Top 100 Contractors in NAICS 23821: Electrical Contractors and Other Wiring Installation Contractors, FY2023

Name: Top 100 Contractors in NAICS 23821: Electrical Contractors and Other Wiring Installation Contractors, FY2023
Creator: GovTribe

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

The top 10 won 36% of FY2023 NAICS 23821 contract dollars

Contract obligations: $945,258,306 Net of deobligations, by contracts coded NAICS 23821 or a code under it
Contractors: 1,422 Parent companies with an obligation
Largest contractor: Xator LLC $88.2 million, 8.7% 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	Xator LLC Top agencies DOS (Department of State)	$88,174,457	8.7%	Rank history: #2 in FY2021, #1 in FY2022, #6 in FY2024 and not on the FY2025 list; unchanged since FY2022.
2	Wells Global, LLC Top agencies DOT (Department of Transportation)	$59,814,046	5.9%	Rank history: #4 in FY2021, #3 in FY2022, #4 in FY2024 and #3 in FY2025; up 1 since FY2022.
3	WSP USA Solutions Inc. Top agencies Army (Department of the Army)	$49,439,479	4.9%	Rank history: #3 in FY2021, #2 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
4	M.c. Dean, Inc. Top agencies Army (Department of the Army) DOT (Department of Transportation) WHS (DOD Washington Headquarters Service)	$37,654,293	3.7%	Rank history: #1 in FY2021, #5 in FY2022, #20 in FY2024 and #6 in FY2025; up 1 since FY2022.
5	Cusa Consulting LLC Top agencies DOT (Department of Transportation)	$29,813,953	3.0%	Rank history: #7 in FY2021, #10 in FY2022, #3 in FY2024 and #16 in FY2025; up 5 since FY2022.
6	Mcmillen LLC Top agencies Army (Department of the Army)	$20,943,000	2.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
7	Miquin, L.L.C. Top agencies Navy (Department of the Navy)	$20,316,446	2.0%	Rank history: not on the FY2021 list, #8 in FY2022, #84 in FY2024 and not on the FY2025 list; up 1 since FY2022.
8	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	2.0%	Rank history: #99 in FY2021, #11 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
9	Gustav Keoni Top agencies DOJ (Department of Justice)	$17,363,248	1.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
10	Aed, Inc. Through AED Stratecon, LLC Top agencies DOS (Department of State)	$17,043,527	1.7%	Rank history: not on the FY2021–FY2022 lists, #2 in FY2024 and #85 in FY2025; up 121 since FY2022.
11	Chickasaw Strategic Pointe, LLC Top agencies DOT (Department of Transportation)	$11,692,020	1.2%	Rank history: not on the FY2021 list, #15 in FY2022, #25 in FY2024 and #38 in FY2025; up 4 since FY2022.
12	Miwok Construction LLC Top agencies USAF (Department of the Air Force)	$10,633,162	1.1%	Rank history: not on the FY2021 list, #21 in FY2022, #5 in FY2024 and #9 in FY2025; up 9 since FY2022.
13	Davenport Electric Contract Company Top agencies Army (Department of the Army)	$10,070,662	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
14	Sentinel Power Services, LLC Top agencies DOT (Department of Transportation)	$9,772,113	1.0%	Rank history: #13 in FY2021, #6 in FY2022, #9 in FY2024 and #8 in FY2025; down 8 since FY2022.
15	C.n.s. Communications, LLC Top agencies DOT (Department of Transportation)	$8,933,019	0.9%	Rank history: #76 in FY2021, #14 in FY2022, #19 in FY2024 and #49 in FY2025; down 1 since FY2022.
16	American Engineering Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$8,689,123	0.9%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 217 since FY2022.
17	Western Cape Rubicon Electrical (Pty) Ltd Top agencies DOS (Department of State)	$7,853,015	0.8%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
18	Urban Electric, Inc. Top agencies DOT (Department of Transportation)	$7,771,160	0.8%	Rank history: #93 in FY2021, #16 in FY2022, #31 in FY2024 and #52 in FY2025; down 2 since FY2022.
19	B & D Electric, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$7,735,819	0.8%	Rank history: #28 in FY2021, #70 in FY2022, #17 in FY2024 and #17 in FY2025; up 51 since FY2022.
20	D7, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$7,672,310	0.8%	Rank history: #60 in FY2021, #59 in FY2022 and not on the FY2024–FY2025 lists; up 39 since FY2022.
21	Spectrum Electrical Services, Inc. Top agencies DOS (Department of State)	$7,504,641	0.7%	Rank history: #8 in FY2021, #32 in FY2022, #43 in FY2024 and not on the FY2025 list; up 11 since FY2022.
22	The Construction Services Group Inc. Top agencies VA (Department of Veterans Affairs)	$7,219,378	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
23	Versar Inc. 2 awardees Top agencies Army (Department of the Army)	$7,134,936	0.7%	Rank history: not on the FY2021 list, #20 in FY2022, #30 in FY2024 and not on the FY2025 list; down 3 since FY2022.
