Top 100 Contractors in PSC D3: Automatic Data Processing and Telecommunications, FY2024

Name: Top 100 Contractors in PSC D3: Automatic Data Processing and Telecommunications, FY2024
Creator: GovTribe

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

The top 10 won 42% of FY2024 PSC D3 contract dollars

Contract obligations: $11,860,895,655 Net of deobligations, by contracts coded PSC D3 or a code under it
Contractors: 1,528 Parent companies with an obligation
Largest contractor: General Dynamics Corporation $980 million, 7.5% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	General Dynamics Corporation 14 awardees, including General Dynamics Information Technology, Inc., General Dynamics One Source LLC and General Dynamics Mission Systems, Inc. Top agencies HHS (Department of Health and Human Services) Army (Department of the Army) USAF (Department of the Air Force)	$980,252,722	7.5%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #4 in FY2025; unchanged since FY2023.
2	Accenture Federal Services LLC 4 awardees, including ASM Research, LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$829,855,254	6.3%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2025; new.
3	Booz Allen Hamilton Holding Corporation 7 awardees, including Booz Allen Hamilton Inc. and Liberty It Solutions LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$776,904,779	5.9%	Rank history: #3 in FY2021, #4 in FY2022, #2 in FY2023 and #8 in FY2025; down 1 since FY2023.
4	Leidos Holdings, Inc. 15 awardees, including Leidos, Inc., 1901 Group, LLC and Leidos SMS Inc. Top agencies DISA (Defense Information Systems Agency) DOJ (Department of Justice) Army (Department of the Army)	$612,544,038	4.7%	Rank history: #2 in FY2021, #2 in FY2022, #6 in FY2023 and #5 in FY2025; up 2 since FY2023.
5	At&T Inc. 32 awardees, including At&T Enterprises, LLC, At&T Technical Services Company, Inc. and Att Mobility LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DOS (Department of State)	$601,838,197	4.6%	Rank history: #12 in FY2021, #12 in FY2022, #8 in FY2023 and #2 in FY2025; up 3 since FY2023.
6	Peraton Inc. 2 awardees, including Peraton Enterprise Solutions LLC Top agencies NASA (National Aeronautics and Space Administration) DOS (Department of State) ED (Department of Education)	$539,230,615	4.1%	Rank history: not on the FY2021–FY2023 lists and #1 in FY2025; new.
7	Science Applications International Corporation 7 awardees Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$354,986,408	2.7%	Rank history: #6 in FY2021, #7 in FY2022, #7 in FY2023 and #7 in FY2025; unchanged since FY2023.
8	Oracle Health Government Services Inc. Top agencies VA (Department of Veterans Affairs)	$318,943,276	2.4%	Rank history: not on the FY2021 list, #19 in FY2022, #10 in FY2023 and #6 in FY2025; up 2 since FY2023.
9	CACI International Inc. 9 awardees, including Caci, Inc. - Federal, Caci Nss, LLC and Caci-Iss, LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) OSD (Office of the Secretary of Defense)	$266,578,056	2.0%	Rank history: #4 in FY2021, #3 in FY2022, #3 in FY2023 and #10 in FY2025; down 6 since FY2023.
10	Verizon 8 awardees, including Verizon Business Network Services LLC, MCI Communications Services LLC and Verizon Deutschland GMBH Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury) DISA (Defense Information Systems Agency)	$227,673,812	1.7%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2025; new.
11	Inspiritec Inc. Top agencies DHRA (Defense Human Resources Activity)	$220,202,205	1.7%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
12	L3Harris Technologies, Inc. 8 awardees, including L3Harris Technologies Integrated Systems L.P. and Harris Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force) DOT (Department of Transportation)	$190,523,874	1.5%	Rank history: #16 in FY2021, #13 in FY2022, #13 in FY2023 and #16 in FY2025; up 1 since FY2023.
13	HP Enterprise Services LLC 7 awardees, including Peraton Enterprise Solutions LLC, Peraton Inc. and Peraton Government Communications Inc. Top agencies NASA (National Aeronautics and Space Administration) DOS (Department of State) ED (Department of Education)	$189,321,913	1.4%	Rank history: #14 in FY2021, #6 in FY2022, #4 in FY2023 and not on the FY2025 list; down 9 since FY2023.
