Top 100 Contractors in NAICS 23711: Water and Sewer Line and Related Structures Construction, Jul 2025–Jun 2026

Name: Top 100 Contractors in NAICS 23711: Water and Sewer Line and Related Structures Construction, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 51% of NAICS 23711 contract dollars from July 2025 through June 2026

Contract obligations: $1,098,708,689 Net of deobligations, by contracts coded NAICS 23711 or a code under it
Contractors: 510 Parent companies with an obligation
Largest contractor: Record Steel and Construction, Inc. $130 million, 11.5% 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	Record Steel and Construction, Inc. Top agencies DOI (Department of the Interior)	$130,136,932	11.5%	Rank history: not on the FY2021 list, #17 in FY2022, not on the FY2023–FY2024 lists and #3 in FY2025; up 4 since Jul 2024–Jun 2025.
2	Ames Federal Contracting Group LLC Top agencies DOI (Department of the Interior)	$129,487,964	11.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
3	G.s.e. Construction Company, Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$119,229,700	10.6%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; new, not ranked in Jul 2024–Jun 2025.
4	Tutor Perini Corporation Through Perini Management Services, Inc. Top agencies DOI (Department of the Interior)	$42,272,439	3.7%	Rank history: not on the FY2021–FY2024 lists and #4 in FY2025; up 428 since Jul 2024–Jun 2025.
5	Red Point Construction, LLC Top agencies Army (Department of the Army)	$38,609,448	3.4%	Rank history: #7 in FY2021 and not on the FY2022–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
6	CDM Constructors Inc. 2 awardees Top agencies DOI (Department of the Interior) Navy (Department of the Navy)	$26,608,900	2.4%	Rank history: not on the FY2021–FY2023 lists, #1 in FY2024 and #2 in FY2025; down 4 since Jul 2024–Jun 2025.
7	Joseph J Henderson & Son Inc. Top agencies Navy (Department of the Navy)	$25,339,800	2.2%	Rank history: not on the FY2021–FY2024 lists and #6 in FY2025; new, not ranked in Jul 2024–Jun 2025.
8	Hampton Roads Mechanical of Virginia, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$24,619,644	2.2%	Rank history: #17 in FY2021, #18 in FY2022, #19 in FY2023, #10 in FY2024 and #8 in FY2025; up 11 since Jul 2024–Jun 2025.
9	Red Eagle 3 JV Top agencies Army (Department of the Army)	$22,859,800	2.0%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
10	Kyunan Co., Ltd. Top agencies USAF (Department of the Air Force)	$21,195,630	1.9%	Rank history: not on the FY2021–FY2024 lists and #9 in FY2025; new, not ranked in Jul 2024–Jun 2025.
11	Bairco Construction Inc. Top agencies DOI (Department of the Interior)	$18,691,193	1.7%	Rank history: #22 in FY2021, #50 in FY2022, #40 in FY2023, #24 in FY2024 and not on the FY2025 list; up 14 since Jul 2024–Jun 2025.
12	Global Engineering Services Inc. Top agencies VA (Department of Veterans Affairs)	$16,972,443	1.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
13	Chandler Construction Services, Inc. Top agencies Army (Department of the Army)	$16,758,668	1.5%	Rank history: not on the FY2021–FY2023 lists, #4 in FY2024 and not on the FY2025 list; down 2 since Jul 2024–Jun 2025.
14	Blue Cord Design and Construction, LLC Top agencies VA (Department of Veterans Affairs)	$15,551,504	1.4%	Rank history: not on the FY2021–FY2024 lists and #11 in FY2025; up 77 since Jul 2024–Jun 2025.
15	Bethel Downstream JV Top agencies Navy (Department of the Navy)	$13,776,600	1.2%	Rank history: not on the FY2021–FY2024 lists and #94 in FY2025; up 480 since Jul 2024–Jun 2025.
