Top 100 Contractors in PSC Y: Construction of Structures/Facilities, FY2023

Name: Top 100 Contractors in PSC Y: Construction of Structures/Facilities, FY2023
Creator: GovTribe

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

The top 10 won 17% of FY2023 PSC Y contract dollars

Contract obligations: $32,173,236,926 Net of deobligations, by contracts coded PSC Y or a code under it
Contractors: 3,445 Parent companies with an obligation
Largest contractor: Walsh Federal LLC $697 million, 2.1% 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	Walsh Federal LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$696,549,004	2.1%	Rank history: #32 in FY2021, #16 in FY2022, #26 in FY2024 and #17 in FY2025; up 15 since FY2022.
2	Brasfield & Gorrie LLC Top agencies DOJ (Department of Justice) GSA (General Services Administration) DHS (Department of Homeland Security)	$657,335,102	2.0%	Rank history: #31 in FY2021, #62 in FY2022, not on the FY2024 list and #12 in FY2025; up 60 since FY2022.
3	Barnard Spencer Joint Venture Top agencies DHS (Department of Homeland Security)	$628,001,744	1.9%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #6 in FY2025; new.
4	Gilbane Federal 2 awardees, including Gilbane Japan GK Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$611,855,352	1.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
5	Clark Construction Group LLC 3 awardees, including Atkinson / Clark, A Joint Venture Top agencies DOJ (Department of Justice) Navy (Department of the Navy) Smithsonian (Smithsonian Institution)	$605,011,571	1.8%	Rank history: #20 in FY2021, #24 in FY2022, #1 in FY2024 and #22 in FY2025; up 19 since FY2022.
6	Bechtel Corp 2 awardees, including Bechtel National, Inc. Top agencies DOE (Department of Energy)	$579,177,600	1.7%	Rank history: #2 in FY2021, #8 in FY2022, #4 in FY2024 and #3 in FY2025; up 2 since FY2022.
7	DB Netz AG Regionalnetz Oberpfalz Top agencies Army (Department of the Army)	$526,994,816	1.6%	Rank history: not on the FY2021 list, #74 in FY2022, #37 in FY2024 and #52 in FY2025; up 67 since FY2022.
8	Slsco, Ltd. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$518,591,793	1.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #28 in FY2025; up 128 since FY2022.
9	The Walsh Group 6 awardees, including Walsh Construction Company II, LLC, Archer Western Federal JV and Archer Western Construction LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) Navy (Department of the Navy)	$493,955,639	1.5%	Rank history: #7 in FY2021, #23 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
10	Dragados / Hawaiian Dredging / Orion JV Top agencies Navy (Department of the Navy)	$463,600,000	1.4%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2024 and #2 in FY2025; new.
11	381 Constructors Top agencies Navy (Department of the Navy)	$444,707,710	1.3%	Rank history: #55 in FY2021, #5 in FY2022, #10 in FY2024 and #14 in FY2025; down 6 since FY2022.
12	B.l. Harbert Holdings, L.L.C. Through BL Harbert International LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) DOS (Department of State)	$440,721,978	1.3%	Rank history: #9 in FY2021, #4 in FY2022, #7 in FY2024 and not on the FY2025 list; down 8 since FY2022.
13	Hensel Phelps Construction Co 8 awardees, including Hensel Phelps - Shimizu JV Top agencies Army (Department of the Army) Navy (Department of the Navy) GSA (General Services Administration)	$417,887,929	1.3%	Rank history: #3 in FY2021, #1 in FY2022, #3 in FY2024 and #9 in FY2025; down 12 since FY2022.
14	Balfour Beatty LLC 2 awardees, including Balfour Beatty Construction, LLC Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command) Navy (Department of the Navy)	$347,445,168	1.0%	Rank history: #72 in FY2021, #27 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
15	Aici-Archirodon JV LLC Top agencies Army (Department of the Army)	$344,275,982	1.0%	Rank history: not on the FY2021 list, #77 in FY2022, #67 in FY2024 and not on the FY2025 list; up 62 since FY2022.
