Top 100 Contractors in NAICS 237120: Oil and Gas Pipeline and Related Structures Construction, FY2024

Name: Top 100 Contractors in NAICS 237120: Oil and Gas Pipeline and Related Structures Construction, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 67% of FY2024 NAICS 237120 contract dollars

Contract obligations: $839,459,837 Net of deobligations, by contracts coded NAICS 237120
Contractors: 140 Parent companies with an obligation
Largest contractor: Weston Solutions Holdings, Inc. $138 million, 16.2% 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	Weston Solutions Holdings, Inc. 2 awardees, including Weston Solutions Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$138,234,177	16.2%	Rank history: #2 in FY2021, #5 in FY2022, #12 in FY2023 and #1 in FY2025; up 11 since FY2023.
2	Guidehouse Inc. Through Aptim Federal Services, LLC Top agencies DLA (Defense Logistics Agency)	$83,329,773	9.8%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2025; new.
3	Obayashi CMS JV Top agencies Army (Department of the Army)	$60,170,304	7.0%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
4	Garco Construction, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$52,417,196	6.1%	Rank history: #1 in FY2021, #49 in FY2022, #46 in FY2023 and #40 in FY2025; up 42 since FY2023.
5	Gsi-Pond JV LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$46,003,978	5.4%	Rank history: #46 in FY2021, #32 in FY2022, #11 in FY2023 and #10 in FY2025; up 6 since FY2023.
6	WSP USA Environment & Infrastructure Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$45,325,593	5.3%	Rank history: #79 in FY2021, not on the FY2022–FY2023 lists and #4 in FY2025; returned.
7	Aptim Federal Services LLC Top agencies DLA (Defense Logistics Agency)	$42,942,505	5.0%	Rank history: #5 in FY2021, not on the FY2022 list, #2 in FY2023 and not on the FY2025 list; down 5 since FY2023.
8	Reliable Contracting Group, LLC Top agencies DLA (Defense Logistics Agency)	$38,756,150	4.5%	Rank history: #4 in FY2021, #7 in FY2022, #5 in FY2023 and #2 in FY2025; down 3 since FY2023.
9	Goshawk, LLC 2 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$33,300,863	3.9%	Rank history: #17 in FY2021, #11 in FY2022, #17 in FY2023 and #17 in FY2025; up 8 since FY2023.
10	MEB General Contractors Inc. Top agencies Army (Department of the Army)	$30,548,578	3.6%	Rank history: #38 in FY2021, #6 in FY2022, #43 in FY2023 and #8 in FY2025; up 33 since FY2023.
11	Bristol Bay Native Corporation 2 awardees, including Specpro Environmental Services LLC and Bristol Engineering Services Company, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$21,687,465	2.5%	Rank history: #14 in FY2021, #27 in FY2022, #13 in FY2023 and #11 in FY2025; up 2 since FY2023.
12	Black Micro Corporation Top agencies Navy (Department of the Navy)	$20,025,315	2.3%	Rank history: not on the FY2021–FY2022 lists, #1 in FY2023 and not on the FY2025 list; down 11 since FY2023.
13	Hoolaulima Government Solutions, LLC Top agencies DLA (Defense Logistics Agency)	$19,979,300	2.3%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
14	Hcpa-Garco JV1 Top agencies Army (Department of the Army)	$19,129,000	2.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
15	Kinley Construction Company Top agencies DLA (Defense Logistics Agency)	$17,242,560	2.0%	Rank history: #16 in FY2021, #36 in FY2022, #36 in FY2023 and #46 in FY2025; up 21 since FY2023.
16	Dawson Enterprises, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$16,745,426	2.0%	Rank history: #13 in FY2021, #8 in FY2022, #9 in FY2023 and #5 in FY2025; down 7 since FY2023.
17	Silver Mountain Weston SB JV LLC Top agencies DLA (Defense Logistics Agency)	$15,297,266	1.8%	Rank history: not on the FY2021 list, #16 in FY2022, #18 in FY2023 and #20 in FY2025; up 1 since FY2023.
18	Chenega Reliable Services LLC Top agencies DLA (Defense Logistics Agency)	$12,816,993	1.5%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
19	Ahtna Marine & Construction Company, LLC Top agencies DLA (Defense Logistics Agency)	$12,211,765	1.4%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2025; new.
20	American Engineering Corporation Top agencies Army (Department of the Army)	$10,258,469	1.2%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and not on the FY2025 list; up 7 since FY2023.
21	SES Energy Services LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$5,822,450	0.7%	Rank history: #56 in FY2021, #12 in FY2022, #14 in FY2023 and #47 in FY2025; down 7 since FY2023.