24	JC Driskill Inc. Top agencies Navy (Department of the Navy)	$7,011,458	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	Cherokee Nation Mechanical LLC Top agencies Commerce (Department of Commerce)	$6,869,897	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
26	Southern Building Co LLC Top agencies VA (Department of Veterans Affairs)	$6,811,128	0.7%	Rank history: not on the FY2021 list, #66 in FY2022 and not on the FY2024–FY2025 lists; up 40 since FY2022.
27	Barry Williams Electric Inc. Top agencies DOT (Department of Transportation)	$6,713,418	0.7%	Rank history: not on the FY2021 list, #40 in FY2022, not on the FY2024 list and #84 in FY2025; up 13 since FY2022.
28	Jbw- Ames 1 LLC Top agencies Army (Department of the Army)	$6,576,788	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
29	Copper Current Inc. Top agencies Army (Department of the Army) MDA (DOD Missile Defense Agency)	$6,318,637	0.6%	Rank history: not on the FY2021 list, #38 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
30	Blue Yonder Inc. Top agencies VA (Department of Veterans Affairs)	$6,082,223	0.6%	Rank history: not on the FY2021 list, #51 in FY2022 and not on the FY2024–FY2025 lists; up 21 since FY2022.
31	KIK Technologies LLC Top agencies DOT (Department of Transportation)	$5,858,178	0.6%	Rank history: #17 in FY2021, #63 in FY2022, #21 in FY2024 and #20 in FY2025; up 32 since FY2022.
32	R.T Contractor Corp. Top agencies DOJ (Department of Justice)	$5,785,413	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
33	Cavu-Roncelli Construction Jv-10 LLC Top agencies VA (Department of Veterans Affairs)	$5,675,000	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Yearout Service LLC Through Varcomac LLC Top agencies DLA (Defense Logistics Agency)	$5,575,988	0.6%	Rank history: not on the FY2021 list, #42 in FY2022, #57 in FY2024 and not on the FY2025 list; up 8 since FY2022.
35	Commercial Facilities Management Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice)	$5,160,361	0.5%	Rank history: #96 in FY2021, #55 in FY2022, #32 in FY2024 and not on the FY2025 list; up 20 since FY2022.
36	Quad J Inc. Top agencies DOT (Department of Transportation)	$5,037,733	0.5%	Rank history: #38 in FY2021, #19 in FY2022, #8 in FY2024 and #27 in FY2025; down 17 since FY2022.
37	Kopacz Boyer Design Build Services LLC Top agencies USAF (Department of the Air Force) GSA (General Services Administration)	$4,959,031	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 252 since FY2022.
38	The Biando Group LLC Top agencies GSA (General Services Administration)	$4,953,972	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
39	Amentum Services, Inc. Top agencies DOS (Department of State)	$4,900,997	0.5%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2024 and not on the FY2025 list; new.
40	Pick Electric Inc. Top agencies Army (Department of the Army)	$4,893,409	0.5%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2024 and not on the FY2025 list; new.
41	Progressive Construction Services LLC 2 awardees Top agencies VA (Department of Veterans Affairs)	$4,599,586	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
42	EC Company Top agencies Army (Department of the Army)	$4,509,141	0.4%	Rank history: not on the FY2021 list, #13 in FY2022 and not on the FY2024–FY2025 lists; down 29 since FY2022.
43	AES Electrical, LLC Top agencies National Gallery of Art	$4,498,378	0.4%	Rank history: not on the FY2021 list, #60 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
44	Red Point Construction LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$4,472,931	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
45	Axe Engineering Inc. Top agencies USAF (Department of the Air Force)	$4,398,759	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	Spark Electric LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$4,348,488	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 242 since FY2022.
47	Sun Construction Services Inc. Top agencies USAF (Department of the Air Force)	$4,313,195	0.4%	Rank history: #26 in FY2021, #81 in FY2022, #59 in FY2024 and #71 in FY2025; up 34 since FY2022.
48	Acts Meltech JV2 LLC Top agencies Navy (Department of the Navy)	$4,274,346	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
49	Coactint LLC Top agencies VA (Department of Veterans Affairs)	$4,230,684	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	JV SKE Italy 2012 Top agencies USAF (Department of the Air Force)	$4,185,256	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	Planate-Argo Federal Services Joint Venture LLC Top agencies Navy (Department of the Navy)	$4,089,477	0.4%	Rank history: #31 in FY2021, #17 in FY2022, #29 in FY2024 and not on the FY2025 list; down 34 since FY2022.
