Top 100 Contractors in NAICS 238: Specialty Trade Contractors, FY2023

Name: Top 100 Contractors in NAICS 238: Specialty Trade Contractors, FY2023
Creator: GovTribe

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

The top 10 won 21% of FY2023 NAICS 238 contract dollars

Contract obligations: $4,729,643,556 Net of deobligations, by contracts coded NAICS 238 or a code under it
Contractors: 5,380 Parent companies with an obligation
Largest contractor: DB Netz AG Regionalnetz Oberpfalz $553 million, 11.2% 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	DB Netz AG Regionalnetz Oberpfalz Top agencies Army (Department of the Army)	$553,462,684	11.2%	Rank history: not on the FY2021 list, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	American Engineering Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$91,602,543	1.8%	Rank history: #4 in FY2021, #4 in FY2022, #3 in FY2024 and #11 in FY2025; up 2 since FY2022.
3	Xator LLC Top agencies DOS (Department of State)	$88,174,457	1.8%	Rank history: #3 in FY2021, #2 in FY2022, #25 in FY2024 and not on the FY2025 list; down 1 since FY2022.
4	Elevated Technologies Services, LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) GSA (General Services Administration)	$61,639,593	1.2%	Rank history: #16 in FY2021, #8 in FY2022, #18 in FY2024 and #7 in FY2025; up 4 since FY2022.
5	Wells Global, LLC Top agencies DOT (Department of Transportation)	$59,814,046	1.2%	Rank history: #18 in FY2021, #13 in FY2022, #16 in FY2024 and #6 in FY2025; up 8 since FY2022.
6	WSP USA Solutions Inc. Top agencies Army (Department of the Army)	$49,439,479	1.0%	Rank history: #6 in FY2021, #5 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
7	S & M & Associates, Inc. Top agencies Army (Department of the Army)	$44,478,152	0.9%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
8	M.c. Dean, Inc. Top agencies Army (Department of the Army) DOT (Department of Transportation) WHS (DOD Washington Headquarters Service)	$38,305,335	0.8%	Rank history: #2 in FY2021, #19 in FY2022, #92 in FY2024 and #18 in FY2025; up 11 since FY2022.
9	Cusa Consulting LLC Top agencies DOT (Department of Transportation)	$29,813,953	0.6%	Rank history: #43 in FY2021, #36 in FY2022, #13 in FY2024 and #61 in FY2025; up 27 since FY2022.
10	Thomco Enterprises Incorporated Top agencies Army (Department of the Army)	$28,091,903	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
11	Blue Pacific JV LLC Top agencies VA (Department of Veterans Affairs)	$27,979,166	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
12	Flatwater Professional Services Company Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$25,907,952	0.5%	Rank history: not on the FY2021 list, #89 in FY2022, #44 in FY2024 and not on the FY2025 list; up 77 since FY2022.
13	Structural Group, Inc. Through Pullman Sst, Inc. Top agencies DOI (Department of the Interior)	$25,846,615	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
14	Mechworks Mechanical Contractors, Inc. Top agencies Navy (Department of the Navy)	$24,805,216	0.5%	Rank history: not on the FY2021 list, #53 in FY2022, #32 in FY2024 and #75 in FY2025; up 39 since FY2022.
15	Garco Wemco A Joint Venture Top agencies Army (Department of the Army) DOE (Department of Energy)	$23,633,358	0.5%	Rank history: #34 in FY2021, #49 in FY2022 and not on the FY2024–FY2025 lists; up 34 since FY2022.
16	Gustav Keoni Top agencies DOJ (Department of Justice)	$22,656,853	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
17	RCA Contracting, Inc. Top agencies USAF (Department of the Air Force)	$21,998,781	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 225 since FY2022.
18	Aleut Building Company LLC Top agencies NASA (National Aeronautics and Space Administration)	$21,572,354	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
19	Mcmillen LLC Top agencies Army (Department of the Army)	$20,943,000	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
20	Miquin, L.L.C. Top agencies Navy (Department of the Navy)	$20,316,446	0.4%	Rank history: not on the FY2021 list, #26 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