16	Great Lakes Dredge & Dock Corporation 2 awardees, including Forgen LLC Top agencies Army (Department of the Army)	$343,258,981	1.0%	Rank history: #6 in FY2021, #32 in FY2022, #47 in FY2024 and #91 in FY2025; up 16 since FY2022.
17	Peter Kiewit Sons', Inc. 9 awardees, including Kiewit Infrastructure West Co., Weeks Marine, Inc. and Kiewit Infrastructure Co. Top agencies Army (Department of the Army) DOI (Department of the Interior) VA (Department of Veterans Affairs)	$316,317,421	1.0%	Rank history: #18 in FY2021, #41 in FY2022, #9 in FY2024 and #5 in FY2025; up 24 since FY2022.
18	Granite Construction Company Guam Through Granite Construction Company Top agencies Army (Department of the Army) DOT (Department of Transportation) DHS (Department of Homeland Security)	$315,018,886	0.9%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2024 and #27 in FY2025; new.
19	Nan Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$293,967,692	0.9%	Rank history: not on the FY2021 list, #30 in FY2022, #49 in FY2024 and #18 in FY2025; up 11 since FY2022.
20	Black Micro Corporation Top agencies Navy (Department of the Navy)	$291,215,393	0.9%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 98 since FY2022.
21	Kokosing Alberici Traylor, LLC Top agencies Army (Department of the Army)	$276,349,913	0.8%	Rank history: not on the FY2021 list, #3 in FY2022, #11 in FY2024 and #50 in FY2025; down 18 since FY2022.
22	The Whiting-Turner Contracting Company Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$268,371,727	0.8%	Rank history: #5 in FY2021, #14 in FY2022, #13 in FY2024 and #8 in FY2025; down 8 since FY2022.
23	Fisher Sand & Gravel Co 2 awardees Top agencies DHS (Department of Homeland Security)	$264,431,926	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
24	Federal Contracting Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$264,422,139	0.8%	Rank history: not on the FY2021 list, #31 in FY2022, #79 in FY2024 and #64 in FY2025; up 7 since FY2022.
25	RQ Construction, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$261,473,972	0.8%	Rank history: #10 in FY2021, #11 in FY2022, #22 in FY2024 and #16 in FY2025; down 14 since FY2022.
26	Richard Group LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) Navy (Department of the Navy)	$256,759,291	0.8%	Rank history: not on the FY2021 list, #33 in FY2022, #54 in FY2024 and not on the FY2025 list; up 7 since FY2022.
27	Nishimatsu Construction Co.,Ltd. Top agencies Army (Department of the Army)	$254,913,979	0.8%	Rank history: #49 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
28	Manson Construction Co. Top agencies Army (Department of the Army) USDA (Department of Agriculture) Navy (Department of the Navy)	$253,119,705	0.8%	Rank history: #78 in FY2021, #26 in FY2022, #20 in FY2024 and #21 in FY2025; down 2 since FY2022.
29	JX Holdings Inc. 2 awardees, including Nippo Corporation Top agencies Army (Department of the Army) DFAS (Defense Finance and Accounting Service) USAF (Department of the Air Force)	$250,327,131	0.8%	Rank history: not on the FY2021 list, #22 in FY2022 and not on the FY2024–FY2025 lists; down 7 since FY2022.
30	Pernix International, LLC Top agencies DOS (Department of State)	$249,524,304	0.8%	Rank history: #11 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
31	Sauer Holdings Inc. Through Sauer Construction, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USSOCOM (United States Special Operations Command)	$238,453,526	0.7%	Rank history: #34 in FY2021, #43 in FY2022 and not on the FY2024–FY2025 lists; up 12 since FY2022.
32	BAE Systems PLC Through BAE Systems Ordnance Systems Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$238,178,338	0.7%	Rank history: #8 in FY2021, #42 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
33	Parsons Corporation 3 awardees, including Parsons Government Services Inc. and Parsons Government Services International Inc. Top agencies Army (Department of the Army) DTRA (Defense Threat Reduction Agency)	$219,160,558	0.7%	Rank history: #14 in FY2021, not on the FY2022 list, #60 in FY2024 and #31 in FY2025; up 124 since FY2022.
