Top 100 Contractors in NAICS 23622: Commercial and Institutional Building Construction, FY2023

Name: Top 100 Contractors in NAICS 23622: Commercial and Institutional Building Construction, FY2023
Creator: GovTribe

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

The top 10 won 18% of FY2023 NAICS 23622 contract dollars

Contract obligations: $32,929,265,169 Net of deobligations, by contracts coded NAICS 23622 or a code under it
Contractors: 3,384 Parent companies with an obligation
Largest contractor: Weston Solutions Holdings, Inc. $1.05 billion, 3.1% 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	Weston Solutions Holdings, Inc. Through Weston Solutions Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$1,052,190,361	3.1%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2024 and not on the FY2025 list; up 184 since FY2022.
2	The Whiting-Turner Contracting Company Top agencies Navy (Department of the Navy) Commerce (Department of Commerce) DHS (Department of Homeland Security)	$669,613,654	2.0%	Rank history: #3 in FY2021, #6 in FY2022, #6 in FY2024 and #5 in FY2025; up 4 since FY2022.
3	Brasfield & Gorrie LLC Top agencies DOJ (Department of Justice) GSA (General Services Administration) DHS (Department of Homeland Security)	$662,674,135	2.0%	Rank history: #17 in FY2021, #25 in FY2022, #5 in FY2024 and #9 in FY2025; up 22 since FY2022.
4	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 #3 in FY2025; new.
5	Clark Construction Group LLC 2 awardees, including Atkinson / Clark, A Joint Venture Top agencies DOJ (Department of Justice) Navy (Department of the Navy) Smithsonian (Smithsonian Institution)	$608,573,934	1.8%	Rank history: #16 in FY2021, #18 in FY2022, #1 in FY2024 and #8 in FY2025; up 13 since FY2022.
6	Walsh Federal LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$591,426,911	1.8%	Rank history: #28 in FY2021, #17 in FY2022, #22 in FY2024 and #11 in FY2025; up 11 since FY2022.
7	Slsco, Ltd. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$529,894,847	1.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #32 in FY2025; up 135 since FY2022.
8	B.l. Harbert Holdings, L.L.C. Through BL Harbert International LLC Top agencies Army (Department of the Army) DOS (Department of State) Navy (Department of the Navy)	$496,898,419	1.5%	Rank history: #4 in FY2021, #3 in FY2022, #4 in FY2024 and not on the FY2025 list; down 5 since FY2022.
9	Gilbane Federal 2 awardees, including Gilbane Japan GK Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$480,459,337	1.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
10	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)	$472,749,603	1.4%	Rank history: #1 in FY2021, #1 in FY2022, #2 in FY2024 and #7 in FY2025; down 9 since FY2022.
11	ACS Actividades DE Construccion Y Servicios SA 2 awardees, including Turner Construction Company and Dragados Sociedad Anonima Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$470,496,730	1.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
12	RQ Construction, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$458,665,846	1.4%	Rank history: #6 in FY2021, #5 in FY2022, #13 in FY2024 and #6 in FY2025; down 7 since FY2022.
13	Structsure Projects Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army) DOT (Department of Transportation)	$408,355,147	1.2%	Rank history: not on the FY2021 list, #35 in FY2022, #57 in FY2024 and #22 in FY2025; up 22 since FY2022.
14	The Walsh Group 4 awardees, including Walsh Construction Company II, LLC, Archer Western Federal JV and Walsh Construction Company Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) Navy (Department of the Navy)	$395,131,682	1.2%	Rank history: #5 in FY2021, #47 in FY2022 and not on the FY2024–FY2025 lists; up 33 since FY2022.
15	Grunley Construction Co., Inc. Top agencies Army (Department of the Army) Smithsonian (Smithsonian Institution) DOS (Department of State)	$360,844,842	1.1%	Rank history: #21 in FY2021, #7 in FY2022, #17 in FY2024 and #29 in FY2025; down 8 since FY2022.
16	Aici-Archirodon JV LLC Top agencies Army (Department of the Army)	$348,575,214	1.0%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and not on the FY2025 list; new.
17	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: #56 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
18	Nan Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$341,753,882	1.0%	Rank history: not on the FY2021 list, #24 in FY2022, #38 in FY2024 and #12 in FY2025; up 6 since FY2022.
19	Fisher Sand & Gravel Co 2 awardees Top agencies DHS (Department of Homeland Security)	$282,563,566	0.8%	Rank history: not on the FY2021 list, #78 in FY2022 and not on the FY2024–FY2025 lists; up 59 since FY2022.
20	Consigli Holdings Inc. Through Consigli Construction Co., Inc. Top agencies GSA (General Services Administration) Army (Department of the Army) DOI (Department of the Interior)	$280,437,454	0.8%	Rank history: not on the FY2021 list, #91 in FY2022, #50 in FY2024 and not on the FY2025 list; up 71 since FY2022.
21	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)	$276,560,489	0.8%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2024 and not on the FY2025 list; new.
22	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, #22 in FY2022, #67 in FY2024 and #61 in FY2025; unchanged since FY2022.
23	Richard Group LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) DOJ (Department of Justice)	$264,371,818	0.8%	Rank history: not on the FY2021 list, #21 in FY2022, #26 in FY2024 and not on the FY2025 list; down 2 since FY2022.
