Top 100 Defense Information Systems Agency Contractors, FY2024

Name: Top 100 Defense Information Systems Agency Contractors, FY2024
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 42% of FY2024 Defense Information Systems Agency contract dollars

Contract obligations: $4,378,173,241 Net of deobligations, by the Defense Information Systems Agency and its offices
Contractors: 701 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $652 million, 14.0% 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	$651,950,700	14.0%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
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	$302,166,900	6.5%	Rank history: #4 in FY2021, #5 in FY2022, #2 in FY2023 and #2 in FY2025; unchanged since FY2023.
3	Space Exploration Technologies Corp. Top NAICS codes 517410 Satellite Telecommunications	$216,496,910	4.6%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023 and #3 in FY2025; up 57 since FY2023.
4	General Dynamics Corporation 8 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	$189,269,336	4.1%	Rank history: #2 in FY2021, #2 in FY2022, #5 in FY2023 and #5 in FY2025; up 1 since FY2023.
5	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 541611 Administrative Management and General Management Consulting Services	$139,883,131	3.0%	Rank history: not on the FY2021 list, #24 in FY2022, #7 in FY2023 and not on the FY2025 list; up 2 since FY2023.
6	Knight Point Systems, LLC Top NAICS codes 541519 Other Computer Related Services	$113,023,276	2.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
7	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	$97,490,983	2.1%	Rank history: #24 in FY2021, #10 in FY2022, #14 in FY2023 and #6 in FY2025; up 7 since FY2023.
8	Carahsoft Technology Corp Top NAICS codes 511210 Software Publishers 334111 Electronic Computer Manufacturing 541519 Other Computer Related Services	$78,572,798	1.7%	Rank history: #7 in FY2021, #7 in FY2022, #10 in FY2023 and #10 in FY2025; up 2 since FY2023.
9	By Light Professional It Services LLC Top NAICS codes 517110 Wired Telecommunications Carriers 517311 Wired Telecommunications Carriers	$77,384,992	1.7%	Rank history: #5 in FY2021, #12 in FY2022, #34 in FY2023 and #14 in FY2025; up 25 since FY2023.
10	Minburn Technology Group, LLC Top NAICS codes 511210 Software Publishers 541519 Other Computer Related Services	$68,908,108	1.5%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2023 and #18 in FY2025; down 2 since FY2023.
11	Lumen Technologies, Inc. 6 awardees, including Lumen Technologies Government Solutions, Inc., Level 3 Communications, LLC and United Telephone Company of the Northwest Top NAICS codes 517110 Wired Telecommunications Carriers 517111 Wired Telecommunications Carriers 517311 Wired Telecommunications Carriers	$63,991,514	1.4%	Rank history: #9 in FY2021, #3 in FY2022, #3 in FY2023 and #77 in FY2025; down 8 since FY2023.
12	FCN, Inc. Top NAICS codes 541519 Other Computer Related Services	$60,550,046	1.3%	Rank history: not on the FY2021 list, #25 in FY2022, #31 in FY2023 and #31 in FY2025; up 19 since FY2023.
13	Verizon 8 awardees, including Verizon Business Network Services LLC, Verizon Deutschland GMBH and MCI Communications Services LLC Top NAICS codes 517110 Wired Telecommunications Carriers 517312 Wireless Telecommunications Carriers (except Satellite) 517111 Wired Telecommunications Carriers	$59,461,194	1.3%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2025; new.
14	August Schell Enterprises, Inc. Top NAICS codes 541519 Other Computer Related Services	$55,174,777	1.2%	Rank history: #36 in FY2021, #18 in FY2022, #20 in FY2023 and #24 in FY2025; up 6 since FY2023.
15	Hewlett Packard Enterprise Co 3 awardees Top NAICS codes 541519 Other Computer Related Services	$55,117,965	1.2%	Rank history: #15 in FY2021, #8 in FY2022, #9 in FY2023 and #19 in FY2025; down 6 since FY2023.