16	Randy Kinder Excavating Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$13,674,029	1.2%	Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; up 1 since Jul 2024–Jun 2025.
17	Etolin Strait Associates LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$12,504,200	1.1%	Rank history: not on the FY2021–FY2023 lists, #11 in FY2024 and #15 in FY2025; down 1 since Jul 2024–Jun 2025.
18	Mckenzie Construction & Site Development LLC Top agencies DOI (Department of the Interior)	$12,121,532	1.1%	Rank history: not on the FY2021–FY2024 lists and #58 in FY2025; new, not ranked in Jul 2024–Jun 2025.
19	JBW Group LLC Top agencies Navy (Department of the Navy)	$11,900,000	1.1%	Rank history: not on the FY2021–FY2024 lists and #19 in FY2025; up 91 since Jul 2024–Jun 2025.
20	Boyer Commercial Construction Inc. Top agencies VA (Department of Veterans Affairs)	$11,740,000	1.0%	Rank history: not on the FY2021–FY2024 lists and #20 in FY2025; new, not ranked in Jul 2024–Jun 2025.
21	Sea PAC Engineering Inc Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$11,640,970	1.0%	Rank history: not on the FY2021–FY2023 lists, #29 in FY2024 and #21 in FY2025; new, not ranked in Jul 2024–Jun 2025.
22	Aaecon General Contracting LLC Top agencies VA (Department of Veterans Affairs) USDA (Department of Agriculture) Army (Department of the Army)	$11,346,979	1.0%	Rank history: not on the FY2021–FY2024 lists and #23 in FY2025; up 347 since Jul 2024–Jun 2025.
23	Prairie Band Construction, Inc. Top agencies Army (Department of the Army)	$10,998,670	1.0%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
24	Orcom a Division of Ortega Companies Inc Top agencies DOI (Department of the Interior)	$10,795,190	1.0%	Rank history: not on the FY2021–FY2023 lists, #21 in FY2024 and not on the FY2025 list; down 4 since Jul 2024–Jun 2025.
25	Briston Construction LLC Top agencies VA (Department of Veterans Affairs)	$10,090,128	0.9%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
26	Guardian Construction, Inc. Top agencies DOI (Department of the Interior)	$9,827,287	0.9%	Rank history: not on the FY2021–FY2023 lists, #63 in FY2024 and not on the FY2025 list; up 45 since Jul 2024–Jun 2025.
27	Northbank Civil and Marine, LLC Top agencies Army (Department of the Army)	$8,643,870	0.8%	Rank history: not on the FY2021–FY2023 lists, #18 in FY2024 and #27 in FY2025; up 4 since Jul 2024–Jun 2025.
28	Loduca Associates, Inc. Top agencies Army (Department of the Army)	$8,367,796	0.7%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
29	Porr Government Services Benelux Top agencies Army (Department of the Army)	$8,093,999	0.7%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; new, not ranked in Jul 2024–Jun 2025.
30	S & K Design Build LLC Top agencies USAF (Department of the Air Force)	$7,844,620	0.7%	Rank history: not on the FY2021–FY2024 lists and #31 in FY2025; new, not ranked in Jul 2024–Jun 2025.
31	Ideal Engineering Solutions P.s.c Top agencies DOT (Department of Transportation)	$7,674,040	0.7%	Rank history: not on the FY2021–FY2024 lists and #32 in FY2025; new, not ranked in Jul 2024–Jun 2025.
32	Jacobs Government Services Company Through Jacobs Project Management Co. Top agencies DOI (Department of the Interior)	$7,554,611	0.7%	Rank history: not on the FY2021–FY2023 lists, #3 in FY2024 and #1 in FY2025; down 31 since Jul 2024–Jun 2025.
33	RJS Construction, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$6,761,877	0.6%	Rank history: not on the FY2021–FY2023 lists, #92 in FY2024 and #49 in FY2025; up 63 since Jul 2024–Jun 2025.