14	CGI Technologies and Solutions Inc. 2 awardees, including CGI Federal Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$164,980,415	1.3%	Rank history: #9 in FY2021, #8 in FY2022, #12 in FY2023 and not on the FY2025 list; down 2 since FY2023.
15	B 3 Group, LLC Top agencies VA (Department of Veterans Affairs)	$138,533,313	1.1%	Rank history: #40 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
16	Peckham Vocational Industries, Inc. 2 awardees Top agencies DOS (Department of State)	$134,786,451	1.0%	Rank history: #80 in FY2021, #61 in FY2022, #18 in FY2023 and not on the FY2025 list; up 2 since FY2023.
17	Securigence LLC Top agencies DARPA (Defense Advanced Research Projects Agency) WHS (DOD Washington Headquarters Service)	$128,151,200	1.0%	Rank history: not on the FY2021 list, #38 in FY2022, #22 in FY2023 and #12 in FY2025; up 5 since FY2023.
18	Lumen Technologies, Inc. 16 awardees, including Lumen Technologies Government Solutions, Inc., Level 3 Communications, LLC and United Telephone Company of the Northwest Top agencies VA (Department of Veterans Affairs) DOI (Department of the Interior) DISA (Defense Information Systems Agency)	$123,693,761	0.9%	Rank history: #30 in FY2021, not on the FY2022 list, #14 in FY2023 and #89 in FY2025; down 4 since FY2023.
19	Viasat Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DISA (Defense Information Systems Agency)	$113,258,263	0.9%	Rank history: #45 in FY2021, #31 in FY2022, #21 in FY2023 and #17 in FY2025; up 2 since FY2023.
20	Semanticbits LLC 3 awardees, including ICF Incorporated, L.L.C. and Incentive Technology Group LLC Top agencies HHS (Department of Health and Human Services) DOS (Department of State) GSA (General Services Administration)	$110,113,454	0.8%	Rank history: #43 in FY2021, #35 in FY2022, #24 in FY2023 and #63 in FY2025; up 4 since FY2023.
21	Innovative Management Concepts, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$100,133,779	0.8%	Rank history: not on the FY2021 list, #43 in FY2022, #36 in FY2023 and #24 in FY2025; up 15 since FY2023.
22	Caci Technologies LLC 6 awardees, including Caci, Inc. - Federal and Caci Nss, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$99,465,192	0.8%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
23	By Light Professional It Services LLC 3 awardees Top agencies DISA (Defense Information Systems Agency) NSF (National Science Foundation) VA (Department of Veterans Affairs)	$94,614,685	0.7%	Rank history: #29 in FY2021, #37 in FY2022, #32 in FY2023 and #15 in FY2025; up 9 since FY2023.
24	Caci-Iss, LLC Top agencies Army (Department of the Army)	$83,382,103	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
25	Smartronix, LLC 2 awardees Top agencies Navy (Department of the Navy) DOI (Department of the Interior) CFTC (Commodity Futures Trading Commission)	$82,616,491	0.6%	Rank history: #31 in FY2021, #32 in FY2022, #30 in FY2023 and #21 in FY2025; up 5 since FY2023.
26	Red River Technology LLC Top agencies VA (Department of Veterans Affairs) OSD (Office of the Secretary of Defense) DHS (Department of Homeland Security)	$80,632,435	0.6%	Rank history: #49 in FY2021, #42 in FY2022, #29 in FY2023 and not on the FY2025 list; up 3 since FY2023.
27	CGI Federal Inc. Top agencies DHS (Department of Homeland Security) USDA (Department of Agriculture) HHS (Department of Health and Human Services)	$79,167,930	0.6%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
28	Accenture Inc. Through Accenture Federal Services LLC Top agencies Army (Department of the Army) Commerce (Department of Commerce) USAF (Department of the Air Force)	$79,060,113	0.6%	Rank history: not on the FY2021 list, #9 in FY2022, #5 in FY2023 and not on the FY2025 list; down 23 since FY2023.
29	International Business Machines Corporation 4 awardees Top agencies Army (Department of the Army) GSA (General Services Administration) HUD (Department of Housing and Urban Development)	$77,233,222	0.6%	Rank history: #15 in FY2021, #27 in FY2022, #39 in FY2023 and #35 in FY2025; up 10 since FY2023.