52	DMT Electric LLC Top agencies Navy (Department of the Navy)	$3,911,730	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 307 since FY2022.
53	Scr, Inc. Top agencies Army (Department of the Army)	$3,892,064	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
54	Innovative Support Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$3,890,131	0.4%	Rank history: #5 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 311 since FY2022.
55	DFW Cad Services LLC Top agencies DOJ (Department of Justice)	$3,852,013	0.4%	Rank history: #94 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
56	Midwest Electrical Construction Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) DOJ (Department of Justice)	$3,804,229	0.4%	Rank history: #27 in FY2021, #67 in FY2022, #16 in FY2024 and #54 in FY2025; up 11 since FY2022.
57	TDX Power Services LLC Through TDX Global Solutions, LLC Top agencies Army (Department of the Army)	$3,789,046	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
58	W E S T Development, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$3,533,922	0.4%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2024 and #75 in FY2025; up 55 since FY2022.
59	American Alarm Co., Inc. Top agencies DOJ (Department of Justice)	$3,492,957	0.3%	Rank history: not on the FY2021 list, #100 in FY2022 and not on the FY2024–FY2025 lists; up 41 since FY2022.
60	Handuk Iron-Mine & Construction Co. Ltd Top agencies Army (Department of the Army)	$3,469,101	0.3%	Rank history: #20 in FY2021, #22 in FY2022 and not on the FY2024–FY2025 lists; down 38 since FY2022.
61	JXR Constructors Inc Top agencies VA (Department of Veterans Affairs)	$3,376,000	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
62	Santiago Roberto Top agencies Navy (Department of the Navy) Army (Department of the Army) AOUSC (Administrative Office of the U.S. Courts)	$3,164,781	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 155 since FY2022.
63	Ready Services, LLC Top agencies USAF (Department of the Air Force) DOT (Department of Transportation)	$3,131,924	0.3%	Rank history: #90 in FY2021, #58 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
64	Lira Electric LLC Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$3,062,197	0.3%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2024 and not on the FY2025 list; new.
65	Louis Berger U.S. Inc. Through Louis Berger Power, LLC Top agencies Army (Department of the Army)	$2,893,436	0.3%	Rank history: #9 in FY2021, #27 in FY2022 and not on the FY2024–FY2025 lists; down 38 since FY2022.
66	Puyenpa Services, LLC Top agencies HHS (Department of Health and Human Services)	$2,876,125	0.3%	Rank history: #46 in FY2021, #71 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
67	Mickan Generalbaugesellschaft Amberg MBH & Co. KG Top agencies Army (Department of the Army)	$2,795,171	0.3%	Rank history: #83 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 126 since FY2022.
68	B2 Constructors LLC Top agencies VA (Department of Veterans Affairs)	$2,660,044	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Frye Mechanical Inc. Top agencies USAF (Department of the Air Force)	$2,554,159	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	MYR Group Inc. Through Sturgeon Electric Company, Inc. Top agencies GSA (General Services Administration)	$2,503,384	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 83 since FY2022.
71	3Links Technologies, Inc. Top agencies SSA (Social Security Administration)	$2,406,063	0.2%	Rank history: #47 in FY2021, #76 in FY2022, #74 in FY2024 and #51 in FY2025; up 5 since FY2022.
72	Mac Gc-Electric, Inc. Top agencies Navy (Department of the Navy)	$2,365,574	0.2%	Rank history: #57 in FY2021, #96 in FY2022, not on the FY2024 list and #68 in FY2025; up 24 since FY2022.
73	JM Construction Services Inc. Top agencies USAF (Department of the Air Force)	$2,350,161	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	Cardinal Marine Group Inc. Top agencies Army (Department of the Army)	$2,297,314	0.2%	Rank history: #32 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
75	Sussex Rural Electric Cooperative Top agencies Army (Department of the Army)	$2,228,126	0.2%	Rank history: #82 in FY2021, not on the FY2022 list, #44 in FY2024 and #77 in FY2025; up 32 since FY2022.
76	Diversified Maintenance Systems, Inc. Top agencies Navy (Department of the Navy)	$2,224,371	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 45 since FY2022.
77	Drew Investment Group, LLC Top agencies Army (Department of the Army) DFAS (Defense Finance and Accounting Service)	$2,217,870	0.2%	Rank history: not on the FY2021 list, #52 in FY2022 and not on the FY2024–FY2025 lists; down 25 since FY2022.
