Top 100 Defense Finance and Accounting Service Contractors, FY2025

Name: Top 100 Defense Finance and Accounting Service Contractors, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Agency page on GovTribe

The top 10 won 67% of FY2025 Defense Finance and Accounting Service contract dollars

Contract obligations: $441,156,288 Net of deobligations, by the Defense Finance and Accounting Service and its offices
Contractors: 211 Parent companies with an obligation
Largest contractor: CACI International Inc. $216 million, 44.2% 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	CACI International Inc. Through Caci, Inc. - Federal Top NAICS codes 541512 Computer Systems Design Services	$215,552,142	44.2%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Peraton Inc. 2 awardees, including Peraton Enterprise Solutions LLC Top NAICS codes 541519 Other Computer Related Services 541511 Custom Computer Programming Services 541512 Computer Systems Design Services	$18,377,999	3.8%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; up 18 since FY2024.
3	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top NAICS codes 541512 Computer Systems Design Services 541511 Custom Computer Programming Services	$18,279,550	3.8%	Rank history: #4 in FY2021, #39 in FY2022, #2 in FY2023 and #9 in FY2024; up 6 since FY2024.
4	International Business Machines Corporation Top NAICS codes 541511 Custom Computer Programming Services	$17,258,173	3.5%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2024; up 55 since FY2024.
5	Microsoft Corporation Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 541512 Computer Systems Design Services	$13,357,032	2.7%	Rank history: #63 in FY2021, #62 in FY2022, #58 in FY2023 and #24 in FY2024; up 19 since FY2024.
6	Carahsoft Technology Corp Top NAICS codes 511210 Software Publishers	$9,389,549	1.9%	Rank history: #33 in FY2021, #31 in FY2022, #63 in FY2023 and #11 in FY2024; up 5 since FY2024.
7	Dell Technologies Inc. 2 awardees, including Dell Marketing L.P. and Dell Federal Systems L.P Top NAICS codes 511210 Software Publishers 513210 Software Publishers 334111 Electronic Computer Manufacturing	$9,209,954	1.9%	Rank history: not on the FY2021–FY2024 lists; up 97 since FY2024.
8	CGI Federal Inc. Top NAICS codes 541519 Other Computer Related Services	$9,107,536	1.9%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; unchanged since FY2024.
9	Scitech Services Inc. Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing	$8,945,235	1.8%	Rank history: not on the FY2021 list, #23 in FY2022 and not on the FY2023–FY2024 lists; returned.
10	W S Darley & Co Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing	$7,199,759	1.5%	Rank history: not on the FY2021–FY2024 lists; new.
11	Deloitte 2 awardees, including Deloitte & Touche LLP and Deloitte Consulting LLP Top NAICS codes 541519 Other Computer Related Services 541611 Administrative Management and General Management Consulting Services	$7,026,649	1.4%	Rank history: #11 in FY2021, not on the FY2022 list, #12 in FY2023 and #10 in FY2024; down 1 since FY2024.
12	Mountain Horse LLC Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing	$5,784,662	1.2%	Rank history: not on the FY2021 list, #8 in FY2022, #6 in FY2023 and #2 in FY2024; down 10 since FY2024.
13	Sigma Defense Systems LLC Top NAICS codes 334290 Other Communications Equipment Manufacturing	$5,506,027	1.1%	Rank history: #10 in FY2021, #10 in FY2022, #11 in FY2023 and #40 in FY2024; up 27 since FY2024.
14	Millerknoll Inc. Top NAICS codes 337214 Office Furniture (except Wood) Manufacturing	$5,174,204	1.1%	Rank history: not on the FY2021–FY2024 lists; new.
15	Ultra Electronics Ocean Systems Inc. Top NAICS codes 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing	$4,793,731	1.0%	Rank history: not on the FY2021–FY2024 lists; new.
16	Professional Software Consortium Inc. Top NAICS codes 541511 Custom Computer Programming Services 541519 Other Computer Related Services	$4,726,426	1.0%	Rank history: #21 in FY2021, #21 in FY2022, #22 in FY2023 and #35 in FY2024; up 19 since FY2024.
