Top 100 Contractors in PSC DJ10: IT and Telecom – Security and Compliance as a Service, FY2023

Name: Top 100 Contractors in PSC DJ10: IT and Telecom – Security and Compliance as a Service, FY2023
Creator: GovTribe

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

The top 10 won 38% of FY2023 PSC DJ10 contract dollars

Contract obligations: $327,830,469 Net of deobligations, by contracts coded PSC DJ10
Contractors: 232 Parent companies with an obligation
Largest contractor: ATI Government Solutions LLC $20 million, 5.8% 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	ATI Government Solutions LLC Top agencies DOL (Department of Labor)	$20,000,000	5.8%	Rank history: not on the FY2021–FY2022 lists, #29 in FY2024 and not on the FY2025 list; new.
2	Western Door Federal, LLC Top agencies DHA (Defense Health Agency)	$16,588,380	4.8%	Rank history: not on the FY2021 list, #22 in FY2022, #9 in FY2024 and #8 in FY2025; up 20 since FY2022.
3	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies Treasury (Department of the Treasury) Navy (Department of the Navy)	$14,552,889	4.2%	Rank history: not on the FY2021 list, #68 in FY2022, #10 in FY2024 and #1 in FY2025; up 65 since FY2022.
4	Leidos Holdings, Inc. Through Leidos, Inc. Top agencies DHS (Department of Homeland Security)	$14,201,396	4.1%	Rank history: #1 in FY2021, #2 in FY2022, #28 in FY2024 and #3 in FY2025; down 2 since FY2022.
5	On Assignment, Inc. 2 awardees, including Iron Vine Security LLC and Indrasoft Inc. Top agencies ED (Department of Education) DHRA (Defense Human Resources Activity)	$13,735,035	4.0%	Rank history: #12 in FY2021, #51 in FY2022, #77 in FY2024 and not on the FY2025 list; up 46 since FY2022.
6	Skyepoint Decisions, Inc. Top agencies ED (Department of Education)	$13,708,016	3.9%	Rank history: #16 in FY2021, #7 in FY2022, #7 in FY2024 and #7 in FY2025; up 1 since FY2022.
7	FCN, Inc. 2 awardees Top agencies DOT (Department of Transportation) Treasury (Department of the Treasury) DISA (Defense Information Systems Agency)	$10,409,854	3.0%	Rank history: #50 in FY2021, #5 in FY2022, #13 in FY2024 and #28 in FY2025; down 2 since FY2022.
8	Innovative Management Concepts, Inc. Top agencies HHS (Department of Health and Human Services)	$10,332,677	3.0%	Rank history: not on the FY2021 list, #18 in FY2022, #8 in FY2024 and #71 in FY2025; up 10 since FY2022.
9	Sysnet Technologies, Inc. Top agencies DOT (Department of Transportation)	$9,684,009	2.8%	Rank history: #9 in FY2021, #15 in FY2022, #12 in FY2024 and #11 in FY2025; up 6 since FY2022.
10	Cyber Security Innovations LLC Top agencies DHS (Department of Homeland Security)	$8,953,344	2.6%	Rank history: not on the FY2021 list, #11 in FY2022, #16 in FY2024 and #23 in FY2025; up 1 since FY2022.
11	ZEN Strategics LLC Top agencies ED (Department of Education)	$8,556,012	2.5%	Rank history: #17 in FY2021, #3 in FY2022, #4 in FY2024 and #12 in FY2025; down 8 since FY2022.
12	Carahsoft Technology Corp Top agencies GSA (General Services Administration) DODEA (Department of Defense Education Activity) USSOCOM (United States Special Operations Command)	$8,225,485	2.4%	Rank history: #11 in FY2021, #19 in FY2022, #32 in FY2024 and #32 in FY2025; up 7 since FY2022.
13	Saliense Consulting LLC Top agencies DHS (Department of Homeland Security)	$7,875,506	2.3%	Rank history: #4 in FY2021, #9 in FY2022, #44 in FY2024 and not on the FY2025 list; down 4 since FY2022.
14	Thundercat Technology LLC Top agencies DHS (Department of Homeland Security) DOL (Department of Labor) Commerce (Department of Commerce)	$7,497,719	2.2%	Rank history: #3 in FY2021, #4 in FY2022, #11 in FY2024 and #9 in FY2025; down 10 since FY2022.
