Top 100 Contractors in PSC DF: IT and Telecom – IT Management, FY2022

Name: Top 100 Contractors in PSC DF: IT and Telecom – IT Management, FY2022
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2021 – Sep 30, 2022 Code page on GovTribe

The top 10 won 32% of FY2022 PSC DF contract dollars

Contract obligations: $2,803,949,435 Net of deobligations, by contracts coded PSC DF or a code under it
Contractors: 835 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $323 million, 11.3% 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. 5 awardees, including Leidos, Inc., 1901 Group, LLC and Leidos Digital Solutions Inc. Top agencies SSA (Social Security Administration) HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$323,448,716	11.3%	Rank history: #27 in FY2021, #1 in FY2023, #2 in FY2024 and #2 in FY2025; up 26 since FY2021.
2	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) DOL (Department of Labor)	$107,000,885	3.7%	Rank history: #5 in FY2021, #3 in FY2023, #4 in FY2024 and #4 in FY2025; up 3 since FY2021.
3	Accenture Federal Services LLC 2 awardees Top agencies HHS (Department of Health and Human Services) DOE (Department of Energy) DLA (Defense Logistics Agency)	$106,105,856	3.7%	Rank history: #1 in FY2021 and not on the FY2023–FY2025 lists; down 2 since FY2021.
4	Deloitte LLP 2 awardees, including Deloitte & Touche LLP and Deloitte Consulting LLP Top agencies Treasury (Department of the Treasury) HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$85,694,761	3.0%	Rank history: #3 in FY2021, #5 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2021.
5	Govcio, LLC Top agencies VA (Department of Veterans Affairs)	$67,463,149	2.4%	Rank history: not on the FY2021 list, #6 in FY2023, #7 in FY2024 and #10 in FY2025; new.
6	Science Applications International Corporation 2 awardees Top agencies DHS (Department of Homeland Security) USDA (Department of Agriculture) DOT (Department of Transportation)	$65,844,044	2.3%	Rank history: #4 in FY2021, #7 in FY2023, #8 in FY2024 and #7 in FY2025; down 2 since FY2021.
7	REI Systems Inc. 2 awardees Top agencies HHS (Department of Health and Human Services)	$46,458,848	1.6%	Rank history: #7 in FY2021, #11 in FY2023, #16 in FY2024 and #23 in FY2025; unchanged since FY2021.
8	Verizon Communications Inc. 3 awardees, including Verizon Business Network Services LLC, Cellco Partnership and Verizon New Jersey Inc. Top agencies DOJ (Department of Justice) Commerce (Department of Commerce) USAF (Department of the Air Force)	$42,821,139	1.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 352 since FY2021.
9	HP Enterprise Services LLC 2 awardees, including Peraton Inc. Top agencies HHS (Department of Health and Human Services) DLA (Defense Logistics Agency) DOS (Department of State)	$41,120,086	1.4%	Rank history: #13 in FY2021, #14 in FY2023 and not on the FY2024–FY2025 lists; up 4 since FY2021.
10	CGI Technologies and Solutions Inc. Through CGI Federal Inc. Top agencies DOJ (Department of Justice) HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$40,140,541	1.4%	Rank history: not on the FY2021 list, #10 in FY2023, #42 in FY2024 and not on the FY2025 list; up 280 since FY2021.
11	CACI International Inc. 4 awardees, including Caci, Inc. - Federal, Caci Nss, LLC and Caci Enterprise Solutions, LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$37,600,814	1.3%	Rank history: #11 in FY2021, #4 in FY2023, #5 in FY2024 and #5 in FY2025; unchanged since FY2021.
12	Accenture Inc. Through Accenture Federal Services LLC Top agencies DOE (Department of Energy) USDA (Department of Agriculture) DLA (Defense Logistics Agency)	$37,595,753	1.3%	Rank history: not on the FY2021 list, #2 in FY2023 and not on the FY2024–FY2025 lists; new.
13	General Dynamics Corporation Through General Dynamics Information Technology, Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice) Army (Department of the Army)	$37,286,323	1.3%	Rank history: #17 in FY2021, #9 in FY2023, #9 in FY2024 and #13 in FY2025; up 4 since FY2021.
