Top 100 Contractors in NAICS 561990: All Other Support Services, FY2025

Name: Top 100 Contractors in NAICS 561990: All Other Support Services, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 72% of FY2025 NAICS 561990 contract dollars

Contract obligations: $1,709,682,555 Net of deobligations, by contracts coded NAICS 561990
Contractors: 721 Parent companies with an obligation
Largest contractor: Lockheed Martin Corporation $804 million, 38.7% 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	Lockheed Martin Corporation 4 awardees Top agencies USSOCOM (United States Special Operations Command) USAF (Department of the Air Force) Army (Department of the Army)	$803,858,567	38.7%	Rank history: #1 in FY2021, #1 in FY2022, #2 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	V2X, Inc. Through Vertex Modernization and Sustainment LLC Top agencies USAF (Department of the Air Force)	$278,656,158	13.4%	Rank history: not on the FY2021–FY2024 lists; new.
3	General Dynamics Corporation 2 awardees, including General Dynamics Information Technology, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$135,511,513	6.5%	Rank history: #2 in FY2021, #2 in FY2022, #3 in FY2023 and #3 in FY2024; unchanged since FY2024.
4	Atkins Nuclear Secured Holdings Corporation Through Isotek Systems, LLC Top agencies DOE (Department of Energy)	$54,068,923	2.6%	Rank history: #4 in FY2021, #4 in FY2022, #6 in FY2023 and #5 in FY2024; up 1 since FY2024.
5	CGI Federal Inc. Top agencies DOS (Department of State)	$49,737,032	2.4%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; down 1 since FY2024.
6	Trace Inc. Top agencies DECA (Defense Commissary Agency)	$39,750,543	1.9%	Rank history: #12 in FY2021, #9 in FY2022, #9 in FY2023 and #6 in FY2024; unchanged since FY2024.
7	Arcus Group, LLC Top agencies DHS (Department of Homeland Security)	$37,891,045	1.8%	Rank history: #37 in FY2021, #40 in FY2022, #15 in FY2023 and #8 in FY2024; up 1 since FY2024.
8	Chenega Global Protection, LLC Top agencies NASA (National Aeronautics and Space Administration)	$37,417,344	1.8%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2024; down 1 since FY2024.
9	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies USAF (Department of the Air Force)	$29,495,345	1.4%	Rank history: #10 in FY2021, #3 in FY2022, #5 in FY2023 and #10 in FY2024; up 1 since FY2024.
10	Sierra Nevada Company, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$29,245,766	1.4%	Rank history: not on the FY2021 list, #6 in FY2022, #7 in FY2023 and #9 in FY2024; down 1 since FY2024.
11	Lamain Industries LLC Top agencies DECA (Defense Commissary Agency)	$21,807,740	1.1%	Rank history: #22 in FY2021, #23 in FY2022, #12 in FY2023 and #11 in FY2024; unchanged since FY2024.
12	CW Resources, Inc. Top agencies DECA (Defense Commissary Agency)	$21,116,737	1.0%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2024; up 3 since FY2024.
13	Pride Industries Top agencies DECA (Defense Commissary Agency)	$14,691,305	0.7%	Rank history: #14 in FY2021, #15 in FY2022, #10 in FY2023 and #16 in FY2024; up 3 since FY2024.
14	Communication Methods, LLC Top agencies DECA (Defense Commissary Agency)	$14,118,920	0.7%	Rank history: #28 in FY2021, #14 in FY2022, #20 in FY2023 and #18 in FY2024; up 4 since FY2024.
15	Chenega Security California Corporation Top agencies USAF (Department of the Air Force)	$12,044,290	0.6%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2024; up 4 since FY2024.
16	Servtech Top agencies DECA (Defense Commissary Agency)	$11,037,796	0.5%	Rank history: #56 in FY2021, #35 in FY2022, #36 in FY2023 and #24 in FY2024; up 8 since FY2024.
17	Ponderful, LLC Top agencies DECA (Defense Commissary Agency)	$10,466,062	0.5%	Rank history: not on the FY2021 list, #63 in FY2022, #48 in FY2023 and #31 in FY2024; up 14 since FY2024.
18	Job Options, Incorporated Top agencies DECA (Defense Commissary Agency)	$10,139,395	0.5%	Rank history: #17 in FY2021, #17 in FY2022, #13 in FY2023 and #21 in FY2024; up 3 since FY2024.