15	Csios Corporation Top agencies USTRANSCOM (Department of Defense United States Transportation Command)	$7,368,119	2.1%	Rank history: not on the FY2021 list, #63 in FY2022, #17 in FY2024 and #19 in FY2025; up 48 since FY2022.
16	Po`okela Solutions, LLC Top agencies Army (Department of the Army)	$7,356,235	2.1%	Rank history: #7 in FY2021, #12 in FY2022, #20 in FY2024 and #16 in FY2025; down 4 since FY2022.
17	Obsidian Global, LLC Top agencies ED (Department of Education)	$7,315,606	2.1%	Rank history: #36 in FY2021, #8 in FY2022, #3 in FY2024 and #10 in FY2025; down 9 since FY2022.
18	Maveris LLC Top agencies VA (Department of Veterans Affairs)	$6,951,878	2.0%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2024 and #21 in FY2025; new.
19	Arctic Slope Regional Corporation Through Netcentric Technology, LLC Top agencies DHRA (Defense Human Resources Activity)	$5,739,403	1.7%	Rank history: #2 in FY2021, #6 in FY2022, #5 in FY2024 and #5 in FY2025; down 13 since FY2022.
20	Electrosoft Services Inc. Top agencies USAF (Department of the Air Force)	$5,102,199	1.5%	Rank history: not on the FY2021 list, #92 in FY2022, #24 in FY2024 and #20 in FY2025; up 72 since FY2022.
21	Cask Technologies, LLC Top agencies Navy (Department of the Navy)	$4,782,713	1.4%	Rank history: not on the FY2021 list, #17 in FY2022, #30 in FY2024 and #30 in FY2025; down 4 since FY2022.
22	Epoch Concepts LLC Top agencies VA (Department of Veterans Affairs)	$4,663,374	1.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
23	Oracle Corporation Through Oracle America, Inc. Top agencies USAF (Department of the Air Force)	$4,614,978	1.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
24	Sugpiat Defense, LLC Top agencies ED (Department of Education)	$3,610,696	1.0%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2024 and not on the FY2025 list; new.
25	Deloitte LLP 2 awardees, including Deloitte Consulting LLP Top agencies DOT (Department of Transportation) DOL (Department of Labor)	$3,574,365	1.0%	Rank history: not on the FY2021 list, #34 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
26	Attainx Inc. Top agencies DODEA (Department of Defense Education Activity)	$3,451,831	1.0%	Rank history: not on the FY2021 list, #29 in FY2022, #33 in FY2024 and #33 in FY2025; up 3 since FY2022.
27	Supinf Technologies LLC Top agencies USAF (Department of the Air Force)	$3,352,355	1.0%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
28	RTL Networks, Inc. Top agencies Navy (Department of the Navy)	$3,170,843	0.9%	Rank history: #19 in FY2021, #25 in FY2022, #39 in FY2024 and #24 in FY2025; down 3 since FY2022.
29	Tetrad Digital Integrity LLC Top agencies Navy (Department of the Navy)	$3,023,352	0.9%	Rank history: #15 in FY2021, #32 in FY2022, #42 in FY2024 and #38 in FY2025; up 3 since FY2022.
30	Criterion Systems, L.L.C. Top agencies DOT (Department of Transportation) NSF (National Science Foundation)	$2,963,731	0.9%	Rank history: #72 in FY2021, #78 in FY2022, #23 in FY2024 and #43 in FY2025; up 48 since FY2022.
31	Foxhole Technology LLC Top agencies DOT (Department of Transportation)	$2,962,795	0.9%	Rank history: #46 in FY2021, #24 in FY2022, #38 in FY2024 and #39 in FY2025; down 7 since FY2022.
32	Advanced Computer Concepts, Inc. Top agencies DOT (Department of Transportation) Commerce (Department of Commerce)	$2,771,626	0.8%	Rank history: not on the FY2021 list, #49 in FY2022, not on the FY2024 list and #77 in FY2025; up 17 since FY2022.
33	Norseman Inc. Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) DODEA (Department of Defense Education Activity)	$2,733,495	0.8%	Rank history: #31 in FY2021, #54 in FY2022, #48 in FY2024 and #57 in FY2025; up 21 since FY2022.
34	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)	$2,535,172	0.7%	Rank history: #56 in FY2021, #23 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
35	B & M Consulting Group Inc. Top agencies USDA (Department of Agriculture)	$2,525,447	0.7%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2024 and #34 in FY2025; new.