14	Criterion Systems, L.L.C. Top agencies DOE (Department of Energy)	$37,067,628	1.3%	Rank history: #8 in FY2021, #8 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2021.
15	Arctic Slope Regional Corporation 2 awardees, including Asrc Federal Data Solutions, LLC and Asrc Federal System Solutions LLC Top agencies NASA (National Aeronautics and Space Administration)	$34,607,197	1.2%	Rank history: #9 in FY2021, #25 in FY2023, #12 in FY2024 and #12 in FY2025; down 6 since FY2021.
16	Digital Management LLC Top agencies HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$29,515,949	1.0%	Rank history: #16 in FY2021, #19 in FY2023, #23 in FY2024 and #28 in FY2025; unchanged since FY2021.
17	Dlh, LLC Top agencies HHS (Department of Health and Human Services)	$26,236,674	0.9%	Rank history: #12 in FY2021, #31 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2021.
18	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corporation Top agencies Army (Department of the Army) Treasury (Department of the Treasury)	$26,093,491	0.9%	Rank history: #6 in FY2021, #26 in FY2023, #34 in FY2024 and #52 in FY2025; down 12 since FY2021.
19	Jacobs Engineering Group Inc. Through Amentum Technology, Inc. Top agencies USAF (Department of the Air Force)	$23,799,994	0.8%	Rank history: not on the FY2021 list, #12 in FY2023 and not on the FY2024–FY2025 lists; new.
20	Bellese Technologies, LLC Top agencies HHS (Department of Health and Human Services)	$23,313,095	0.8%	Rank history: #14 in FY2021 and not on the FY2023–FY2025 lists; down 6 since FY2021.
21	Mantech International Corporation Through Mantech Advanced Systems International, Inc. Top agencies DOJ (Department of Justice) DISA (Defense Information Systems Agency)	$19,823,020	0.7%	Rank history: not on the FY2021 list, #13 in FY2023 and not on the FY2024–FY2025 lists; up 116 since FY2021.
22	Federal Resources Corporation Top agencies HHS (Department of Health and Human Services) DOS (Department of State) DOL (Department of Labor)	$19,812,886	0.7%	Rank history: not on the FY2021 list, #64 in FY2023 and not on the FY2024–FY2025 lists; new.
23	Microsoft Corporation Top agencies USSOCOM (United States Special Operations Command) DHS (Department of Homeland Security) DOS (Department of State)	$19,731,299	0.7%	Rank history: #21 in FY2021, #33 in FY2023, not on the FY2024 list and #27 in FY2025; down 2 since FY2021.
24	Credence Management Solutions Limited Liability Company Top agencies DLA (Defense Logistics Agency)	$18,767,224	0.7%	Rank history: #37 in FY2021, #23 in FY2023, #24 in FY2024 and #18 in FY2025; up 13 since FY2021.
25	Innovasystems International LLC Top agencies Navy (Department of the Navy)	$18,560,364	0.6%	Rank history: not on the FY2021 list, #27 in FY2023, #35 in FY2024 and #42 in FY2025; new.
26	Spire Global Subsidiary, Inc. Top agencies Commerce (Department of Commerce)	$17,946,500	0.6%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 106 since FY2021.
27	On Assignment, Inc. 2 awardees, including ECS Federal, LLC and Indrasoft Inc. Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$16,828,805	0.6%	Rank history: #22 in FY2021, #20 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2021.
28	Compass Point LLC Top agencies USSOCOM (United States Special Operations Command) DOJ (Department of Justice)	$16,708,782	0.6%	Rank history: #74 in FY2021, #18 in FY2023, #20 in FY2024 and #25 in FY2025; up 46 since FY2021.
29	Koniag Management Solutions LLC Top agencies Army (Department of the Army) DOS (Department of State) Commerce (Department of Commerce)	$16,429,401	0.6%	Rank history: not on the FY2021 list, #28 in FY2023, #40 in FY2024 and not on the FY2025 list; up 76 since FY2021.
30	Agile Defense, LLC Top agencies Army (Department of the Army)	$16,213,973	0.6%	Rank history: #86 in FY2021, #40 in FY2023, not on the FY2024 list and #39 in FY2025; up 56 since FY2021.