78	Veterans Electric LLC Top agencies VA (Department of Veterans Affairs)	$2,211,898	0.2%	Rank history: not on the FY2021 list, #44 in FY2022 and not on the FY2024–FY2025 lists; down 34 since FY2022.
79	Suh'dutsing-Pilkington Construction JV, LLC Top agencies Navy (Department of the Navy)	$2,203,642	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
80	Qcm, Inc. Top agencies Commerce (Department of Commerce) Army (Department of the Army)	$2,150,131	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 253 since FY2022.
81	Tanadgusix Corporation Through TDX Global Solutions, LLC Top agencies Army (Department of the Army)	$2,134,995	0.2%	Rank history: #18 in FY2021, #24 in FY2022 and not on the FY2024–FY2025 lists; down 57 since FY2022.
82	MDU Resources Group, Inc. 2 awardees, including OEG Inc. and E.s.i., Inc. Top agencies DOS (Department of State) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$2,097,146	0.2%	Rank history: #100 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 22 since FY2022.
83	BBA Construction LLC Top agencies DOJ (Department of Justice) USDA (Department of Agriculture) DOI (Department of the Interior)	$2,084,323	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #96 in FY2025; new.
84	Colorado Standby LLC Top agencies DOS (Department of State)	$2,073,547	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
85	Lacreek Development Corp Top agencies DOI (Department of the Interior)	$2,062,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Reliable Monitoring Services Top agencies USDA (Department of Agriculture)	$2,046,951	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
87	Total Services LLC Top agencies GSA (General Services Administration)	$2,010,721	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
88	Matai Services, LLC Top agencies DOT (Department of Transportation)	$2,003,380	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 233 since FY2022.
89	Cccs International LLC Top agencies USAF (Department of the Air Force)	$1,979,549	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	Siemens Aktiengesellschaft 4 awardees, including Siemens Industry Inc., Siemens Energy Inc. and Yunex GMBH Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) DOE (Department of Energy)	$1,903,450	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 12 since FY2022.
91	Koman Integrated Solutions, LLC Top agencies Army (Department of the Army)	$1,869,065	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	The Povolny Group Inc. Top agencies VA (Department of Veterans Affairs)	$1,850,418	0.2%	Rank history: #15 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
93	Delta Run Security JV2 LLC Top agencies DHS (Department of Homeland Security)	$1,843,496	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Contego Environmental LLC Top agencies VA (Department of Veterans Affairs)	$1,743,852	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 35 since FY2022.
95	Global Access Supply Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,739,488	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 314 since FY2022.
96	Kunert Electric LLC Top agencies VA (Department of Veterans Affairs)	$1,733,520	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Baron Communications Incorporated Top agencies Navy (Department of the Navy)	$1,732,416	0.2%	Rank history: not on the FY2021 list, #68 in FY2022 and not on the FY2024–FY2025 lists; down 29 since FY2022.
98	Veyka Insaat Mimarlik Muhendislik Sanayi IC VE Dis Ticaret Anonim Sirketi Top agencies DOS (Department of State)	$1,722,683	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Remedy Technological Services, LP Top agencies Army (Department of the Army)	$1,707,521	0.2%	Rank history: #80 in FY2021, #89 in FY2022, #89 in FY2024 and #73 in FY2025; down 10 since FY2022.
100	Damuth Services Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,685,490	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 16 since FY2022.

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100 of 1,422 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 23821

Code	Net obligations	Largest contractor
238210 Electrical Contractors and Other Wiring Installation Contractors	$945,258,306	Xator LLC

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 $1.01 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 23821 contractors in FY2023?

1. Xator LLC ($88.2M), 2. Wells Global, LLC ($59.8M), 3. WSP USA Solutions Inc. ($49.4M), 4. M.c. Dean, Inc. ($37.7M), 5. Cusa Consulting LLC ($29.8M), 6. Mcmillen LLC ($20.9M), 7. Miquin, L.L.C. ($20.3M), 8. Ricardo Perez S.a. ($20.1M), 9. Gustav Keoni ($17.4M), 10. Aed, Inc. ($17M).

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