34	Tehama Technical Services, LLC Top agencies DOI (Department of the Interior)	$6,590,630	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
35	PCL Construction Inc Top agencies IBWC (International Boundary and Water Commission U.S.-Mexico)	$6,250,000	0.6%	Rank history: not on the FY2021–FY2023 lists, #5 in FY2024 and #10 in FY2025; down 31 since Jul 2024–Jun 2025.
36	Vixen LLC Top agencies Army (Department of the Army)	$5,996,721	0.5%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
37	Ames 1 LLC Top agencies DOI (Department of the Interior)	$5,855,604	0.5%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; new, not ranked in Jul 2024–Jun 2025.
38	B2 Constructors, LLC Top agencies VA (Department of Veterans Affairs)	$5,807,894	0.5%	Rank history: not on the FY2021 list, #38 in FY2022, not on the FY2023–FY2024 lists and #38 in FY2025; up 181 since Jul 2024–Jun 2025.
39	Ocean Construction Services Inc. Top agencies Navy (Department of the Navy)	$5,716,479	0.5%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023, #40 in FY2024 and #65 in FY2025; up 35 since Jul 2024–Jun 2025.
40	Tybe-Garney Federal JV LLC Top agencies Navy (Department of the Navy)	$5,166,615	0.5%	Rank history: not on the FY2021 list, #4 in FY2022, #4 in FY2023, #57 in FY2024 and #29 in FY2025; up 5 since Jul 2024–Jun 2025.
41	ANCHOR-41 Construction LLC Top agencies VA (Department of Veterans Affairs)	$5,157,586	0.5%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; new, not ranked in Jul 2024–Jun 2025.
42	Wright Bros LLC Top agencies USDA (Department of Agriculture)	$5,015,701	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
43	DFW Cad Services LLC Top agencies DOJ (Department of Justice)	$5,004,608	0.4%	Rank history: not on the FY2021–FY2025 lists; up 89 since Jul 2024–Jun 2025.
44	Guidehouse Inc. Through Aptim-North Wind Construction JV LLC Top agencies DOE (Department of Energy)	$4,940,531	0.4%	Rank history: not on the FY2021–FY2024 lists and #43 in FY2025; new, not ranked in Jul 2024–Jun 2025.
45	DE LA HOZ Builders Inc Top agencies USAF (Department of the Air Force)	$4,906,558	0.4%	Rank history: not on the FY2021–FY2023 lists, #39 in FY2024 and #44 in FY2025; up 49 since Jul 2024–Jun 2025.
46	Cdeem Co Top agencies VA (Department of Veterans Affairs)	$4,776,000	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
47	A & H-Ambica JV LLC Top agencies USAF (Department of the Air Force)	$4,580,000	0.4%	Rank history: not on the FY2021–FY2024 lists and #46 in FY2025; new, not ranked in Jul 2024–Jun 2025.
48	A & M & Southwind Small Business Joint Venture Top agencies Army (Department of the Army)	$4,465,303	0.4%	Rank history: not on the FY2021–FY2024 lists and #47 in FY2025; new, not ranked in Jul 2024–Jun 2025.
49	King General Contractors, Inc. Top agencies USDA (Department of Agriculture)	$4,209,780	0.4%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
50	Koman Government Solutions LLC Top agencies Navy (Department of the Navy)	$4,101,458	0.4%	Rank history: not on the FY2021–FY2024 lists and #48 in FY2025; up 162 since Jul 2024–Jun 2025.
51	C.j. Mahan Construction Company, LLC Top agencies Army (Department of the Army)	$3,997,938	0.4%	Rank history: not on the FY2021–FY2023 lists, #13 in FY2024 and #60 in FY2025; up 14 since Jul 2024–Jun 2025.
52	Frawner Corporation Top agencies Navy (Department of the Navy)	$3,976,940	0.4%	Rank history: #26 in FY2021, #25 in FY2022, not on the FY2023 list, #14 in FY2024 and #42 in FY2025; up 36 since Jul 2024–Jun 2025.
