Top 100 Contractors in NAICS 237: Heavy and Civil Engineering Construction, FY2022

Name: Top 100 Contractors in NAICS 237: Heavy and Civil Engineering Construction, FY2022
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2021 – Sep 30, 2022 Code page on GovTribe

The top 10 won 26% of FY2022 NAICS 237 contract dollars

Contract obligations: $13,063,855,038 Net of deobligations, by contracts coded NAICS 237 or a code under it
Contractors: 2,426 Parent companies with an obligation
Largest contractor: Kokosing Alberici Traylor, LLC $1.07 billion, 7.4% 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	Kokosing Alberici Traylor, LLC Top agencies Army (Department of the Army)	$1,070,124,160	7.4%	Rank history: not on the FY2021 list, #9 in FY2023, #6 in FY2024 and #23 in FY2025; new.
2	381 Constructors Top agencies Navy (Department of the Navy)	$417,408,958	2.9%	Rank history: #29 in FY2021, #3 in FY2023, #5 in FY2024 and #5 in FY2025; up 27 since FY2021.
3	Webuild S.p.A. Through The Lane Construction Corporation Top agencies Army (Department of the Army)	$403,468,998	2.8%	Rank history: #3 in FY2021 and not on the FY2023–FY2025 lists; unchanged since FY2021.
4	Forgen-Odin JV Top agencies Army (Department of the Army)	$308,432,096	2.1%	Rank history: not on the FY2021 list, #13 in FY2023, not on the FY2024 list and #73 in FY2025; new.
5	Great Lakes Dredge & Dock Corporation 2 awardees, including Forgen LLC Top agencies Army (Department of the Army)	$307,882,345	2.1%	Rank history: #1 in FY2021, #1 in FY2023, #4 in FY2024 and #6 in FY2025; down 4 since FY2021.
6	Manson Construction Co. Top agencies Army (Department of the Army) Navy (Department of the Navy) DOI (Department of the Interior)	$298,433,496	2.1%	Rank history: #8 in FY2021, #4 in FY2023, #7 in FY2024 and #7 in FY2025; up 2 since FY2021.
7	Michels Corp Top agencies Army (Department of the Army)	$269,103,668	1.9%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 110 since FY2021.
8	Thalle Construction Co Inc. Top agencies Army (Department of the Army)	$213,328,654	1.5%	Rank history: #6 in FY2021 and not on the FY2023–FY2025 lists; down 2 since FY2021.
9	Voith Hydro Inc. Top agencies Army (Department of the Army)	$204,896,176	1.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 227 since FY2021.
10	American Bridge Manufacturing Company 2 awardees, including American Bridge Company Top agencies Army (Department of the Army) DOT (Department of Transportation)	$201,021,420	1.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
11	Brice Turnagain JV LLC Top agencies Army (Department of the Army)	$176,701,104	1.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
12	Bfbc LLC Top agencies Army (Department of the Army)	$175,850,000	1.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
13	Environmental Chemical Corporation 2 awardees, including ECC Infrastructure LLC Top agencies Navy (Department of the Navy)	$173,262,528	1.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
14	Norfolk Dredging Company Top agencies Army (Department of the Army)	$167,964,490	1.2%	Rank history: #17 in FY2021, #17 in FY2023, #35 in FY2024 and #19 in FY2025; up 3 since FY2021.
15	Fort Myer Construction Corp Top agencies DOT (Department of Transportation)	$166,326,014	1.2%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #42 in FY2025; new.
16	Peter Kiewit Sons', Inc. 7 awardees, including Kiewit Infrastructure Co. and Kiewit Infrastructure West Co. Top agencies Army (Department of the Army) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$146,540,484	1.0%	Rank history: #4 in FY2021, #5 in FY2023, #3 in FY2024 and #2 in FY2025; down 12 since FY2021.
17	Weeks Marine Inc. 3 awardees, including Healy Tibbitts Builders, Inc. Top agencies Army (Department of the Army) Commerce (Department of Commerce) DOI (Department of the Interior)	$146,334,578	1.0%	Rank history: #5 in FY2021, #31 in FY2023 and not on the FY2024–FY2025 lists; down 12 since FY2021.