30	Octo Consulting Group Inc. 4 awardees, including Sevatec LLC and B 3 Group, LLC Top agencies GSA (General Services Administration) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$72,888,307	0.6%	Rank history: #34 in FY2021, #15 in FY2022, #11 in FY2023 and #84 in FY2025; down 19 since FY2023.
31	Dev Technology Group Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$69,199,616	0.5%	Rank history: #61 in FY2021, #69 in FY2022, #25 in FY2023 and not on the FY2025 list; down 6 since FY2023.
32	Lockheed Martin Corporation 11 awardees Top agencies MDA (DOD Missile Defense Agency) NASA (National Aeronautics and Space Administration)	$69,183,886	0.5%	Rank history: #23 in FY2021, #22 in FY2022, #19 in FY2023 and not on the FY2025 list; down 13 since FY2023.
33	ManTech International Corporation 4 awardees, including Mantech Advanced Systems International, Inc. and Unison Software Inc. Top agencies DHS (Department of Homeland Security) DOS (Department of State) DOJ (Department of Justice)	$67,389,885	0.5%	Rank history: not on the FY2021–FY2023 lists and #18 in FY2025; new.
34	Deloitte 2 awardees, including Deloitte Consulting LLP Top agencies HUD (Department of Housing and Urban Development) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$65,222,993	0.5%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
35	Advanced Technology Systems Inc. 3 awardees, including Salient Crgt, Inc. and Salient Federal Solutions, Inc. Top agencies DHS (Department of Homeland Security) GAO (Government Accountability Office) Army (Department of the Army)	$63,447,238	0.5%	Rank history: #32 in FY2021, not on the FY2022 list, #26 in FY2023 and not on the FY2025 list; down 9 since FY2023.
36	Anthem Inc. Through Wellpoint Federal Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$63,411,672	0.5%	Rank history: #82 in FY2021, #53 in FY2022, #28 in FY2023 and #19 in FY2025; down 8 since FY2023.
37	MI Technical Solutions Inc Top agencies Navy (Department of the Navy)	$62,487,657	0.5%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023 and #50 in FY2025; up 54 since FY2023.
38	SMS Data Products Group Inc. Top agencies USAF (Department of the Air Force) MDA (DOD Missile Defense Agency)	$61,904,784	0.5%	Rank history: not on the FY2021–FY2022 lists, #23 in FY2023 and #98 in FY2025; down 15 since FY2023.
39	Business Mission Edge, LLC Top agencies Army (Department of the Army)	$58,559,816	0.4%	Rank history: not on the FY2021 list, #29 in FY2022, #90 in FY2023 and #23 in FY2025; up 51 since FY2023.
40	Lumen Technologies Government Solutions, Inc. Top agencies DOI (Department of the Interior) SSA (Social Security Administration) DODEA (Department of Defense Education Activity)	$57,016,588	0.4%	Rank history: not on the FY2021 list, #58 in FY2022, not on the FY2023 list and #13 in FY2025; returned.
41	Iridium Government Services LLC Top agencies DISA (Defense Information Systems Agency)	$54,415,494	0.4%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2025; new.
42	Tista Science and Technology Corporation Top agencies HHS (Department of Health and Human Services) ED (Department of Education) Treasury (Department of the Treasury)	$47,985,825	0.4%	Rank history: #35 in FY2021, #25 in FY2022, #20 in FY2023 and not on the FY2025 list; down 22 since FY2023.
43	Directviz Solutions, LLC Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$46,347,715	0.4%	Rank history: #66 in FY2021, not on the FY2022 list, #75 in FY2023 and #25 in FY2025; up 32 since FY2023.
44	Manhattan Telecommunications Corporation LLC Top agencies SSA (Social Security Administration) GSA (General Services Administration) DOS (Department of State)	$45,070,192	0.3%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and #31 in FY2025; up 9 since FY2023.
45	Artel LLC Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army)	$44,858,358	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 132 since FY2023.
46	Guidehouse Digital LLC Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) RRB (Railroad Retirement Board)	$44,099,693	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
47	Abacus Technology Corporation Top agencies USAF (Department of the Air Force) Army (Department of the Army) USDA (Department of Agriculture)	$39,240,751	0.3%	Rank history: #85 in FY2021, #76 in FY2022, #52 in FY2023 and not on the FY2025 list; up 5 since FY2023.
