Top 100 Defense Information Systems Agency Contractors, FY2023

Name: Top 100 Defense Information Systems Agency Contractors, FY2023
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 42% of FY2023 Defense Information Systems Agency contract dollars

Contract obligations: $4,056,255,942 Net of deobligations, by the Defense Information Systems Agency and its offices
Contractors: 628 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $615 million, 14.3% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Leidos Holdings, Inc. 7 awardees, including Leidos, Inc. Top NAICS codes 541513 Computer Facilities Management Services 541512 Computer Systems Design Services 541519 Other Computer Related Services	$615,447,501	14.3%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	Booz Allen Hamilton Holding Corporation 2 awardees, including Booz Allen Hamilton Inc. and Riverside Engineering LLC Top NAICS codes 541512 Computer Systems Design Services 541519 Other Computer Related Services 541511 Custom Computer Programming Services	$299,717,139	7.0%	Rank history: #4 in FY2021, #5 in FY2022, #2 in FY2024 and #2 in FY2025; up 3 since FY2022.
3	Lumen Technologies, Inc. 10 awardees, including Lumen Technologies Government Solutions, Inc., Level 3 Communications, LLC and Centurylink Communications, LLC Top NAICS codes 517311 Wired Telecommunications Carriers 517110 Wired Telecommunications Carriers 517111 Wired Telecommunications Carriers	$165,678,857	3.8%	Rank history: #9 in FY2021, #3 in FY2022, #11 in FY2024 and #77 in FY2025; unchanged since FY2022.
4	HP Enterprise Services LLC 6 awardees, including Knight Point Systems, LLC, Peraton Enterprise Solutions LLC and Peraton Inc. Top NAICS codes 541519 Other Computer Related Services 541512 Computer Systems Design Services 541511 Custom Computer Programming Services	$163,093,931	3.8%	Rank history: #19 in FY2021, #4 in FY2022, #28 in FY2024 and not on the FY2025 list; unchanged since FY2022.
5	General Dynamics Corporation 6 awardees, including General Dynamics Information Technology, Inc., Csra LLC and General Dynamics Mission Systems, Inc. Top NAICS codes 541519 Other Computer Related Services 541511 Custom Computer Programming Services 541513 Computer Facilities Management Services	$143,307,661	3.3%	Rank history: #2 in FY2021, #2 in FY2022, #4 in FY2024 and #5 in FY2025; down 3 since FY2022.
6	Iridium Satellite LLC 3 awardees, including Iridium Government Services LLC Top NAICS codes 517410 Satellite Telecommunications	$114,983,730	2.7%	Rank history: #3 in FY2021, #9 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
7	H.i.g. Capital Management Inc. 2 awardees, including Iron Bow Technologies, LLC and Empower AI, Inc. Top NAICS codes 541519 Other Computer Related Services	$98,616,050	2.3%	Rank history: not on the FY2021 list, #24 in FY2022, #5 in FY2024 and not on the FY2025 list; up 17 since FY2022.
8	Minburn Technology Group, LLC Top NAICS codes 511210 Software Publishers 541519 Other Computer Related Services	$71,859,704	1.7%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2024 and #18 in FY2025; up 106 since FY2022.
9	Hewlett Packard Enterprise Co Top NAICS codes 541519 Other Computer Related Services	$62,753,313	1.5%	Rank history: #15 in FY2021, #8 in FY2022, #15 in FY2024 and #19 in FY2025; down 1 since FY2022.
10	Carahsoft Technology Corp Top NAICS codes 511210 Software Publishers 334111 Electronic Computer Manufacturing 541519 Other Computer Related Services	$58,464,524	1.4%	Rank history: #7 in FY2021, #7 in FY2022, #8 in FY2024 and #10 in FY2025; down 3 since FY2022.
11	Vae, Inc. Top NAICS codes 541519 Other Computer Related Services 541512 Computer Systems Design Services	$52,196,309	1.2%	Rank history: #11 in FY2021, #35 in FY2022, #44 in FY2024 and #93 in FY2025; up 24 since FY2022.
12	Science Applications International Corporation Top NAICS codes 541512 Computer Systems Design Services 541519 Other Computer Related Services	$50,220,834	1.2%	Rank history: #34 in FY2021, #15 in FY2022, #25 in FY2024 and not on the FY2025 list; up 3 since FY2022.