18	Ames Construction, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$140,350,939	1.0%	Rank history: #94 in FY2021 and not on the FY2023–FY2025 lists; up 76 since FY2021.
19	Barnard Construction Company, Incorporated Top agencies Army (Department of the Army)	$132,152,314	0.9%	Rank history: not on the FY2021 list, not on the FY2023 list, #96 in FY2024 and #14 in FY2025; up 309 since FY2021.
20	BWI Tpc, A Joint Venture Top agencies DOI (Department of the Interior)	$125,545,534	0.9%	Rank history: not on the FY2021 list, #51 in FY2023 and not on the FY2024–FY2025 lists; new.
21	NW Construction, Inc. Top agencies DOI (Department of the Interior)	$122,853,413	0.9%	Rank history: not on the FY2021 list, #52 in FY2023, #26 in FY2024 and #11 in FY2025; new.
22	The Walsh Group 3 awardees, including Archer Western Construction, LLC and Archer Western Federal JV Top agencies Army (Department of the Army) DOI (Department of the Interior) Navy (Department of the Navy)	$112,080,171	0.8%	Rank history: #79 in FY2021, #27 in FY2023 and not on the FY2024–FY2025 lists; up 57 since FY2021.
23	Greenup-Cajun JV LLC Top agencies Army (Department of the Army)	$100,021,121	0.7%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
24	Maymead Farms Inc. Through Maymead Inc. Top agencies DOT (Department of Transportation)	$97,959,688	0.7%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
25	Mike Hooks, LLC Top agencies Army (Department of the Army)	$97,799,774	0.7%	Rank history: #49 in FY2021, #66 in FY2023, #64 in FY2024 and #47 in FY2025; up 24 since FY2021.
26	MEB General Contractors Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$86,642,776	0.6%	Rank history: not on the FY2021 list, #53 in FY2023, #23 in FY2024 and #79 in FY2025; up 263 since FY2021.
27	Tutor Perini Corporation 2 awardees, including Black Construction Corporation Top agencies Navy (Department of the Navy)	$85,154,184	0.6%	Rank history: #11 in FY2021 and not on the FY2023–FY2025 lists; down 16 since FY2021.
28	Appalachian Aggregates LLC 4 awardees, including H-K Contractors, Inc., Staker & Parson Companies and Preferred Materials, Inc. Top agencies DOT (Department of Transportation) NASA (National Aeronautics and Space Administration)	$80,915,096	0.6%	Rank history: not on the FY2021 list, #18 in FY2023, #91 in FY2024 and not on the FY2025 list; up 188 since FY2021.
29	Nova Nacap A Joint Venture Top agencies Navy (Department of the Navy)	$80,266,694	0.6%	Rank history: not on the FY2021 list, not on the FY2023 list, #20 in FY2024 and not on the FY2025 list; new.
30	Donjon Marine Co., LLC Top agencies Army (Department of the Army)	$79,768,414	0.6%	Rank history: #20 in FY2021, #33 in FY2023, #46 in FY2024 and #33 in FY2025; down 10 since FY2021.
31	Clyde Companies Inc. Through IHC Scott, Inc. Top agencies Army (Department of the Army)	$77,619,632	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
32	The Cianbro Companies Through Cianbro Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army)	$77,598,123	0.5%	Rank history: #25 in FY2021, #19 in FY2023, #24 in FY2024 and not on the FY2025 list; down 7 since FY2021.
33	S.j. Louis Construction, Inc. Top agencies DOI (Department of the Interior)	$76,789,704	0.5%	Rank history: not on the FY2021 list, #38 in FY2023 and not on the FY2024–FY2025 lists; new.
34	Rq-Magann JV Top agencies Navy (Department of the Navy)	$74,696,000	0.5%	Rank history: not on the FY2021 list, #15 in FY2023, #33 in FY2024 and not on the FY2025 list; new.
35	Granite Construction Incorporated 3 awardees, including Granite Construction Company Guam and Intermountain Slurry Seal, Inc. Top agencies Navy (Department of the Navy) DOT (Department of Transportation) USAF (Department of the Air Force)	$72,938,631	0.5%	Rank history: #76 in FY2021 and not on the FY2023–FY2025 lists; up 41 since FY2021.