53	Orders Construction Co Inc. Top agencies Army (Department of the Army)	$3,957,535	0.4%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; new, not ranked in Jul 2024–Jun 2025.
54	JMG Constructors LLC Top agencies DOI (Department of the Interior)	$3,870,894	0.3%	Rank history: #24 in FY2021, #32 in FY2022, #22 in FY2023, not on the FY2024 list and #79 in FY2025; up 21 since Jul 2024–Jun 2025.
55	OCS Construction Services Inc. Top agencies DOJ (Department of Justice)	$3,796,165	0.3%	Rank history: not on the FY2021 list, #86 in FY2022, not on the FY2023–FY2024 lists and #70 in FY2025; new, not ranked in Jul 2024–Jun 2025.
56	Mig Gov, LLC Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$3,731,570	0.3%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023, not on the FY2024 list and #22 in FY2025; down 27 since Jul 2024–Jun 2025.
57	Bering Straits Global Innovations, LLC Top agencies DOI (Department of the Interior)	$3,586,401	0.3%	Rank history: not on the FY2021–FY2023 lists, #50 in FY2024 and #51 in FY2025; up 3 since Jul 2024–Jun 2025.
58	Utility Contracting Inc. Top agencies Army (Department of the Army)	$3,557,832	0.3%	Rank history: not on the FY2021–FY2024 lists and #53 in FY2025; new, not ranked in Jul 2024–Jun 2025.
59	Shumaker Trucking & Excavating Contractors, Inc. Top agencies USAF (Department of the Air Force)	$3,521,222	0.3%	Rank history: not on the FY2021–FY2024 lists and #54 in FY2025; new, not ranked in Jul 2024–Jun 2025.
60	Kissner G C Inc. Top agencies DOI (Department of the Interior)	$3,431,416	0.3%	Rank history: #71 in FY2021, not on the FY2022–FY2024 lists and #57 in FY2025; new, not ranked in Jul 2024–Jun 2025.
61	Stronghold Engineering Inc. Top agencies DOI (Department of the Interior)	$3,060,899	0.3%	Rank history: not on the FY2021–FY2022 lists, #1 in FY2023, not on the FY2024 list and #40 in FY2025; down 26 since Jul 2024–Jun 2025.
62	Sygnos Inc. Top agencies Navy (Department of the Navy)	$2,914,473	0.3%	Rank history: #41 in FY2021, #24 in FY2022, #31 in FY2023, #32 in FY2024 and #36 in FY2025; down 34 since Jul 2024–Jun 2025.
63	Bundesministerium FUR Umwelt Naturschutz UND Reaktorsicherheit Through Bundesministerium FÜR Umwelt, Naturschutz UND Reaktorsicherheit Top agencies Army (Department of the Army)	$2,734,376	0.2%	Rank history: #56 in FY2021, #97 in FY2022, not on the FY2023–FY2024 lists and #67 in FY2025; new, not ranked in Jul 2024–Jun 2025.
64	Pure Enviro-Management, LLC Top agencies DOI (Department of the Interior)	$2,733,051	0.2%	Rank history: not on the FY2021 list, #93 in FY2022, #47 in FY2023, not on the FY2024 list and #37 in FY2025; down 23 since Jul 2024–Jun 2025.
65	Weeminuche Construction Authority Through WCA Construction, LLC Top agencies DOI (Department of the Interior)	$2,671,167	0.2%	Rank history: not on the FY2021–FY2023 lists, #73 in FY2024 and #18 in FY2025; down 41 since Jul 2024–Jun 2025.
66	Native Contractors, Inc. Top agencies VA (Department of Veterans Affairs)	$2,267,382	0.2%	Rank history: not on the FY2021–FY2025 lists; up 240 since Jul 2024–Jun 2025.