31	Client Solution Architects LLC Through CSA Global LLC Top agencies Navy (Department of the Navy)	$15,685,718	0.5%	Rank history: not on the FY2021 list, #17 in FY2023, #46 in FY2024 and not on the FY2025 list; new.
32	Alliance Data Systems Corporation Through Epsilon Inc. Top agencies DOE (Department of Energy)	$15,301,092	0.5%	Rank history: #26 in FY2021 and not on the FY2023–FY2025 lists; down 6 since FY2021.
33	NTT Data Fedhealth, Inc. Top agencies HHS (Department of Health and Human Services)	$15,212,011	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 223 since FY2021.
34	Idera, Inc. 2 awardees, including Precise Software Solutions, Inc. Top agencies HHS (Department of Health and Human Services) Smithsonian (Smithsonian Institution)	$15,166,211	0.5%	Rank history: #41 in FY2021 and not on the FY2023–FY2025 lists; up 7 since FY2021.
35	Esimplicity Inc. Top agencies HHS (Department of Health and Human Services)	$14,817,294	0.5%	Rank history: #83 in FY2021 and not on the FY2023–FY2025 lists; up 48 since FY2021.
36	Nexgen Technologies Inc. Top agencies DOI (Department of the Interior)	$14,543,105	0.5%	Rank history: #52 in FY2021, #54 in FY2023, #77 in FY2024 and not on the FY2025 list; up 16 since FY2021.
37	Caci, Inc. - Federal Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$14,134,796	0.5%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
38	Guidehouse Inc. 3 awardees, including Guidehouse Digital LLC Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$13,788,859	0.5%	Rank history: #23 in FY2021 and not on the FY2023–FY2025 lists; down 15 since FY2021.
39	VET Advisor LLC Through Three Wire Systems, LLC Top agencies VA (Department of Veterans Affairs) GSA (General Services Administration) FLRA (Federal Labor Relations Authority)	$13,204,089	0.5%	Rank history: #51 in FY2021, #47 in FY2023 and not on the FY2024–FY2025 lists; up 12 since FY2021.
40	Lintech Global Inc. Top agencies DODIG (Department of Defense Inspector General) EPA (Environmental Protection Agency)	$12,859,175	0.5%	Rank history: #44 in FY2021 and not on the FY2023–FY2025 lists; up 4 since FY2021.
41	Semanticbits LLC Top agencies HHS (Department of Health and Human Services)	$12,756,672	0.4%	Rank history: #20 in FY2021 and not on the FY2023–FY2025 lists; down 21 since FY2021.
42	Ernst & Young LLP Top agencies HUD (Department of Housing and Urban Development)	$12,678,752	0.4%	Rank history: not on the FY2021 list, not on the FY2023 list, #47 in FY2024 and not on the FY2025 list; new.
43	Teksynap Corporation Top agencies DLA (Defense Logistics Agency) NRC (Nuclear Regulatory Commission)	$12,288,632	0.4%	Rank history: #72 in FY2021, #30 in FY2023, #58 in FY2024 and not on the FY2025 list; up 29 since FY2021.
44	Network Designs, Inc. Top agencies DOJ (Department of Justice)	$12,160,441	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 72 since FY2021.
45	Creative It Solutions LLC Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) Army (Department of the Army)	$12,083,403	0.4%	Rank history: #33 in FY2021, #46 in FY2023, #45 in FY2024 and #72 in FY2025; down 12 since FY2021.
46	The Tatitlek Corporation Through Tatitlek Federal Services LLC Top agencies Treasury (Department of the Treasury)	$12,007,527	0.4%	Rank history: #53 in FY2021, #72 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2021.
47	Asrc Federal Data Networx, LLC Top agencies USDA (Department of Agriculture) DISA (Defense Information Systems Agency)	$11,976,243	0.4%	Rank history: #28 in FY2021, #87 in FY2023 and not on the FY2024–FY2025 lists; down 19 since FY2021.
48	PBG Consulting, LLC Top agencies OPM (Office of Personnel Management)	$11,721,670	0.4%	Rank history: #38 in FY2021, #61 in FY2023, #39 in FY2024 and not on the FY2025 list; down 10 since FY2021.