16	Iridium Government Services LLC Top NAICS codes 517410 Satellite Telecommunications	$54,415,494	1.2%	Rank history: not on the FY2021–FY2023 lists and #12 in FY2025; new.
17	Thundercat Technology LLC Top NAICS codes 541519 Other Computer Related Services	$53,010,573	1.1%	Rank history: #51 in FY2021, #23 in FY2022, #23 in FY2023 and #17 in FY2025; up 6 since FY2023.
18	New TECH Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$48,297,322	1.0%	Rank history: #41 in FY2021, #39 in FY2022, #21 in FY2023 and #16 in FY2025; up 3 since FY2023.
19	Agile Defense LLC 2 awardees Top NAICS codes 541380 Testing Laboratories and Services	$44,788,034	1.0%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; up 171 since FY2023.
20	Four LLC Top NAICS codes 541519 Other Computer Related Services 513210 Software Publishers	$39,039,286	0.8%	Rank history: #76 in FY2021, #36 in FY2022, #28 in FY2023 and #73 in FY2025; up 8 since FY2023.
21	Empower AI, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$37,649,337	0.8%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2025; new.
22	Competitive Range Solutions LLC Top NAICS codes 541512 Computer Systems Design Services 541330 Engineering Services 541519 Other Computer Related Services	$36,771,855	0.8%	Rank history: #71 in FY2021, #17 in FY2022, #15 in FY2023 and #23 in FY2025; down 7 since FY2023.
23	Dell Federal Systems L.P. 2 awardees, including Dell Marketing L.P. Top NAICS codes 511210 Software Publishers	$34,608,314	0.7%	Rank history: #38 in FY2021, #28 in FY2022, #19 in FY2023 and not on the FY2025 list; down 4 since FY2023.
24	Sos International LLC Top NAICS codes 541512 Computer Systems Design Services	$33,887,680	0.7%	Rank history: #14 in FY2021, #11 in FY2022, #32 in FY2023 and #28 in FY2025; up 8 since FY2023.
25	Science Applications International Corporation Top NAICS codes 541512 Computer Systems Design Services 541519 Other Computer Related Services	$33,859,644	0.7%	Rank history: #34 in FY2021, #15 in FY2022, #12 in FY2023 and not on the FY2025 list; down 13 since FY2023.
26	Artel LLC Top NAICS codes 517110 Wired Telecommunications Carriers 517111 Wired Telecommunications Carriers	$33,060,751	0.7%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 280 since FY2023.
27	Advanced Computer Concepts, Inc. Top NAICS codes 541519 Other Computer Related Services	$31,119,416	0.7%	Rank history: #56 in FY2021, #83 in FY2022, #72 in FY2023 and #46 in FY2025; up 45 since FY2023.
28	HP Enterprise Services LLC 6 awardees, including Peraton Enterprise Solutions LLC, Peraton Inc. and Peraton Government Communications Inc. Top NAICS codes 541519 Other Computer Related Services 541512 Computer Systems Design Services 517110 Wired Telecommunications Carriers	$29,765,212	0.6%	Rank history: #19 in FY2021, #4 in FY2022, #4 in FY2023 and not on the FY2025 list; down 24 since FY2023.
29	BT Americas Inc. 2 awardees, including 22Nd Century Networks, Inc. and British Telecommunications Public Limited Company Top NAICS codes 517110 Wired Telecommunications Carriers 517111 Wired Telecommunications Carriers	$29,379,689	0.6%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 100 since FY2023.
30	RTX Corporation 4 awardees, including Everfox LLC and Raytheon Company Top NAICS codes 541519 Other Computer Related Services 541330 Engineering Services 811213 Communication Equipment Repair and Maintenance	$29,225,215	0.6%	Rank history: #40 in FY2021, #76 in FY2022, #27 in FY2023 and #43 in FY2025; down 3 since FY2023.
31	The Boeing Company Top NAICS codes 517410 Satellite Telecommunications	$28,816,027	0.6%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2023 and #51 in FY2025; up 2 since FY2023.