24	R.a. Burch Construction Co., Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$259,942,735	0.8%	Rank history: #53 in FY2021, not on the FY2022 list, #56 in FY2024 and #47 in FY2025; up 375 since FY2022.
25	Nishimatsu Construction Co.,Ltd. Top agencies Army (Department of the Army)	$254,913,979	0.8%	Rank history: #42 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
26	Harper Construction Company, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$251,168,989	0.7%	Rank history: #8 in FY2021, #16 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
27	Pernix International, LLC Top agencies DOS (Department of State)	$249,524,304	0.7%	Rank history: #7 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
28	Core Tech-Hdcc-Kajima LLC Top agencies Navy (Department of the Navy)	$230,958,683	0.7%	Rank history: #14 in FY2021, not on the FY2022 list, #18 in FY2024 and #18 in FY2025; returned.
29	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)	$228,309,980	0.7%	Rank history: #58 in FY2021, #15 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
30	JX Holdings Inc. 2 awardees, including Nippo Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$227,038,969	0.7%	Rank history: #34 in FY2021, #29 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
31	Conti Federal Services, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$200,615,480	0.6%	Rank history: not on the FY2021 list, #8 in FY2022, #9 in FY2024 and #30 in FY2025; down 23 since FY2022.
32	Cherokee Nation Through Cherokee CRC LLC Top agencies DOI (Department of the Interior) WHS (DOD Washington Headquarters Service)	$188,099,918	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 130 since FY2022.
33	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, #31 in FY2024 and not on the FY2025 list; new.
34	Guyco Inc Top agencies Army (Department of the Army)	$170,757,952	0.5%	Rank history: not on the FY2021 list, #27 in FY2022, #40 in FY2024 and not on the FY2025 list; down 7 since FY2022.
35	Messer Construction Co Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command) GSA (General Services Administration)	$162,801,664	0.5%	Rank history: #31 in FY2021, not on the FY2022 list, #41 in FY2024 and not on the FY2025 list; up 268 since FY2022.
36	Environmental Chemical Corporation 9 awardees, including Contrack ECC LLC, ECC Diego Garcia LLC and Environmental Chemical Corporation Italy S.R.L. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$158,690,760	0.5%	Rank history: not on the FY2021 list, #4 in FY2022, #75 in FY2024 and not on the FY2025 list; down 32 since FY2022.
37	HHI Corporation Top agencies USAF (Department of the Air Force) Army (Department of the Army) Commerce (Department of Commerce)	$155,826,778	0.5%	Rank history: #57 in FY2021, #48 in FY2022, #45 in FY2024 and not on the FY2025 list; up 11 since FY2022.
38	Tutor Perini Corporation 3 awardees, including Perini Management Services, Inc. and ROY Anderson Corp Top agencies Army (Department of the Army) DOI (Department of the Interior) DHS (Department of Homeland Security)	$149,349,683	0.4%	Rank history: #15 in FY2021, #11 in FY2022, #64 in FY2024 and not on the FY2025 list; down 27 since FY2022.
39	The Povolny Group Inc. Top agencies VA (Department of Veterans Affairs)	$144,942,052	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 108 since FY2022.
40	CMS Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$140,749,143	0.4%	Rank history: #29 in FY2021, #42 in FY2022, #11 in FY2024 and #52 in FY2025; up 2 since FY2022.
41	AC JV One LLC Top agencies VA (Department of Veterans Affairs)	$131,098,831	0.4%	Rank history: not on the FY2021 list, #30 in FY2022, #49 in FY2024 and not on the FY2025 list; down 11 since FY2022.
42	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, #30 in FY2024 and #23 in FY2025; new.
43	Korte Construction Company Top agencies Army (Department of the Army) Navy (Department of the Navy)	$125,320,569	0.4%	Rank history: #23 in FY2021, #56 in FY2022, #16 in FY2024 and #25 in FY2025; up 13 since FY2022.
44	CCI Utility and Construction Services, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$122,396,858	0.4%	Rank history: #37 in FY2021, #28 in FY2022, #27 in FY2024 and #31 in FY2025; down 16 since FY2022.
45	J & J Maintenance Inc. Top agencies Army (Department of the Army) DHA (Defense Health Agency) USAF (Department of the Air Force)	$121,279,078	0.4%	Rank history: #39 in FY2021, #13 in FY2022 and not on the FY2024–FY2025 lists; down 32 since FY2022.
46	Paragon Professional Services LLC Top agencies Army (Department of the Army) DOS (Department of State)	$118,604,803	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
47	American Engineering Corporation 2 awardees, including Oshima Shokai Co., Ltd. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$112,281,786	0.3%	Rank history: not on the FY2021 list, #61 in FY2022 and not on the FY2024–FY2025 lists; up 14 since FY2022.
48	SGS LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$112,063,913	0.3%	Rank history: #81 in FY2021, #58 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
49	Manhattan Construction Company Top agencies Army (Department of the Army) Navy (Department of the Navy)	$111,825,576	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	M. a. Mortenson Companies Inc. Through M.a. Mortenson Company Top agencies Army (Department of the Army) DHS (Department of Homeland Security) USDA (Department of Agriculture)	$110,759,343	0.3%	Rank history: #44 in FY2021, #31 in FY2022 and not on the FY2024–FY2025 lists; down 19 since FY2022.