21	Legacy Joint Venture Group, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$20,299,333	0.4%	Rank history: not on the FY2021 list, #32 in FY2022, #23 in FY2024 and not on the FY2025 list; up 11 since FY2022.
22	North State Mechanical Inc. Top agencies Navy (Department of the Navy)	$20,160,437	0.4%	Rank history: #10 in FY2021, #52 in FY2022, #34 in FY2024 and #19 in FY2025; up 30 since FY2022.
23	Ricardo Perez S.a. 2 awardees, including Olsson Industrial Electric, Inc. and Avidex Industries, L.L.C. Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$20,060,900	0.4%	Rank history: not on the FY2021 list, #43 in FY2022 and not on the FY2024–FY2025 lists; up 20 since FY2022.
24	JP Donovan Construction Inc. Top agencies NASA (National Aeronautics and Space Administration)	$19,360,551	0.4%	Rank history: #41 in FY2021, #6 in FY2022 and not on the FY2024–FY2025 lists; down 18 since FY2022.
25	Armstrong Elevator Company Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation) GSA (General Services Administration)	$19,135,519	0.4%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2024 and #48 in FY2025; up 114 since FY2022.
26	Krueger International, Inc. Top agencies DOJ (Department of Justice)	$18,321,550	0.4%	Rank history: #5 in FY2021, #12 in FY2022, #22 in FY2024 and #24 in FY2025; down 14 since FY2022.
27	Heffler Contracting Group Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$17,563,900	0.4%	Rank history: #23 in FY2021, #18 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
28	Aed, Inc. Through AED Stratecon, LLC Top agencies DOS (Department of State)	$17,043,527	0.3%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2024 and not on the FY2025 list; new.
29	R&I Construction, Inc. Top agencies Army (Department of the Army)	$16,942,800	0.3%	Rank history: #63 in FY2021, #88 in FY2022 and not on the FY2024–FY2025 lists; up 59 since FY2022.
30	Cypress-Sbs JV LLC Top agencies Army (Department of the Army)	$16,911,296	0.3%	Rank history: #24 in FY2021, #38 in FY2022, #69 in FY2024 and #100 in FY2025; up 8 since FY2022.
31	Sedona-Nasco Jv2, LLC Top agencies Army (Department of the Army)	$16,838,454	0.3%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2024 and #4 in FY2025; new.
32	Waldrop Construction Inc Top agencies USAF (Department of the Air Force)	$16,714,513	0.3%	Rank history: not on the FY2021 list, #77 in FY2022 and not on the FY2024–FY2025 lists; up 45 since FY2022.
33	Koniag, Inc. 3 awardees, including Tuknik Government Services LLC Top agencies DOS (Department of State)	$16,066,967	0.3%	Rank history: #61 in FY2021, #46 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
34	Chatmon-Vjr, JV, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$16,009,970	0.3%	Rank history: #55 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 74 since FY2022.
35	Inland Construction and Engineering Inc. Top agencies DOJ (Department of Justice)	$14,973,379	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
36	Firelake Construction Inc. Top agencies USDA (Department of Agriculture)	$14,917,777	0.3%	Rank history: #59 in FY2021, #73 in FY2022 and not on the FY2024–FY2025 lists; up 37 since FY2022.
37	Hawaiian Native Corporation 2 awardees, including Aktarius LLC and Dawson Federal, Inc. Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$14,459,342	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
38	HCI Systems, Inc. Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs)	$14,385,314	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 110 since FY2022.
39	Industria Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy)	$13,941,442	0.3%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #83 in FY2025; new.
40	R & W Construction Company Top agencies Navy (Department of the Navy)	$13,921,193	0.3%	Rank history: not on the FY2021 list, #17 in FY2022, #89 in FY2024 and not on the FY2025 list; down 23 since FY2022.
41	TST Tactical Defense Solutions, Inc. Top agencies Navy (Department of the Navy)	$13,826,802	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 208 since FY2022.
42	Fuji Construction Co.,Ltd. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$13,805,760	0.3%	Rank history: #53 in FY2021, not on the FY2022 list, #80 in FY2024 and #78 in FY2025; up 413 since FY2022.