32	Sigma Defense Systems LLC Top NAICS codes 334290 Other Communications Equipment Manufacturing 541330 Engineering Services	$28,278,702	0.6%	Rank history: #86 in FY2021, #65 in FY2022, #36 in FY2023 and #44 in FY2025; up 4 since FY2023.
33	Deloitte Through Deloitte Consulting LLP Top NAICS codes 541219 Other Accounting Services 541512 Computer Systems Design Services	$27,762,772	0.6%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2025; new.
34	Validatek-Citi, LLC Top NAICS codes 541512 Computer Systems Design Services	$27,745,507	0.6%	Rank history: #46 in FY2021, #29 in FY2022, #29 in FY2023 and #27 in FY2025; down 5 since FY2023.
35	Integrated Computer Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$25,377,273	0.5%	Rank history: #83 in FY2021, #97 in FY2022, #68 in FY2023 and #30 in FY2025; up 33 since FY2023.
36	Compqsoft, Inc. Top NAICS codes 541519 Other Computer Related Services 541511 Custom Computer Programming Services 541512 Computer Systems Design Services	$25,150,418	0.5%	Rank history: #68 in FY2021, #45 in FY2022, #37 in FY2023 and #37 in FY2025; up 1 since FY2023.
37	Viasat Inc. Top NAICS codes 517410 Satellite Telecommunications 334290 Other Communications Equipment Manufacturing	$24,359,985	0.5%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2023 and not on the FY2025 list; up 17 since FY2023.
38	Northrop Grumman Corporation 2 awardees, including Northrop Grumman Systems Corporation Top NAICS codes 541512 Computer Systems Design Services 511210 Software Publishers	$23,939,905	0.5%	Rank history: #18 in FY2021, #46 in FY2022, not on the FY2023 list and #25 in FY2025; up 362 since FY2023.
39	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	$23,656,731	0.5%	Rank history: #37 in FY2021, #21 in FY2022, #30 in FY2023 and not on the FY2025 list; down 9 since FY2023.
40	Tuknik Government Services LLC Top NAICS codes 541512 Computer Systems Design Services	$22,213,369	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
41	Validatek Inc Top NAICS codes 541512 Computer Systems Design Services	$22,050,695	0.5%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and #49 in FY2025; up 51 since FY2023.
42	Amazon Web Services, Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$21,951,843	0.5%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
43	Peraton Inc. 2 awardees, including Peraton Enterprise Solutions LLC Top NAICS codes 541519 Other Computer Related Services 541330 Engineering Services 541512 Computer Systems Design Services	$21,593,448	0.5%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2025; new.
44	Vae, Inc. Top NAICS codes 541519 Other Computer Related Services	$21,489,925	0.5%	Rank history: #11 in FY2021, #35 in FY2022, #11 in FY2023 and #93 in FY2025; down 33 since FY2023.
45	Ipkeys Technologies LLC Top NAICS codes 541519 Other Computer Related Services	$20,884,732	0.4%	Rank history: #60 in FY2021, #55 in FY2022, #44 in FY2023 and #67 in FY2025; down 1 since FY2023.
46	MSM Technology LLC Top NAICS codes 541512 Computer Systems Design Services	$20,262,187	0.4%	Rank history: not on the FY2021 list, #62 in FY2022, #41 in FY2023 and #71 in FY2025; down 5 since FY2023.
47	Broadcom Inc. Through CA, Inc. Top NAICS codes 513210 Software Publishers	$19,623,051	0.4%	Rank history: not on the FY2021–FY2023 lists and #41 in FY2025; new.
48	Lumen Technologies Government Solutions, Inc. Top NAICS codes 517311 Wired Telecommunications Carriers 517111 Wired Telecommunications Carriers	$19,452,890	0.4%	Rank history: #21 in FY2021, not on the FY2022–FY2023 lists and #4 in FY2025; returned.
49	Arctic Slope Regional Corporation 5 awardees, including Asrc Research and Technology Solutions LLC, Asrc Federal Data Network Technologies, LLC and Asrc Communications, Ltd. Top NAICS codes 541519 Other Computer Related Services 541512 Computer Systems Design Services	$19,324,954	0.4%	Rank history: #48 in FY2021, #31 in FY2022, #25 in FY2023 and #38 in FY2025; down 24 since FY2023.