51	ACC Construction Co., Inc. Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command)	$110,364,205	0.3%	Rank history: #30 in FY2021, #55 in FY2022, #62 in FY2024 and #15 in FY2025; up 4 since FY2022.
52	ESA South, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) USAF (Department of the Air Force)	$109,444,962	0.3%	Rank history: #92 in FY2021, #37 in FY2022, #73 in FY2024 and #42 in FY2025; down 15 since FY2022.
53	Signature Renovations LLC Top agencies Army (Department of the Army) WHS (DOD Washington Headquarters Service) DOJ (Department of Justice)	$95,914,559	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 145 since FY2022.
54	Sealaska Corporation 2 awardees, including Sealaska Constructors LLC Top agencies DOI (Department of the Interior) USAF (Department of the Air Force)	$93,830,015	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 57 since FY2022.
55	Olgoonik Enterprises, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) Commerce (Department of Commerce)	$92,742,539	0.3%	Rank history: not on the FY2021 list, #95 in FY2022, #78 in FY2024 and #55 in FY2025; up 40 since FY2022.
56	Bering Straits Native Corporation 5 awardees, including Stampede Ventures, Inc., Arcticom, LLC and Eagle Eye Electric LLC Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) DOS (Department of State)	$90,964,407	0.3%	Rank history: not on the FY2021 list, #85 in FY2022, not on the FY2024 list and #45 in FY2025; up 29 since FY2022.
57	SKE Support Services GMBH 2 awardees, including Sicra ILE De France Top agencies DOS (Department of State) USAF (Department of the Air Force) Army (Department of the Army)	$90,407,518	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 259 since FY2022.
58	Emr, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$89,929,362	0.3%	Rank history: #96 in FY2021, #41 in FY2022, #76 in FY2024 and #39 in FY2025; down 17 since FY2022.
59	Bryan 77 Construction JV, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$84,447,156	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	The Nutmeg Companies, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) GSA (General Services Administration)	$83,820,042	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
61	MVL USA Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$82,796,670	0.2%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2024 and not on the FY2025 list; up 293 since FY2022.
62	Sgjv, LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs)	$81,792,272	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 146 since FY2022.
63	Pacific Rim Constructors Inc. Top agencies Navy (Department of the Navy)	$79,767,273	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #90 in FY2025; up 405 since FY2022.
64	Walsh - Turner JV II Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$76,101,135	0.2%	Rank history: #2 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
65	Bristol Design Build Services, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$75,176,971	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 130 since FY2022.
66	Bristol Bay Native Corporation 7 awardees, including Bristol General Contractors, LLC, SES Infrastructure Services LLC and CCI Energy and Construction Services, LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) USAF (Department of the Air Force)	$75,116,897	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	Sea PAC Engineering Inc Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration) GSA (General Services Administration)	$74,857,481	0.2%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2024 and #36 in FY2025; new.
68	American International Contractors Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$74,828,730	0.2%	Rank history: not on the FY2021 list, #53 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
69	Advanced Technology Construction Corporation Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$74,530,449	0.2%	Rank history: #79 in FY2021, not on the FY2022 list, #74 in FY2024 and not on the FY2025 list; returned.
70	Turner Construction Company 2 awardees, including Sociedad Espanola De Montajes Industriales SA Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) GSA (General Services Administration)	$73,717,440	0.2%	Rank history: #18 in FY2021, #43 in FY2022 and not on the FY2024–FY2025 lists; down 27 since FY2022.
71	Ross Group Construction Corporation, LLC Top agencies Army (Department of the Army) GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts)	$72,293,033	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
72	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)	$71,835,877	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 162 since FY2022.
73	Guarantee Interiors, Inc. Top agencies VA (Department of Veterans Affairs)	$69,976,156	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 70 since FY2022.
74	MLU Services, LLC Top agencies DHS (Department of Homeland Security)	$69,241,696	0.2%	Rank history: not on the FY2021 list, #32 in FY2022, not on the FY2024 list and #58 in FY2025; down 42 since FY2022.
75	I.e.-Pacific, Inc. Top agencies Navy (Department of the Navy)	$68,193,678	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 65 since FY2022.
