Top 100 Contractors in PSC R423: Intelligence Services, FY2024

Name: Top 100 Contractors in PSC R423: Intelligence Services, FY2024
Creator: GovTribe

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

The top 10 won 48% of FY2024 PSC R423 contract dollars

Contract obligations: $433,216,667 Net of deobligations, by contracts coded PSC R423
Contractors: 118 Parent companies with an obligation
Largest contractor: Altamira Technologies Corporation $32.3 million, 7.2% 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	Altamira Technologies Corporation 2 awardees Top agencies USAF (Department of the Air Force)	$32,336,883	7.2%	Rank history: #4 in FY2021, #2 in FY2022, #1 in FY2023 and not on the FY2025 list; unchanged since FY2023.
2	Radiance Technologies, Inc. 2 awardees Top agencies USAF (Department of the Air Force) MDA (DOD Missile Defense Agency) Army (Department of the Army)	$32,188,835	7.2%	Rank history: #9 in FY2021, #5 in FY2022, #3 in FY2023 and #3 in FY2025; up 1 since FY2023.
3	Fgs, LLC Top agencies Navy (Department of the Navy)	$25,096,362	5.6%	Rank history: not on the FY2021 list, #4 in FY2022, #5 in FY2023 and #14 in FY2025; up 2 since FY2023.
4	Actionable Solutions Group, LLC Top agencies USSOCOM (United States Special Operations Command)	$23,355,280	5.2%	Rank history: #2 in FY2021, #1 in FY2022, #2 in FY2023 and #11 in FY2025; down 2 since FY2023.
5	CACI International Inc. 2 awardees, including Caci, Inc. - Federal Top agencies USSOCOM (United States Special Operations Command)	$21,371,919	4.8%	Rank history: #1 in FY2021, #3 in FY2022, #4 in FY2023 and #5 in FY2025; down 1 since FY2023.
6	Leidos Holdings, Inc. Through Leidos, Inc. Top agencies USAF (Department of the Air Force)	$19,086,157	4.2%	Rank history: #30 in FY2021, not on the FY2022–FY2023 lists and #8 in FY2025; returned.
7	Scientific Research Corporation Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$17,260,558	3.8%	Rank history: #10 in FY2021, #6 in FY2022, #8 in FY2023 and #13 in FY2025; up 1 since FY2023.
8	Smartronix, LLC Top agencies Navy (Department of the Navy)	$16,806,886	3.7%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2025; new.
9	Caci Technologies LLC Through Caci, Inc. - Federal Top agencies USSOCOM (United States Special Operations Command)	$16,000,000	3.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
10	The Boeing Company Through Insitu, Inc. Top agencies DHS (Department of Homeland Security)	$14,536,277	3.2%	Rank history: #5 in FY2021, #9 in FY2022, #7 in FY2023 and #28 in FY2025; down 3 since FY2023.
11	Tekpro Support Services, LLC Top agencies USAF (Department of the Air Force)	$13,671,832	3.0%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2023 and #27 in FY2025; up 5 since FY2023.
12	Shield Ai Inc. Top agencies DHS (Department of Homeland Security)	$12,852,080	2.9%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2025; new.
13	Modern Technology Solutions, Inc. Top agencies USAF (Department of the Air Force)	$12,818,767	2.9%	Rank history: not on the FY2021–FY2022 lists, #9 in FY2023 and #4 in FY2025; down 4 since FY2023.
14	Epsilon C5I Inc. Top agencies USAF (Department of the Air Force)	$12,017,612	2.7%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
15	Deloitte Through Deloitte Consulting LLP Top agencies Treasury (Department of the Treasury) DTRA (Defense Threat Reduction Agency)	$11,017,480	2.5%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2025; new.
16	Xandar LLC Top agencies USAF (Department of the Air Force)	$9,390,503	2.1%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2023 and #12 in FY2025; up 25 since FY2023.