50	Iridium Satellite LLC Top NAICS codes 517410 Satellite Telecommunications	$18,201,491	0.4%	Rank history: not on the FY2021–FY2023 lists and #39 in FY2025; new.
51	Nana Regional Corporation Inc. Through Affigent, LLC Top NAICS codes 541519 Other Computer Related Services	$17,589,107	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
52	Business Computers Management Consulting Group (Bcmc) LLC Top NAICS codes 541512 Computer Systems Design Services	$17,059,013	0.4%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2023 and #45 in FY2025; up 27 since FY2023.
53	Cubic Digital Intelligence Inc. Top NAICS codes 541512 Computer Systems Design Services	$16,513,153	0.4%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2025; new.
54	World Wide Technology LLC Top NAICS codes 541519 Other Computer Related Services	$15,555,872	0.3%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023 and #34 in FY2025; up 42 since FY2023.
55	T-Mobile Secure Federal Operations LLC Top NAICS codes 517111 Wired Telecommunications Carriers 517110 Wired Telecommunications Carriers	$15,549,203	0.3%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2025; new.
56	Enterprise Resource Planning International, LLC Top NAICS codes 541512 Computer Systems Design Services	$15,200,789	0.3%	Rank history: #97 in FY2021, #81 in FY2022, #78 in FY2023 and #33 in FY2025; up 22 since FY2023.
57	Norseman Inc. Top NAICS codes 541519 Other Computer Related Services	$15,048,352	0.3%	Rank history: #16 in FY2021, #34 in FY2022, #50 in FY2023 and #70 in FY2025; down 7 since FY2023.
58	Colossal Contracting LLC Top NAICS codes 541519 Other Computer Related Services	$14,827,188	0.3%	Rank history: #30 in FY2021, #52 in FY2022, not on the FY2023 list and #78 in FY2025; up 156 since FY2023.
59	At&T Corp. 7 awardees, including At&T Technical Services Company, Inc., Directv, LLC and The Ohio Bell Telephone Company, LLC Top NAICS codes 517110 Wired Telecommunications Carriers 517919 All Other Telecommunications	$14,790,656	0.3%	Rank history: #42 in FY2021, #26 in FY2022, #17 in FY2023 and #36 in FY2025; down 42 since FY2023.
60	Engenius Consulting Group Inc. Top NAICS codes 541512 Computer Systems Design Services	$14,492,570	0.3%	Rank history: not on the FY2021 list, #70 in FY2022, #71 in FY2023 and #59 in FY2025; up 11 since FY2023.
61	Expression Networks LLC Top NAICS codes 541519 Other Computer Related Services	$14,010,738	0.3%	Rank history: #49 in FY2021, #57 in FY2022, #39 in FY2023 and #50 in FY2025; down 22 since FY2023.
62	Koniag, Inc. 5 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	$13,650,166	0.3%	Rank history: #23 in FY2021, #16 in FY2022, #16 in FY2023 and not on the FY2025 list; down 46 since FY2023.
63	3Links Technologies, Inc. Top NAICS codes 541513 Computer Facilities Management Services	$13,626,433	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
64	Georgia TECH Applied Research Corp Top NAICS codes 541511 Custom Computer Programming Services	$13,523,868	0.3%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
65	Blue TECH Inc. Top NAICS codes 541519 Other Computer Related Services	$13,442,657	0.3%	Rank history: #85 in FY2021, not on the FY2022–FY2023 lists and #54 in FY2025; up 69 since FY2023.
66	Government Acquisitions LLC Top NAICS codes 541519 Other Computer Related Services 334112 Computer Storage Device Manufacturing	$13,199,170	0.3%	Rank history: not on the FY2021 list, #64 in FY2022, #74 in FY2023 and not on the FY2025 list; up 8 since FY2023.
67	Madian It Solutions LLC Top NAICS codes 541519 Other Computer Related Services	$13,157,557	0.3%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2025; up 168 since FY2023.