48	Planet Technologies, Inc. Top agencies DOI (Department of the Interior)	$38,585,797	0.3%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023 and #27 in FY2025; up 21 since FY2023.
49	Ventech Solutions Inc. Top agencies HHS (Department of Health and Human Services)	$38,281,520	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
50	Tecolote Research, Inc. Top agencies USAF (Department of the Air Force)	$36,610,297	0.3%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; up 51 since FY2023.
51	Unissant Inc Top agencies DHS (Department of Homeland Security) DHRA (Defense Human Resources Activity)	$33,185,415	0.3%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023 and #26 in FY2025; up 25 since FY2023.
52	Sparksoft Corporation Top agencies HHS (Department of Health and Human Services)	$31,620,663	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
53	Procentrix, LLC Top agencies SEC (Securities and Exchange Commission) Treasury (Department of the Treasury) DOJ (Department of Justice)	$31,600,716	0.2%	Rank history: not on the FY2021 list, #92 in FY2022, #59 in FY2023 and #40 in FY2025; up 6 since FY2023.
54	Network Management Resources Inc. Top agencies MDA (DOD Missile Defense Agency)	$31,294,430	0.2%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023 and #38 in FY2025; up 24 since FY2023.
55	Mindpoint Group LLC Top agencies DOJ (Department of Justice) USAID (US Agency for International Development)	$30,832,126	0.2%	Rank history: #94 in FY2021, #73 in FY2022, #35 in FY2023 and #33 in FY2025; down 20 since FY2023.
56	Empower AI, Inc. Top agencies Army (Department of the Army)	$30,684,210	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
57	BAE Systems PLC Through BAE Systems Technology Solutions & Services Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$29,737,850	0.2%	Rank history: #98 in FY2021, #77 in FY2022, #56 in FY2023 and not on the FY2025 list; down 1 since FY2023.
58	BT Americas Inc. 2 awardees, including 22Nd Century Networks, Inc. Top agencies DISA (Defense Information Systems Agency) Army (Department of the Army) Navy (Department of the Navy)	$29,431,004	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 128 since FY2023.
59	Favor Techconsulting LLC Top agencies VA (Department of Veterans Affairs) DOL (Department of Labor) DOJ (Department of Justice)	$28,147,152	0.2%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2025; new.
60	KBR Wyle Services LLC 2 awardees Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$28,052,076	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
61	NTT Data Services Federal Government, LLC Top agencies HHS (Department of Health and Human Services) DHS (Department of Homeland Security) Navy (Department of the Navy)	$27,755,836	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
62	Validatek-Citi, LLC Top agencies DISA (Defense Information Systems Agency)	$27,745,507	0.2%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and #30 in FY2025; up 26 since FY2023.
63	Uncomn LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$27,591,228	0.2%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023 and #29 in FY2025; up 30 since FY2023.
64	Healthapt, LLC Top agencies HHS (Department of Health and Human Services)	$26,840,319	0.2%	Rank history: not on the FY2021 list, #94 in FY2022, #57 in FY2023 and not on the FY2025 list; down 7 since FY2023.
65	Maximus Federal Services, Inc. Top agencies Treasury (Department of the Treasury)	$25,573,896	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
66	Teksynap Corporation Top agencies NRC (Nuclear Regulatory Commission) DTRA (Defense Threat Reduction Agency)	$25,549,926	0.2%	Rank history: #73 in FY2021, #46 in FY2022, #70 in FY2023 and #37 in FY2025; up 4 since FY2023.
67	Leidos, Inc. Top agencies DHRA (Defense Human Resources Activity) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$25,229,434	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
68	Planned Systems International Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$25,119,451	0.2%	Rank history: #71 in FY2021, #65 in FY2022, #51 in FY2023 and not on the FY2025 list; down 17 since FY2023.
69	Team Greenzone JV LLC Top agencies SEC (Securities and Exchange Commission)	$24,996,795	0.2%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and #44 in FY2025; down 3 since FY2023.