17	Caci-Wgi, LLC Top agencies USSOCOM (United States Special Operations Command)	$8,678,685	1.9%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
18	Mobius Consulting LLC 2 awardees Top agencies MDA (DOD Missile Defense Agency)	$7,671,902	1.7%	Rank history: #24 in FY2021, #11 in FY2022, #14 in FY2023 and #21 in FY2025; down 4 since FY2023.
19	Arctic Slope Regional Corporation 3 awardees, including Asrc Federal Cyber, LLC, Asrc Federal Facilities Logistics LLC and Asrc Federal Professional Services, LLC Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) Army (Department of the Army)	$6,685,286	1.5%	Rank history: #6 in FY2021, #21 in FY2022, #13 in FY2023 and #6 in FY2025; down 6 since FY2023.
20	Lawelawe Defense, Inc. Top agencies USAF (Department of the Air Force)	$6,666,667	1.5%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2025; new.
21	Space Systems/Loral LLC Through Vantor Services Inc. Top agencies USSOCOM (United States Special Operations Command)	$6,452,369	1.4%	Rank history: #12 in FY2021, #10 in FY2022, #11 in FY2023 and not on the FY2025 list; down 10 since FY2023.
22	Ho-Chunk Shared Services Company Top agencies USAF (Department of the Air Force)	$6,178,777	1.4%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2023 and not on the FY2025 list; up 2 since FY2023.
23	Asrc Federal Technology Solutions, LLC Top agencies USAF (Department of the Air Force) Treasury (Department of the Treasury)	$6,094,738	1.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
24	Zvolvant Solutions LLC Top agencies DOE (Department of Energy)	$5,987,830	1.3%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2025; new.
25	Blocktrace LLC Top agencies Treasury (Department of the Treasury)	$5,335,476	1.2%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2025; new.
26	Dine' Source, LLC Top agencies Army (Department of the Army)	$5,223,326	1.2%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2025; new.
27	Asrc Federal Cyber, LLC Top agencies Treasury (Department of the Treasury)	$4,737,919	1.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
28	Chugach Technical Solutions LLC Top agencies USAID (US Agency for International Development)	$4,147,605	0.9%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
29	HII Mission Technologies Corp Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$4,120,147	0.9%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2025; new.
30	RTX Corporation Through Raytheon Company Top agencies USAF (Department of the Air Force)	$3,045,381	0.7%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
31	Chenega Defense & Aerospace Solutions, LLC Top agencies Treasury (Department of the Treasury)	$2,999,352	0.7%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2023 and #31 in FY2025; up 7 since FY2023.
32	Coastal Defense Inc. Top agencies USSOCOM (United States Special Operations Command)	$2,955,532	0.7%	Rank history: #25 in FY2021, #29 in FY2022, #31 in FY2023 and #41 in FY2025; down 1 since FY2023.
33	Chevo LLC Top agencies DHS (Department of Homeland Security)	$2,929,836	0.7%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023 and #33 in FY2025; down 3 since FY2023.
34	Intelligenesis LLC Top agencies DISA (Defense Information Systems Agency)	$2,846,155	0.6%	Rank history: not on the FY2021 list, #25 in FY2022, #29 in FY2023 and #34 in FY2025; down 5 since FY2023.
35	Advanced Concepts Enterprises, Inc. Top agencies USAF (Department of the Air Force)	$2,782,253	0.6%	Rank history: not on the FY2021–FY2022 lists, #19 in FY2023 and #36 in FY2025; down 16 since FY2023.
36	Intellibridge LLC Through Intelliware Systems Inc. Top agencies DOJ (Department of Justice)	$2,705,887	0.6%	Rank history: not on the FY2021 list, #15 in FY2022, not on the FY2023 list and #60 in FY2025; returned.
37	Cayuse Federal Services LLC Top agencies USAID (US Agency for International Development)	$2,697,475	0.6%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023 and not on the FY2025 list; up 10 since FY2023.
