Top 100 Contractors in PSC DJ: IT and Telecom – Security and Compliance, FY2023

Name: Top 100 Contractors in PSC DJ: IT and Telecom – Security and Compliance, FY2023
Creator: GovTribe

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

The top 10 won 54% of FY2023 PSC DJ contract dollars

Contract obligations: $1,913,811,182 Net of deobligations, by contracts coded PSC DJ or a code under it
Contractors: 449 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $669 million, 34.3% 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	Leidos Holdings, Inc. 3 awardees, including Leidos, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) FTC (Federal Trade Commission)	$669,494,384	34.3%	Rank history: #2 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	On Assignment, Inc. 3 awardees, including ECS Federal, LLC, Iron Vine Security LLC and Indrasoft Inc. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) ED (Department of Education)	$97,174,235	5.0%	Rank history: #37 in FY2021, #4 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
3	Deloitte LLP 2 awardees, including Deloitte & Touche LLP and Deloitte Consulting LLP Top agencies SSA (Social Security Administration) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$66,993,926	3.4%	Rank history: #83 in FY2021, #17 in FY2022, #2 in FY2024 and #3 in FY2025; up 14 since FY2022.
4	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies Navy (Department of the Navy) Treasury (Department of the Treasury) HHS (Department of Health and Human Services)	$44,560,896	2.3%	Rank history: #34 in FY2021, #16 in FY2022, #6 in FY2024 and #8 in FY2025; up 12 since FY2022.
5	Strategic Enterprise Solutions Inc. Through Steampunk, Inc. Top agencies DHS (Department of Homeland Security)	$36,742,126	1.9%	Rank history: not on the FY2021 list, #5 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
6	Arctic Slope Regional Corporation 3 awardees, including Asrc Communications, Ltd. and Netcentric Technology, LLC Top agencies DISA (Defense Information Systems Agency) DHRA (Defense Human Resources Activity)	$32,193,002	1.6%	Rank history: #4 in FY2021, #3 in FY2022, #8 in FY2024 and #2 in FY2025; down 3 since FY2022.
7	Carahsoft Technology Corp Top agencies DISA (Defense Information Systems Agency) GSA (General Services Administration) DODEA (Department of Defense Education Activity)	$25,994,919	1.3%	Rank history: #36 in FY2021, #22 in FY2022, #45 in FY2024 and #86 in FY2025; up 15 since FY2022.
8	Deloitte Consulting LLP Top agencies DOL (Department of Labor) Navy (Department of the Navy) SSA (Social Security Administration)	$25,721,107	1.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 161 since FY2022.
9	Dynamo Technologies, LLC Top agencies USDA (Department of Agriculture)	$25,208,912	1.3%	Rank history: #98 in FY2021, #11 in FY2022, #11 in FY2024 and #12 in FY2025; up 2 since FY2022.
10	Maveris LLC Top agencies VA (Department of Veterans Affairs)	$22,371,957	1.1%	Rank history: not on the FY2021 list, #34 in FY2022, #7 in FY2024 and #7 in FY2025; up 24 since FY2022.
11	ZEN Strategics LLC Top agencies DHS (Department of Homeland Security) ED (Department of Education)	$20,742,010	1.1%	Rank history: #51 in FY2021, #14 in FY2022, #9 in FY2024 and #15 in FY2025; up 3 since FY2022.
12	ATI Government Solutions LLC Top agencies DOL (Department of Labor)	$20,000,000	1.0%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and not on the FY2025 list; new.
13	Echelon Services, LLC Top agencies DCSA (Defense Counterintelligence and Security Agency)	$19,707,487	1.0%	Rank history: not on the FY2021 list, #6 in FY2022, #33 in FY2024 and not on the FY2025 list; down 7 since FY2022.
14	Aretecsbd LLC Top agencies DHS (Department of Homeland Security)	$19,117,877	1.0%	Rank history: not on the FY2021 list, #50 in FY2022, #17 in FY2024 and #18 in FY2025; up 36 since FY2022.
15	Cloud Lake Technology LLC Top agencies Army (Department of the Army)	$17,212,693	0.9%	Rank history: not on the FY2021–FY2022 lists, #13 in FY2024 and #13 in FY2025; up 98 since FY2022.
16	Western Door Federal, LLC Top agencies DHA (Defense Health Agency)	$16,588,380	0.8%	Rank history: not on the FY2021 list, #71 in FY2022, #27 in FY2024 and #31 in FY2025; up 55 since FY2022.