70	Valdez International Corporation Top agencies USAF (Department of the Air Force)	$24,303,970	0.2%	Rank history: #96 in FY2021, not on the FY2022 list, #81 in FY2023 and not on the FY2025 list; up 11 since FY2023.
71	Remedybiz, Inc. Top agencies HHS (Department of Health and Human Services)	$24,137,480	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 34 since FY2023.
72	World Wide Technology LLC Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$23,834,707	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 31 since FY2023.
73	Microtechnologies LLC 3 awardees, including Defined Technologies, LLC Top agencies HUD (Department of Housing and Urban Development) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$23,828,227	0.2%	Rank history: not on the FY2021 list, #55 in FY2022, #44 in FY2023 and #65 in FY2025; down 29 since FY2023.
74	22ND Century Technologies Inc. Top agencies Commerce (Department of Commerce) DISA (Defense Information Systems Agency) Army (Department of the Army)	$23,779,316	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
75	Research Management Consultants Inc. Top agencies OPM (Office of Personnel Management)	$23,419,717	0.2%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023 and not on the FY2025 list; up 14 since FY2023.
76	ACE Info Solutions LLC Through Guidehouse Digital LLC Top agencies HHS (Department of Health and Human Services) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$23,111,616	0.2%	Rank history: #55 in FY2021, not on the FY2022 list, #31 in FY2023 and not on the FY2025 list; down 45 since FY2023.
77	V3Gate, LLC Top agencies SSA (Social Security Administration) USDA (Department of Agriculture) EOP (Executive Office of the President)	$22,475,507	0.2%	Rank history: #28 in FY2021, #18 in FY2022, not on the FY2023 list and #71 in FY2025; up 136 since FY2023.
78	Agile Defense LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) Smithsonian (Smithsonian Institution)	$22,127,012	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 106 since FY2023.
79	American Chemical Society Top agencies Commerce (Department of Commerce)	$21,927,897	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 35 since FY2023.
80	Spalding Consulting Inc. Top agencies Navy (Department of the Navy)	$21,814,437	0.2%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2025; new.
81	Octo Metric LLC Top agencies Treasury (Department of the Treasury) DHS (Department of Homeland Security)	$21,362,848	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 27 since FY2023.
82	MCR LLC Through MCR Federal, LLC Top agencies USAF (Department of the Air Force)	$20,992,908	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 42 since FY2023.
83	Asgn Incorporated Through ECS Federal, LLC Top agencies DOJ (Department of Justice) Treasury (Department of the Treasury) Navy (Department of the Navy)	$19,974,515	0.2%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2025; new.
84	PTC Inc. Top agencies Navy (Department of the Navy)	$19,809,152	0.2%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2025; up 56 since FY2023.
85	Rei Systems, Inc. Top agencies GSA (General Services Administration) DOJ (Department of Justice) SBA (Small Business Administration)	$19,705,510	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
86	Vista Defense Technologies, LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency) Navy (Department of the Navy)	$19,638,747	0.2%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2025; new.
87	Karsun Solutions LLC Top agencies GSA (General Services Administration)	$19,072,349	0.1%	Rank history: #99 in FY2021, not on the FY2022 list, #95 in FY2023 and not on the FY2025 list; up 8 since FY2023.
88	Noblis, Inc. Top agencies Treasury (Department of the Treasury) USDA (Department of Agriculture)	$19,051,267	0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; up 37 since FY2023.
89	Kci-Acuity, LLC Top agencies DOS (Department of State) SEC (Securities and Exchange Commission)	$18,688,521	0.1%	Rank history: #90 in FY2021, #56 in FY2022, #40 in FY2023 and not on the FY2025 list; down 49 since FY2023.
90	NTT Data Fedhealth, Inc. Top agencies HHS (Department of Health and Human Services)	$18,424,282	0.1%	Rank history: #86 in FY2021, #67 in FY2022, #58 in FY2023 and not on the FY2025 list; down 32 since FY2023.
91	Salient Federal Solutions, Inc. Top agencies Army (Department of the Army)	$18,075,114	0.1%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2025; new.
92	Communications Resource Inc. Top agencies DOS (Department of State) Treasury (Department of the Treasury) VA (Department of Veterans Affairs)	$17,777,290	0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2025; up 30 since FY2023.