38	People, Technology and Processes, LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$2,649,738	0.6%	Rank history: not on the FY2021 list, #50 in FY2022, #28 in FY2023 and #32 in FY2025; down 10 since FY2023.
39	Agility Consulting, LLC Top agencies DOD (Department of Defense)	$2,498,113	0.6%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2025; new.
40	Beacon Associates Inc. 2 awardees Top agencies DOJ (Department of Justice)	$2,387,000	0.5%	Rank history: not on the FY2021 list, #22 in FY2022, #26 in FY2023 and not on the FY2025 list; down 14 since FY2023.
41	Kaiva Tech, LLC Top agencies USAID (US Agency for International Development)	$2,315,000	0.5%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and #72 in FY2025; down 14 since FY2023.
42	Gartner, Inc. Top agencies SSA (Social Security Administration) USITC (International Trade Commission)	$2,142,518	0.5%	Rank history: #42 in FY2021, #28 in FY2022, #34 in FY2023 and #47 in FY2025; down 8 since FY2023.
43	Chainalysis Government Solutions LLC Top agencies Treasury (Department of the Treasury)	$1,984,185	0.4%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
44	Celeen LLC Top agencies DOD (Department of Defense) DHS (Department of Homeland Security)	$1,888,792	0.4%	Rank history: not on the FY2021–FY2022 lists, #43 in FY2023 and #52 in FY2025; down 1 since FY2023.
45	Vantor Services Inc. Top agencies USSOCOM (United States Special Operations Command)	$1,866,957	0.4%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2025; new.
46	Acuity-Chs, LLC Top agencies Treasury (Department of the Treasury)	$1,825,697	0.4%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2025; new.
47	Parsons Corporation Through Parsons Government Services Inc. Top agencies USAF (Department of the Air Force)	$1,536,363	0.3%	Rank history: #23 in FY2021, #24 in FY2022, #33 in FY2023 and #2 in FY2025; down 14 since FY2023.
48	Applied Fundamentals Consulting LLC Top agencies Treasury (Department of the Treasury)	$1,457,772	0.3%	Rank history: #73 in FY2021, #53 in FY2022, #39 in FY2023 and #42 in FY2025; down 9 since FY2023.
49	Koniag, Inc. Through Kadiak LLC Top agencies Army (Department of the Army)	$1,438,015	0.3%	Rank history: #72 in FY2021, #41 in FY2022, #35 in FY2023 and #45 in FY2025; down 14 since FY2023.
50	Redhorse Corporation Top agencies USSOCOM (United States Special Operations Command)	$1,354,469	0.3%	Rank history: #82 in FY2021, not on the FY2022–FY2023 lists and #20 in FY2025; returned.
51	FWG Solutions Inc Top agencies Army (Department of the Army)	$1,212,912	0.3%	Rank history: #29 in FY2021, #26 in FY2022, #32 in FY2023 and not on the FY2025 list; down 19 since FY2023.
52	Kbr, Inc. Through KBR Wyle Services, LLC Top agencies USAF (Department of the Air Force)	$1,069,880	0.2%	Rank history: #8 in FY2021, #8 in FY2022, #6 in FY2023 and not on the FY2025 list; down 46 since FY2023.
53	Cherokee Nation Strategic Programs, L.L.C. Top agencies Army (Department of the Army)	$1,025,706	0.2%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; new.
54	Amentum Services, Inc. 3 awardees, including Centra Technology, Inc. Top agencies DHS (Department of Homeland Security)	$983,998	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
55	Compass Point LLC Top agencies Army (Department of the Army)	$899,373	0.2%	Rank history: #37 in FY2021, #36 in FY2022, #57 in FY2023 and not on the FY2025 list; up 2 since FY2023.