36	Longeviti LLC Top agencies Navy (Department of the Navy)	$2,482,813	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
37	Diligent Consulting, Inc. Top agencies USAF (Department of the Air Force)	$2,436,971	0.7%	Rank history: not on the FY2021 list, #37 in FY2022, #45 in FY2024 and #42 in FY2025; unchanged since FY2022.
38	Dev Technology Group Inc. Top agencies DHS (Department of Homeland Security)	$2,256,152	0.6%	Rank history: #20 in FY2021, #35 in FY2022, #52 in FY2024 and #48 in FY2025; down 3 since FY2022.
39	Breakpoint Labs LLC Top agencies Army (Department of the Army)	$2,112,426	0.6%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2024 and not on the FY2025 list; new.
40	Enprovera Corp Top agencies DOJ (Department of Justice)	$2,064,804	0.6%	Rank history: not on the FY2021 list, #50 in FY2022, #60 in FY2024 and #52 in FY2025; up 10 since FY2022.
41	ICF International, Inc. Through Creative Systems and Consulting L.L.C. Top agencies USDA (Department of Agriculture)	$2,036,813	0.6%	Rank history: not on the FY2021 list, #41 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
42	Iqvia Government Solutions Inc Top agencies DHA (Defense Health Agency)	$1,902,636	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
43	Alpha Omega Integration LLC Top agencies Commerce (Department of Commerce)	$1,877,862	0.5%	Rank history: #26 in FY2021, #48 in FY2022, #61 in FY2024 and #53 in FY2025; up 5 since FY2022.
44	Four LLC Top agencies USSOCOM (United States Special Operations Command) DOT (Department of Transportation) GSA (General Services Administration)	$1,868,258	0.5%	Rank history: #38 in FY2021, #61 in FY2022, #98 in FY2024 and #100 in FY2025; up 17 since FY2022.
45	Unami LLC Top agencies USAF (Department of the Air Force)	$1,714,859	0.5%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2024 and #55 in FY2025; new.
46	Executive Information Systems, L.L.C. Top agencies SSA (Social Security Administration) DOJ (Department of Justice)	$1,692,963	0.5%	Rank history: #30 in FY2021, #55 in FY2022, #59 in FY2024 and #65 in FY2025; up 9 since FY2022.
47	L3Harris Technologies, Inc. Top agencies Army (Department of the Army)	$1,657,772	0.5%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2024 and #81 in FY2025; new.
48	Swish Data Corporation Top agencies VA (Department of Veterans Affairs) FMCS (Federal Mediation and Conciliation Service)	$1,595,752	0.5%	Rank history: not on the FY2021 list, #76 in FY2022, #65 in FY2024 and #44 in FY2025; up 28 since FY2022.
49	August Schell Enterprises, Inc. Top agencies Commerce (Department of Commerce) DOJ (Department of Justice)	$1,423,273	0.4%	Rank history: #33 in FY2021, #58 in FY2022, not on the FY2024 list and #99 in FY2025; up 9 since FY2022.
50	Goldbelt, Incorporated Through Goldbelt Hawk L.L.C. Top agencies Commerce (Department of Commerce)	$1,382,661	0.4%	Rank history: not on the FY2021 list, #95 in FY2022 and not on the FY2024–FY2025 lists; up 45 since FY2022.
51	Trace3 Government, LLC Top agencies USAF (Department of the Air Force)	$1,350,664	0.4%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2024 and #61 in FY2025; new.
52	Invictus JV, LLC Top agencies USAF (Department of the Air Force)	$1,241,127	0.4%	Rank history: not on the FY2021 list, #70 in FY2022, #78 in FY2024 and #73 in FY2025; up 18 since FY2022.
53	Kingfisher Systems, Inc. Top agencies DOT (Department of Transportation)	$1,198,129	0.3%	Rank history: #75 in FY2021, #77 in FY2022, #85 in FY2024 and not on the FY2025 list; up 24 since FY2022.
54	Teksynap Corporation Top agencies Commerce (Department of Commerce)	$1,185,522	0.3%	Rank history: not on the FY2021 list, #62 in FY2022, #74 in FY2024 and #68 in FY2025; up 8 since FY2022.
55	Arrow Electronics, Inc. Through EC America, Inc. Top agencies DTRA (Defense Threat Reduction Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$1,150,604	0.3%	Rank history: #63 in FY2021, #47 in FY2022, #64 in FY2024 and #59 in FY2025; down 8 since FY2022.