43	Qcm, Inc. Top agencies WHS (DOD Washington Headquarters Service) Commerce (Department of Commerce) GSA (General Services Administration)	$13,507,378	0.3%	Rank history: #30 in FY2021, #70 in FY2022, #36 in FY2024 and #53 in FY2025; up 27 since FY2022.
44	Yuksel Insaat Saudia Co. Ltd Top agencies Army (Department of the Army)	$13,264,725	0.3%	Rank history: not on the FY2021 list, #66 in FY2022 and not on the FY2024–FY2025 lists; up 22 since FY2022.
45	Cavu-Roncelli Construction Jv-10 LLC Top agencies VA (Department of Veterans Affairs)	$12,644,000	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	Kyunan Co., Ltd. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$12,599,897	0.3%	Rank history: #56 in FY2021, #37 in FY2022, #78 in FY2024 and not on the FY2025 list; down 9 since FY2022.
47	Rycars Construction Top agencies USAF (Department of the Air Force) DOJ (Department of Justice)	$12,294,707	0.2%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2024 and not on the FY2025 list; new.
48	Paradigm Mechanical Corp. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$12,168,385	0.2%	Rank history: #90 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 78 since FY2022.
49	Cherokee Nation 2 awardees, including Cherokee CRC LLC and Cherokee Nation Development Group, L.L.C. Top agencies DOI (Department of the Interior) USAF (Department of the Air Force)	$12,132,905	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	Miwok Construction LLC Top agencies USAF (Department of the Air Force) GSA (General Services Administration)	$12,099,291	0.2%	Rank history: not on the FY2021 list, #29 in FY2022, #11 in FY2024 and #16 in FY2025; down 21 since FY2022.
51	Henry General Contractors Inc Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) Army (Department of the Army)	$12,031,070	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
52	Trumbull Corporation and Brayman Construction Corporation, A Joint Venture Top agencies Army (Department of the Army)	$11,930,614	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
53	Kone Inc. Top agencies GSA (General Services Administration) AOUSC (Administrative Office of the U.S. Courts) VA (Department of Veterans Affairs)	$11,804,500	0.2%	Rank history: #21 in FY2021, #61 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
54	Chickasaw Strategic Pointe, LLC Top agencies DOT (Department of Transportation)	$11,692,020	0.2%	Rank history: not on the FY2021 list, #71 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
55	Brazos Roofing International of South Dakota, Inc. Top agencies Army (Department of the Army)	$11,449,740	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #30 in FY2025; up 358 since FY2022.
56	Tactical Infrastructure Maintenance Solutions LLC Top agencies DHS (Department of Homeland Security)	$11,431,620	0.2%	Rank history: #27 in FY2021, #55 in FY2022, #53 in FY2024 and #46 in FY2025; down 1 since FY2022.
57	Pacific TECH Construction Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$11,256,998	0.2%	Rank history: #35 in FY2021, #16 in FY2022, #2 in FY2024 and #14 in FY2025; down 41 since FY2022.
58	Bhate Environmental Associates, Inc. Top agencies Army (Department of the Army)	$10,962,170	0.2%	Rank history: #22 in FY2021, #42 in FY2022, #84 in FY2024 and not on the FY2025 list; down 16 since FY2022.
59	Panacea Construction Group LLC Top agencies VA (Department of Veterans Affairs) DOT (Department of Transportation)	$10,932,201	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	Ar6-Cram Roofing JV LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$10,678,252	0.2%	Rank history: #89 in FY2021, #24 in FY2022, #35 in FY2024 and not on the FY2025 list; down 36 since FY2022.
61	TK Elevator Corporation 17 awardees, including Thyssenkrupp Elevator Corporation and T K Elevator Corporation Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) DOT (Department of Transportation)	$10,663,021	0.2%	Rank history: #20 in FY2021, #10 in FY2022 and not on the FY2024–FY2025 lists; down 51 since FY2022.
62	Within Interior Design, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$10,554,657	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