34	Core TECH International Corporation Top agencies Navy (Department of the Navy)	$216,876,256	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
35	Stronghold Engineering Inc. Top agencies DOI (Department of the Interior) VA (Department of Veterans Affairs) Army (Department of the Army)	$214,174,957	0.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #100 in FY2025; new.
36	Hensel Phelps - Shimizu JV 6 awardees, including Hensel Phelps Construction Co Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$209,448,070	0.6%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2024 and not on the FY2025 list; new.
37	Grunley Construction Co., Inc. Top agencies Army (Department of the Army) DOS (Department of State) DOI (Department of the Interior)	$202,997,987	0.6%	Rank history: #36 in FY2021, #18 in FY2022, #70 in FY2024 and #43 in FY2025; down 19 since FY2022.
38	The Dutra Group 2 awardees, including San Rafael Rock Quarry, Inc. Top agencies Army (Department of the Army)	$199,376,007	0.6%	Rank history: #73 in FY2021, #86 in FY2022, #56 in FY2024 and not on the FY2025 list; up 48 since FY2022.
39	Core Tech-Hdcc-Kajima LLC Top agencies Navy (Department of the Navy)	$193,042,181	0.6%	Rank history: #4 in FY2021, not on the FY2022 list, #23 in FY2024 and #10 in FY2025; returned.
40	Cherokee Nation 2 awardees, including Cherokee CRC LLC and Cherokee Federal Solutions, L.L.C. Top agencies DOI (Department of the Interior) WHS (DOD Washington Headquarters Service) USAF (Department of the Air Force)	$188,145,232	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
41	Forgen-Odin JV Top agencies Army (Department of the Army)	$183,952,314	0.6%	Rank history: not on the FY2021 list, #12 in FY2022 and not on the FY2024–FY2025 lists; down 29 since FY2022.
42	M. a. Mortenson Companies Inc. Through M.a. Mortenson Company Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$178,036,343	0.5%	Rank history: #54 in FY2021, #37 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
43	MW Builders Inc. Through Cerris Builders, Inc. Top agencies Army (Department of the Army)	$175,983,165	0.5%	Rank history: not on the FY2021–FY2022 lists, #42 in FY2024 and not on the FY2025 list; new.
44	R.a. Burch Construction Co., Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$161,021,525	0.5%	Rank history: #69 in FY2021, not on the FY2022 list, not on the FY2024 list and #62 in FY2025; up 308 since FY2022.
45	Turner Construction Company 3 awardees, including Flatiron Dragados Constructors, Inc. and Sociedad Espanola De Montajes Industriales SA Top agencies Army (Department of the Army) Navy (Department of the Navy) DOT (Department of Transportation)	$160,815,054	0.5%	Rank history: #50 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 126 since FY2022.
46	Harper Construction Company, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$159,693,577	0.5%	Rank history: #13 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; down 18 since FY2022.
47	Callan Marine Ltd Top agencies Army (Department of the Army)	$156,979,446	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	A&R Pacific-Garney Federal JV Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$154,914,062	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	Structsure Projects Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army) DOT (Department of Transportation)	$153,089,519	0.5%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #59 in FY2025; up 179 since FY2022.
50	Conti Federal Services, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$148,129,528	0.4%	Rank history: not on the FY2021 list, #17 in FY2022, #12 in FY2024 and #40 in FY2025; down 33 since FY2022.
51	Rq-Magann JV Top agencies Navy (Department of the Navy)	$144,279,121	0.4%	Rank history: not on the FY2021 list, #68 in FY2022, #77 in FY2024 and not on the FY2025 list; up 17 since FY2022.
52	Appalachian Aggregates LLC 3 awardees, including H-K Contractors, Inc. and Staker & Parson Companies Top agencies DOT (Department of Transportation)	$126,518,667	0.4%	Rank history: not on the FY2021 list, #58 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
53	Granite-Obayashi 2, A Joint Venture Top agencies Navy (Department of the Navy)	$126,132,400	0.4%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2024 and #25 in FY2025; new.
