Top 100 Contractors in NAICS 2371: Utility System Construction, FY2022

Name: Top 100 Contractors in NAICS 2371: Utility System Construction, FY2022
Creator: GovTribe

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

The top 10 won 33% of FY2022 NAICS 2371 contract dollars

Contract obligations: $1,774,087,889 Net of deobligations, by contracts coded NAICS 2371 or a code under it
Contractors: 941 Parent companies with an obligation
Largest contractor: Environmental Chemical Corporation $171 million, 9.2% 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	Environmental Chemical Corporation Top agencies Navy (Department of the Navy)	$170,762,816	9.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
2	Nova Nacap A Joint Venture Top agencies Navy (Department of the Navy)	$80,266,694	4.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 124 since FY2021.
3	S.j. Louis Construction, Inc. Top agencies DOI (Department of the Interior)	$76,789,704	4.1%	Rank history: not on the FY2021 list, #5 in FY2023, #76 in FY2024 and not on the FY2025 list; new.
4	The Walsh Group Through Archer Western Construction, LLC Top agencies DOI (Department of the Interior)	$54,764,089	2.9%	Rank history: #13 in FY2021, #15 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2021.
5	Tybe-Garney Federal JV LLC Top agencies Navy (Department of the Navy)	$51,797,392	2.8%	Rank history: not on the FY2021 list, #12 in FY2023, not on the FY2024 list and #61 in FY2025; new.
6	Nomlaki Technologies, LLC Top agencies USAF (Department of the Air Force) MDA (DOD Missile Defense Agency) DOI (Department of the Interior)	$41,560,856	2.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 133 since FY2021.
7	Nova Group Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$39,709,854	2.1%	Rank history: #17 in FY2021, #8 in FY2023, #81 in FY2024 and not on the FY2025 list; up 10 since FY2021.
8	Contrack International Inc. Through Contrack Watts Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$36,599,791	2.0%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 202 since FY2021.
9	Granite Construction Incorporated Through Granite Construction Company Guam Top agencies Navy (Department of the Navy)	$35,985,848	1.9%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
10	Nan Inc. Top agencies Army (Department of the Army)	$31,834,612	1.7%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
11	Weeminuche Construction Authority Through WCA Construction, LLC Top agencies DOI (Department of the Interior)	$30,029,352	1.6%	Rank history: not on the FY2021 list, #43 in FY2023 and not on the FY2024–FY2025 lists; up 121 since FY2021.
12	Structural Associates Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$29,329,111	1.6%	Rank history: #20 in FY2021, not on the FY2023 list, #86 in FY2024 and #65 in FY2025; up 8 since FY2021.
13	Weston Solutions Holdings, Inc. 2 awardees, including Weston Solutions Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$29,025,227	1.6%	Rank history: #3 in FY2021, #34 in FY2023, #2 in FY2024 and #6 in FY2025; down 10 since FY2021.
14	MEB General Contractors Inc. Top agencies Army (Department of the Army)	$28,095,862	1.5%	Rank history: not on the FY2021 list, not on the FY2023 list, #22 in FY2024 and #21 in FY2025; up 107 since FY2021.
15	HCI Management Services Company Top agencies DOS (Department of State)	$27,625,000	1.5%	Rank history: not on the FY2021 list, #63 in FY2023, #31 in FY2024 and not on the FY2025 list; new.
16	Reliable Contracting Group, LLC Top agencies DLA (Defense Logistics Agency)	$22,702,116	1.2%	Rank history: #6 in FY2021, #10 in FY2023, #20 in FY2024 and #8 in FY2025; down 10 since FY2021.
17	Dawson Enterprises, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$22,615,076	1.2%	Rank history: #32 in FY2021, #25 in FY2023, #39 in FY2024 and #13 in FY2025; up 15 since FY2021.
18	Bering Straits Native Corporation Through Stampede Ventures, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$22,406,989	1.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #94 in FY2024 and not on the FY2025 list; new.
19	Hawaiian Native Corporation Through B & H Contracting Company, Inc. Top agencies DOI (Department of the Interior)	$19,936,942	1.1%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
20	Wood Environment & Infrastructure Solutions Inc. Through WSP USA Environment & Infrastructure Inc. Top agencies DLA (Defense Logistics Agency)	$19,648,690	1.1%	Rank history: #5 in FY2021, #11 in FY2023 and not on the FY2024–FY2025 lists; down 15 since FY2021.
21	P & S Construction Inc. Top agencies Army (Department of the Army)	$19,447,000	1.0%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
22	Bethel-Garney Federal JV Top agencies Navy (Department of the Navy)	$18,714,601	1.0%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 82 since FY2021.