19	Pacarctic, LLC Top agencies DOJ (Department of Justice)	$10,005,611	0.5%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; up 1 since FY2024.
20	L L Brooks Enterprises Inc. Top agencies DECA (Defense Commissary Agency)	$9,695,047	0.5%	Rank history: #34 in FY2021, #47 in FY2022, #23 in FY2023 and #25 in FY2024; up 5 since FY2024.
21	W. Harris, Government Services Contractor, Inc. Top agencies DECA (Defense Commissary Agency)	$8,860,133	0.4%	Rank history: #49 in FY2021, #19 in FY2022, #28 in FY2023 and #30 in FY2024; up 9 since FY2024.
22	Alares LLC Top agencies VA (Department of Veterans Affairs)	$8,465,447	0.4%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2024; up 4 since FY2024.
23	C.j. Mahan Construction Company, LLC Top agencies Army (Department of the Army)	$7,983,000	0.4%	Rank history: not on the FY2021 list, #18 in FY2022, #26 in FY2023 and #32 in FY2024; up 9 since FY2024.
24	Brevard Achievement Center, Inc. Top agencies DECA (Defense Commissary Agency)	$6,653,027	0.3%	Rank history: #25 in FY2021, #31 in FY2022, #27 in FY2023 and #37 in FY2024; up 13 since FY2024.
25	Echelon Services, LLC Top agencies DCSA (Defense Counterintelligence and Security Agency)	$6,249,224	0.3%	Rank history: not on the FY2021 list, #32 in FY2022, #21 in FY2023 and #29 in FY2024; up 4 since FY2024.
26	Dunlap Government Solutions, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$5,983,088	0.3%	Rank history: not on the FY2021 list, #29 in FY2022, #35 in FY2023 and #38 in FY2024; up 12 since FY2024.
27	Casillas LLC Top agencies DECA (Defense Commissary Agency)	$5,868,377	0.3%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023 and #42 in FY2024; up 15 since FY2024.
28	Galapagos Federal Systems LLC Top agencies USAF (Department of the Air Force)	$5,840,828	0.3%	Rank history: #42 in FY2021, #42 in FY2022, #30 in FY2023 and #22 in FY2024; down 6 since FY2024.
29	General Electric Company Top agencies Army (Department of the Army)	$5,779,933	0.3%	Rank history: #39 in FY2021, #33 in FY2022, #42 in FY2023 and #41 in FY2024; up 12 since FY2024.
30	Sourceamerica Top agencies Treasury (Department of the Treasury)	$5,399,136	0.3%	Rank history: not on the FY2021 list, #26 in FY2022, #51 in FY2023 and #39 in FY2024; up 9 since FY2024.
31	Cgh-Global Emergency Management Strategies LLC Top agencies USAF (Department of the Air Force)	$5,333,817	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
32	Challenge Unlimited, Inc. Top agencies DECA (Defense Commissary Agency)	$5,250,764	0.3%	Rank history: #53 in FY2021, #60 in FY2022, #55 in FY2023 and #55 in FY2024; up 23 since FY2024.
33	ABT Global LLC Top agencies USAID (US Agency for International Development)	$5,063,371	0.2%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2024; up 7 since FY2024.
34	Industries for the Blind and Visually Impaired, Inc. Top agencies Navy (Department of the Navy)	$4,910,389	0.2%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2023 and #17 in FY2024; down 17 since FY2024.
35	Mcclellan Business Park LLC Top agencies DHS (Department of Homeland Security)	$4,700,768	0.2%	Rank history: not on the FY2021 list, #22 in FY2022, #34 in FY2023 and #36 in FY2024; up 1 since FY2024.
36	Good Vocations, Inc. Top agencies DECA (Defense Commissary Agency)	$4,254,928	0.2%	Rank history: #70 in FY2021, #69 in FY2022, #49 in FY2023 and #51 in FY2024; up 15 since FY2024.
37	Goodwill Industries of Central Alabama, Inc. Top agencies DECA (Defense Commissary Agency)	$3,999,106	0.2%	Rank history: #44 in FY2021, #44 in FY2022, #54 in FY2023 and #44 in FY2024; up 7 since FY2024.