17	HP Enterprise Services LLC 3 awardees, including Peraton Technology Services Inc., Peraton Inc. and Peraton Enterprise Solutions LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$16,208,604	0.8%	Rank history: #5 in FY2021, #7 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
18	Foxhole Technology LLC Top agencies DHS (Department of Homeland Security) DOT (Department of Transportation)	$15,666,213	0.8%	Rank history: #9 in FY2021, #13 in FY2022, #22 in FY2024 and #19 in FY2025; down 5 since FY2022.
19	Softek Feditc LLC Top agencies DHS (Department of Homeland Security)	$15,664,446	0.8%	Rank history: #20 in FY2021, #12 in FY2022 and not on the FY2024–FY2025 lists; down 7 since FY2022.
20	Xtec, Incorporated Top agencies GSA (General Services Administration) DHS (Department of Homeland Security)	$15,131,872	0.8%	Rank history: not on the FY2021 list, #79 in FY2022 and not on the FY2024–FY2025 lists; up 59 since FY2022.
21	Accenture Inc. Through Accenture Federal Services LLC Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$15,073,842	0.8%	Rank history: not on the FY2021 list, #30 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
22	Agile-Bot II LLC Top agencies Navy (Department of the Navy)	$14,985,000	0.8%	Rank history: #14 in FY2021, #15 in FY2022, #26 in FY2024 and #26 in FY2025; down 7 since FY2022.
23	Teksynap Corporation Top agencies DTRA (Defense Threat Reduction Agency) DLA (Defense Logistics Agency) Commerce (Department of Commerce)	$14,661,618	0.8%	Rank history: not on the FY2021 list, #40 in FY2022, #21 in FY2024 and #32 in FY2025; up 17 since FY2022.
24	Valiant Solutions LLC Top agencies ED (Department of Education) PBGC (Pension Benefit Guaranty Corporation)	$14,518,016	0.7%	Rank history: not on the FY2021–FY2022 lists, #12 in FY2024 and #10 in FY2025; new.
25	Saliense Consulting LLC Top agencies DHS (Department of Homeland Security)	$13,749,586	0.7%	Rank history: #12 in FY2021, #10 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
26	Skyepoint Decisions, Inc. Top agencies ED (Department of Education)	$13,708,016	0.7%	Rank history: #50 in FY2021, #26 in FY2022, #23 in FY2024 and #30 in FY2025; unchanged since FY2022.
27	Innovative Management Concepts, Inc. Top agencies HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$12,189,188	0.6%	Rank history: #90 in FY2021, #44 in FY2022, #19 in FY2024 and not on the FY2025 list; up 17 since FY2022.
28	Sierra 7 Inc Through Sierra7, Inc. Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$11,347,894	0.6%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
29	Oasis Systems, LLC Top agencies NRC (Nuclear Regulatory Commission) DHS (Department of Homeland Security)	$11,284,963	0.6%	Rank history: #79 in FY2021, #57 in FY2022, #42 in FY2024 and #41 in FY2025; up 28 since FY2022.
30	Resource Management Concepts, Inc. Top agencies Navy (Department of the Navy)	$11,226,185	0.6%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2024 and #5 in FY2025; up 335 since FY2022.
31	Electrosoft Services Inc. Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) NMB (National Mediation Board)	$11,205,688	0.6%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2024 and #28 in FY2025; up 228 since FY2022.
32	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$9,813,283	0.5%	Rank history: #6 in FY2021, #33 in FY2022, not on the FY2024 list and #37 in FY2025; up 1 since FY2022.
33	FCN, Inc. Top agencies DOT (Department of Transportation) DISA (Defense Information Systems Agency) Treasury (Department of the Treasury)	$9,804,663	0.5%	Rank history: not on the FY2021 list, #23 in FY2022, #39 in FY2024 and #83 in FY2025; down 10 since FY2022.
34	Sysnet Technologies, Inc. Top agencies DOT (Department of Transportation)	$9,684,009	0.5%	Rank history: #28 in FY2021, #48 in FY2022, #36 in FY2024 and #20 in FY2025; up 14 since FY2022.
35	Zermount, Inc. Top agencies DHS (Department of Homeland Security)	$9,490,216	0.5%	Rank history: #30 in FY2021, #46 in FY2022, #35 in FY2024 and #39 in FY2025; up 11 since FY2022.
36	Assyst Inc. Top agencies HHS (Department of Health and Human Services)	$9,335,634	0.5%	Rank history: not on the FY2021–FY2022 lists, #25 in FY2024 and #22 in FY2025; new.