17	Sterling Computers Corporation Top NAICS codes 541519 Other Computer Related Services 334111 Electronic Computer Manufacturing	$4,294,242	0.9%	Rank history: not on the FY2021 list, #12 in FY2022, #35 in FY2023 and not on the FY2024 list; up 84 since FY2024.
18	Science Applications International Corporation 2 awardees Top NAICS codes 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing 541519 Other Computer Related Services	$4,234,902	0.9%	Rank history: not on the FY2021–FY2024 lists; up 189 since FY2024.
19	IST Research, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$3,982,032	0.8%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2024; down 4 since FY2024.
20	Nana Regional Corporation Inc. 2 awardees, including Affigent, LLC Top NAICS codes 541519 Other Computer Related Services	$3,748,362	0.8%	Rank history: #29 in FY2021, #85 in FY2022, #21 in FY2023 and #18 in FY2024; down 2 since FY2024.
21	Creative Solutions Consulting Inc. Top NAICS codes 541513 Computer Facilities Management Services	$3,624,439	0.7%	Rank history: #15 in FY2021, #38 in FY2022, #15 in FY2023 and #17 in FY2024; down 4 since FY2024.
22	Avaya Federal Solutions, Inc. Top NAICS codes 541513 Computer Facilities Management Services	$3,513,202	0.7%	Rank history: #20 in FY2021, #50 in FY2022, #18 in FY2023 and #19 in FY2024; down 3 since FY2024.
23	Signature Science, LLC Top NAICS codes 541620 Environmental Consulting Services	$3,375,037	0.7%	Rank history: not on the FY2021–FY2023 lists and #30 in FY2024; up 7 since FY2024.
24	Atlantic Diving Supply, Inc. 2 awardees, including 4 Star Technologies, Inc. Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing 541519 Other Computer Related Services	$3,269,689	0.7%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; down 10 since FY2024.
25	Tiber Creek Consulting Inc. Top NAICS codes 541519 Other Computer Related Services	$2,793,333	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
26	Licking-Knox Goodwill Industries, Inc. Top NAICS codes 561720 Janitorial Services	$2,779,282	0.6%	Rank history: #56 in FY2021, #43 in FY2022, #77 in FY2023 and #28 in FY2024; up 2 since FY2024.
27	Perpetual Technologies Inc. Top NAICS codes 541512 Computer Systems Design Services	$2,655,414	0.5%	Rank history: #91 in FY2021, #18 in FY2022, #30 in FY2023 and #31 in FY2024; up 4 since FY2024.
28	The Survice Engineering Company LLC Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$2,245,362	0.5%	Rank history: not on the FY2021 list, #30 in FY2022, #26 in FY2023 and #25 in FY2024; down 3 since FY2024.
29	Vanjoh Graphics, L.L.C. Top NAICS codes 541513 Computer Facilities Management Services	$2,174,840	0.4%	Rank history: not on the FY2021 list, #84 in FY2022, #29 in FY2023 and #39 in FY2024; up 10 since FY2024.
30	Vergence LLC Top NAICS codes 541519 Other Computer Related Services 541611 Administrative Management and General Management Consulting Services	$2,082,194	0.4%	Rank history: #61 in FY2021, #28 in FY2022, #36 in FY2023 and #49 in FY2024; up 19 since FY2024.
31	Kingfisher Systems, Inc. Top NAICS codes 541519 Other Computer Related Services	$2,049,846	0.4%	Rank history: not on the FY2021 list, #32 in FY2022, #37 in FY2023 and #63 in FY2024; up 32 since FY2024.
32	Vertosoft LLC Top NAICS codes 511210 Software Publishers	$1,983,654	0.4%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2023 and #38 in FY2024; up 6 since FY2024.
33	E.f. Kearney, Limited Through Kearney & Company, P.C. Top NAICS codes 541211 Offices of Certified Public Accountants	$1,878,792	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
34	Williams, Adley & Company DC LLP Top NAICS codes 541211 Offices of Certified Public Accountants	$1,676,108	0.3%	Rank history: #35 in FY2021, #65 in FY2022, #44 in FY2023 and #41 in FY2024; up 7 since FY2024.