38	Advanced Integrated Technologies, LLC Top agencies Navy (Department of the Navy)	$3,632,721	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
39	The Right 2 Work Corporation Top agencies DECA (Defense Commissary Agency)	$3,557,881	0.2%	Rank history: #48 in FY2021, #58 in FY2022, #71 in FY2023 and #48 in FY2024; up 9 since FY2024.
40	Didlake Inc. Top agencies HHS (Department of Health and Human Services) DECA (Defense Commissary Agency) Treasury (Department of the Treasury)	$3,546,705	0.2%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 3 since FY2024.
41	Logistical Customer Service, Inc. Top agencies DECA (Defense Commissary Agency)	$3,353,387	0.2%	Rank history: #63 in FY2021, not on the FY2022 list, #82 in FY2023 and #46 in FY2024; up 5 since FY2024.
42	The Boeing Company Through Jeppesen Foreflight, Inc. Top agencies Navy (Department of the Navy)	$3,239,026	0.2%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2024; up 3 since FY2024.
43	Terrestris, LLC Top agencies DECA (Defense Commissary Agency) Army (Department of the Army) Navy (Department of the Navy)	$3,214,062	0.2%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2024; up 11 since FY2024.
44	Network Enterprises Inc. Top agencies DECA (Defense Commissary Agency)	$3,083,364	0.1%	Rank history: #73 in FY2021, not on the FY2022–FY2023 lists and #75 in FY2024; up 31 since FY2024.
45	Cfol International Inc. Top agencies VA (Department of Veterans Affairs)	$3,029,570	0.1%	Rank history: #71 in FY2021, #54 in FY2022, not on the FY2023 list and #66 in FY2024; up 21 since FY2024.
46	Consolidated Support Services, Inc. Top agencies DECA (Defense Commissary Agency)	$2,809,843	0.1%	Rank history: #41 in FY2021, #76 in FY2022, #63 in FY2023 and #88 in FY2024; up 42 since FY2024.
47	Aspire Therapy Services and Consultants, Inc. Top agencies DECA (Defense Commissary Agency)	$2,737,285	0.1%	Rank history: #36 in FY2021, #62 in FY2022, #37 in FY2023 and #57 in FY2024; up 10 since FY2024.
48	Global Force USA Inc. Top agencies USDA (Department of Agriculture)	$2,671,453	0.1%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2024; up 13 since FY2024.
49	P&G Memorials LLC Top agencies VA (Department of Veterans Affairs)	$2,633,211	0.1%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2023 and #59 in FY2024; up 10 since FY2024.
50	Claene Group LLC Top agencies Army (Department of the Army)	$2,548,344	0.1%	Rank history: not on the FY2021 list, #43 in FY2022, #50 in FY2023 and #60 in FY2024; up 10 since FY2024.
51	The Hiller Companies LLC Top agencies Navy (Department of the Navy)	$2,304,435	0.1%	Rank history: not on the FY2021–FY2023 lists and #85 in FY2024; up 34 since FY2024.
52	Eagle Star Industries LLC Top agencies DECA (Defense Commissary Agency)	$2,301,885	0.1%	Rank history: not on the FY2021–FY2024 lists; up 67 since FY2024.
53	Dependable on-Site Scan & Shred Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) SSA (Social Security Administration)	$2,295,603	0.1%	Rank history: #75 in FY2021, #56 in FY2022, #47 in FY2023 and #56 in FY2024; up 3 since FY2024.
54	Checkmate Global, LLC Top agencies DHS (Department of Homeland Security)	$2,280,478	0.1%	Rank history: #13 in FY2021, not on the FY2022 list, #79 in FY2023 and #12 in FY2024; down 42 since FY2024.
55	Great Plains Enterprises Inc. Top agencies DECA (Defense Commissary Agency)	$2,270,602	0.1%	Rank history: #35 in FY2021, #78 in FY2022, #29 in FY2023 and #73 in FY2024; up 18 since FY2024.
56	RG Talent Solutions, LLC Top agencies VA (Department of Veterans Affairs)	$2,230,757	0.1%	Rank history: not on the FY2021–FY2023 lists and #67 in FY2024; up 11 since FY2024.
57	Downtown Business Improvement District Corp Top agencies GSA (General Services Administration)	$2,180,807	0.1%	Rank history: #52 in FY2021, #36 in FY2022, #53 in FY2023 and #65 in FY2024; up 8 since FY2024.
58	Two Seventy Group LLC Top agencies DECA (Defense Commissary Agency)	$2,166,216	0.1%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2024; up 6 since FY2024.