22	Structural Associates Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$5,339,743	0.6%	Rank history: #9 in FY2021, #4 in FY2022, #24 in FY2023 and #18 in FY2025; up 2 since FY2023.
23	Brice Engineering, LLC Top agencies Army (Department of the Army)	$5,262,100	0.6%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; new.
24	Nova Group Inc. Top agencies Army (Department of the Army)	$5,138,687	0.6%	Rank history: #10 in FY2021, #3 in FY2022, #4 in FY2023 and not on the FY2025 list; down 20 since FY2023.
25	Gsi-Enet JV LLC Top agencies DLA (Defense Logistics Agency)	$4,659,208	0.5%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2025; new.
26	Mgi, Inc. 2 awardees Top agencies VA (Department of Veterans Affairs)	$4,471,717	0.5%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2025; new.
27	Cape-Burns & Mcdonnell JV Top agencies DLA (Defense Logistics Agency)	$4,334,293	0.5%	Rank history: #12 in FY2021, #15 in FY2022, #10 in FY2023 and not on the FY2025 list; down 17 since FY2023.
28	JBW Group LLC Top agencies DLA (Defense Logistics Agency)	$4,321,233	0.5%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2023 and #38 in FY2025; up 9 since FY2023.
29	Aytekin Serol Insaat Taahhut Muhendislik Anonim Sirketi Top agencies DLA (Defense Logistics Agency)	$4,234,348	0.5%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2023 and #14 in FY2025; down 13 since FY2023.
30	D7, LLC 2 awardees Top agencies DLA (Defense Logistics Agency)	$4,069,334	0.5%	Rank history: #25 in FY2021, #18 in FY2022, not on the FY2023 list and #52 in FY2025; returned.
31	J G Contracting Top agencies USAF (Department of the Air Force)	$3,959,940	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
32	SES Construction and Fuel Services LLC Through Bristol Engineering Services Company, LLC Top agencies Navy (Department of the Navy)	$3,571,990	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
33	DBR Investments Inc. Top agencies Navy (Department of the Navy)	$3,298,677	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
34	KNK Engineering Consulting Corp. Top agencies DLA (Defense Logistics Agency)	$2,810,845	0.3%	Rank history: #42 in FY2021, #13 in FY2022, #23 in FY2023 and #15 in FY2025; down 11 since FY2023.
35	Nash Holdings Inc. Top agencies DOI (Department of the Interior)	$2,346,030	0.3%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2025; new.
36	Rore Inc. Top agencies DLA (Defense Logistics Agency)	$2,321,065	0.3%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2023 and #56 in FY2025; down 3 since FY2023.
37	Pond Constructors Inc. Top agencies Navy (Department of the Navy)	$2,098,258	0.2%	Rank history: #11 in FY2021, #14 in FY2022, #32 in FY2023 and #19 in FY2025; down 5 since FY2023.
38	Tri Coast-Pac TECH JV LLLP Top agencies DHS (Department of Homeland Security)	$2,075,311	0.2%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2025; new.
39	Nova Nacap A Joint Venture Top agencies Navy (Department of the Navy)	$2,057,092	0.2%	Rank history: #29 in FY2021, #1 in FY2022, #71 in FY2023 and #76 in FY2025; up 32 since FY2023.
40	Sage-Efs JV Top agencies VA (Department of Veterans Affairs)	$1,998,500	0.2%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2025; new.
41	Ahtna Environmental, Inc. Top agencies Army (Department of the Army)	$1,770,119	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
42	Chenega Industrial Group, LLC Top agencies DLA (Defense Logistics Agency)	$1,703,679	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
43	Brice Solutions, LLC Top agencies USAF (Department of the Air Force)	$1,684,798	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
44	Korea Housing Management Co.,Ltd Top agencies Army (Department of the Army)	$1,579,312	0.2%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2025; new.
45	Gilbane Federal Top agencies DLA (Defense Logistics Agency)	$1,465,025	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
46	Prime Veritas General Trading & Contracting Top agencies USAF (Department of the Air Force)	$1,346,932	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
47	Dub-L-Ee LLC Top agencies USAF (Department of the Air Force)	$1,266,562	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
48	TTI Environmental Inc. Top agencies USAF (Department of the Air Force)	$1,225,333	0.1%	Rank history: not on the FY2021 list, #41 in FY2022, #86 in FY2023 and #93 in FY2025; up 38 since FY2023.
49	Nova Constructors-Obayashi JV Top agencies Army (Department of the Army)	$1,168,690	0.1%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2023 and #41 in FY2025; down 46 since FY2023.
50	Premier Electric LLC Top agencies DOI (Department of the Interior)	$1,136,775	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
51	Achuti LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,108,048	0.1%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2025; new.
