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration) VA (Department of Veterans Affairs)	$82,833,229	0.2%	Rank history: not on the FY2021–FY2024 lists; up 213 since FY2024.
58	CMS Corporation Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Army (Department of the Army)	$81,508,239	0.2%	Rank history: not on the FY2021 list, #66 in FY2022, #61 in FY2023 and #18 in FY2024; down 40 since FY2024.
59	Structsure Projects Inc. Top agencies DOT (Department of Transportation) DHA (Defense Health Agency) Army (Department of the Army)	$80,065,681	0.2%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2023 and not on the FY2024 list; returned.
60	Walsh-Western Wood JV Top agencies Army (Department of the Army)	$79,357,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
61	Sgjv2, LLC Top agencies VA (Department of Veterans Affairs)	$79,098,446	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
62	R.a. Burch Construction Co., Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$74,962,957	0.2%	Rank history: #69 in FY2021, not on the FY2022 list, #44 in FY2023 and not on the FY2024 list; up 59 since FY2024.
63	American International Contractors (Special Projects) Inc. Top agencies DOS (Department of State)	$72,023,261	0.2%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; up 31 since FY2024.
64	Federal Contracting Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$71,251,238	0.2%	Rank history: not on the FY2021 list, #31 in FY2022, #24 in FY2023 and #79 in FY2024; up 15 since FY2024.
65	Saw Greenland, LLC Top agencies VA (Department of Veterans Affairs)	$70,633,080	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
66	Novel Construction LLC Top agencies Army (Department of the Army) DOT (Department of Transportation)	$69,011,691	0.2%	Rank history: not on the FY2021–FY2024 lists; up 258 since FY2024.
67	KRE JV, LLC Top agencies Army (Department of the Army)	$66,409,952	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
68	Reliable Contracting Group, LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$66,068,975	0.2%	Rank history: not on the FY2021–FY2024 lists; up 71 since FY2024.
69	Central Southern Construction Corp. Top agencies DOT (Department of Transportation)	$65,605,367	0.2%	Rank history: not on the FY2021–FY2024 lists; up 382 since FY2024.
70	Anselmi & De Cicco, Inc. Top agencies Army (Department of the Army)	$64,784,713	0.2%	Rank history: not on the FY2021–FY2024 lists; up 171 since FY2024.
71	Castellano Cobra Ute Macc Ley 18-1982 Top agencies Navy (Department of the Navy)	$64,508,819	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
72	Norfolk Dredging Company Top agencies Army (Department of the Army)	$63,986,442	0.2%	Rank history: not on the FY2021 list, #44 in FY2022 and not on the FY2023–FY2024 lists; up 39 since FY2024.
73	Bah - ICM JV Top agencies Army (Department of the Army)	$62,231,003	0.2%	Rank history: not on the FY2021–FY2024 lists; up 43 since FY2024.
74	Exeo-Nakamoto Kogyo JV Top agencies Army (Department of the Army)	$60,740,517	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
75	Justin J. Reeves, L.l.c Top agencies Army (Department of the Army) USDA (Department of Agriculture) Navy (Department of the Navy)	$59,871,547	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
76	Ichiken Co Ltd Top agencies Army (Department of the Army)	$57,790,190	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
77	Fort Myer Construction Corp Top agencies DOT (Department of Transportation)	$54,392,727	0.2%	Rank history: not on the FY2021 list, #29 in FY2022 and not on the FY2023–FY2024 lists; returned.
78	M.r. Pittman Group, L.l.c Top agencies Army (Department of the Army)	$51,547,144	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
79	Bering Straits Native Corporation 2 awardees, including Stampede Ventures, Inc. Top agencies Army (Department of the Army) WHS (DOD Washington Headquarters Service) Navy (Department of the Navy)	$51,530,362	0.2%	Rank history: not on the FY2021 list, #79 in FY2022 and not on the FY2023–FY2024 lists; up 117 since FY2024.
80	Honeywell International Inc. Top agencies DOT (Department of Transportation)	$51,529,125	0.2%	Rank history: not on the FY2021–FY2024 lists; up 53 since FY2024.
81	Walsh Gilbane JV Top agencies Army (Department of the Army)	$51,500,000	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
82	Blue Cord Design and Construction, LLC Top agencies VA (Department of Veterans Affairs)	$50,779,212	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
83	OBG Government Services GMBH & Co. KG Top agencies Army (Department of the Army)	$49,619,288	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	Record Steel and Construction, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$49,386,176	0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; down 19 since FY2024.
85	Gilbane Japan GK Top agencies Army (Department of the Army)	$49,094,523	0.1%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; down 2 since FY2024.
86	Pine Bluff Sand and Gravel Company Top agencies Army (Department of the Army)	$48,560,570	0.1%	Rank history: not on the FY2021–FY2024 lists; up 39 since FY2024.
87	Precision Construction LLC Top agencies Army (Department of the Army)	$48,523,398	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
88	Epik International Inc. Top agencies DOS (Department of State)	$46,495,568	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Empresa De Construccion Y Transporte Eterna S.A. De C.V. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOS (Department of State)	$46,236,362	0.1%	Rank history: #68 in FY2021 and not on the FY2022–FY2024 lists; up 386 since FY2024.
90	Arctic Slope Regional Corporation 6 awardees, including Ais Infrastructure, LLC, Bcss, LLC and Asrc Prime Constructors, LLC Top agencies Army (Department of the Army) DOT (Department of Transportation) Navy (Department of the Navy)	$46,159,509	0.1%	Rank history: not on the FY2021–FY2024 lists; up 24 since FY2024.
91	Great Lakes Dredge & Dock Corporation Top agencies Army (Department of the Army)	$45,423,206	0.1%	Rank history: #6 in FY2021, #32 in FY2022, #16 in FY2023 and #47 in FY2024; down 44 since FY2024.
92	Pacific Federal Management Inc Top agencies Navy (Department of the Navy)	$44,637,933	0.1%	Rank history: not on the FY2021–FY2024 lists; up 144 since FY2024.
93	Volmar Construction Inc. Top agencies GSA (General Services Administration)	$44,589,385	0.1%	Rank history: #38 in FY2021 and not on the FY2022–FY2024 lists; returned.
94	Aktor S.A Top agencies Navy (Department of the Navy)	$44,408,352	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Floyd Construction Corp Top agencies VA (Department of Veterans Affairs)	$44,270,758	0.1%	Rank history: not on the FY2021–FY2024 lists; up 184 since FY2024.
96	Salas O'brien Federal, LLC Top agencies Army (Department of the Army)	$43,978,912	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Steve Manning Construction Inc. Top agencies DOT (Department of Transportation)	$43,792,139	0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and not on the FY2024 list; up 64 since FY2024.
98	Empire Equipment Service, Inc. Top agencies Army (Department of the Army)	$43,649,079	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Trumbull Corporation and Brayman Construction Corporation, A Joint Venture Top agencies Army (Department of the Army)	$43,578,314	0.1%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2024; down 93 since FY2024.
100	Stronghold Engineering Inc. Top agencies DOI (Department of the Interior)	$43,538,301	0.1%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023 and not on the FY2024 list; returned.