49	Nippon Telegraph and Telephone Corporation Through NTT Data Federal Services, Inc. Top agencies DOJ (Department of Justice)	$11,718,104	0.4%	Rank history: #85 in FY2021 and not on the FY2023–FY2025 lists; up 36 since FY2021.
50	D7, LLC Top agencies USUHS (DOD Uniformed Services University of the Health Sciences)	$11,460,509	0.4%	Rank history: #25 in FY2021 and not on the FY2023–FY2025 lists; down 25 since FY2021.
51	Sikich Federal Inc. Top agencies Treasury (Department of the Treasury) USDA (Department of Agriculture)	$11,390,853	0.4%	Rank history: not on the FY2021 list, #44 in FY2023 and not on the FY2024–FY2025 lists; up 124 since FY2021.
52	Directviz Solutions, LLC Top agencies Army (Department of the Army) ED (Department of Education)	$11,013,699	0.4%	Rank history: #71 in FY2021, #74 in FY2023, #92 in FY2024 and #99 in FY2025; up 19 since FY2021.
53	Softrams LLC Top agencies HHS (Department of Health and Human Services)	$10,958,246	0.4%	Rank history: #39 in FY2021, #71 in FY2023 and not on the FY2024–FY2025 lists; down 14 since FY2021.
54	Bam Technologies LLC Top agencies Army (Department of the Army)	$10,618,075	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 110 since FY2021.
55	Accuity Asset Verification Services Inc. Top agencies SSA (Social Security Administration)	$10,253,567	0.4%	Rank history: #32 in FY2021 and not on the FY2023–FY2025 lists; down 23 since FY2021.
56	At-Impact LLC Top agencies USDA (Department of Agriculture) Treasury (Department of the Treasury)	$10,087,123	0.4%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 70 since FY2021.
57	ICF International, Inc. 2 awardees, including ICF Incorporated, L.L.C. and Creative Systems and Consulting L.L.C. Top agencies HHS (Department of Health and Human Services) USDA (Department of Agriculture)	$10,028,051	0.4%	Rank history: #29 in FY2021, #98 in FY2023 and not on the FY2024–FY2025 lists; down 28 since FY2021.
58	Riva Solutions Inc. Top agencies HHS (Department of Health and Human Services)	$10,001,576	0.4%	Rank history: #67 in FY2021 and not on the FY2023–FY2025 lists; up 9 since FY2021.
59	Dynamo Technologies, LLC Top agencies USDA (Department of Agriculture)	$9,758,044	0.3%	Rank history: #70 in FY2021, #41 in FY2023, #44 in FY2024 and not on the FY2025 list; up 11 since FY2021.
60	Samtek Inc. Top agencies HHS (Department of Health and Human Services)	$9,382,959	0.3%	Rank history: not on the FY2021 list, #84 in FY2023, not on the FY2024 list and #58 in FY2025; new.
61	V3Gate, LLC Top agencies DOJ (Department of Justice) DOL (Department of Labor)	$9,346,935	0.3%	Rank history: not on the FY2021 list, #81 in FY2023, not on the FY2024 list and #83 in FY2025; up 110 since FY2021.
62	SHR Consulting Group LLC Top agencies DHS (Department of Homeland Security)	$9,343,250	0.3%	Rank history: #43 in FY2021 and not on the FY2023–FY2025 lists; down 19 since FY2021.
63	Soft TECH Consulting, Inc. Top agencies Army (Department of the Army) FCC (Federal Communications Commission) DOL (Department of Labor)	$9,335,086	0.3%	Rank history: not on the FY2021 list, #56 in FY2023, #85 in FY2024 and not on the FY2025 list; up 65 since FY2021.
64	Inserso Corporation Top agencies DHS (Department of Homeland Security)	$9,322,107	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
65	Nakupuna Solutions, LLC Top agencies Navy (Department of the Navy)	$9,249,646	0.3%	Rank history: not on the FY2021 list, #42 in FY2023, #48 in FY2024 and #48 in FY2025; new.
66	Citizant, Inc. Top agencies Treasury (Department of the Treasury)	$9,107,274	0.3%	Rank history: not on the FY2021 list, #77 in FY2023 and not on the FY2024–FY2025 lists; new.