36	Reyes Construction, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$72,503,663	0.5%	Rank history: #40 in FY2021, not on the FY2023 list, #27 in FY2024 and #99 in FY2025; up 4 since FY2021.
37	Trade West Construction, Inc. Top agencies Army (Department of the Army)	$67,808,425	0.5%	Rank history: not on the FY2021 list, #46 in FY2023 and not on the FY2024–FY2025 lists; new.
38	Coastal Design & Construction, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$65,306,205	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 249 since FY2021.
39	Aici-Archirodon JV LLC Top agencies Army (Department of the Army)	$63,888,000	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
40	LGC Global, Inc. Top agencies Army (Department of the Army)	$63,559,380	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 116 since FY2021.
41	Orion Marine Group Inc. 3 awardees, including Orion Marine Construction, Inc. and Orion Government Services LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$62,613,230	0.4%	Rank history: #47 in FY2021, #71 in FY2023 and not on the FY2024–FY2025 lists; up 6 since FY2021.
42	Bowen Engineering Corp Top agencies Navy (Department of the Navy)	$60,910,000	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 146 since FY2021.
43	Alberici-Mortenson A Joint Venture Top agencies Navy (Department of the Navy)	$60,847,925	0.4%	Rank history: #2 in FY2021 and not on the FY2023–FY2025 lists; down 41 since FY2021.
44	J.e. Mcamis, Inc. Top agencies Army (Department of the Army)	$57,500,786	0.4%	Rank history: #13 in FY2021, not on the FY2023 list, #81 in FY2024 and not on the FY2025 list; down 31 since FY2021.
45	Luhr Bros., Inc. Top agencies Army (Department of the Army)	$56,744,607	0.4%	Rank history: #22 in FY2021 and not on the FY2023–FY2025 lists; down 23 since FY2021.
46	Encore Dredging Founding Partners LLC Through Inland Dredging Company, L.L.C. Top agencies Army (Department of the Army)	$54,636,763	0.4%	Rank history: #28 in FY2021, #34 in FY2023, #40 in FY2024 and not on the FY2025 list; down 18 since FY2021.
47	Advanced American Construction, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$52,071,375	0.4%	Rank history: not on the FY2021 list, #99 in FY2023, not on the FY2024 list and #87 in FY2025; new.
48	The Dutra Group Top agencies Army (Department of the Army) Navy (Department of the Navy)	$52,043,997	0.4%	Rank history: #7 in FY2021, #10 in FY2023, #21 in FY2024 and #40 in FY2025; down 41 since FY2021.
49	Tybe-Garney Federal JV LLC Top agencies Navy (Department of the Navy)	$51,797,392	0.4%	Rank history: not on the FY2021 list, #78 in FY2023 and not on the FY2024–FY2025 lists; new.
50	Bauer AG Through Bauer Foundation Corp Top agencies Army (Department of the Army)	$51,151,701	0.4%	Rank history: #39 in FY2021 and not on the FY2023–FY2025 lists; down 11 since FY2021.
51	Nova Group Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$51,069,739	0.4%	Rank history: #95 in FY2021, #42 in FY2023, #86 in FY2024 and not on the FY2025 list; up 44 since FY2021.
52	T & T Construction Enterprises, LLC Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$50,989,784	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
53	M.a. Deatley Construction, Inc. Top agencies DOT (Department of Transportation)	$50,330,061	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
54	Maloney-Odin JV Top agencies Army (Department of the Army)	$50,061,742	0.3%	Rank history: #9 in FY2021 and not on the FY2023–FY2025 lists; down 45 since FY2021.
55	Jsr, Inc. Top agencies Army (Department of the Army)	$49,698,820	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
56	Midwest Construction Co Top agencies Army (Department of the Army)	$49,493,112	0.3%	Rank history: #53 in FY2021, #93 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2021.
57	Cashman Dredging and Marine Contracting Co. LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$48,210,203	0.3%	Rank history: #59 in FY2021, #59 in FY2023, #93 in FY2024 and not on the FY2025 list; up 2 since FY2021.
58	Oftedal Construction, Inc. Top agencies DOT (Department of Transportation)	$47,027,269	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
59	Estes Bros. Const. Inc. Top agencies DOT (Department of Transportation)	$45,824,053	0.3%	Rank history: #30 in FY2021, #82 in FY2023, #45 in FY2024 and #61 in FY2025; down 29 since FY2021.