35	Ask Sage, Inc. Top NAICS codes 541512 Computer Systems Design Services	$1,485,000	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
36	Blake Willson Group LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services 541512 Computer Systems Design Services	$1,417,797	0.3%	Rank history: #47 in FY2021, not on the FY2022 list, #60 in FY2023 and #54 in FY2024; up 18 since FY2024.
37	CDW Government LLC Top NAICS codes 334111 Electronic Computer Manufacturing	$1,369,544	0.3%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2024; down 24 since FY2024.
38	Colossal Contracting LLC Top NAICS codes 541519 Other Computer Related Services	$1,329,010	0.3%	Rank history: not on the FY2021–FY2022 lists, #85 in FY2023 and #72 in FY2024; up 34 since FY2024.
39	MJL Enterprises, LLC Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing	$1,280,751	0.3%	Rank history: not on the FY2021 list, #51 in FY2022, #24 in FY2023 and #6 in FY2024; down 33 since FY2024.
40	Healthequity, Inc. Top NAICS codes 524292 Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds	$1,268,316	0.3%	Rank history: #50 in FY2021, #47 in FY2022 and not on the FY2023–FY2024 lists; up 84 since FY2024.
41	Flywheel Data LLC Top NAICS codes 541519 Other Computer Related Services	$1,245,950	0.3%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2024; up 16 since FY2024.
42	Interfuze Corporation Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing	$1,169,042	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
43	Management Concepts, Inc. Top NAICS codes 611430 Professional and Management Development Training	$1,097,308	0.2%	Rank history: #41 in FY2021, not on the FY2022 list, #48 in FY2023 and #61 in FY2024; up 18 since FY2024.
44	Blue TECH Inc. Top NAICS codes 541519 Other Computer Related Services	$1,038,232	0.2%	Rank history: not on the FY2021–FY2024 lists; up 167 since FY2024.
45	T&R-Csci LLC Top NAICS codes 541519 Other Computer Related Services	$1,014,739	0.2%	Rank history: not on the FY2021 list, #49 in FY2022, #62 in FY2023 and #58 in FY2024; up 13 since FY2024.
46	Kpmg LLP Top NAICS codes 541211 Offices of Certified Public Accountants	$1,013,981	0.2%	Rank history: not on the FY2021–FY2024 lists; up 209 since FY2024.
47	Anthony Wayne Rehabilitation Center for Handicapped & Blind Inc. Top NAICS codes 561499 All Other Business Support Services 491110 Postal Service	$1,011,865	0.2%	Rank history: #42 in FY2021, not on the FY2022 list, #55 in FY2023 and #55 in FY2024; up 8 since FY2024.
48	Kongsberg Underwater Technology LLC Through Kongsberg Discovery US, LLC Top NAICS codes 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing	$953,935	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
49	Webucator, Inc. Top NAICS codes 611420 Computer Training	$927,015	0.2%	Rank history: not on the FY2021–FY2023 lists and #69 in FY2024; up 20 since FY2024.
50	Fedtec LLC Top NAICS codes 541512 Computer Systems Design Services	$780,323	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
51	K2 Contracting Group LLC Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors	$775,200	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
52	Gartner, Inc. Top NAICS codes 541519 Other Computer Related Services 541511 Custom Computer Programming Services	$769,589	0.2%	Rank history: #40 in FY2021, #45 in FY2022, #45 in FY2023 and #32 in FY2024; down 20 since FY2024.
53	Government Scientific Source Inc. Top NAICS codes 334519 Other Measuring and Controlling Device Manufacturing	$748,838	0.2%	Rank history: not on the FY2021 list, #61 in FY2022, #50 in FY2023 and #23 in FY2024; down 30 since FY2024.
54	FCN, Inc. Top NAICS codes 541519 Other Computer Related Services	$746,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2023 and #12 in FY2024; down 42 since FY2024.
55	Technical Management Services LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$718,407	0.1%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2024; up 16 since FY2024.