56	The Sentient Group LLC 2 awardees Top agencies Army (Department of the Army)	$884,005	0.2%	Rank history: #57 in FY2021, #42 in FY2022, #46 in FY2023 and #58 in FY2025; down 10 since FY2023.
57	County of Geauga Through Geauga County Of Top agencies SSA (Social Security Administration)	$856,598	0.2%	Rank history: #55 in FY2021, #48 in FY2022, #48 in FY2023 and not on the FY2025 list; down 9 since FY2023.
58	Amentum Holdings, Inc. 2 awardees, including Amentum Services, Inc. and Centra Technology, Inc. Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security)	$758,329	0.2%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2025; new.
59	Centra Technology, Inc. Top agencies DHS (Department of Homeland Security)	$740,793	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
60	Chenega It Enterprise Services, LLC Top agencies DOJ (Department of Justice)	$725,292	0.2%	Rank history: #52 in FY2021, #46 in FY2022, #49 in FY2023 and not on the FY2025 list; down 11 since FY2023.
61	County of ST Louis Through ST. Louis County, Missouri Top agencies SSA (Social Security Administration)	$667,604	0.1%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2023 and #57 in FY2025; down 7 since FY2023.
62	Aevex Aerospace, LLC Top agencies USAF (Department of the Air Force)	$658,275	0.1%	Rank history: #33 in FY2021, #38 in FY2022, #42 in FY2023 and #46 in FY2025; down 20 since FY2023.
63	Derivative2 LLC Through Derivative LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$654,465	0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and not on the FY2025 list; down 11 since FY2023.
64	Itsc Secure Solutions, LLC Top agencies DHS (Department of Homeland Security)	$640,493	0.1%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; new.
65	Endictus Corp Top agencies DOD (Department of Defense)	$567,191	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
66	Agile Decision Sciences, LLC Top agencies Treasury (Department of the Treasury)	$526,234	0.1%	Rank history: not on the FY2021 list, #27 in FY2022, #37 in FY2023 and not on the FY2025 list; down 29 since FY2023.
67	Harris County Top agencies SSA (Social Security Administration)	$505,616	0.1%	Rank history: #76 in FY2021, #54 in FY2022, #50 in FY2023 and #75 in FY2025; down 17 since FY2023.
68	Inflowlogistics, LLC Top agencies DISA (Defense Information Systems Agency)	$500,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
69	Global Resource Solutions Inc. Top agencies DHS (Department of Homeland Security)	$438,451	0.1%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #61 in FY2025; down 11 since FY2023.
70	Relx Inc. Through Lexisnexis Risk Solutions Inc. Top agencies Treasury (Department of the Treasury)	$381,333	0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2025; new.
71	Professional Software Consortium Inc. Top agencies USAF (Department of the Air Force)	$353,008	0.1%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and not on the FY2025 list; down 10 since FY2023.
72	At&T Inc. Through At&T Enterprises, LLC Top agencies DHS (Department of Homeland Security)	$322,609	0.1%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2025; new.
73	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies Army (Department of the Army)	$321,992	0.1%	Rank history: #11 in FY2021, not on the FY2022 list, #51 in FY2023 and not on the FY2025 list; down 22 since FY2023.
74	Madison County Prosecutor Top agencies SSA (Social Security Administration)	$308,117	0.1%	Rank history: not on the FY2021–FY2023 lists and #66 in FY2025; new.
75	Suvi Global Services LLC Top agencies Treasury (Department of the Treasury)	$305,272	0.1%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
76	Parsons Government Services Inc. Top agencies USAF (Department of the Air Force)	$300,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
77	Kadiak LLC Top agencies Army (Department of the Army)	$262,307	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
78	Webworld Technologies Inc. Top agencies USAF (Department of the Air Force)	$250,206	0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2025; new.
79	Raytheon Company Top agencies USAF (Department of the Air Force)	$249,996	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Leadsonline, LLC Top agencies DOJ (Department of Justice)	$243,051	0.1%	Rank history: #74 in FY2021, #61 in FY2022, #66 in FY2023 and #74 in FY2025; down 14 since FY2023.