93	Arctic Slope Regional Corporation 9 awardees, including Netcentric Technology, LLC, Broadleaf, Inc. and Asrc Federal Data Networx, LLC Top agencies DOS (Department of State) Army (Department of the Army) NRC (Nuclear Regulatory Commission)	$17,490,893	0.1%	Rank history: #54 in FY2021, #78 in FY2022, #50 in FY2023 and #85 in FY2025; down 43 since FY2023.
94	Data Systems Analysts Inc. 2 awardees, including Project Performance Company, LLC Top agencies Army (Department of the Army) NRC (Nuclear Regulatory Commission)	$17,349,855	0.1%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2023 and not on the FY2025 list; down 10 since FY2023.
95	Sevatec LLC Top agencies GSA (General Services Administration)	$17,295,724	0.1%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2025; new.
96	PCI Professional Services, LLC Top agencies USAF (Department of the Air Force)	$17,256,953	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 11 since FY2023.
97	Cubic Digital Intelligence Inc. Top agencies DISA (Defense Information Systems Agency)	$16,513,153	0.1%	Rank history: not on the FY2021–FY2023 lists and #41 in FY2025; new.
98	Nuaxis LLC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$16,436,345	0.1%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2025; up 33 since FY2023.
99	Northrop Grumman Corporation 12 awardees, including Northrop Grumman Systems Corporation Top agencies DOT (Department of Transportation) HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$16,313,343	0.1%	Rank history: #8 in FY2021, #39 in FY2022, not on the FY2023 list and not on the FY2025 list; up 10 since FY2023.
100	Civicactions, Inc. Top agencies HHS (Department of Health and Human Services) DSCA (Defense Security Cooperation Agency)	$16,001,135	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 88 since FY2023.

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100 of 1,528 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC D3

Code	Net obligations	Largest contractor
D399 Other ADP and Telecommunications Services (includes data storage on tapes, compact disks, etc.)	$3,633,584,191	Accenture Federal Services LLC
D318 IT and Telecom – Integrated Hardware/Software/Services Solutions, Predominantly Services	$1,719,402,074	Oracle Health Government Services Inc.
D304 ADP Telecommunications and Transmission Services	$1,020,969,058	At&T Inc.
D316 Telecommunications Network Management Services	$803,782,379	Leidos Holdings, Inc.
D301 ADP Facility Operation and Maintenance Services	$667,877,041	Securigence LLC
D302 ADP Systems Development Services	$607,993,065	General Dynamics Corporation
D307 Automated Information System Design and Integration Services	$505,693,085	Caci-Iss, LLC
D305 ADP Teleprocessing and Timesharing Service	$494,813,208	General Dynamics Corporation
D321 IT and Telecom – Help Desk	$435,480,378	Inspiritec Inc.
D325 IT and Telecom – Data Centers and Storage	$381,003,578	Science Applications International Corporation
D308 Programming Services	$303,652,503	General Dynamics Corporation
D306 ADP Systems Analysis Services	$270,049,764	Booz Allen Hamilton Holding Corporation
D319 IT and Telecom – Annual Software Maintenance Service Plans	$262,037,281	L3Harris Technologies, Inc.
D314 IT and Telecom – System Acquisition Support	$238,696,781	Booz Allen Hamilton Holding Corporation
D310 ADP Backup and Security Services	$203,407,668	Peraton Inc.
D320 IT and Telecom – Annual Hardware Maintenance Service Plans	$89,674,838	Red River Technology LLC
D317 IT and Telecom – Web-Based Subscription	$45,799,272	American Chemical Society
D309 Information and Data Broadcasting or Data Distribution Services	$40,435,990	SMS Data Products Group Inc.
D322 IT and Telecom – Internet	-$5,166,579	Verizon

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 $13.1 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 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 D3 contractors in FY2024?

1. General Dynamics Corporation ($980M), 2. Accenture Federal Services LLC ($830M), 3. Booz Allen Hamilton Holding Corporation ($777M), 4. Leidos Holdings, Inc. ($613M), 5. At&T Inc. ($602M), 6. Peraton Inc. ($539M), 7. Science Applications International Corporation ($355M), 8. Oracle Health Government Services Inc. ($319M), 9. CACI International Inc. ($267M), 10. Verizon ($228M).

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