37	Cyber Security Innovations LLC Top agencies DHS (Department of Homeland Security)	$8,953,344	0.5%	Rank history: not on the FY2021 list, #37 in FY2022, #48 in FY2024 and #65 in FY2025; unchanged since FY2022.
38	Silosmashers, Inc. Top agencies DHS (Department of Homeland Security)	$8,674,769	0.4%	Rank history: #22 in FY2021, #25 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
39	Alliantcorps, LLC Top agencies USSOCOM (United States Special Operations Command)	$8,393,745	0.4%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2024 and not on the FY2025 list; new.
40	First Information Technology Services, Inc. Top agencies DHS (Department of Homeland Security)	$8,385,130	0.4%	Rank history: not on the FY2021 list, #65 in FY2022 and not on the FY2024–FY2025 lists; up 25 since FY2022.
41	Thundercat Technology LLC Top agencies DHS (Department of Homeland Security) FTC (Federal Trade Commission) DOL (Department of Labor)	$8,075,478	0.4%	Rank history: #13 in FY2021, #20 in FY2022, #34 in FY2024 and #36 in FY2025; down 21 since FY2022.
42	Obsidian Global, LLC Top agencies ED (Department of Education) EPA (Environmental Protection Agency)	$7,810,606	0.4%	Rank history: #95 in FY2021, #27 in FY2022, #15 in FY2024 and #27 in FY2025; down 15 since FY2022.
43	Agile Decision Sciences, LLC Top agencies DCSA (Defense Counterintelligence and Security Agency)	$7,778,525	0.4%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2024 and not on the FY2025 list; new.
44	Information Systems Solutions, Inc. Top agencies Navy (Department of the Navy)	$7,535,000	0.4%	Rank history: not on the FY2021 list, #38 in FY2022, #30 in FY2024 and #38 in FY2025; down 6 since FY2022.
45	Yahya Technologies LLC Top agencies SBA (Small Business Administration)	$7,479,384	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
46	XOR Security LLC Top agencies DHS (Department of Homeland Security) PCLOB (Privacy and Civil Liberties Oversight Board)	$7,473,318	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
47	Criterion Systems, L.L.C. Top agencies DOT (Department of Transportation) NSF (National Science Foundation)	$7,390,789	0.4%	Rank history: #85 in FY2021, #85 in FY2022, #46 in FY2024 and #84 in FY2025; up 38 since FY2022.
48	Csios Corporation Top agencies USTRANSCOM (Department of Defense United States Transportation Command)	$7,368,119	0.4%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2024 and #48 in FY2025; up 104 since FY2022.
49	Po`okela Solutions, LLC Top agencies Army (Department of the Army)	$7,356,235	0.4%	Rank history: #23 in FY2021, #39 in FY2022, #28 in FY2024 and #17 in FY2025; down 10 since FY2022.
50	J2X Technologies LLC Through Excel Technologies, LLC Top agencies USDA (Department of Agriculture)	$6,961,272	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
51	Mindpoint Group LLC Top agencies Treasury (Department of the Treasury)	$6,857,619	0.4%	Rank history: #25 in FY2021, not on the FY2022 list, #55 in FY2024 and #50 in FY2025; up 182 since FY2022.
52	Clarity Innovations LLC Top agencies Army (Department of the Army)	$6,794,678	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 158 since FY2022.
53	Customer Value Partners, LLC Top agencies HHS (Department of Health and Human Services)	$6,675,284	0.3%	Rank history: #80 in FY2021, #28 in FY2022, #64 in FY2024 and #60 in FY2025; down 25 since FY2022.
54	Metronome LLC Top agencies Army (Department of the Army)	$6,599,656	0.3%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2024 and not on the FY2025 list; new.
55	The One 23 Group Inc. Top agencies DHS (Department of Homeland Security)	$6,469,202	0.3%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and #58 in FY2025; new.
56	Compass Federal Consulting Limited Liability Company Top agencies HHS (Department of Health and Human Services)	$6,418,904	0.3%	Rank history: not on the FY2021 list, #73 in FY2022, #79 in FY2024 and #89 in FY2025; up 17 since FY2022.
57	Epoch Concepts LLC Top agencies VA (Department of Veterans Affairs)	$6,413,369	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
58	Veterans EZ Info Inc. Top agencies VA (Department of Veterans Affairs)	$6,175,338	0.3%	Rank history: #31 in FY2021, #49 in FY2022 and not on the FY2024–FY2025 lists; down 9 since FY2022.
59	The IQ Business Group (PTY) Ltd Through The IQ Business Group, Inc. Top agencies DOI (Department of the Interior)	$5,964,768	0.3%	Rank history: #16 in FY2021, #35 in FY2022, #95 in FY2024 and not on the FY2025 list; down 24 since FY2022.