54	Korte Construction Company Top agencies Army (Department of the Army) Navy (Department of the Navy)	$125,125,096	0.4%	Rank history: #27 in FY2021, not on the FY2022 list, #34 in FY2024 and #35 in FY2025; up 52 since FY2022.
55	The Povolny Group Inc. Top agencies VA (Department of Veterans Affairs)	$124,258,718	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 61 since FY2022.
56	Construction Management Resources Inc. Through Wagman Heavy Civil Inc. Top agencies DOT (Department of Transportation)	$122,777,776	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
57	Environmental Chemical Corporation 9 awardees, including Contrack ECC LLC, ECC Infrastructure LLC and Ecci-C Metag JV Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$116,138,933	0.3%	Rank history: not on the FY2021 list, #6 in FY2022, #89 in FY2024 and not on the FY2025 list; down 51 since FY2022.
58	B & K Construction Co L.l.c Top agencies Army (Department of the Army)	$115,070,572	0.3%	Rank history: #64 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
59	Messer Construction Co Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command)	$114,511,696	0.3%	Rank history: #37 in FY2021, not on the FY2022 list, #69 in FY2024 and not on the FY2025 list; returned.
60	Folsom Dam Constructors Top agencies Army (Department of the Army)	$114,160,416	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
61	CMS Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$113,634,810	0.3%	Rank history: not on the FY2021 list, #66 in FY2022, #18 in FY2024 and #58 in FY2025; up 5 since FY2022.
62	The Cianbro Companies Through Cianbro Corporation Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$113,038,678	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 120 since FY2022.
63	SGS LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$111,669,492	0.3%	Rank history: #91 in FY2021, #82 in FY2022 and not on the FY2024–FY2025 lists; up 19 since FY2022.
64	Manhattan Construction Company Top agencies Army (Department of the Army) Navy (Department of the Navy)	$110,818,711	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
65	Odin Environmental Solutions, LLC Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico) Army (Department of the Army)	$94,475,990	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 68 since FY2022.
66	LPC Contractors Inc. Top agencies DOT (Department of Transportation)	$93,108,136	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 112 since FY2022.
67	Bristol Bay Native Corporation 8 awardees, including Bristol General Contractors, LLC, Panhandle Power Solutions LLC and CCI Energy and Construction Services, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$89,410,869	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	Dynamic Construction Group LLC Through Dynamic Group, LLC Top agencies Army (Department of the Army)	$88,466,872	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Emr, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$86,395,844	0.3%	Rank history: #97 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
70	Bryan 77 Construction JV, LLC Top agencies Army (Department of the Army)	$84,416,960	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	Consigli Holdings Inc. Through Consigli Construction Co., Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior) Navy (Department of the Navy)	$84,195,421	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	Bcss, LLC Top agencies Navy (Department of the Navy) DOI (Department of the Interior) DHS (Department of Homeland Security)	$84,167,899	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Onshore Materials, L.L.C. Top agencies Army (Department of the Army)	$83,065,601	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	MVL USA Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$79,821,635	0.2%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2024 and not on the FY2025 list; up 241 since FY2022.
75	ACS Actividades DE Construccion Y Servicios SA 3 awardees, including Dragados Sociedad Anonima, Turner Construction Company and Flatiron Dragados West LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$79,350,644	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Pacific Rim Constructors Inc. Top agencies Navy (Department of the Navy)	$78,361,385	0.2%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2024 and not on the FY2025 list; new.
77	Donjon Marine Co., LLC Top agencies Army (Department of the Army)	$77,492,278	0.2%	Rank history: #46 in FY2021, #61 in FY2022, #99 in FY2024 and not on the FY2025 list; down 16 since FY2022.
78	Tutor Perini Corporation 5 awardees, including Perini Management Services, Inc., Black Construction Corporation and Cherry Hill Construction Inc. Top agencies DOI (Department of the Interior) Navy (Department of the Navy) DHS (Department of Homeland Security)	$77,450,035	0.2%	Rank history: #12 in FY2021, #9 in FY2022 and not on the FY2024–FY2025 lists; down 69 since FY2022.