68	Creative It Solutions LLC Top NAICS codes 541511 Custom Computer Programming Services	$13,131,704	0.3%	Rank history: #59 in FY2021, #63 in FY2022, #65 in FY2023 and #85 in FY2025; down 3 since FY2023.
69	Trace Systems Holdings Inc. Through Trace Systems, Inc. Top NAICS codes 541512 Computer Systems Design Services 517410 Satellite Telecommunications	$13,060,080	0.3%	Rank history: #53 in FY2021, #22 in FY2022, #24 in FY2023 and not on the FY2025 list; down 45 since FY2023.
70	DDC It Services LLC Top NAICS codes 541512 Computer Systems Design Services	$12,777,514	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
71	Mantech International Corporation Through Tapestry Technologies, Inc. Top NAICS codes 541519 Other Computer Related Services	$12,575,520	0.3%	Rank history: #33 in FY2021, #27 in FY2022, #26 in FY2023 and not on the FY2025 list; down 45 since FY2023.
72	Oracle Health Government Services Inc. Through Oracle America, Inc. Top NAICS codes 541519 Other Computer Related Services	$12,000,000	0.3%	Rank history: not on the FY2021–FY2023 lists and #56 in FY2025; new.
73	Sterling Computers Corporation Top NAICS codes 541519 Other Computer Related Services	$11,627,152	0.2%	Rank history: not on the FY2021 list, #71 in FY2022, #61 in FY2023 and #69 in FY2025; down 12 since FY2023.
74	Avantus Federal LLC Top NAICS codes 541330 Engineering Services	$11,515,862	0.2%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and #98 in FY2025; down 1 since FY2023.
75	TM3 Solutions Inc. Top NAICS codes 541519 Other Computer Related Services	$11,398,532	0.2%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2025; new.
76	DH Technologies, Inc. Top NAICS codes 541519 Other Computer Related Services	$11,305,350	0.2%	Rank history: #58 in FY2021, #95 in FY2022, #62 in FY2023 and #61 in FY2025; down 14 since FY2023.
77	Dell Technologies Inc. 2 awardees, including Dell Federal Systems L.P and Dell Marketing L.P. Top NAICS codes 541519 Other Computer Related Services 511210 Software Publishers 513210 Software Publishers	$10,787,141	0.2%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
78	Arrow Electronics, Inc. 2 awardees, including EC America, Inc. and Immixtechnology Inc. Top NAICS codes 443120 Computer and Software Stores 511210 Software Publishers 541519 Other Computer Related Services	$10,511,232	0.2%	Rank history: #26 in FY2021, not on the FY2022–FY2023 lists and #81 in FY2025; up 69 since FY2023.
79	Metrostar Systems, LLC Top NAICS codes 611420 Computer Training	$10,502,580	0.2%	Rank history: not on the FY2021 list, #84 in FY2022, not on the FY2023 list and #97 in FY2025; up 46 since FY2023.
80	Foxhole Technology LLC Top NAICS codes 611420 Computer Training 541512 Computer Systems Design Services	$10,391,613	0.2%	Rank history: #62 in FY2021, #74 in FY2022, #56 in FY2023 and #76 in FY2025; down 24 since FY2023.
81	Global Telecom & Technology Inc. 2 awardees, including GTT Global Telecom Government Services, LLC and GTT Americas, LLC Top NAICS codes 517111 Wired Telecommunications Carriers 517110 Wired Telecommunications Carriers 517911 Telecommunications Resellers	$10,231,827	0.2%	Rank history: #28 in FY2021, #32 in FY2022, not on the FY2023 list and not on the FY2025 list; up 50 since FY2023.
82	Gcr-Dean LLC Top NAICS codes 561210 Facilities Support Services	$9,937,748	0.2%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2023 and not on the FY2025 list; up 5 since FY2023.
83	Wildflower International, Ltd. Top NAICS codes 541519 Other Computer Related Services	$9,860,692	0.2%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2025; up 143 since FY2023.