76	Obayashi Corporation 3 awardees, including E.w. Howell Co., LLC and Webcor Construction LP Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$67,813,789	0.2%	Rank history: #19 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 206 since FY2022.
77	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.
78	Butt Construction Company, Incorporated Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$66,852,842	0.2%	Rank history: not on the FY2021 list, #92 in FY2022, #66 in FY2024 and not on the FY2025 list; up 14 since FY2022.
79	Black Construction-Tutor Perini JV Top agencies Navy (Department of the Navy)	$65,214,032	0.2%	Rank history: not on the FY2021 list, #19 in FY2022, #19 in FY2024 and #35 in FY2025; down 60 since FY2022.
80	Facility Services Management, Inc. 2 awardees, including FSI Construction, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$64,735,892	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #37 in FY2025; new.
81	Military & Federal Construction Co., Inc. Top agencies Navy (Department of the Navy)	$64,537,241	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 67 since FY2022.
82	Porr AG 4 awardees, including Porr Government Services GMBH, Porr Government Services Italy SRL and Porr Government Services Poland SP. Z O.o. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DODEA (Department of Defense Education Activity)	$64,414,015	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 330 since FY2022.
83	Desbuild Incorporated Top agencies DOS (Department of State) Navy (Department of the Navy) Army (Department of the Army)	$63,867,536	0.2%	Rank history: #71 in FY2021, #59 in FY2022, #93 in FY2024 and not on the FY2025 list; down 24 since FY2022.
84	SES Construction and Fuel Services LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency) USAF (Department of the Air Force)	$63,311,897	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 281 since FY2022.
85	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.
86	Olgoonik Federal LLC 6 awardees, including Olgoonik Logistics, LLC, Olgoonik General, LLC and Olgoonik Specialty Contractors LLC Top agencies DOS (Department of State) HHS (Department of Health and Human Services) Army (Department of the Army)	$62,655,314	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
87	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.
88	The Haskell Company Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) Army (Department of the Army)	$57,486,332	0.2%	Rank history: not on the FY2021 list, #77 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
89	Watterson Construction Co Top agencies Army (Department of the Army)	$57,462,217	0.2%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2024 and not on the FY2025 list; new.
90	SES Electrical LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$57,059,338	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #100 in FY2025; up 35 since FY2022.
91	Insight Environmental Engineering & Construction, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$55,824,830	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	Nisou LGC JV II LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$55,323,946	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 213 since FY2022.
93	Bates Engineers / Contractors Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$54,641,659	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 307 since FY2022.
94	Aptim Federal Services LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$54,616,208	0.2%	Rank history: #27 in FY2021, #23 in FY2022 and not on the FY2024–FY2025 lists; down 71 since FY2022.
95	Dobco Inc Top agencies Army (Department of the Army)	$53,921,421	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Tepa Construction Solutions, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$53,916,043	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Rbvetco, LLC Top agencies VA (Department of Veterans Affairs)	$53,448,264	0.2%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2024 and not on the FY2025 list; up 265 since FY2022.
98	Rq-Aecom 2 JV Top agencies DHS (Department of Homeland Security)	$52,888,625	0.2%	Rank history: #36 in FY2021, #34 in FY2022 and not on the FY2024–FY2025 lists; down 64 since FY2022.
99	Native American Services Corp. Top agencies Army (Department of the Army) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$52,864,779	0.2%	Rank history: not on the FY2021 list, #71 in FY2022, #99 in FY2024 and #71 in FY2025; down 28 since FY2022.
100	Arkel International, L.L.C. Top agencies DOS (Department of State)	$52,141,275	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.

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100 of 3,384 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 23622

Code	Net obligations	Largest contractor
236220 Commercial and Institutional Building Construction	$32,929,265,169	Weston Solutions Holdings, Inc.

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 $33.7 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 NAICS 23622 contractors in FY2023?

1. Weston Solutions Holdings, Inc. ($1.05B), 2. The Whiting-Turner Contracting Company ($670M), 3. Brasfield & Gorrie LLC ($663M), 4. Barnard Spencer Joint Venture ($628M), 5. Clark Construction Group LLC ($609M), 6. Walsh Federal LLC ($591M), 7. Slsco, Ltd. ($530M), 8. B.l. Harbert Holdings, L.L.C. ($497M), 9. Gilbane Federal ($480M), 10. Hensel Phelps Construction Co ($473M).

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