13	Swish Data Corporation Top NAICS codes 541519 Other Computer Related Services	$48,219,528	1.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 106 since FY2022.
14	Microsoft Corporation Top NAICS codes 541512 Computer Systems Design Services 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 541519 Other Computer Related Services	$47,104,995	1.1%	Rank history: #24 in FY2021, #10 in FY2022, #7 in FY2024 and #6 in FY2025; down 4 since FY2022.
15	Competitive Range Solutions LLC Top NAICS codes 541512 Computer Systems Design Services 541330 Engineering Services 541519 Other Computer Related Services	$44,158,850	1.0%	Rank history: #71 in FY2021, #17 in FY2022, #22 in FY2024 and #23 in FY2025; up 2 since FY2022.
16	Koniag, Inc. 6 awardees, including Tuknik Government Services LLC, Koniag Technology Solutions Inc. and Eagle Harbor Solutions LLC Top NAICS codes 541512 Computer Systems Design Services 541511 Custom Computer Programming Services 541519 Other Computer Related Services	$43,910,518	1.0%	Rank history: #23 in FY2021, #16 in FY2022, #62 in FY2024 and not on the FY2025 list; unchanged since FY2022.
17	At&T Inc. 10 awardees, including At&T Technical Services Company, Inc., At&T Enterprises, LLC and Att Mobility LLC Top NAICS codes 517110 Wired Telecommunications Carriers 517311 Wired Telecommunications Carriers 517312 Wireless Telecommunications Carriers (except Satellite)	$43,646,510	1.0%	Rank history: #42 in FY2021, #26 in FY2022, #59 in FY2024 and #36 in FY2025; up 9 since FY2022.
18	Jacobs Engineering Group Inc. Through Amentum Technology, Inc. Top NAICS codes 541330 Engineering Services	$43,217,135	1.0%	Rank history: #20 in FY2021, #14 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
19	Dell Federal Systems L.P. 2 awardees, including Dell Marketing L.P. Top NAICS codes 511210 Software Publishers 541519 Other Computer Related Services	$41,996,380	1.0%	Rank history: #38 in FY2021, #28 in FY2022, #23 in FY2024 and not on the FY2025 list; up 9 since FY2022.
20	August Schell Enterprises, Inc. Top NAICS codes 541519 Other Computer Related Services	$40,066,957	0.9%	Rank history: #36 in FY2021, #18 in FY2022, #14 in FY2024 and #24 in FY2025; down 2 since FY2022.
21	New TECH Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$39,334,784	0.9%	Rank history: #41 in FY2021, #39 in FY2022, #18 in FY2024 and #16 in FY2025; up 18 since FY2022.
22	Deloitte LLP Through Deloitte Consulting LLP Top NAICS codes 541512 Computer Systems Design Services 541219 Other Accounting Services	$38,226,434	0.9%	Rank history: #10 in FY2021, #33 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
23	Thundercat Technology LLC Top NAICS codes 541519 Other Computer Related Services	$37,840,143	0.9%	Rank history: #51 in FY2021, #23 in FY2022, #17 in FY2024 and #17 in FY2025; unchanged since FY2022.
24	Trace Systems Holdings Inc. 2 awardees, including Trace Systems, Inc. Top NAICS codes 541512 Computer Systems Design Services 517410 Satellite Telecommunications 541519 Other Computer Related Services	$36,967,946	0.9%	Rank history: #53 in FY2021, #22 in FY2022, #69 in FY2024 and not on the FY2025 list; down 2 since FY2022.
25	Arctic Slope Regional Corporation 2 awardees, including Asrc Communications, Ltd. and Asrc Federal Data Network Technologies, LLC Top NAICS codes 541519 Other Computer Related Services 541512 Computer Systems Design Services	$36,121,139	0.8%	Rank history: #48 in FY2021, #31 in FY2022, #49 in FY2024 and #38 in FY2025; up 6 since FY2022.
26	Mantech International Corporation 2 awardees, including Tapestry Technologies, Inc. and Mantech Advanced Systems International, Inc. Top NAICS codes 541519 Other Computer Related Services 541512 Computer Systems Design Services 511210 Software Publishers	$35,737,201	0.8%	Rank history: #33 in FY2021, #27 in FY2022, #71 in FY2024 and not on the FY2025 list; up 1 since FY2022.