60	Motorola Inc Through Motorola Solutions, Inc. Top agencies DOJ (Department of Justice)	$5,751,046	0.3%	Rank history: not on the FY2021 list, #52 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
61	Aquarian Systems LLC Top agencies DOS (Department of State)	$5,746,581	0.3%	Rank history: #71 in FY2021, #96 in FY2022, #65 in FY2024 and #79 in FY2025; up 35 since FY2022.
62	Insignia Technology Services, LLC Top agencies VA (Department of Veterans Affairs)	$5,456,640	0.3%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2024 and #75 in FY2025; new.
63	Omni Fed LLC Top agencies Army (Department of the Army)	$5,372,113	0.3%	Rank history: #64 in FY2021, #60 in FY2022 and not on the FY2024–FY2025 lists; down 3 since FY2022.
64	Tacg, LLC Top agencies HHS (Department of Health and Human Services)	$5,339,043	0.3%	Rank history: #45 in FY2021, #56 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
65	EDC Consulting LLC Through Mclane Advanced Technologies LLC Top agencies DOE (Department of Energy)	$5,288,686	0.3%	Rank history: #35 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
66	Cybernamic LLC Top agencies DHS (Department of Homeland Security)	$5,160,168	0.3%	Rank history: not on the FY2021 list, #31 in FY2022, #84 in FY2024 and not on the FY2025 list; down 35 since FY2022.
67	Horizon Industries, Limited Top agencies DLA (Defense Logistics Agency)	$4,862,110	0.2%	Rank history: not on the FY2021 list, #68 in FY2022, #41 in FY2024 and #54 in FY2025; up 1 since FY2022.
68	Cask Technologies, LLC Top agencies Navy (Department of the Navy)	$4,782,713	0.2%	Rank history: not on the FY2021 list, #59 in FY2022, #81 in FY2024 and #87 in FY2025; down 9 since FY2022.
69	Oracle Corporation Through Oracle America, Inc. Top agencies USAF (Department of the Air Force)	$4,614,978	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	Integrated Security Technologies, Inc. Top agencies DOE (Department of Energy)	$4,411,984	0.2%	Rank history: #97 in FY2021, #67 in FY2022, #54 in FY2024 and #56 in FY2025; down 3 since FY2022.
71	Asrc Federal Data Networx, LLC Top agencies Commerce (Department of Commerce)	$4,321,329	0.2%	Rank history: #46 in FY2021, #75 in FY2022, #88 in FY2024 and not on the FY2025 list; up 4 since FY2022.
72	ICF International, Inc. 2 awardees, including ICF Incorporated, L.L.C. and Creative Systems and Consulting L.L.C. Top agencies SSA (Social Security Administration) USDA (Department of Agriculture)	$4,286,952	0.2%	Rank history: #60 in FY2021, #64 in FY2022 and not on the FY2024–FY2025 lists; down 8 since FY2022.
73	Kingfisher Systems, Inc. Top agencies DOT (Department of Transportation)	$4,284,788	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 106 since FY2022.
74	Accelgov LLC Top agencies Navy (Department of the Navy) DFC (International Development Finance Corporation)	$4,227,226	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #49 in FY2025; new.
75	World Wide Technology LLC Top agencies DOE (Department of Energy) Army (Department of the Army)	$4,220,543	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Coalfire Systems, Inc. Through Veris Group, LLC Top agencies HHS (Department of Health and Human Services)	$3,828,190	0.2%	Rank history: #100 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 60 since FY2022.
77	Reli Group Inc Top agencies HHS (Department of Health and Human Services)	$3,704,999	0.2%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2024 and not on the FY2025 list; new.
78	Chevo LLC Top agencies DHS (Department of Homeland Security)	$3,694,898	0.2%	Rank history: not on the FY2021 list, #61 in FY2022, not on the FY2024 list and #98 in FY2025; down 17 since FY2022.
79	Dell Federal Systems L.P. 2 awardees, including Dell Marketing L.P. Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services) DOT (Department of Transportation)	$3,649,788	0.2%	Rank history: not on the FY2021 list, #72 in FY2022 and not on the FY2024–FY2025 lists; down 7 since FY2022.
80	Sugpiat Defense, LLC Top agencies ED (Department of Education)	$3,610,696	0.2%	Rank history: #58 in FY2021, not on the FY2022 list, #94 in FY2024 and not on the FY2025 list; up 26 since FY2022.