56	XOR Security LLC Top agencies PCLOB (Privacy and Civil Liberties Oversight Board)	$1,126,895	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
57	Govsmart, Inc. Top agencies USAGM (US Agency for Global Media) Commerce (Department of Commerce) Peace Corps	$1,125,209	0.3%	Rank history: not on the FY2021 list, #67 in FY2022, #79 in FY2024 and #25 in FY2025; up 10 since FY2022.
58	The American Association of Motor Vehicle Administrators Top agencies GSA (General Services Administration)	$1,110,047	0.3%	Rank history: #42 in FY2021, #59 in FY2022, not on the FY2024 list and #46 in FY2025; up 1 since FY2022.
59	Software Information Resource Corp Top agencies DHS (Department of Homeland Security) Peace Corps Commerce (Department of Commerce)	$1,109,515	0.3%	Rank history: not on the FY2021–FY2022 lists, #40 in FY2024 and #51 in FY2025; new.
60	Dynamic Government Resources LLC Top agencies DHS (Department of Homeland Security)	$1,105,514	0.3%	Rank history: not on the FY2021 list, #39 in FY2022 and not on the FY2024–FY2025 lists; down 21 since FY2022.
61	Standard-Blazar, LLC Top agencies VA (Department of Veterans Affairs)	$1,057,442	0.3%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2024 and #56 in FY2025; new.
62	RTX Corporation 2 awardees, including Everfox LLC Top agencies DCSA (Defense Counterintelligence and Security Agency) Navy (Department of the Navy)	$1,030,731	0.3%	Rank history: not on the FY2021 list, #75 in FY2022, #84 in FY2024 and not on the FY2025 list; up 13 since FY2022.
63	Paragon Micro Inc. Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy)	$1,014,158	0.3%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2024 and #89 in FY2025; new.
64	Integration Technologies Group, Inc. Top agencies DTRA (Defense Threat Reduction Agency) DOI (Department of the Interior)	$1,000,835	0.3%	Rank history: #62 in FY2021, #46 in FY2022, #80 in FY2024 and #83 in FY2025; down 18 since FY2022.
65	Fedbiz It Solutions LLC Top agencies SEC (Securities and Exchange Commission) USAF (Department of the Air Force) Commerce (Department of Commerce)	$934,848	0.3%	Rank history: not on the FY2021 list, #83 in FY2022 and not on the FY2024–FY2025 lists; up 18 since FY2022.
66	Four Points Technology, L.L.C. Top agencies USSOCOM (United States Special Operations Command) DTRA (Defense Threat Reduction Agency) VA (Department of Veterans Affairs)	$891,253	0.3%	Rank history: #86 in FY2021, #52 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
67	Cyber Security Solutions LLC Top agencies EXIM (Export Import Bank of the US)	$835,646	0.2%	Rank history: not on the FY2021 list, #71 in FY2022, #83 in FY2024 and #76 in FY2025; up 4 since FY2022.
68	Colossal Contracting LLC Top agencies Commerce (Department of Commerce) VA (Department of Veterans Affairs) DOE (Department of Energy)	$807,583	0.2%	Rank history: not on the FY2021 list, #42 in FY2022, #49 in FY2024 and #17 in FY2025; down 26 since FY2022.
69	Anacapa Micro Products Inc Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$771,355	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #70 in FY2025; new.
70	Govplace, LLC Top agencies DHS (Department of Homeland Security) GSA (General Services Administration)	$763,594	0.2%	Rank history: #74 in FY2021, #89 in FY2022, #76 in FY2024 and #82 in FY2025; up 19 since FY2022.
71	Automattic Inc. Top agencies EOP (Executive Office of the President)	$755,970	0.2%	Rank history: not on the FY2021 list, #74 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
72	Maximus Inc. Through Maximus Federal Technology Solutions, LLC Top agencies DOT (Department of Transportation)	$742,522	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
73	L3HARRIS Aviation Products Inc Through L3Harris Technologies, Inc. Top agencies Army (Department of the Army)	$719,144	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	4 Star Technologies, Inc. Top agencies USSOCOM (United States Special Operations Command) NASA (National Aeronautics and Space Administration) Commerce (Department of Commerce)	$711,692	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 92 since FY2022.