27	RTX Corporation 5 awardees, including Everfox LLC, Raytheon Company and Arinc Incorporated Top NAICS codes 541519 Other Computer Related Services 541330 Engineering Services 811213 Communication Equipment Repair and Maintenance	$34,013,671	0.8%	Rank history: #40 in FY2021, #76 in FY2022, #30 in FY2024 and #43 in FY2025; up 49 since FY2022.
28	Four LLC Top NAICS codes 541519 Other Computer Related Services	$33,124,734	0.8%	Rank history: #76 in FY2021, #36 in FY2022, #20 in FY2024 and #73 in FY2025; up 8 since FY2022.
29	Validatek-Citi, LLC Top NAICS codes 541512 Computer Systems Design Services	$31,597,973	0.7%	Rank history: #46 in FY2021, #29 in FY2022, #34 in FY2024 and #27 in FY2025; unchanged since FY2022.
30	Oracle Corporation Through Oracle America, Inc. Top NAICS codes 541519 Other Computer Related Services 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$31,205,600	0.7%	Rank history: #37 in FY2021, #21 in FY2022, #39 in FY2024 and not on the FY2025 list; down 9 since FY2022.
31	FCN, Inc. Top NAICS codes 541519 Other Computer Related Services	$30,202,741	0.7%	Rank history: not on the FY2021 list, #25 in FY2022, #12 in FY2024 and #31 in FY2025; down 6 since FY2022.
32	Sos International LLC Top NAICS codes 541512 Computer Systems Design Services	$29,471,094	0.7%	Rank history: #14 in FY2021, #11 in FY2022, #24 in FY2024 and #28 in FY2025; down 21 since FY2022.
33	The Boeing Company Top NAICS codes 517410 Satellite Telecommunications	$27,999,068	0.7%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2024 and #51 in FY2025; up 319 since FY2022.
34	By Light Professional It Services LLC Top NAICS codes 517110 Wired Telecommunications Carriers 517311 Wired Telecommunications Carriers	$27,253,659	0.6%	Rank history: #5 in FY2021, #12 in FY2022, #9 in FY2024 and #14 in FY2025; down 22 since FY2022.
35	Nova-Dine LLC 4 awardees, including DDC It Services LLC, Dine' Source, LLC and North Stone LLC Top NAICS codes 541512 Computer Systems Design Services 541519 Other Computer Related Services 541511 Custom Computer Programming Services	$26,929,743	0.6%	Rank history: #43 in FY2021, #44 in FY2022 and not on the FY2024–FY2025 lists; up 9 since FY2022.
36	Sigma Defense Systems LLC Top NAICS codes 334290 Other Communications Equipment Manufacturing 541330 Engineering Services	$25,980,125	0.6%	Rank history: #86 in FY2021, #65 in FY2022, #32 in FY2024 and #44 in FY2025; up 29 since FY2022.
37	Compqsoft, Inc. Top NAICS codes 541519 Other Computer Related Services 541512 Computer Systems Design Services 541511 Custom Computer Programming Services	$25,613,906	0.6%	Rank history: #68 in FY2021, #45 in FY2022, #36 in FY2024 and #37 in FY2025; up 8 since FY2022.
38	Dynamic Systems Inc. Top NAICS codes 541519 Other Computer Related Services	$24,377,537	0.6%	Rank history: #55 in FY2021, #49 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
39	Expression Networks LLC Top NAICS codes 541519 Other Computer Related Services	$23,925,012	0.6%	Rank history: #49 in FY2021, #57 in FY2022, #61 in FY2024 and #50 in FY2025; up 18 since FY2022.
40	Federal Resources Corporation Top NAICS codes 443120 Computer and Software Stores 541519 Other Computer Related Services	$23,854,009	0.6%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #99 in FY2025; up 303 since FY2022.
41	MSM Technology LLC Top NAICS codes 541512 Computer Systems Design Services	$23,287,572	0.5%	Rank history: not on the FY2021 list, #62 in FY2022, #46 in FY2024 and #71 in FY2025; up 21 since FY2022.