52	Red Point Construction, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) Commerce (Department of Commerce)	$1,105,149	0.1%	Rank history: #28 in FY2021, #30 in FY2022, not on the FY2023 list and #16 in FY2025; returned.
53	Granite Construction Incorporated Through Granite Construction Company Guam Top agencies Navy (Department of the Navy)	$1,009,587	0.1%	Rank history: not on the FY2021 list, #2 in FY2022, #40 in FY2023 and not on the FY2025 list; down 13 since FY2023.
54	Persyn Top agencies Army (Department of the Army)	$752,625	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
55	Chief Long King Resources LLC Top agencies DOI (Department of the Interior)	$680,687	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
56	Granite Construction Company Guam Top agencies Navy (Department of the Navy)	$665,496	0.1%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2025; new.
57	Gideon Contracting Limited Liability Company Merkezi ABD Turkiye Subesi Top agencies DLA (Defense Logistics Agency)	$639,547	0.1%	Rank history: #48 in FY2021, #20 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
58	Ameritech Contracting LLC Top agencies VA (Department of Veterans Affairs)	$639,280	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
59	Tokyu Construction Co., Ltd. Top agencies Army (Department of the Army)	$490,211	0.1%	Rank history: not on the FY2021 list, #10 in FY2022, #51 in FY2023 and not on the FY2025 list; down 8 since FY2023.
60	Mass Tank Inspection Services LLC Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$436,308	0.1%	Rank history: #75 in FY2021, #57 in FY2022, #47 in FY2023 and #51 in FY2025; down 13 since FY2023.
61	Dawson-Pond JV LLC Top agencies Navy (Department of the Navy)	$407,369	<0.1%	Rank history: #30 in FY2021, #50 in FY2022, #42 in FY2023 and not on the FY2025 list; down 19 since FY2023.
62	Independence Constructors Inc. Top agencies VA (Department of Veterans Affairs)	$389,371	<0.1%	Rank history: #78 in FY2021, #65 in FY2022, #72 in FY2023 and #67 in FY2025; up 10 since FY2023.
63	Utility Energy Systems, LLC Top agencies USAF (Department of the Air Force)	$364,517	<0.1%	Rank history: #52 in FY2021, #59 in FY2022, #35 in FY2023 and #42 in FY2025; down 28 since FY2023.
64	GSI Pacific Inc. Top agencies DLA (Defense Logistics Agency)	$344,980	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
65	Waldrop Construction Inc. Top agencies DLA (Defense Logistics Agency)	$330,144	<0.1%	Rank history: #98 in FY2021, #21 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
66	Dunbar Mechanical Contractors, LLC Top agencies VA (Department of Veterans Affairs)	$310,500	<0.1%	Rank history: not on the FY2021 list, #76 in FY2022, not on the FY2023 list and #50 in FY2025; returned.
67	Procuves Top agencies DOS (Department of State)	$300,108	<0.1%	Rank history: not on the FY2021–FY2023 lists and #66 in FY2025; new.
68	Native Hawaiian Community Development Corporation 2 awardees, including GSI Pacific Inc. and GSI North America Inc. Top agencies DLA (Defense Logistics Agency)	$276,435	<0.1%	Rank history: #24 in FY2021, #28 in FY2022, #28 in FY2023 and not on the FY2025 list; down 40 since FY2023.
69	Daebo Engineering & Construction Co., Ltd. Top agencies Army (Department of the Army)	$274,301	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
70	ATI Wood-Solesi Top agencies Navy (Department of the Navy)	$273,335	<0.1%	Rank history: #45 in FY2021, #37 in FY2022, #55 in FY2023 and #54 in FY2025; down 15 since FY2023.
71	TOA Corporation Top agencies Army (Department of the Army)	$272,843	<0.1%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2025; new.
72	S & B Engineers and Constructors Inc Through S & B Infrastructure Ltd Top agencies DLA (Defense Logistics Agency)	$247,348	<0.1%	Rank history: #60 in FY2021, #89 in FY2022, not on the FY2023 list and not on the FY2025 list; up 39 since FY2023.
73	Tribal One Technology, LLC Top agencies Army (Department of the Army)	$240,431	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
74	MDM Construction LLC Top agencies VA (Department of Veterans Affairs)	$227,625	<0.1%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2025; new.
75	Korea Inspection System Corporation Top agencies Army (Department of the Army)	$207,584	<0.1%	Rank history: #64 in FY2021, #62 in FY2022, #65 in FY2023 and not on the FY2025 list; down 10 since FY2023.
76	CTR of the Carolinas, Inc. Top agencies USAF (Department of the Air Force)	$195,566	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
77	Core Engineered Solutions Inc. Top agencies DOJ (Department of Justice) Army (Department of the Army) GSA (General Services Administration)	$178,674	<0.1%	Rank history: #44 in FY2021, #47 in FY2022, not on the FY2023 list and #88 in FY2025; returned.