63	Tj&B Air Conditioning and Electric, LLC Top agencies DOT (Department of Transportation)	$10,544,336	0.2%	Rank history: not on the FY2021 list, #60 in FY2022, #41 in FY2024 and not on the FY2025 list; down 3 since FY2022.
64	Doliveira Systems LLC Top agencies Army (Department of the Army) Commerce (Department of Commerce) DLA (Defense Logistics Agency)	$10,504,591	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
65	Olgoonik Federal LLC 2 awardees, including Olgoonik General, LLC and Olgoonik Enterprises, LLC Top agencies HHS (Department of Health and Human Services)	$10,429,079	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
66	CYE Enterprises Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$10,423,891	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	Environmental Chemical Corporation 2 awardees, including Ecco GMBH Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$10,341,376	0.2%	Rank history: #77 in FY2021, not on the FY2022 list, #15 in FY2024 and not on the FY2025 list; up 52 since FY2022.
68	Maeda-Onaka Joint Venture Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$10,242,457	0.2%	Rank history: #67 in FY2021, #86 in FY2022, #72 in FY2024 and not on the FY2025 list; up 18 since FY2022.
69	General Mechanical Corporation Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$10,229,152	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	Permon Contractors Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$10,227,068	0.2%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and #50 in FY2025; up 57 since FY2022.
71	Sumitomo Heavy Industries, Ltd. Through Sumiju Yokosuka Kogyo Co., Ltd. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$10,194,671	0.2%	Rank history: #15 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 140 since FY2022.
72	Davenport Electric Contract Company Top agencies Army (Department of the Army)	$10,070,662	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	Southwest Construction & Property Management Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$10,043,750	0.2%	Rank history: not on the FY2021 list, #99 in FY2022 and not on the FY2024–FY2025 lists; up 26 since FY2022.
74	Jett's Specialty Contracting, LLC Top agencies VA (Department of Veterans Affairs)	$9,884,183	0.2%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2024 and #12 in FY2025; up 412 since FY2022.
75	Sentinel Power Services, LLC Top agencies DOT (Department of Transportation)	$9,772,113	0.2%	Rank history: not on the FY2021 list, #22 in FY2022, #42 in FY2024 and #36 in FY2025; down 53 since FY2022.
76	J Davis Construction Management Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$9,732,997	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 56 since FY2022.
77	Milicon Inc Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$9,607,754	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
78	Arctic Slope Regional Corporation 2 awardees, including EQM Services, LLC Top agencies DOI (Department of the Interior)	$9,568,866	0.2%	Rank history: #28 in FY2021, not on the FY2022 list, not on the FY2024 list and #31 in FY2025; up 208 since FY2022.
79	Calista Corp 2 awardees, including STG Pacific, LLC and Alaska Crane, Ltd. Top agencies DOI (Department of the Interior) Army (Department of the Army) USAF (Department of the Air Force)	$9,520,163	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 39 since FY2022.
80	Kekolu Contracting LLC Top agencies Navy (Department of the Navy)	$9,379,325	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 83 since FY2022.
81	Copper Current Inc. Top agencies Army (Department of the Army) MDA (DOD Missile Defense Agency)	$9,304,314	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 99 since FY2022.
82	C.n.s. Communications, LLC Top agencies DOT (Department of Transportation)	$8,933,019	0.2%	Rank history: not on the FY2021 list, #64 in FY2022, #87 in FY2024 and not on the FY2025 list; down 18 since FY2022.
83	Diverse Solutions Group Inc. Through Forus Contracting, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) VA (Department of Veterans Affairs)	$8,639,342	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 220 since FY2022.