42	Greenbrier Government Solutions Inc. Top NAICS codes 541519 Other Computer Related Services	$21,915,592	0.5%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
43	Cubic Digital Intelligence Inc. Top NAICS codes 541512 Computer Systems Design Services	$19,881,224	0.5%	Rank history: not on the FY2021 list, #50 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
44	Ipkeys Technologies LLC Top NAICS codes 541519 Other Computer Related Services	$19,094,806	0.4%	Rank history: #60 in FY2021, #55 in FY2022, #45 in FY2024 and #67 in FY2025; up 11 since FY2022.
45	Sirius Computer Solutions, LLC Through Sirius Federal LLC Top NAICS codes 541519 Other Computer Related Services	$19,047,836	0.4%	Rank history: #25 in FY2021, #56 in FY2022, #93 in FY2024 and not on the FY2025 list; up 11 since FY2022.
46	Georgia TECH Research Corp Through Georgia TECH Applied Research Corp Top NAICS codes 541511 Custom Computer Programming Services	$18,987,952	0.4%	Rank history: #63 in FY2021, #59 in FY2022 and not on the FY2024–FY2025 lists; up 13 since FY2022.
47	Regency Consulting Inc Top NAICS codes 541519 Other Computer Related Services	$18,728,406	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Tetra Tech, Inc. Through Bluewater Federal Solutions, Inc. Top NAICS codes 541512 Computer Systems Design Services	$18,634,683	0.4%	Rank history: #50 in FY2021, #54 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
49	Secure Federal Operations LLC Through T-Mobile Secure Federal Operations LLC Top NAICS codes 517110 Wired Telecommunications Carriers	$17,562,673	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
50	Norseman Inc. Top NAICS codes 541519 Other Computer Related Services	$17,517,869	0.4%	Rank history: #16 in FY2021, #34 in FY2022, #57 in FY2024 and #70 in FY2025; down 16 since FY2022.
51	Countertrade Products, Inc. Top NAICS codes 541519 Other Computer Related Services	$17,233,290	0.4%	Rank history: #39 in FY2021, #68 in FY2022 and not on the FY2024–FY2025 lists; up 17 since FY2022.
52	Palantir Technologies Inc. Through Palantir USG Inc.	$17,185,816	0.4%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2024 and #29 in FY2025; new.
53	CA Inc. Top NAICS codes 511210 Software Publishers	$17,179,977	0.4%	Rank history: #57 in FY2021, #60 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
54	Viasat Inc. Top NAICS codes 517410 Satellite Telecommunications 334290 Other Communications Equipment Manufacturing	$16,086,356	0.4%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2024 and not on the FY2025 list; up 115 since FY2022.
55	Romem Aqua Systems Co Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$15,922,202	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
56	Foxhole Technology LLC Top NAICS codes 611420 Computer Training 541512 Computer Systems Design Services	$15,848,127	0.4%	Rank history: #62 in FY2021, #74 in FY2022, #80 in FY2024 and #76 in FY2025; up 18 since FY2022.
57	Bahfed Corp Top NAICS codes 541519 Other Computer Related Services 339940 Office Supplies (except Paper) Manufacturing	$15,226,731	0.4%	Rank history: #70 in FY2021, #77 in FY2022, #86 in FY2024 and not on the FY2025 list; up 20 since FY2022.
58	Verizon Communications Inc. 12 awardees, including Cellco Partnership, Verizon Deutschland GMBH and MCI Communications Services LLC Top NAICS codes 541519 Other Computer Related Services 517110 Wired Telecommunications Carriers 517312 Wireless Telecommunications Carriers (except Satellite)	$15,173,838	0.4%	Rank history: not on the FY2021 list, #6 in FY2022 and not on the FY2024–FY2025 lists; down 52 since FY2022.
59	On Assignment, Inc. 3 awardees, including Indrasoft Inc. and ECS Federal, LLC Top NAICS codes 541519 Other Computer Related Services	$14,620,235	0.3%	Rank history: #17 in FY2021, #37 in FY2022, #99 in FY2024 and not on the FY2025 list; down 22 since FY2022.
60	Space Exploration Technologies Corp. Top NAICS codes 517410 Satellite Telecommunications	$13,996,600	0.3%	Rank history: not on the FY2021–FY2022 lists, #3 in FY2024 and #3 in FY2025; new.
61	Sterling Computers Corporation Top NAICS codes 541519 Other Computer Related Services 334111 Electronic Computer Manufacturing	$13,589,884	0.3%	Rank history: not on the FY2021 list, #71 in FY2022, #73 in FY2024 and #69 in FY2025; up 10 since FY2022.