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100 of 3,118 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC Y1

Code	Net obligations	Largest contractor
Y1PZ Construction of Other Non-Building Facilities	$6,847,405,728	Bccg A Joint Venture
Y1JZ Construction of Miscellaneous Buildings	$4,376,418,311	The Whiting-Turner Contracting Company
Y1AZ Construction of Other Administrative Facilities and Service Buildings	$1,337,671,543	Brasfield & Gorrie LLC
Y1DA Construction of Hospitals and Infirmaries	$1,209,789,752	Jaynes Corporation
Y1AA Construction of Office Buildings	$1,197,152,180	BL Harbert International LLC
Y1BZ Construction of Other Airfield Structures	$1,079,046,053	Harper Construction Company Inc.
Y1BG Construction of Electronic and Communications Facilities	$880,932,406	Core Tech-Hdcc-Kajima LLC
Y1KF Construction of Dredging Facilities	$732,676,968	Manson Construction Co
Y1DZ Construction of Other Hospital Buildings	$695,832,904	S.j. Amoroso Construction Co., LLC
Y1NZ Construction of Other Utilities	$618,750,281	Amber Infrastructure LLC
Y1BD Construction of Airport Runways and Taxiways	$552,669,600	Slsco, Ltd.
Y1NE Construction of Water Supply Facilities	$540,663,548	Jacobs Government Services Company
Y1DB Construction of Laboratories and Clinics	$513,862,950	J.e. Dunn Construction Company
Y1EZ Construction of Other Industrial Buildings	$509,323,719	The Whiting-Turner Contracting Company
Y1EA Construction of Ammunition Facilities	$473,333,761	Parsons Corporation
Y1QA Construction of Restoration of Real Property (Public or Private)	$447,023,888	Stronghold Engineering Inc.
Y1KA Construction of Dams	$408,425,008	Kokosing Alberici Traylor, LLC
Y1FA Construction of Family Housing Facilities	$403,325,368	Global Pacific Design Builders, LLC
Y1KB Construction of Canals	$377,996,125	Tully Construction Co - Thalle Construction Co LLC
Y1EB Construction of Maintenance Buildings	$336,669,100	RQ Construction, LLC
Y1BC Construction of Radar and Navigational Facilities	$277,638,194	Black Construction-Tutor Perini JV
Y1NB Construction of Heating and Cooling Plants	$249,590,156	Sgjv2, LLC
Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways	$202,973,861	Weeks-Cashman JV
Y1FC Construction of Troop Housing Facilities	$201,675,173	Walsh-Western Wood JV
Y1CZ Construction of Other Educational Buildings	$182,530,014	Slsco, Ltd.
Y1JA Construction of Museums and Exhibition Buildings	$133,500,379	Smoot Construction LLC
Y1GC Construction of Fuel Storage Buildings	$120,277,297	Reliable Contracting Group, LLC
Y1LZ Construction of Parking Facilities	$112,206,440	Nan Inc.
Y1NA Construction of Fuel Supply Facilities	$107,561,777	Emerson Construction Company, Inc.
Y1GZ Construction of Other Warehouse Buildings	$102,547,597	The Whiting-Turner Contracting Company
Y1ND Construction of Sewage and Waste Facilities	$71,062,434	PCL Construction Inc
Y1PA Construction of Recreation Facilities (Non-Building)	$61,922,701	Dickerson Infrastructure Inc.
Y1PC Construction of Unimproved Real Property (Land)	$59,896,116	Ahtna-Great Lakes E&I JV
Y1FZ Construction of Other Residential Buildings	$55,941,693	J.i. Garcia Construction, Inc.

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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 $33.1 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 PSC Y1 contractors in FY2025?

1. Bccg A Joint Venture ($3.13B), 2. Dragados / Hawaiian Dredging / Orion JV ($1.47B), 3. Bechtel Corp ($1.06B), 4. Fisher Sand & Gravel Co ($928M), 5. Peter Kiewit Sons', Inc. ($822M), 6. Barnard Spencer Joint Venture ($778M), 7. BL Harbert International LLC ($637M), 8. The Whiting-Turner Contracting Company ($569M), 9. Hensel Phelps Construction Co ($469M), 10. Core Tech-Hdcc-Kajima LLC ($458M).

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