59	Cubic Defense Applications Inc. Top agencies USAF (Department of the Air Force)	$2,144,379	0.1%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2024; up 3 since FY2024.
60	Millennium Health & Fitness, Inc. Top agencies DHRA (Defense Human Resources Activity)	$2,084,428	0.1%	Rank history: #65 in FY2021, #57 in FY2022, #57 in FY2023 and #72 in FY2024; up 12 since FY2024.
61	OSC Edgetech, LLC Top agencies DHS (Department of Homeland Security)	$2,072,120	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
62	Nysarc, Inc. Top agencies Army (Department of the Army)	$2,012,233	0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 20 since FY2024.
63	Goodwill Easter Seals Miami Valley Top agencies DECA (Defense Commissary Agency)	$1,960,303	0.1%	Rank history: #80 in FY2021, #68 in FY2022, not on the FY2023 list and #83 in FY2024; up 20 since FY2024.
64	STS Government Solutions, LLC Top agencies USAF (Department of the Air Force)	$1,943,272	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and #63 in FY2024; down 1 since FY2024.
65	Servicesource Inc. Top agencies VA (Department of Veterans Affairs) NARA (National Archives and Records Administration)	$1,836,444	0.1%	Rank history: not on the FY2021–FY2024 lists; up 58 since FY2024.
66	Pinter Memorials Inc. Top agencies VA (Department of Veterans Affairs)	$1,824,256	0.1%	Rank history: not on the FY2021 list, #79 in FY2022, #68 in FY2023 and not on the FY2024 list; returned.
67	Challenge Enterprises of North Florida, Inc. Top agencies DECA (Defense Commissary Agency)	$1,783,632	0.1%	Rank history: #47 in FY2021, not on the FY2022 list, #44 in FY2023 and #49 in FY2024; down 18 since FY2024.
68	Dak Professional Services, LLC Top agencies DECA (Defense Commissary Agency)	$1,779,129	0.1%	Rank history: #30 in FY2021, #39 in FY2022, #22 in FY2023 and #35 in FY2024; down 33 since FY2024.
69	Coastal Enterprises of Jacksonville Inc. Top agencies DECA (Defense Commissary Agency)	$1,774,985	0.1%	Rank history: #94 in FY2021, not on the FY2022 list, #69 in FY2023 and #79 in FY2024; up 10 since FY2024.
70	Plurax LLC Top agencies DECA (Defense Commissary Agency)	$1,734,113	0.1%	Rank history: not on the FY2021 list, #99 in FY2022, #98 in FY2023 and #93 in FY2024; up 23 since FY2024.
71	Assets Inc. Top agencies DECA (Defense Commissary Agency)	$1,731,309	0.1%	Rank history: #68 in FY2021, #51 in FY2022, #75 in FY2023 and #80 in FY2024; up 9 since FY2024.
72	Black Hills Works Inc. Top agencies DECA (Defense Commissary Agency)	$1,716,073	0.1%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2023 and #77 in FY2024; up 5 since FY2024.
73	Archway Solutions Limited Liability Company Top agencies Army (Department of the Army)	$1,699,071	0.1%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2023 and not on the FY2024 list; up 34 since FY2024.
74	Vanjoh Graphics, L.L.C. Top agencies Army (Department of the Army)	$1,660,074	0.1%	Rank history: not on the FY2021–FY2023 lists and #81 in FY2024; up 7 since FY2024.
75	Beacon Top agencies DECA (Defense Commissary Agency)	$1,620,490	0.1%	Rank history: not on the FY2021 list, #84 in FY2022, #88 in FY2023 and not on the FY2024 list; up 49 since FY2024.
76	Gulf Coast Wilbert Inc. Top agencies VA (Department of Veterans Affairs)	$1,600,740	0.1%	Rank history: not on the FY2021 list, #70 in FY2022, #64 in FY2023 and #78 in FY2024; up 2 since FY2024.
77	D7, LLC Top agencies DOJ (Department of Justice)	$1,578,866	0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; up 9 since FY2024.
78	Harp Services LLC Top agencies VA (Department of Veterans Affairs)	$1,498,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Southwest Business Improvement District Top agencies GSA (General Services Administration)	$1,393,679	0.1%	Rank history: not on the FY2021 list, #89 in FY2022, #77 in FY2023 and #87 in FY2024; up 8 since FY2024.