81	Solutions By Design II, LLC Top agencies DHS (Department of Homeland Security)	$3,586,427	0.2%	Rank history: not on the FY2021 list, #21 in FY2022 and not on the FY2024–FY2025 lists; down 60 since FY2022.
82	Breakpoint Labs LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$3,552,407	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	Nippon Telegraph and Telephone Corporation Through NTT Data Federal Services, Inc. Top agencies DOJ (Department of Justice)	$3,522,356	0.2%	Rank history: #15 in FY2021, #24 in FY2022 and not on the FY2024–FY2025 lists; down 59 since FY2022.
84	Attainx Inc. Top agencies DODEA (Department of Defense Education Activity)	$3,451,831	0.2%	Rank history: not on the FY2021 list, #86 in FY2022, #85 in FY2024 and #90 in FY2025; up 2 since FY2022.
85	Supinf Technologies LLC Top agencies USAF (Department of the Air Force)	$3,352,355	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	H.i.g. Capital Management Inc. 2 awardees, including Empower AI, Inc. and Iron Bow Technologies, LLC Top agencies Army (Department of the Army) DOE (Department of Energy)	$3,319,593	0.2%	Rank history: not on the FY2021 list, #82 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
87	RTL Networks, Inc. Top agencies Navy (Department of the Navy)	$3,170,843	0.2%	Rank history: #55 in FY2021, #77 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
88	Strategic Data Systems, Inc. Top agencies Navy (Department of the Navy)	$3,167,935	0.2%	Rank history: #56 in FY2021, #83 in FY2022 and not on the FY2024–FY2025 lists; down 5 since FY2022.
89	Global Solutions Group Inc. Top agencies DOI (Department of the Interior) Treasury (Department of the Treasury)	$3,155,124	0.2%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2024 and not on the FY2025 list; new.
90	Martinfederal Consulting LLC Top agencies DOJ (Department of Justice)	$3,064,349	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Xgility LLC Top agencies OPM (Office of Personnel Management)	$3,060,985	0.2%	Rank history: not on the FY2021–FY2022 lists, #80 in FY2024 and not on the FY2025 list; new.
92	Tetrad Digital Integrity LLC Top agencies Navy (Department of the Navy)	$3,023,352	0.2%	Rank history: #49 in FY2021, #91 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
93	Zero Trust LLC Top agencies HHS (Department of Health and Human Services)	$2,987,472	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
94	Synergist JV LLC Top agencies DHS (Department of Homeland Security)	$2,983,166	0.2%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2024 and #23 in FY2025; up 70 since FY2022.
95	AA Consulting Top agencies FCC (Federal Communications Commission)	$2,828,285	0.1%	Rank history: not on the FY2021 list, #84 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
96	Linktec LLC Top agencies DHS (Department of Homeland Security)	$2,773,612	0.1%	Rank history: not on the FY2021 list, #36 in FY2022 and not on the FY2024–FY2025 lists; down 60 since FY2022.
97	Advanced Computer Concepts, Inc. Top agencies DOT (Department of Transportation) Commerce (Department of Commerce)	$2,771,626	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 30 since FY2022.
98	Norseman Inc. Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) DODEA (Department of Defense Education Activity)	$2,733,495	0.1%	Rank history: #77 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 24 since FY2022.
99	VMD Systems Integrators, LLC Top agencies DHS (Department of Homeland Security)	$2,718,216	0.1%	Rank history: #81 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
100	Intellect Solutions, LLC Top agencies Treasury (Department of the Treasury)	$2,605,942	0.1%	Rank history: not on the FY2021 list, #94 in FY2022 and not on the FY2024–FY2025 lists; down 6 since FY2022.

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100 of 449 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC DJ

Code	Net obligations	Largest contractor
DJ01 IT and Telecom – Security and Compliance Support Services (Labor)	$1,585,980,713	Leidos Holdings, Inc.
DJ10 IT and Telecom – Security and Compliance as a Service	$327,830,469	ATI Government Solutions 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 $1.95 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 PSC DJ contractors in FY2023?

1. Leidos Holdings, Inc. ($669M), 2. On Assignment, Inc. ($97.2M), 3. Deloitte LLP ($67M), 4. Booz Allen Hamilton Holding Corporation ($44.6M), 5. Strategic Enterprise Solutions Inc. ($36.7M), 6. Arctic Slope Regional Corporation ($32.2M), 7. Carahsoft Technology Corp ($26M), 8. Deloitte Consulting LLP ($25.7M), 9. Dynamo Technologies, LLC ($25.2M), 10. Maveris LLC ($22.4M).

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