60	Michels Construction, Inc. Top agencies Army (Department of the Army)	$44,904,924	0.3%	Rank history: not on the FY2021 list, #63 in FY2023, not on the FY2024 list and #57 in FY2025; new.
61	Bering Straits Native Corporation 4 awardees, including Stampede Ventures, Inc. and Eagle Eye Electric LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) WHS (DOD Washington Headquarters Service)	$44,852,057	0.3%	Rank history: #92 in FY2021 and not on the FY2023–FY2025 lists; up 31 since FY2021.
62	Central Environmental Inc. Top agencies DOI (Department of the Interior) Navy (Department of the Navy) Army (Department of the Army)	$44,808,002	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 259 since FY2021.
63	J D Eckman Inc. Top agencies Army (Department of the Army)	$44,569,552	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 61 since FY2021.
64	Alberici Constructors Inc Top agencies Army (Department of the Army)	$43,831,032	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
65	AECOM Through Shimmick Construction Company, Inc. Top agencies Army (Department of the Army)	$43,394,271	0.3%	Rank history: #45 in FY2021, #74 in FY2023 and not on the FY2024–FY2025 lists; down 20 since FY2021.
66	Nomlaki Technologies, LLC Top agencies USAF (Department of the Air Force) MDA (DOD Missile Defense Agency) DOI (Department of the Interior)	$41,560,856	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
67	Black Micro Corporation Top agencies Navy (Department of the Navy)	$40,462,768	0.3%	Rank history: not on the FY2021 list, #8 in FY2023, #47 in FY2024 and not on the FY2025 list; new.
68	Cottrell Contracting Corporation Top agencies Army (Department of the Army)	$39,067,473	0.3%	Rank history: #80 in FY2021, #72 in FY2023, #44 in FY2024 and #41 in FY2025; up 12 since FY2021.
69	BCI Construction Usa, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$38,694,834	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 249 since FY2021.
70	Ahtna-Great Lakes E&I JV Top agencies Army (Department of the Army)	$38,625,534	0.3%	Rank history: #23 in FY2021, not on the FY2023–FY2024 lists and #63 in FY2025; down 47 since FY2021.
71	Nordic Industries Inc. Top agencies Army (Department of the Army)	$38,441,362	0.3%	Rank history: #57 in FY2021, #76 in FY2023 and not on the FY2024–FY2025 lists; down 14 since FY2021.
72	Steve Manning Construction Inc. Top agencies DOT (Department of Transportation)	$38,439,251	0.3%	Rank history: not on the FY2021 list, #35 in FY2023, #84 in FY2024 and #53 in FY2025; up 131 since FY2021.
73	Odin Environmental Solutions, LLC Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico) DOI (Department of the Interior) Army (Department of the Army)	$37,509,192	0.3%	Rank history: not on the FY2021 list, #28 in FY2023 and not on the FY2024–FY2025 lists; up 98 since FY2021.
74	W.f. Magann Corp Top agencies Navy (Department of the Navy)	$37,311,659	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 257 since FY2021.
75	Skanska USA Building Inc. 2 awardees, including Skanska USA Civil West California District Inc. and Skanska Koch Inc. Top agencies Army (Department of the Army)	$37,177,471	0.3%	Rank history: not on the FY2021 list, not on the FY2023 list, #14 in FY2024 and not on the FY2025 list; new.
76	Contrack International Inc. Through Contrack Watts Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$36,849,254	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 201 since FY2021.
77	PCC Ventures Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$36,837,888	0.3%	Rank history: not on the FY2021 list, #87 in FY2023 and not on the FY2024–FY2025 lists; new.
78	Pine Bluff Sand and Gravel Company Top agencies Army (Department of the Army)	$36,813,906	0.3%	Rank history: #71 in FY2021, not on the FY2023 list, #59 in FY2024 and #45 in FY2025; down 7 since FY2021.
79	W A Ellis Construction Co. Top agencies Army (Department of the Army)	$36,371,930	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 134 since FY2021.