80	Inmar Clearing, Inc. Top agencies DECA (Defense Commissary Agency)	$1,329,250	0.1%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2024; down 11 since FY2024.
81	Perkins & Associates LLC Top agencies DECA (Defense Commissary Agency)	$1,319,658	0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and #99 in FY2024; up 18 since FY2024.
82	Keybridge Technologies, LLC Top agencies DOT (Department of Transportation)	$1,310,545	0.1%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; up 7 since FY2024.
83	Retail Services Wis Corporation Top agencies DECA (Defense Commissary Agency)	$1,251,820	0.1%	Rank history: not on the FY2021–FY2024 lists; up 178 since FY2024.
84	Goodwill Industries International, Inc. Through Goodwill Industries of Southern California Top agencies DECA (Defense Commissary Agency)	$1,240,931	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
85	County Services Inc. Top agencies USDA (Department of Agriculture)	$1,239,960	0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2023 and #91 in FY2024; up 6 since FY2024.
86	New Horizons Rehabilitation Services, Inc. Top agencies DECA (Defense Commissary Agency)	$1,218,704	0.1%	Rank history: not on the FY2021–FY2024 lists; up 16 since FY2024.
87	Truss Crane Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DHS (Department of Homeland Security)	$1,171,780	0.1%	Rank history: not on the FY2021–FY2024 lists; up 23 since FY2024.
88	Goldbelt Apex, LLC Top agencies Army (Department of the Army)	$1,166,910	0.1%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and #74 in FY2024; down 14 since FY2024.
89	Montech Inc. Top agencies DOE (Department of Energy)	$1,159,875	0.1%	Rank history: not on the FY2021–FY2024 lists; up 22 since FY2024.
90	North American Manufacturing Pros LLC Top agencies NASA (National Aeronautics and Space Administration)	$1,159,120	0.1%	Rank history: not on the FY2021–FY2024 lists; up 22 since FY2024.
91	Griffin Resources LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) DCSA (Defense Counterintelligence and Security Agency)	$1,153,506	0.1%	Rank history: not on the FY2021–FY2024 lists; up 12 since FY2024.
92	Stericycle Inc 3 awardees Top agencies VA (Department of Veterans Affairs) SSA (Social Security Administration) DOJ (Department of Justice)	$1,121,135	0.1%	Rank history: not on the FY2021–FY2024 lists; up 152 since FY2024.
93	Spaark Inc Top agencies HUD (Department of Housing and Urban Development) USAF (Department of the Air Force)	$1,032,591	<0.1%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; down 40 since FY2024.
94	Narongsak Marican & Son Limited Partnership Top agencies Army (Department of the Army)	$1,021,594	<0.1%	Rank history: not on the FY2021 list, #75 in FY2022, #76 in FY2023 and not on the FY2024 list; up 55 since FY2024.
95	New Leaf, Inc. Top agencies DECA (Defense Commissary Agency)	$1,009,365	<0.1%	Rank history: #60 in FY2021, #85 in FY2022, #90 in FY2023 and not on the FY2024 list; up 108 since FY2024.
96	David C. Smith & Son, Inc. Top agencies HHS (Department of Health and Human Services)	$1,000,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 48 since FY2024.
97	Macrosys, LLC Top agencies DOT (Department of Transportation)	$953,900	<0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #70 in FY2023 and #68 in FY2024; down 29 since FY2024.
98	Alexton Incorporated Top agencies DOE (Department of Energy)	$946,536	<0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; down 2 since FY2024.
99	Agas US Inc. Top agencies DLA (Defense Logistics Agency)	$926,223	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 27 since FY2024.
100	Enmrsh Inc. Top agencies DECA (Defense Commissary Agency)	$911,939	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 79 since FY2024.

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100 of 721 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 $2.08 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 561990 contractors in FY2025?

1. Lockheed Martin Corporation ($804M), 2. V2X, Inc. ($279M), 3. General Dynamics Corporation ($136M), 4. Atkins Nuclear Secured Holdings Corporation ($54.1M), 5. CGI Federal Inc. ($49.7M), 6. Trace Inc. ($39.8M), 7. Arcus Group, LLC ($37.9M), 8. Chenega Global Protection, LLC ($37.4M), 9. Booz Allen Hamilton Holding Corporation ($29.5M), 10. Sierra Nevada Company, LLC ($29.2M).

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