67	Gartner, Inc. Top agencies DHA (Defense Health Agency) DODIG (Department of Defense Inspector General) CFPB (Consumer Financial Protection Bureau)	$8,792,950	0.3%	Rank history: #80 in FY2021, #85 in FY2023, #84 in FY2024 and not on the FY2025 list; up 13 since FY2021.
68	Bnl, Inc. Top agencies Commerce (Department of Commerce)	$8,723,951	0.3%	Rank history: #60 in FY2021 and not on the FY2023–FY2025 lists; down 8 since FY2021.
69	Impres Technology Solutions, Inc. Top agencies DOL (Department of Labor)	$8,689,602	0.3%	Rank history: #81 in FY2021, #53 in FY2023, #74 in FY2024 and not on the FY2025 list; up 12 since FY2021.
70	BAE Systems PLC Through BAE Systems Technology Solutions & Services Inc. Top agencies DHS (Department of Homeland Security) DOL (Department of Labor)	$8,622,631	0.3%	Rank history: not on the FY2021 list, #76 in FY2023 and not on the FY2024–FY2025 lists; up 230 since FY2021.
71	Agile-Bot II LLC Top agencies HUD (Department of Housing and Urban Development)	$8,588,623	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
72	Chickasaw Strategic Pointe, LLC Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force)	$8,531,704	0.3%	Rank history: not on the FY2021 list, #100 in FY2023, #90 in FY2024 and #98 in FY2025; new.
73	Lynker Corporation Top agencies Commerce (Department of Commerce)	$8,433,865	0.3%	Rank history: not on the FY2021 list, #86 in FY2023, not on the FY2024 list and #95 in FY2025; up 86 since FY2021.
74	Amyx Inc. Top agencies DLA (Defense Logistics Agency)	$8,350,467	0.3%	Rank history: #64 in FY2021, #65 in FY2023 and not on the FY2024–FY2025 lists; down 10 since FY2021.
75	Koniag, Inc. 4 awardees, including Arlluk Technology Solutions LLC, Tuknik Government Services LLC and Eagle Harbor Solutions LLC Top agencies USDA (Department of Agriculture) DOS (Department of State) Army (Department of the Army)	$8,318,906	0.3%	Rank history: #54 in FY2021, #67 in FY2023, not on the FY2024 list and #70 in FY2025; down 21 since FY2021.
76	Broadleaf, Inc. Top agencies USSOCOM (United States Special Operations Command) DOI (Department of the Interior) Navy (Department of the Navy)	$8,134,542	0.3%	Rank history: not on the FY2021 list, #90 in FY2023 and not on the FY2024–FY2025 lists; up 26 since FY2021.
77	Carahsoft Technology Corp Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency) Commerce (Department of Commerce)	$8,097,055	0.3%	Rank history: #69 in FY2021, #49 in FY2023, #54 in FY2024 and not on the FY2025 list; down 8 since FY2021.
78	The Mitre Corporation 2 awardees Top agencies DOS (Department of State) HHS (Department of Health and Human Services)	$7,972,863	0.3%	Rank history: not on the FY2021 list, #45 in FY2023 and not on the FY2024–FY2025 lists; up 295 since FY2021.
79	American Systems Corporation Top agencies DSCA (Defense Security Cooperation Agency)	$7,957,600	0.3%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
80	Favor Techconsulting, LLC Top agencies DHS (Department of Homeland Security)	$7,839,793	0.3%	Rank history: #56 in FY2021 and not on the FY2023–FY2025 lists; down 24 since FY2021.
81	Futron, Inc. Top agencies HHS (Department of Health and Human Services)	$7,825,374	0.3%	Rank history: #75 in FY2021 and not on the FY2023–FY2025 lists; down 6 since FY2021.
82	Halvik LLC Top agencies Army (Department of the Army) Treasury (Department of the Treasury) DOS (Department of State)	$7,723,245	0.3%	Rank history: #46 in FY2021 and not on the FY2023–FY2025 lists; down 36 since FY2021.
83	Innovative Management Concepts, Inc. Top agencies USAF (Department of the Air Force)	$7,718,160	0.3%	Rank history: #42 in FY2021, #55 in FY2023, not on the FY2024 list and #94 in FY2025; down 41 since FY2021.