84	Front Range Construction Inc. Top agencies DOJ (Department of Justice) DOI (Department of the Interior) DOE (Department of Energy)	$8,539,918	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 134 since FY2022.
85	Roofing Resources Inc. Top agencies USAF (Department of the Air Force) DOS (Department of State) GSA (General Services Administration)	$8,473,696	0.2%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2024 and #63 in FY2025; up 253 since FY2022.
86	D7, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$8,403,517	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 29 since FY2022.
87	Koman Sustainable Solutions, LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army) USAF (Department of the Air Force)	$8,392,829	0.2%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2024 and not on the FY2025 list; new.
88	Chase, Carson & White, L.L.C. Top agencies Army (Department of the Army) DOJ (Department of Justice) USDA (Department of Agriculture)	$8,356,240	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	"A-Vet Roofing & Construction, L.l.c." Top agencies USAF (Department of the Air Force)	$8,323,954	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 21 since FY2022.
90	Red Point Construction LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) DHS (Department of Homeland Security)	$8,218,583	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Addon Services LLC Top agencies Army (Department of the Army) GSA (General Services Administration)	$8,202,478	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	MIK Construction Inc. Top agencies Navy (Department of the Navy)	$8,106,303	0.2%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2024 and #22 in FY2025; up 258 since FY2022.
93	UD Contracting Inc. Top agencies Army (Department of the Army)	$8,102,899	0.2%	Rank history: #69 in FY2021, #79 in FY2022, #75 in FY2024 and not on the FY2025 list; down 14 since FY2022.
94	Bishop, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$8,046,913	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 275 since FY2022.
95	Capital Brand Group LLC Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service) FCC (Federal Communications Commission)	$8,023,095	0.2%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2024 and #38 in FY2025; up 64 since FY2022.
96	Byrd Enterprises Unlimited Inc. Top agencies VA (Department of Veterans Affairs)	$8,006,439	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 391 since FY2022.
97	Good-Men Roofing & Construction Inc. Top agencies USAF (Department of the Air Force)	$7,992,930	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 67 since FY2022.
98	Wayss & Freytag Ingenieurbau AG Top agencies DOS (Department of State)	$7,930,616	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 246 since FY2022.
99	Western Cape Rubicon Electrical (Pty) Ltd Top agencies DOS (Department of State)	$7,853,015	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
100	Urban Electric, Inc. Top agencies DOT (Department of Transportation)	$7,771,160	0.2%	Rank history: not on the FY2021 list, #74 in FY2022 and not on the FY2024–FY2025 lists; down 26 since FY2022.

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100 of 5,380 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 238

Code	Net obligations	Largest contractor
2382 Building Equipment Contractors	$2,252,691,273	Xator LLC
2389 Other Specialty Trade Contractors	$1,502,101,712	DB Netz AG Regionalnetz Oberpfalz
2381 Foundation, Structure, and Building Exterior Contractors	$743,336,150	S & M & Associates, Inc.
2383 Building Finishing Contractors	$231,514,421	Flatwater Professional Services Company

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 $4.95 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 238 contractors in FY2023?

1. DB Netz AG Regionalnetz Oberpfalz ($553M), 2. American Engineering Corporation ($91.6M), 3. Xator LLC ($88.2M), 4. Elevated Technologies Services, LLC ($61.6M), 5. Wells Global, LLC ($59.8M), 6. WSP USA Solutions Inc. ($49.4M), 7. S & M & Associates, Inc. ($44.5M), 8. M.c. Dean, Inc. ($38.3M), 9. Cusa Consulting LLC ($29.8M), 10. Thomco Enterprises Incorporated ($28.1M).

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