75	Science Applications International Corporation Through Halfaker and Associates, LLC Top agencies HHS (Department of Health and Human Services)	$699,824	0.2%	Rank history: not on the FY2021 list, #82 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
76	Deloitte Consulting LLP Top agencies DOL (Department of Labor)	$627,330	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
77	Blue TECH Inc. Top agencies Commerce (Department of Commerce) Peace Corps Army (Department of the Army)	$570,163	0.2%	Rank history: #61 in FY2021, #66 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
78	Cherokee Nation System Solutions LLC Top agencies DOI (Department of the Interior)	$567,832	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
79	Xtec, Incorporated Top agencies DHS (Department of Homeland Security)	$544,413	0.2%	Rank history: not on the FY2021 list, #28 in FY2022 and not on the FY2024–FY2025 lists; down 51 since FY2022.
80	JOD Enterprises, Inc. Top agencies DOJ (Department of Justice)	$540,000	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
81	New TECH Solutions, Inc. Top agencies DODEA (Department of Defense Education Activity) Navy (Department of the Navy) OSD (Office of the Secretary of Defense)	$525,827	0.2%	Rank history: #49 in FY2021, #72 in FY2022, #73 in FY2024 and not on the FY2025 list; down 9 since FY2022.
82	Infinity Technology Services LLC Top agencies MDA (DOD Missile Defense Agency)	$515,000	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
83	TDMK Digital LLC Top agencies DHA (Defense Health Agency)	$511,965	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	Enterprise Technology Solutions, Inc. Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$490,370	0.1%	Rank history: #58 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 42 since FY2022.
85	Argonne Ridge Group, LLC Top agencies DTRA (Defense Threat Reduction Agency)	$486,624	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Fedtec LLC Top agencies USAF (Department of the Air Force)	$483,583	0.1%	Rank history: not on the FY2021 list, #88 in FY2022, not on the FY2024 list and #95 in FY2025; up 2 since FY2022.
87	Qbase, LLC Top agencies OSD (Office of the Secretary of Defense)	$463,169	0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #97 in FY2024 and #96 in FY2025; up 11 since FY2022.
88	Redhawk It Solutions, LLC Top agencies VA (Department of Veterans Affairs) DOE (Department of Energy) Smithsonian (Smithsonian Institution)	$439,197	0.1%	Rank history: #60 in FY2021, #91 in FY2022, #94 in FY2024 and #74 in FY2025; up 3 since FY2022.
89	Xentit, LLC Top agencies DOJ (Department of Justice)	$434,447	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
90	Global Solutions Group Inc. Top agencies Treasury (Department of the Treasury)	$433,037	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Government Marketing and Procurement, LLC Top agencies VA (Department of Veterans Affairs)	$424,590	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	Sengex LLC Top agencies USSOCOM (United States Special Operations Command)	$386,106	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 21 since FY2022.
93	Panum Telecom, L.L.C. Top agencies USDA (Department of Agriculture)	$351,667	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 11 since FY2022.
94	Trilogy Secured Services, L.l.c Top agencies DHS (Department of Homeland Security)	$335,382	0.1%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2024 and #41 in FY2025; new.
95	GC Associates Usa, LLC Top agencies USAF (Department of the Air Force)	$331,780	0.1%	Rank history: not on the FY2021 list, #96 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
96	Boecore, LLC Through La Jolla Logic LLC Top agencies Navy (Department of the Navy)	$328,440	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
97	Decisionpoint Corporation Top agencies DOI (Department of the Interior)	$323,284	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 20 since FY2022.
98	C & C International Computers & Consultants, Inc. Top agencies DHS (Department of Homeland Security)	$290,450	0.1%	Rank history: #79 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
99	Mayhew Technology Solutions LLC Top agencies Army (Department of the Army)	$287,512	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 52 since FY2022.
100	Broadleaf, Inc. Top agencies DODEA (Department of Defense Education Activity)	$279,972	0.1%	Rank history: not on the FY2021 list, #13 in FY2022, #25 in FY2024 and not on the FY2025 list; down 87 since FY2022.

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100 of 232 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 $348 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 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 DJ10 contractors in FY2023?

1. ATI Government Solutions LLC ($20M), 2. Western Door Federal, LLC ($16.6M), 3. Booz Allen Hamilton Holding Corporation ($14.6M), 4. Leidos Holdings, Inc. ($14.2M), 5. On Assignment, Inc. ($13.7M), 6. Skyepoint Decisions, Inc. ($13.7M), 7. FCN, Inc. ($10.4M), 8. Innovative Management Concepts, Inc. ($10.3M), 9. Sysnet Technologies, Inc. ($9.68M), 10. Cyber Security Innovations LLC ($8.95M).

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