56	New TECH Solutions, Inc. Top NAICS codes 541519 Other Computer Related Services	$716,370	0.1%	Rank history: #45 in FY2021, #74 in FY2022, #57 in FY2023 and #26 in FY2024; down 30 since FY2024.
57	Readiforce Government Solutions LLC Top NAICS codes 622110 General Medical and Surgical Hospitals	$712,590	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
58	Chenega Analytic Business Solutions, LLC Top NAICS codes 541330 Engineering Services	$652,353	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
59	August Schell Enterprises, Inc. Top NAICS codes 541519 Other Computer Related Services	$633,511	0.1%	Rank history: not on the FY2021 list, #58 in FY2022, not on the FY2023 list and #79 in FY2024; up 20 since FY2024.
60	Beast Code LLC Top NAICS codes 541713 Research and Development in Nanotechnology	$570,061	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
61	At&T Inc. Through Att Mobility LLC Top NAICS codes 517312 Wireless Telecommunications Carriers (except Satellite) 517112 Wireless Telecommunications Carriers (except Satellite)	$545,345	0.1%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; up 7 since FY2024.
62	Cykor LLC Top NAICS codes 541519 Other Computer Related Services	$531,952	0.1%	Rank history: #71 in FY2021, #63 in FY2022, #84 in FY2023 and #81 in FY2024; up 19 since FY2024.
63	Griffiss Utility Services Corporation Top NAICS codes 221330 Steam and Air-Conditioning Supply	$514,909	0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 33 since FY2024.
64	Sanford Federal, Inc. Top NAICS codes 621399 Offices of All Other Miscellaneous Health Practitioners	$496,195	0.1%	Rank history: #62 in FY2021, #97 in FY2022, #73 in FY2023 and #73 in FY2024; up 9 since FY2024.
65	Ernst & Young LLP Top NAICS codes 541211 Offices of Certified Public Accountants	$496,067	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
66	Arrow Electronics, Inc. Through Immixtechnology Inc. Top NAICS codes 541519 Other Computer Related Services	$476,197	0.1%	Rank history: #31 in FY2021, #33 in FY2022 and not on the FY2023–FY2024 lists; up 64 since FY2024.
67	Absolute Strategic Technologies, LLC Top NAICS codes 541511 Custom Computer Programming Services	$458,082	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
68	Oneida-Lewis Chapter, Nysarc Top NAICS codes 561720 Janitorial Services	$457,365	0.1%	Rank history: not on the FY2021–FY2024 lists; up 167 since FY2024.
69	Trillion Technology Solutions Inc. Top NAICS codes 541519 Other Computer Related Services	$452,492	0.1%	Rank history: #89 in FY2021, #64 in FY2022, #93 in FY2023 and #91 in FY2024; up 22 since FY2024.
70	Pluralsight, LLC Top NAICS codes 611420 Computer Training	$430,500	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
71	Coursera, Inc. Top NAICS codes 611420 Computer Training	$396,430	0.1%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and #75 in FY2024; up 4 since FY2024.
72	CMC & Maintenance Inc. Top NAICS codes 561720 Janitorial Services	$324,081	0.1%	Rank history: not on the FY2021 list, #89 in FY2022 and not on the FY2023–FY2024 lists; returned.
73	Software Information Resource Corp Top NAICS codes 541519 Other Computer Related Services	$321,024	0.1%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023 and not on the FY2024 list; up 37 since FY2024.
74	L3Harris Technologies, Inc. 2 awardees Top NAICS codes 541519 Other Computer Related Services	$316,903	0.1%	Rank history: not on the FY2021–FY2024 lists; up 135 since FY2024.
75	Jacmeals L.L.C. Top NAICS codes 722310 Food Service Contractors	$307,300	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
76	Everfox LLC Top NAICS codes 611420 Computer Training	$303,903	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
77	Aevex Aerospace, LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services	$300,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
78	M.c. Dean, Inc. Top NAICS codes 541330 Engineering Services	$299,706	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Quality Associates, Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$297,600	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
80	Advanced Computer Concepts, Inc. Top NAICS codes 541519 Other Computer Related Services	$290,411	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and #16 in FY2024; down 64 since FY2024.