23	SAK Construction LLC Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico) Army (Department of the Army)	$16,761,278	0.9%	Rank history: #22 in FY2021, not on the FY2023 list, #67 in FY2024 and not on the FY2025 list; down 1 since FY2021.
24	Goshawk, LLC 2 awardees Top agencies DLA (Defense Logistics Agency) DOI (Department of the Interior)	$16,492,035	0.9%	Rank history: #41 in FY2021, #24 in FY2023, #19 in FY2024 and #62 in FY2025; up 17 since FY2021.
25	Koman Integrated Solutions, LLC Top agencies USAF (Department of the Air Force)	$16,275,051	0.9%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
26	Brice Solutions, LLC Top agencies USAF (Department of the Air Force)	$15,649,213	0.8%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 112 since FY2021.
27	Four Tribes Construction Services, LLC Top agencies Army (Department of the Army)	$15,384,234	0.8%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
28	Tokyu Construction Co., Ltd. Top agencies Army (Department of the Army)	$15,384,034	0.8%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
29	Spencer Construction LLC Top agencies Navy (Department of the Navy)	$15,315,760	0.8%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
30	Synergy Electric Company, Inc. Top agencies Navy (Department of the Navy)	$15,243,146	0.8%	Rank history: #4 in FY2021, #35 in FY2023, #8 in FY2024 and #54 in FY2025; down 26 since FY2021.
31	Jimenez Engineering Solutions, LLC 2 awardees Top agencies USDA (Department of Agriculture)	$14,513,807	0.8%	Rank history: not on the FY2021 list, #90 in FY2023 and not on the FY2024–FY2025 lists; new.
32	SES Energy Services LLC 2 awardees Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$13,358,040	0.7%	Rank history: not on the FY2021 list, #47 in FY2023, #80 in FY2024 and not on the FY2025 list; up 292 since FY2021.
33	Winnebago Tribe of Nebraska Through HCI Management Services Company Top agencies DOS (Department of State)	$12,500,000	0.7%	Rank history: #8 in FY2021, #16 in FY2023, #87 in FY2024 and not on the FY2025 list; down 25 since FY2021.
34	Sitemaster Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$12,205,470	0.7%	Rank history: #40 in FY2021 and not on the FY2023–FY2025 lists; up 6 since FY2021.
35	Georgia Power Company Top agencies USAF (Department of the Air Force)	$11,950,000	0.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
36	KNK Engineering Consulting Corp. Top agencies DLA (Defense Logistics Agency)	$11,780,496	0.6%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #51 in FY2025; up 190 since FY2021.
37	Southland Holdings LLC Through Oscar Renda Contracting Inc. Top agencies DOI (Department of the Interior)	$11,388,544	0.6%	Rank history: #12 in FY2021 and not on the FY2023–FY2025 lists; down 25 since FY2021.
38	Ameresco Inc. Top agencies Army (Department of the Army)	$11,181,102	0.6%	Rank history: not on the FY2021 list, #85 in FY2023 and not on the FY2024–FY2025 lists; up 314 since FY2021.
39	Pond Constructors Inc. Top agencies Navy (Department of the Navy)	$11,057,851	0.6%	Rank history: #28 in FY2021, not on the FY2023–FY2024 lists and #76 in FY2025; down 11 since FY2021.
40	Central Environmental Inc. Top agencies Navy (Department of the Navy)	$11,007,008	0.6%	Rank history: #77 in FY2021, #97 in FY2023, #53 in FY2024 and not on the FY2025 list; up 37 since FY2021.
41	Record Steel and Construction, Inc. Top agencies DOI (Department of the Interior)	$10,171,646	0.5%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #11 in FY2025; up 173 since FY2021.
42	Nana Regional Corporation Inc Through Jade Creek Construction LLC Top agencies USAF (Department of the Air Force)	$9,526,777	0.5%	Rank history: #34 in FY2021 and not on the FY2023–FY2025 lists; down 8 since FY2021.
43	Hampton Roads Mechanical of Virginia, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$9,495,182	0.5%	Rank history: #53 in FY2021, not on the FY2023 list, #27 in FY2024 and #23 in FY2025; up 10 since FY2021.
44	KWR Construction Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$9,279,776	0.5%	Rank history: #51 in FY2021, not on the FY2023 list, #83 in FY2024 and not on the FY2025 list; up 7 since FY2021.
45	Galindo Electric, Inc. Top agencies Navy (Department of the Navy)	$8,730,783	0.5%	Rank history: #46 in FY2021 and not on the FY2023–FY2025 lists; up 1 since FY2021.
46	Cape-Burns & Mcdonnell JV Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$8,334,765	0.4%	Rank history: #29 in FY2021, #28 in FY2023 and not on the FY2024–FY2025 lists; down 17 since FY2021.
47	Coventina-Gse JV, LLC Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior)	$8,136,512	0.4%	Rank history: #92 in FY2021 and not on the FY2023–FY2025 lists; up 45 since FY2021.
48	DEG Enterprises Inc. Top agencies DOT (Department of Transportation)	$8,129,789	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 267 since FY2021.
49	Hpm, Inc. Top agencies DOI (Department of the Interior)	$7,852,875	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