78	Wood Environment & Infrastructure Solutions Inc. Through WSP USA Environment & Infrastructure Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$172,215	<0.1%	Rank history: #3 in FY2021, #9 in FY2022, #6 in FY2023 and not on the FY2025 list; down 72 since FY2023.
79	Korea Engineering Consultants Corporation Top agencies Army (Department of the Army)	$164,020	<0.1%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2025; new.
80	Four Tribes Enterprises, LLC Top agencies DLA (Defense Logistics Agency)	$164,000	<0.1%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2023 and not on the FY2025 list; down 55 since FY2023.
81	Dmyles Inc. Top agencies USAF (Department of the Air Force)	$146,849	<0.1%	Rank history: not on the FY2021 list, #40 in FY2022, #74 in FY2023 and not on the FY2025 list; down 7 since FY2023.
82	Prism Design & Construction, LLC Top agencies DOT (Department of Transportation)	$146,831	<0.1%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2023 and not on the FY2025 list; down 48 since FY2023.
83	Ahtna, Incorporated Through Ahtna Global LLC Top agencies Army (Department of the Army)	$136,384	<0.1%	Rank history: #23 in FY2021, #51 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
84	DH Ortega Construction LLC Top agencies DOI (Department of the Interior)	$134,574	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
85	The Chenega Corporation Through Chenega Reliable Services LLC Top agencies USAF (Department of the Air Force)	$130,818	<0.1%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2023 and not on the FY2025 list; down 41 since FY2023.
86	Daebo Industrial Co. Ltd. Through Daebo Engineering & Construction Co., Ltd. Top agencies Army (Department of the Army)	$118,190	<0.1%	Rank history: #57 in FY2021, #52 in FY2022, #52 in FY2023 and not on the FY2025 list; down 34 since FY2023.
87	LK Construction Co., Ltd. Top agencies USAF (Department of the Air Force)	$114,037	<0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2025; new.
88	JF Acquisition, LLC Top agencies VA (Department of Veterans Affairs)	$111,400	<0.1%	Rank history: not on the FY2021–FY2023 lists and #79 in FY2025; new.
89	Diehl GMBH Top agencies Army (Department of the Army)	$93,788	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
90	J3 Enterprise LLC Top agencies Army (Department of the Army)	$84,204	<0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2025; new.
91	GFS Supply & Services Company, Inc. Top agencies DOI (Department of the Interior)	$63,999	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
92	Florida Institute of Technology Inc. Top agencies NASA (National Aeronautics and Space Administration)	$61,385	<0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and not on the FY2025 list; unchanged since FY2023.
93	Tidewater, Inc. Top agencies DOS (Department of State)	$59,935	<0.1%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2023 and not on the FY2025 list; down 13 since FY2023.
94	Brand Construction LLC Top agencies VA (Department of Veterans Affairs)	$58,862	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
95	Bodell Construction Company Top agencies Army (Department of the Army)	$58,501	<0.1%	Rank history: #6 in FY2021, #68 in FY2022, #30 in FY2023 and #95 in FY2025; down 65 since FY2023.
96	J&J Germany GMBH Top agencies USAF (Department of the Air Force)	$56,062	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
97	Fluid Solutions LLC Top agencies DOS (Department of State)	$55,832	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
98	Multiforce Systems Corp Top agencies DOI (Department of the Interior) Smithsonian (Smithsonian Institution) VA (Department of Veterans Affairs)	$53,892	<0.1%	Rank history: #97 in FY2021, #83 in FY2022, #73 in FY2023 and #90 in FY2025; down 25 since FY2023.
99	Morgan Ingland LLC Top agencies DOI (Department of the Interior)	$47,080	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
100	UIC Commercial Services, LLC Through Rockford Corporation Top agencies DLA (Defense Logistics Agency)	$46,570	<0.1%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2023 and not on the FY2025 list; down 30 since FY2023.

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100 of 140 contractors listed here. See the rest on GovTribe.

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 $855 million 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 237120 contractors in FY2024?

1. Weston Solutions Holdings, Inc. ($138M), 2. Guidehouse Inc. ($83.3M), 3. Obayashi CMS JV ($60.2M), 4. Garco Construction, Inc. ($52.4M), 5. Gsi-Pond JV LLC ($46M), 6. WSP USA Environment & Infrastructure Inc. ($45.3M), 7. Aptim Federal Services LLC ($42.9M), 8. Reliable Contracting Group, LLC ($38.8M), 9. Goshawk, LLC ($33.3M), 10. MEB General Contractors Inc. ($30.5M).

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