81	Integration Technologies Group, Inc. Top NAICS codes 541519 Other Computer Related Services	$276,482	0.1%	Rank history: #38 in FY2021, not on the FY2022 list, #52 in FY2023 and not on the FY2024 list; up 44 since FY2024.
82	The Computer Workshop Inc Top NAICS codes 611420 Computer Training	$267,780	0.1%	Rank history: not on the FY2021–FY2024 lists; up 30 since FY2024.
83	Govsmart, Inc. Top NAICS codes 541519 Other Computer Related Services	$261,169	0.1%	Rank history: #55 in FY2021, not on the FY2022 list, #78 in FY2023 and #67 in FY2024; down 16 since FY2024.
84	Crosstown Courier Service Inc. Top NAICS codes 492110 Couriers and Express Delivery Services	$259,877	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
85	Casepoint, LLC Top NAICS codes 511210 Software Publishers	$250,132	0.1%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2024; up 14 since FY2024.
86	Carley Technologies Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$250,007	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
87	Victory Global Solutions, Inc. Top NAICS codes 238220 Plumbing, Heating, and Air-Conditioning Contractors 541519 Other Computer Related Services	$249,791	0.1%	Rank history: not on the FY2021–FY2024 lists; up 150 since FY2024.
88	Kmm-Black Wave Llc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$245,537	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Crawford Technologies USA Inc. Top NAICS codes 541519 Other Computer Related Services	$213,736	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 29 since FY2024.
90	Diagenix Corporation Top NAICS codes 811212 Computer and Office Machine Repair and Maintenance	$205,306	<0.1%	Rank history: #92 in FY2021, #76 in FY2022 and not on the FY2023–FY2024 lists; up 21 since FY2024.
91	Loth Inc. Top NAICS codes 337214 Office Furniture (except Wood) Manufacturing	$200,740	<0.1%	Rank history: #76 in FY2021 and not on the FY2022–FY2024 lists; up 38 since FY2024.
92	Tam C Solutions LLC Through Globo Language Solutions LLC Top NAICS codes 541930 Translation and Interpretation Services	$189,449	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 25 since FY2024.
93	Techanax LLC Top NAICS codes 541519 Other Computer Related Services	$181,856	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 26 since FY2024.
94	Cogent Infotech Corp Top NAICS codes 541519 Other Computer Related Services	$181,680	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Versar Security Systems, LLC Top NAICS codes 561621 Security Systems Services (except Locksmiths)	$179,858	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 147 since FY2024.
96	Abs Alpha Group GMBH Top NAICS codes 337214 Office Furniture (except Wood) Manufacturing	$171,766	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Enlighteneering, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$170,578	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 31 since FY2024.
98	Phoenix Technology Solutions, L.L.C. Top NAICS codes 611420 Computer Training 611430 Professional and Management Development Training	$148,534	<0.1%	Rank history: #94 in FY2021 and not on the FY2022–FY2024 lists; up 22 since FY2024.
99	Pitney Bowes Inc. Top NAICS codes 561499 All Other Business Support Services 333298 All Other Industrial Machinery Manufacturing	$148,416	<0.1%	Rank history: not on the FY2021 list, #78 in FY2022 and not on the FY2023–FY2024 lists; up 35 since FY2024.
100	CMA Technology Inc. Top NAICS codes 541519 Other Computer Related Services	$147,817	<0.1%	Rank history: #83 in FY2021, #52 in FY2022 and not on the FY2023–FY2024 lists; up 39 since FY2024.

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100 of 211 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 $487 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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 Finance and Accounting Service contractors in FY2025?

1. CACI International Inc. ($216M), 2. Peraton Inc. ($18.4M), 3. Booz Allen Hamilton Holding Corporation ($18.3M), 4. International Business Machines Corporation ($17.3M), 5. Microsoft Corporation ($13.4M), 6. Carahsoft Technology Corp ($9.39M), 7. Dell Technologies Inc. ($9.21M), 8. CGI Federal Inc. ($9.11M), 9. Scitech Services Inc. ($8.95M), 10. W S Darley & Co ($7.2M).

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