50	Trinity North Star JV Top agencies USAF (Department of the Air Force)	$7,818,846	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 77 since FY2021.
51	Silver Mountain Weston SB JV LLC Top agencies DLA (Defense Logistics Agency)	$7,796,494	0.4%	Rank history: not on the FY2021 list, #74 in FY2023, #42 in FY2024 and #79 in FY2025; new.
52	Aptim-North Wind Construction JV LLC Top agencies DOE (Department of Energy)	$7,546,602	0.4%	Rank history: #62 in FY2021, #21 in FY2023 and not on the FY2024–FY2025 lists; up 10 since FY2021.
53	Briston Construction, LLC Top agencies VA (Department of Veterans Affairs)	$7,375,314	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
54	Silver Mountain Construction LLC Top agencies DOI (Department of the Interior)	$7,282,720	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 173 since FY2021.
55	Ross Group Construction Corporation, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$7,238,952	0.4%	Rank history: #16 in FY2021, not on the FY2023–FY2024 lists and #92 in FY2025; down 39 since FY2021.
56	Sygnos Inc. Top agencies Navy (Department of the Navy)	$6,816,934	0.4%	Rank history: #97 in FY2021, #69 in FY2023, #75 in FY2024 and #72 in FY2025; up 41 since FY2021.
57	D7, LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$6,694,052	0.4%	Rank history: #99 in FY2021, #40 in FY2023 and not on the FY2024–FY2025 lists; up 42 since FY2021.
58	Kobo Utility Construction Corp. Top agencies DOT (Department of Transportation)	$6,672,342	0.4%	Rank history: not on the FY2021 list, #79 in FY2023 and not on the FY2024–FY2025 lists; up 49 since FY2021.
59	Frawner Corporation Top agencies Navy (Department of the Navy)	$6,466,842	0.3%	Rank history: #70 in FY2021, not on the FY2023 list, #35 in FY2024 and #85 in FY2025; up 11 since FY2021.
60	Hartman-Walsh Corp Through Hartman-Walsh Painting Company Top agencies DOI (Department of the Interior)	$6,442,204	0.3%	Rank history: not on the FY2021 list, #59 in FY2023, #68 in FY2024 and #64 in FY2025; new.
61	Venergy Group LLC Top agencies VA (Department of Veterans Affairs)	$6,411,098	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
62	Second Avenue Contractors, LLC Top agencies DOI (Department of the Interior)	$6,277,000	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
63	Big Valley Electric Top agencies DOI (Department of the Interior)	$6,217,000	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
64	Norair Engineering Corp Top agencies Army (Department of the Army)	$5,990,701	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 37 since FY2021.
65	Doyon Government Contracting Inc. 3 awardees, including Doyon Technical Services, LLC, Doyon Management Services, LLC and Cherokee General Corp Top agencies Army (Department of the Army) Navy (Department of the Navy) HHS (Department of Health and Human Services)	$5,903,203	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
66	Techni-Con, Inc. Top agencies USAF (Department of the Air Force)	$5,656,189	0.3%	Rank history: not on the FY2021 list, #73 in FY2023 and not on the FY2024–FY2025 lists; new.
67	Gideon Contracting Limited Liability Company Merkezi ABD Turkiye Subesi Top agencies DLA (Defense Logistics Agency)	$5,600,343	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 212 since FY2021.
68	Medvolt, LLC Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$5,586,595	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 62 since FY2021.
69	Fargo Pacific Inc. Top agencies USAF (Department of the Air Force)	$5,550,000	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
70	Empire Equipment Service, Inc. Top agencies DOI (Department of the Interior)	$5,150,123	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 155 since FY2021.
71	Orion-Cannon JV Top agencies Army (Department of the Army)	$5,056,260	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 39 since FY2021.
72	The Aleut Corporation 2 awardees, including Patrick Mechanical, LLC Top agencies Army (Department of the Army)	$5,003,971	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 256 since FY2021.
73	CAL Electro Inc.. Top agencies Army (Department of the Army) DOE (Department of Energy)	$4,991,290	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 133 since FY2021.
74	Waldrop Construction Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$4,945,825	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 77 since FY2021.
75	Brice Engineering, LLC Top agencies USAF (Department of the Air Force)	$4,878,897	0.3%	Rank history: #74 in FY2021, not on the FY2023 list, #91 in FY2024 and not on the FY2025 list; down 1 since FY2021.
76	JMG Constructors LLC Top agencies DOI (Department of the Interior)	$4,853,818	0.3%	Rank history: #68 in FY2021, #46 in FY2023 and not on the FY2024–FY2025 lists; down 8 since FY2021.
77	Forus Contracting, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$4,590,309	0.2%	Rank history: #88 in FY2021 and not on the FY2023–FY2025 lists; up 11 since FY2021.