67	Taylor Engineering, PLLC Top agencies Navy (Department of the Navy)	$2,209,305	0.2%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; new, not ranked in Jul 2024–Jun 2025.
68	Ameritech Contracting LLC Top agencies VA (Department of Veterans Affairs)	$2,190,000	0.2%	Rank history: not on the FY2021–FY2024 lists and #73 in FY2025; new, not ranked in Jul 2024–Jun 2025.
69	Kwaan Sac JV, LLC Top agencies Navy (Department of the Navy)	$2,058,452	0.2%	Rank history: not on the FY2021–FY2024 lists and #75 in FY2025; new, not ranked in Jul 2024–Jun 2025.
70	GA Mechanical Inc. Top agencies Army (Department of the Army)	$2,005,829	0.2%	Rank history: not on the FY2021 list, #82 in FY2022, #57 in FY2023, #68 in FY2024 and #76 in FY2025; down 2 since Jul 2024–Jun 2025.
71	Double Diamond Contracting Inc. Top agencies USDA (Department of Agriculture)	$1,931,557	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
72	Lacreek Development Corp Top agencies HHS (Department of Health and Human Services)	$1,930,381	0.2%	Rank history: not on the FY2021–FY2023 lists, #89 in FY2024 and #78 in FY2025; up 399 since Jul 2024–Jun 2025.
73	Teraflex Group LLC Top agencies USDA (Department of Agriculture)	$1,923,451	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
74	Green Tech-Accu JV LLC Top agencies DOS (Department of State)	$1,859,527	0.2%	Rank history: not on the FY2021–FY2024 lists and #56 in FY2025; up 11 since Jul 2024–Jun 2025.
75	Terra Site Constructors LLC Top agencies DHS (Department of Homeland Security)	$1,856,477	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
76	Haskins Excavating LLC Top agencies USDA (Department of Agriculture)	$1,815,737	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
77	Techni-Con, Inc. Top agencies USAF (Department of the Air Force)	$1,798,000	0.2%	Rank history: not on the FY2021 list, #51 in FY2022, #34 in FY2023, not on the FY2024 list and #81 in FY2025; new, not ranked in Jul 2024–Jun 2025.
78	IHP Industrial Inc. Top agencies Army (Department of the Army)	$1,710,658	0.2%	Rank history: not on the FY2021–FY2024 lists and #35 in FY2025; down 42 since Jul 2024–Jun 2025.
79	Plastech Services, Inc. Top agencies Army (Department of the Army)	$1,701,696	0.2%	Rank history: not on the FY2021–FY2024 lists and #84 in FY2025; up 217 since Jul 2024–Jun 2025.
80	Sustainable Facilities Management Services LLC Top agencies Army (Department of the Army)	$1,671,262	0.1%	Rank history: not on the FY2021–FY2024 lists and #86 in FY2025; new, not ranked in Jul 2024–Jun 2025.
81	Alfaro General Engineering Top agencies Navy (Department of the Navy)	$1,653,379	0.1%	Rank history: not on the FY2021–FY2025 lists; up 54 since Jul 2024–Jun 2025.
82	Semper FI Industrial Coatings Inc. Top agencies Army (Department of the Army)	$1,544,872	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
83	Integrated Environmental Solutions, Inc. Top agencies Army (Department of the Army)	$1,537,395	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and not on the FY2024–FY2025 lists; up 36 since Jul 2024–Jun 2025.
84	Blue Spader Contractors Inc. Top agencies USAF (Department of the Air Force)	$1,534,403	0.1%	Rank history: not on the FY2021–FY2024 lists and #87 in FY2025; new, not ranked in Jul 2024–Jun 2025.
85	Ahtna Solutions, LLC Top agencies Army (Department of the Army)	$1,499,407	0.1%	Rank history: not on the FY2021–FY2024 lists and #89 in FY2025; new, not ranked in Jul 2024–Jun 2025.