62	DH Technologies, Inc. Top NAICS codes 541519 Other Computer Related Services	$13,119,752	0.3%	Rank history: #58 in FY2021, #95 in FY2022, #76 in FY2024 and #61 in FY2025; up 33 since FY2022.
63	3Vesta, LLC Top NAICS codes 541512 Computer Systems Design Services	$12,794,044	0.3%	Rank history: #72 in FY2021, #85 in FY2022 and not on the FY2024–FY2025 lists; up 22 since FY2022.
64	Ryan Consulting Group Inc. Top NAICS codes 541512 Computer Systems Design Services	$12,760,517	0.3%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2024 and #82 in FY2025; new.
65	Creative It Solutions LLC Top NAICS codes 541511 Custom Computer Programming Services	$11,534,549	0.3%	Rank history: #59 in FY2021, #63 in FY2022, #68 in FY2024 and #85 in FY2025; down 2 since FY2022.
66	VET Advisor LLC Through Three Wire Systems, LLC Top NAICS codes 541519 Other Computer Related Services	$11,502,960	0.3%	Rank history: #81 in FY2021, #78 in FY2022 and not on the FY2024–FY2025 lists; up 12 since FY2022.
67	International Business Machines Corporation Top NAICS codes 541511 Custom Computer Programming Services 334111 Electronic Computer Manufacturing	$10,635,979	0.2%	Rank history: #6 in FY2021, #96 in FY2022, not on the FY2024 list and #68 in FY2025; up 29 since FY2022.
68	Integrated Computer Solutions, Inc. Top NAICS codes 541512 Computer Systems Design Services	$10,618,722	0.2%	Rank history: #83 in FY2021, #97 in FY2022, #35 in FY2024 and #30 in FY2025; up 29 since FY2022.
69	Amentum Services, Inc. Top NAICS codes 541519 Other Computer Related Services	$10,569,636	0.2%	Rank history: #66 in FY2021, #69 in FY2022, #96 in FY2024 and not on the FY2025 list; unchanged since FY2022.
70	Alvarez LLC Top NAICS codes 541519 Other Computer Related Services	$10,531,714	0.2%	Rank history: #91 in FY2021, #19 in FY2022, not on the FY2024 list and #35 in FY2025; down 51 since FY2022.
71	Engenius Consulting Group Inc. Top NAICS codes 541512 Computer Systems Design Services	$10,505,206	0.2%	Rank history: not on the FY2021 list, #70 in FY2022, #60 in FY2024 and #59 in FY2025; down 1 since FY2022.
72	Advanced Computer Concepts, Inc. Top NAICS codes 541519 Other Computer Related Services	$10,503,420	0.2%	Rank history: #56 in FY2021, #83 in FY2022, #27 in FY2024 and #46 in FY2025; up 11 since FY2022.
73	Avantus Federal LLC Top NAICS codes 541330 Engineering Services	$10,419,330	0.2%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2024 and #98 in FY2025; up 89 since FY2022.
74	Government Acquisitions LLC Top NAICS codes 541519 Other Computer Related Services	$10,382,604	0.2%	Rank history: not on the FY2021 list, #64 in FY2022, #66 in FY2024 and not on the FY2025 list; down 10 since FY2022.
75	Strategic Communications LLC Top NAICS codes 541519 Other Computer Related Services 811212 Computer and Office Machine Repair and Maintenance	$10,226,525	0.2%	Rank history: not on the FY2021 list, #61 in FY2022, #97 in FY2024 and not on the FY2025 list; down 14 since FY2022.
76	Manhattan Telecommunications Corporation LLC Top NAICS codes 517110 Wired Telecommunications Carriers 517911 Telecommunications Resellers	$10,014,981	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 322 since FY2022.
77	Vion Corporation Top NAICS codes 541519 Other Computer Related Services	$9,962,876	0.2%	Rank history: #54 in FY2021, #67 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
78	Enterprise Resource Planning International, LLC Top NAICS codes 541512 Computer Systems Design Services	$9,686,129	0.2%	Rank history: #97 in FY2021, #81 in FY2022, #56 in FY2024 and #33 in FY2025; up 3 since FY2022.