78	Cbse JV Top agencies Army (Department of the Army)	$4,587,114	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
79	TCG Construction Inc. Top agencies Army (Department of the Army)	$4,499,351	0.2%	Rank history: not on the FY2021 list, not on the FY2023 list, #100 in FY2024 and not on the FY2025 list; new.
80	Salish Construction Co Top agencies Army (Department of the Army)	$4,382,129	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
81	JX Holdings Inc. Through Nippo Corporation Top agencies Army (Department of the Army)	$4,319,924	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
82	Tandem Services LLC Top agencies DOT (Department of Transportation)	$4,308,918	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
83	Koontz Electric Company, Incorporated Top agencies DOE (Department of Energy) Army (Department of the Army)	$4,203,095	0.2%	Rank history: #37 in FY2021, #32 in FY2023, #78 in FY2024 and not on the FY2025 list; down 46 since FY2021.
84	Togiak Management Services, LLC Top agencies Army (Department of the Army)	$4,180,722	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
85	Itsi Gilbane Japan G.K. Through Gilbane Federal Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$4,101,748	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 106 since FY2021.
86	Transtar Pipeline and Orion Construction JV Top agencies Navy (Department of the Navy)	$4,067,015	0.2%	Rank history: #89 in FY2021, #39 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2021.
87	Briggs Brothers Enterprises Corp Top agencies USAF (Department of the Air Force)	$3,968,183	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
88	Power Pro Plus Inc. Top agencies Navy (Department of the Navy)	$3,912,070	0.2%	Rank history: #10 in FY2021 and not on the FY2023–FY2025 lists; down 78 since FY2021.
89	Grimmer Construction Inc. Top agencies Army (Department of the Army)	$3,902,414	0.2%	Rank history: #48 in FY2021, #58 in FY2023, #97 in FY2024 and not on the FY2025 list; down 41 since FY2021.
90	Government of Canada Through Canadian Commercial Corporation Top agencies Army (Department of the Army)	$3,873,150	0.2%	Rank history: not on the FY2021 list, #64 in FY2023 and not on the FY2024–FY2025 lists; up 32 since FY2021.
91	Gana-A' Yoo, Limited 2 awardees, including Kaiyuh Services, LLC Top agencies Army (Department of the Army)	$3,864,981	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
92	Unit-Asrc Construction, LLC Top agencies Army (Department of the Army)	$3,695,220	0.2%	Rank history: #93 in FY2021 and not on the FY2023–FY2025 lists; up 1 since FY2021.
93	B2 Constructors, LLC Top agencies VA (Department of Veterans Affairs)	$3,682,765	0.2%	Rank history: not on the FY2021 list, not on the FY2023–FY2024 lists and #81 in FY2025; new.
94	Souza Construction, Inc. Top agencies Navy (Department of the Navy)	$3,644,371	0.2%	Rank history: #57 in FY2021, #33 in FY2023, #26 in FY2024 and not on the FY2025 list; down 37 since FY2021.
95	Compass Roofing LLC Top agencies DLA (Defense Logistics Agency)	$3,427,153	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
96	Confederated Salish and Kootenai Tribes Through International Towers LLC Top agencies Navy (Department of the Navy)	$3,406,848	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 49 since FY2021.
97	Isusa / Concentric JV LLC Top agencies VA (Department of Veterans Affairs)	$3,381,330	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
98	RJS Construction Inc. Top agencies DOI (Department of the Interior) HHS (Department of Health and Human Services)	$3,330,498	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
99	Modern International Inc. Top agencies USAF (Department of the Air Force)	$3,273,202	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
100	On-Track Construction LLC Top agencies Army (Department of the Army)	$3,262,101	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.

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100 of 941 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 2371

Code	Net obligations	Largest contractor
23711 Water and Sewer Line and Related Structures Construction	$888,975,378	Environmental Chemical Corporation
23713 Power and Communication Line and Related Structures Construction	$448,032,362	Nomlaki Technologies, LLC
23712 Oil and Gas Pipeline and Related Structures Construction	$437,080,149	Nova Nacap A Joint Venture

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 $1.86 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 2371 contractors in FY2022?

1. Environmental Chemical Corporation ($171M), 2. Nova Nacap A Joint Venture ($80.3M), 3. S.j. Louis Construction, Inc. ($76.8M), 4. The Walsh Group ($54.8M), 5. Tybe-Garney Federal JV LLC ($51.8M), 6. Nomlaki Technologies, LLC ($41.6M), 7. Nova Group Inc. ($39.7M), 8. Contrack International Inc. ($36.6M), 9. Granite Construction Incorporated ($36M), 10. Nan Inc. ($31.8M).

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