86	OK2 Construction, LLC Top agencies DOI (Department of the Interior)	$1,399,481	0.1%	Rank history: not on the FY2021–FY2024 lists and #92 in FY2025; new, not ranked in Jul 2024–Jun 2025.
87	Transtar Pipeline and Orion Construction JV Top agencies Navy (Department of the Navy)	$1,391,551	0.1%	Rank history: #36 in FY2021, #34 in FY2022, #16 in FY2023, #22 in FY2024 and not on the FY2025 list; down 55 since Jul 2024–Jun 2025.
88	SNC Core JV, LLC Top agencies DOI (Department of the Interior)	$1,376,870	0.1%	Rank history: not on the FY2021–FY2024 lists and #90 in FY2025; new, not ranked in Jul 2024–Jun 2025.
89	Central Environmental Inc. Top agencies Navy (Department of the Navy)	$1,372,014	0.1%	Rank history: #31 in FY2021, #16 in FY2022, #45 in FY2023, #20 in FY2024 and #77 in FY2025; down 67 since Jul 2024–Jun 2025.
90	Vmjr Companies LLC Top agencies Army (Department of the Army)	$1,344,650	0.1%	Rank history: not on the FY2021–FY2024 lists and #95 in FY2025; new, not ranked in Jul 2024–Jun 2025.
91	Quality Driven Service LLC Top agencies USDA (Department of Agriculture)	$1,337,546	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
92	Matthes Parker LLC Top agencies USAF (Department of the Air Force)	$1,318,489	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
93	Gideon Contracting, Limited Liability Company Top agencies USDA (Department of Agriculture)	$1,317,330	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
94	Lynn/Cornerstone Holdings LLC Through Gracon LLC Top agencies DOI (Department of the Interior)	$1,309,865	0.1%	Rank history: not on the FY2021 list, #58 in FY2022, not on the FY2023–FY2024 lists and #96 in FY2025; up 14 since Jul 2024–Jun 2025.
95	Woi-Bry JV, LLC Top agencies USAF (Department of the Air Force)	$1,284,454	0.1%	Rank history: not on the FY2021–FY2024 lists and #98 in FY2025; new, not ranked in Jul 2024–Jun 2025.
96	Red Arrow JV, LLC Top agencies USAF (Department of the Air Force)	$1,263,783	0.1%	Rank history: not on the FY2021–FY2024 lists and #100 in FY2025; new, not ranked in Jul 2024–Jun 2025.
97	Creativity Global Consultancy Limited Top agencies USAF (Department of the Air Force)	$1,166,138	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
98	Chris G Howard Top agencies HHS (Department of Health and Human Services)	$1,150,175	0.1%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2023 and not on the FY2024–FY2025 lists; up 56 since Jul 2024–Jun 2025.
99	Calvary Contracting Inc Top agencies VA (Department of Veterans Affairs)	$1,123,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
100	Kamex, Inc. Top agencies Army (Department of the Army)	$1,099,208	0.1%	Rank history: not on the FY2021–FY2023 lists, #25 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.

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100 of 510 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 23711

Code	Net obligations	Largest contractor
237110 Water and Sewer Line and Related Structures Construction	$1,098,708,689	Record Steel and Construction, 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 $1.13 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 23711 contractors in Jul 2025–Jun 2026?

1. Record Steel and Construction, Inc. ($130M), 2. Ames Federal Contracting Group LLC ($129M), 3. G.s.e. Construction Company, Inc. ($119M), 4. Tutor Perini Corporation ($42.3M), 5. Red Point Construction, LLC ($38.6M), 6. CDM Constructors Inc. ($26.6M), 7. Joseph J Henderson & Son Inc. ($25.3M), 8. Hampton Roads Mechanical of Virginia, LLC ($24.6M), 9. Red Eagle 3 JV ($22.9M), 10. Kyunan Co., Ltd. ($21.2M).

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