84	Optimal Solutions Inc. Top NAICS codes 541519 Other Computer Related Services	$9,832,247	0.2%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2025; new.
85	Palantir Technologies Inc. Through Palantir USG Inc.	$9,821,619	0.2%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and #29 in FY2025; down 33 since FY2023.
86	Bahfed Corp Top NAICS codes 541519 Other Computer Related Services	$9,348,871	0.2%	Rank history: #70 in FY2021, #77 in FY2022, #57 in FY2023 and not on the FY2025 list; down 29 since FY2023.
87	Itellect LLC Top NAICS codes 541512 Computer Systems Design Services 541618 Other Management Consulting Services	$9,298,790	0.2%	Rank history: #78 in FY2021, #88 in FY2022, #83 in FY2023 and not on the FY2025 list; down 4 since FY2023.
88	Open SAN Consulting LLC Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 541512 Computer Systems Design Services	$9,266,684	0.2%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #75 in FY2025; up 10 since FY2023.
89	Koniag Technology Solutions Inc. Top NAICS codes 541511 Custom Computer Programming Services	$9,200,009	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
90	Appian Corporation Top NAICS codes 541512 Computer Systems Design Services	$8,670,461	0.2%	Rank history: #77 in FY2021, #79 in FY2022, #97 in FY2023 and #87 in FY2025; up 7 since FY2023.
91	North Texas Investors Group, Inc. Top NAICS codes 561612 Security Guards and Patrol Services	$8,505,783	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 14 since FY2023.
92	Iron Bow Technologies, LLC Top NAICS codes 541519 Other Computer Related Services	$8,485,052	0.2%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2025; new.
93	Sirius Computer Solutions, LLC Through Sirius Federal LLC Top NAICS codes 541519 Other Computer Related Services	$8,274,331	0.2%	Rank history: #25 in FY2021, #56 in FY2022, #45 in FY2023 and not on the FY2025 list; down 48 since FY2023.
94	Kpmg LLP Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$8,030,489	0.2%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2025; new.
95	Ryan Consulting Group Inc. Top NAICS codes 541512 Computer Systems Design Services	$7,930,215	0.2%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023 and #82 in FY2025; down 31 since FY2023.
96	Amentum Services, Inc. Top NAICS codes 541519 Other Computer Related Services	$7,880,828	0.2%	Rank history: #66 in FY2021, #69 in FY2022, #69 in FY2023 and not on the FY2025 list; down 27 since FY2023.
97	Strategic Communications LLC Top NAICS codes 541519 Other Computer Related Services	$7,834,652	0.2%	Rank history: not on the FY2021 list, #61 in FY2022, #75 in FY2023 and not on the FY2025 list; down 22 since FY2023.
98	Fedtec LLC Top NAICS codes 541519 Other Computer Related Services	$7,248,894	0.2%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2025; new.
99	On Assignment, Inc. 2 awardees, including Indrasoft Inc. and ECS Federal, LLC Top NAICS codes 541519 Other Computer Related Services	$7,233,076	0.2%	Rank history: #17 in FY2021, #37 in FY2022, #59 in FY2023 and not on the FY2025 list; down 40 since FY2023.
100	Kearney & Company, P.C. Top NAICS codes 541211 Offices of Certified Public Accountants	$6,980,060	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and not on the FY2025 list; down 1 since FY2023.

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100 of 701 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 $4.66 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2024 ran Oct 1, 2023 – Sep 30, 2024. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2023. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2023 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 Defense Information Systems Agency contractors in FY2024?

1. Leidos Holdings, Inc. ($652M), 2. Booz Allen Hamilton Holding Corporation ($302M), 3. Space Exploration Technologies Corp. ($216M), 4. General Dynamics Corporation ($189M), 5. H.i.g. Capital Management Inc. ($140M), 6. Knight Point Systems, LLC ($113M), 7. Microsoft Corporation ($97.5M), 8. Carahsoft Technology Corp ($78.6M), 9. By Light Professional It Services LLC ($77.4M), 10. Minburn Technology Group, LLC ($68.9M).

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