79	Business Computers Management Consulting Group (Bcmc) LLC Top NAICS codes 541512 Computer Systems Design Services	$8,921,370	0.2%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and #45 in FY2025; new.
80	Nextgen Federal Systems LLC Top NAICS codes 541512 Computer Systems Design Services	$8,919,680	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 38 since FY2022.
81	Deloitte Consulting LLP Top NAICS codes 541512 Computer Systems Design Services 541219 Other Accounting Services	$8,697,914	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 75 since FY2022.
82	Parsons Corporation Through Parsons Government Services Inc. Top NAICS codes 541512 Computer Systems Design Services	$8,493,334	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 41 since FY2022.
83	Itellect LLC Top NAICS codes 541512 Computer Systems Design Services 541618 Other Management Consulting Services	$8,139,451	0.2%	Rank history: #78 in FY2021, #88 in FY2022, #87 in FY2024 and not on the FY2025 list; up 5 since FY2022.
84	Dap-Bristol JV, LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$7,920,074	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
85	Amazon.com, Inc. Through Amazon Web Services, Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$7,756,494	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
86	Four Points Technology, L.L.C. Top NAICS codes 541519 Other Computer Related Services	$7,755,363	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 39 since FY2022.
87	Gcr-Dean LLC Top NAICS codes 561210 Facilities Support Services	$7,712,305	0.2%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2024 and not on the FY2025 list; up 17 since FY2022.
88	New Generation Solution LLC Top NAICS codes 541519 Other Computer Related Services	$7,626,155	0.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #66 in FY2025; up 18 since FY2022.
89	Applied Research Institute Inc.	$7,595,000	0.2%	Rank history: #93 in FY2021, #20 in FY2022 and not on the FY2024–FY2025 lists; down 69 since FY2022.
90	TM3 Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$7,555,056	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
91	Discover Technologies LLC Top NAICS codes 541519 Other Computer Related Services	$7,443,765	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 16 since FY2022.
92	Validatek Inc Top NAICS codes 541512 Computer Systems Design Services	$7,410,935	0.2%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2024 and #49 in FY2025; up 11 since FY2022.
93	Bluestone Logic LLC Top NAICS codes 541512 Computer Systems Design Services	$7,335,978	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 54 since FY2022.
94	CMA Technology Inc. Top NAICS codes 541519 Other Computer Related Services	$7,094,552	0.2%	Rank history: #73 in FY2021, #92 in FY2022 and not on the FY2024–FY2025 lists; down 2 since FY2022.
95	Data Systems Analysts Inc. Top NAICS codes 541512 Computer Systems Design Services	$7,080,548	0.2%	Rank history: #99 in FY2021, #72 in FY2022, not on the FY2024 list and #88 in FY2025; down 23 since FY2022.
96	World Wide Technology LLC Top NAICS codes 541519 Other Computer Related Services	$6,967,006	0.2%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2024 and #34 in FY2025; new.
97	Appian Corporation Top NAICS codes 541512 Computer Systems Design Services	$6,948,060	0.2%	Rank history: #77 in FY2021, #79 in FY2022, #90 in FY2024 and #87 in FY2025; down 18 since FY2022.
98	Open SAN Consulting LLC Top NAICS codes 541512 Computer Systems Design Services	$6,887,851	0.2%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2024 and #75 in FY2025; up 100 since FY2022.
99	Kearney & Company, P.C. Top NAICS codes 541211 Offices of Certified Public Accountants	$6,658,816	0.2%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2024 and not on the FY2025 list; up 9 since FY2022.
100	Computer World Services, Corp. Top NAICS codes 541519 Other Computer Related Services	$6,554,034	0.2%	Rank history: #61 in FY2021, #87 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.

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100 of 628 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 $4.31 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 Defense Information Systems Agency contractors in FY2023?

1. Leidos Holdings, Inc. ($615M), 2. Booz Allen Hamilton Holding Corporation ($300M), 3. Lumen Technologies, Inc. ($166M), 4. HP Enterprise Services LLC ($163M), 5. General Dynamics Corporation ($143M), 6. Iridium Satellite LLC ($115M), 7. H.i.g. Capital Management Inc. ($98.6M), 8. Minburn Technology Group, LLC ($71.9M), 9. Hewlett Packard Enterprise Co ($62.8M), 10. Carahsoft Technology Corp ($58.5M).

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