79	Walsh - Turner JV II Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$76,101,135	0.2%	Rank history: #1 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
80	Sealaska Corporation Through Sealaska Constructors LLC Top agencies DOI (Department of the Interior)	$75,771,865	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 216 since FY2022.
81	Anduril Industries Inc. Top agencies DHS (Department of Homeland Security)	$75,070,074	0.2%	Rank history: not on the FY2021 list, #75 in FY2022, #78 in FY2024 and #37 in FY2025; down 6 since FY2022.
82	Steve Manning Construction Inc. Top agencies DOT (Department of Transportation)	$74,832,255	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #97 in FY2025; up 41 since FY2022.
83	American International Contractors Inc. Top agencies Army (Department of the Army)	$72,811,903	0.2%	Rank history: not on the FY2021 list, #73 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
84	Zafer Taahhut Insaat VE Ticaret Anonim Sirketi Top agencies USAF (Department of the Air Force) Army (Department of the Army) MDA (DOD Missile Defense Agency)	$72,079,344	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
85	Black Construction-Tutor Perini JV Top agencies Navy (Department of the Navy)	$71,166,601	0.2%	Rank history: #39 in FY2021, #13 in FY2022, #24 in FY2024 and #42 in FY2025; down 72 since FY2022.
86	SKE Support Services GMBH 2 awardees, including Sicra ILE De France Top agencies DOS (Department of State) Army (Department of the Army)	$68,435,258	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 272 since FY2022.
87	Maloney-Odin A Joint Venture Top agencies Army (Department of the Army)	$67,978,364	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Unit Company Top agencies Army (Department of the Army)	$67,661,368	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	S.j. Louis Construction, Inc. Top agencies DOI (Department of the Interior)	$67,314,613	0.2%	Rank history: not on the FY2021 list, #65 in FY2022 and not on the FY2024–FY2025 lists; down 24 since FY2022.
90	Herve Cody Contractor LLC Top agencies Army (Department of the Army)	$65,669,133	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corp Top agencies Navy (Department of the Navy)	$65,276,000	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #46 in FY2025; new.
92	JV AFH Replacement Baumholder Top agencies Army (Department of the Army)	$63,210,272	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Mclean Contracting Company Top agencies Navy (Department of the Navy)	$63,190,700	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Pine Bluff Sand and Gravel Company Top agencies Army (Department of the Army)	$62,770,710	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 116 since FY2022.
95	Luhr Crosby, LLC Top agencies Army (Department of the Army)	$61,127,652	0.2%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2024 and not on the FY2025 list; up 166 since FY2022.
96	HHI Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$60,559,940	0.2%	Rank history: not on the FY2021 list, #89 in FY2022, not on the FY2024 list and #45 in FY2025; down 7 since FY2022.
97	Nova Constructors-Obayashi JV Top agencies Army (Department of the Army)	$60,516,346	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	Southwest Concrete Paving Co Top agencies Navy (Department of the Navy)	$59,830,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Roundhouse PBN - Tepa EC Joint Venture Top agencies Army (Department of the Army)	$59,676,381	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Olgoonik Federal LLC 6 awardees, including Olgoonik General, LLC, Olgoonik Specialty Contractors LLC and Olgoonik Enterprises, LLC Top agencies DOS (Department of State) HHS (Department of Health and Human Services) Army (Department of the Army)	$59,215,113	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 3,445 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC Y

Code	Net obligations	Largest contractor
Y1 Construction of Buildings	$32,162,966,534	Walsh Federal LLC

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 $33.2 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 PSC Y contractors in FY2023?

1. Walsh Federal LLC ($697M), 2. Brasfield & Gorrie LLC ($657M), 3. Barnard Spencer Joint Venture ($628M), 4. Gilbane Federal ($612M), 5. Clark Construction Group LLC ($605M), 6. Bechtel Corp ($579M), 7. DB Netz AG Regionalnetz Oberpfalz ($527M), 8. Slsco, Ltd. ($519M), 9. The Walsh Group ($494M), 10. Dragados / Hawaiian Dredging / Orion JV ($464M).

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