81	Cambio Consulting Group LLC Top agencies DHS (Department of Homeland Security)	$239,040	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
82	Yakshna Solutions Inc Top agencies USAF (Department of the Air Force)	$158,254	<0.1%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2023 and #82 in FY2025; down 11 since FY2023.
83	Guidehouse Inc. Top agencies DTRA (Defense Threat Reduction Agency)	$153,479	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	City of Chicago Top agencies SSA (Social Security Administration)	$141,729	<0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; new.
85	SHR Consulting Group LLC Top agencies OSD (Office of the Secretary of Defense)	$115,848	<0.1%	Rank history: not on the FY2021–FY2022 lists, #45 in FY2023 and #48 in FY2025; down 40 since FY2023.
86	The Ar Group, LLC Top agencies HHS (Department of Health and Human Services)	$112,244	<0.1%	Rank history: not on the FY2021 list, #67 in FY2022, #76 in FY2023 and #84 in FY2025; down 10 since FY2023.
87	National Cyber-Forensics and Training Alliance Limited Top agencies DHS (Department of Homeland Security)	$97,500	<0.1%	Rank history: #75 in FY2021, #63 in FY2022, not on the FY2023 list and #85 in FY2025; returned.
88	Evigilant.com, LLC Top agencies DOJ (Department of Justice)	$95,043	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
89	PAE Applied Technologies LLC Top agencies USAF (Department of the Air Force)	$84,024	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
90	Singularity Security Group LLC Top agencies Navy (Department of the Navy)	$72,750	<0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2023 and #95 in FY2025; down 9 since FY2023.
91	Patchplus Consulting Inc. Top agencies USAF (Department of the Air Force)	$42,955	<0.1%	Rank history: #50 in FY2021, #43 in FY2022, #67 in FY2023 and not on the FY2025 list; down 24 since FY2023.
92	Fieldprint Inc. Top agencies Navy (Department of the Navy)	$34,700	<0.1%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2025; new.
93	Data Facts Inc. Top agencies DOJ (Department of Justice)	$32,127	<0.1%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023 and #91 in FY2025; down 16 since FY2023.
94	San Diego Association of Governments Top agencies Treasury (Department of the Treasury)	$31,856	<0.1%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2025; new.
95	Evocavi, LLC Top agencies Army (Department of the Army)	$30,000	<0.1%	Rank history: #80 in FY2021, #55 in FY2022, #80 in FY2023 and not on the FY2025 list; down 15 since FY2023.
96	Johnson Controls Security Solutions LLC Top agencies Army (Department of the Army)	$24,853	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
97	Geauga County Of Top agencies SSA (Social Security Administration)	$24,305	<0.1%	Rank history: not on the FY2021–FY2023 lists and #51 in FY2025; new.
98	Tam-C Government Solutions LLC Top agencies Army (Department of the Army)	$23,300	<0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #87 in FY2023 and not on the FY2025 list; down 11 since FY2023.
99	System High Corporation Top agencies Army (Department of the Army)	$22,680	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
100	Mercyhurst University Top agencies USAF (Department of the Air Force)	$20,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.

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100 of 118 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 $450 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2024 ran Oct 1, 2023 – Sep 30, 2024. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2023. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2023 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 PSC R423 contractors in FY2024?

1. Altamira Technologies Corporation ($32.3M), 2. Radiance Technologies, Inc. ($32.2M), 3. Fgs, LLC ($25.1M), 4. Actionable Solutions Group, LLC ($23.4M), 5. CACI International Inc. ($21.4M), 6. Leidos Holdings, Inc. ($19.1M), 7. Scientific Research Corporation ($17.3M), 8. Smartronix, LLC ($16.8M), 9. Caci Technologies LLC ($16M), 10. The Boeing Company ($14.5M).

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