84	Tista Science and Technology Corporation Top agencies HHS (Department of Health and Human Services)	$7,453,546	0.3%	Rank history: not on the FY2021 list, #73 in FY2023 and not on the FY2024–FY2025 lists; new.
85	Evoke Research and Consulting, LLC Top agencies USDA (Department of Agriculture) DOE (Department of Energy)	$7,391,071	0.3%	Rank history: not on the FY2021 list, #82 in FY2023, #96 in FY2024 and not on the FY2025 list; up 108 since FY2021.
86	A2 Labs, LLC Top agencies DHS (Department of Homeland Security)	$7,059,000	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 60 since FY2021.
87	Onpoint Consulting, Inc. Top agencies HHS (Department of Health and Human Services)	$6,993,495	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
88	LCG Systems LLC Top agencies HHS (Department of Health and Human Services)	$6,962,427	0.2%	Rank history: #55 in FY2021 and not on the FY2023–FY2025 lists; down 33 since FY2021.
89	Seneca Global Services LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$6,956,044	0.2%	Rank history: #98 in FY2021, #95 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2021.
90	Iron Mountain Incorporated Through Iron Mountain Information Management LLC Top agencies Commerce (Department of Commerce)	$6,860,836	0.2%	Rank history: #31 in FY2021 and not on the FY2023–FY2025 lists; down 59 since FY2021.
91	Flexion Inc. Top agencies HHS (Department of Health and Human Services)	$6,813,839	0.2%	Rank history: #49 in FY2021 and not on the FY2023–FY2025 lists; down 42 since FY2021.
92	Insight Public Sector Inc. 2 awardees Top agencies DISA (Defense Information Systems Agency) Navy (Department of the Navy) Smithsonian (Smithsonian Institution)	$6,738,043	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 43 since FY2021.
93	Dignari, LLC Top agencies DHS (Department of Homeland Security)	$6,508,026	0.2%	Rank history: #45 in FY2021, #24 in FY2023, #14 in FY2024 and not on the FY2025 list; down 48 since FY2021.
94	Changeis, Inc. Top agencies DHS (Department of Homeland Security) DOT (Department of Transportation)	$6,486,409	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
95	Research Management Consultants Inc. Top agencies OPM (Office of Personnel Management)	$6,331,065	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
96	Chenega Defense & Aerospace Solutions, LLC Top agencies Navy (Department of the Navy)	$6,282,435	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.
97	Gama-1 Technologies, LLC Top agencies Commerce (Department of Commerce)	$6,187,739	0.2%	Rank history: not on the FY2021 list, #59 in FY2023, #62 in FY2024 and #76 in FY2025; new.
98	Derivative LLC Top agencies Treasury (Department of the Treasury)	$6,179,899	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 35 since FY2021.
99	CA Inc. Top agencies SSA (Social Security Administration)	$6,075,199	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; up 140 since FY2021.
100	Luther Consulting LLC Top agencies HHS (Department of Health and Human Services)	$6,006,780	0.2%	Rank history: not on the FY2021 list and not on the FY2023–FY2025 lists; new.

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100 of 835 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC DF

Code	Net obligations	Largest contractor
DF01 IT and Telecom – IT Management Support Services (Labor)	$2,243,178,357	Leidos Holdings, Inc.
DF10 IT and Telecom – IT Management as a Service	$560,771,077	REI Systems Inc.

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $2.86 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 2022 ran Oct 1, 2021 – Sep 30, 2022. 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 FY2021. "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 FY2021 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 DF contractors in FY2022?

1. Leidos Holdings, Inc. ($323M), 2. Booz Allen Hamilton Holding Corporation ($107M), 3. Accenture Federal Services LLC ($106M), 4. Deloitte LLP ($85.7M), 5. Govcio, LLC ($67.5M), 6. Science Applications International Corporation ($65.8M), 7. REI Systems Inc. ($46.5M), 8. Verizon Communications Inc. ($42.8M), 9. HP Enterprise Services LLC ($41.1M), 10. CGI Technologies and Solutions Inc. ($40.1M).

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