80	Marinex Construction Inc. Top agencies Army (Department of the Army)	$35,909,197	0.2%	Rank history: #87 in FY2021, #41 in FY2023, #87 in FY2024 and not on the FY2025 list; up 7 since FY2021.
81	Western Contracting Corp Top agencies Army (Department of the Army)	$34,059,329	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 33 since FY2021.
82	GC & V Construction LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$33,998,816	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 152 since FY2021.
83	J.f. Brennan Company, Inc. Top agencies Army (Department of the Army)	$32,451,010	0.2%	Rank history: #36 in FY2021, not on the FY2023 list, #29 in FY2024 and #74 in FY2025; down 47 since FY2021.
84	Southern-Rc-Jv-01 LLC Top agencies Army (Department of the Army)	$32,399,160	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
85	Tktmj, Inc. Top agencies Army (Department of the Army)	$32,366,700	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
86	Nan Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$31,859,612	0.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #72 in FY2024 and #9 in FY2025; new.
87	Tucci & Sons LLC Top agencies DOT (Department of Transportation)	$31,550,521	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
88	Jacobs Engineering Group Inc. 2 awardees, including Jacobs Project Management Co. and Ch2M Hill Constructors, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$31,294,763	0.2%	Rank history: not on the FY2021 list, #89 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2021.
89	Affolter Contracting Company, Inc. Top agencies Army (Department of the Army)	$30,789,139	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 79 since FY2021.
90	Engineered Construction Services, Inc. Top agencies Navy (Department of the Navy)	$30,782,106	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
91	Weeminuche Construction Authority Through WCA Construction, LLC Top agencies DOI (Department of the Interior)	$30,026,626	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
92	Structural Associates Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$29,329,111	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 33 since FY2021.
93	Weston Solutions Holdings, Inc. 2 awardees, including Weston Solutions Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$29,012,137	0.2%	Rank history: #42 in FY2021, not on the FY2023 list, #16 in FY2024 and not on the FY2025 list; down 51 since FY2021.
94	Vannoy Structural Joint Venture Top agencies DOT (Department of Transportation)	$28,646,909	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
95	Sauer Holdings Inc. Through Sauer Construction, LLC Top agencies Navy (Department of the Navy)	$27,900,144	0.2%	Rank history: #37 in FY2021, #58 in FY2023 and not on the FY2024–FY2025 lists; down 58 since FY2021.
96	HCI Management Services Company Top agencies DOS (Department of State)	$27,625,000	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
97	LPC Contractors Inc. Top agencies DOT (Department of Transportation)	$27,076,862	0.2%	Rank history: not on the FY2021 list, #29 in FY2023 and not on the FY2024–FY2025 lists; new.
98	Southern Contracting, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$26,799,660	0.2%	Rank history: #91 in FY2021 and not on the FY2023–FY2025 lists; down 7 since FY2021.
99	Curtin Maritime Corp Top agencies Navy (Department of the Navy)	$26,783,442	0.2%	Rank history: not on the FY2021 list, #54 in FY2023, not on the FY2024 list and #21 in FY2025; up 60 since FY2021.
100	Brice Civil Constructors, Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army)	$26,635,481	0.2%	Rank history: not on the FY2021 list, #97 in FY2023 and not on the FY2024–FY2025 lists; up 106 since FY2021.

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100 of 2,426 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 237

Code	Net obligations	Largest contractor
2379 Other Heavy and Civil Engineering Construction	$9,196,987,764	Kokosing Alberici Traylor, LLC
2373 Highway, Street, and Bridge Construction	$2,092,550,085	Bfbc LLC
2371 Utility System Construction	$1,774,087,889	Environmental Chemical Corporation

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 $14.4 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 2022 ran Oct 1, 2021 – Sep 30, 2022. 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 FY2021. "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 FY2021 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 237 contractors in FY2022?

1. Kokosing Alberici Traylor, LLC ($1.07B), 2. 381 Constructors ($417M), 3. Webuild S.p.A. ($403M), 4. Forgen-Odin JV ($308M), 5. Great Lakes Dredge & Dock Corporation ($308M), 6. Manson Construction Co. ($298M), 7. Michels Corp ($269M), 8. Thalle Construction Co Inc. ($213M), 9. Voith Hydro Inc. ($205M), 10. American Bridge Manufacturing Company ($201M).

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