Top 100 Contractors in PSC DB: IT and Telecom – Compute, FY2025

Name: Top 100 Contractors in PSC DB: IT and Telecom – Compute, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 56% of FY2025 PSC DB contract dollars

Contract obligations: $1,767,042,337 Net of deobligations, by contracts coded PSC DB or a code under it
Contractors: 345 Parent companies with an obligation
Largest contractor: Amazon Web Services, Inc. $225 million, 12.2% of obligations
Data as of: Oct 23, 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	Amazon Web Services, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$225,186,944	12.2%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2024; up 1 since FY2024.
2	Four Points Technology, L.L.C. Top agencies VA (Department of Veterans Affairs) NASA (National Aeronautics and Space Administration) HHS (Department of Health and Human Services)	$217,340,011	11.7%	Rank history: not on the FY2021 list, #5 in FY2022, #1 in FY2023 and #1 in FY2024; down 1 since FY2024.
3	Microsoft Corporation Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency) DFAS (Defense Finance and Accounting Service)	$112,230,836	6.1%	Rank history: not on the FY2021–FY2022 lists, #7 in FY2023 and #5 in FY2024; up 2 since FY2024.
4	Science Applications International Corporation 2 awardees Top agencies Treasury (Department of the Treasury) DOT (Department of Transportation) USDA (Department of Agriculture)	$105,618,766	5.7%	Rank history: #9 in FY2021, #4 in FY2022, #72 in FY2023 and #13 in FY2024; up 9 since FY2024.
5	Arctic Slope Regional Corporation Through Inuteq, LLC Top agencies NASA (National Aeronautics and Space Administration)	$87,465,361	4.7%	Rank history: #4 in FY2021, #2 in FY2022, #5 in FY2023 and #17 in FY2024; up 12 since FY2024.
6	BAE Systems 2 awardees, including BAE Systems Technology Solutions & Services Inc. and BAE Systems Information and Electronic Systems Integration Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$82,021,909	4.4%	Rank history: not on the FY2021 list, #7 in FY2022, #2 in FY2023 and #3 in FY2024; down 3 since FY2024.
7	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency) HHS (Department of Health and Human Services)	$61,735,966	3.3%	Rank history: #3 in FY2021, #3 in FY2022, #6 in FY2023 and #8 in FY2024; up 1 since FY2024.
8	General Dynamics Corporation 2 awardees, including General Dynamics Information Technology, Inc. Top agencies DOS (Department of State) Commerce (Department of Commerce) Navy (Department of the Navy)	$51,086,493	2.8%	Rank history: #1 in FY2021, #1 in FY2022, #3 in FY2023 and #4 in FY2024; down 4 since FY2024.
9	Oracle Health Government Services Inc. Through Oracle America, Inc. Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency) DHRA (Defense Human Resources Activity)	$49,667,483	2.7%	Rank history: not on the FY2021–FY2024 lists; up 95 since FY2024.
10	Bowhead Total Enterprise Solutions LLC Top agencies Army (Department of the Army)	$43,502,661	2.3%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; up 12 since FY2024.
11	Koniag, Inc. 2 awardees, including Koniag It Systems, LLC and Kadiak LLC Top agencies DHA (Defense Health Agency) OSD (Office of the Secretary of Defense)	$31,468,352	1.7%	Rank history: not on the FY2021 list, #24 in FY2022, #16 in FY2023 and #29 in FY2024; up 18 since FY2024.
12	Spinsys-Dine, LLC Top agencies DHA (Defense Health Agency)	$29,170,928	1.6%	Rank history: not on the FY2021–FY2023 lists and #19 in FY2024; up 7 since FY2024.
13	International Business Machines Corporation 2 awardees Top agencies DHS (Department of Homeland Security) RRB (Railroad Retirement Board) USDA (Department of Agriculture)	$29,147,285	1.6%	Rank history: #8 in FY2021, #19 in FY2022, #12 in FY2023 and #41 in FY2024; up 28 since FY2024.
14	Peraton Inc. 2 awardees Top agencies DOI (Department of the Interior)	$28,771,169	1.6%	Rank history: not on the FY2021–FY2023 lists and #26 in FY2024; up 12 since FY2024.
15	Zenpoint Solutions LLC Top agencies DOS (Department of State)	$25,914,947	1.4%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2024; down 8 since FY2024.
16	Clarity Innovations LLC Top agencies USSOCOM (United States Special Operations Command)	$22,321,197	1.2%	Rank history: not on the FY2021–FY2024 lists; new.
17	Bristol Bay Native Corporation Through Vista Defense Technologies, LLC Top agencies DHA (Defense Health Agency)	$21,869,629	1.2%	Rank history: not on the FY2021–FY2024 lists; new.
18	Dell Technologies Inc. 2 awardees, including Dell Marketing L.P. and Dell Federal Systems L.P Top agencies Navy (Department of the Navy) DTRA (Defense Threat Reduction Agency) HHS (Department of Health and Human Services)	$20,784,352	1.1%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; up 26 since FY2024.
19	Greenbrier Government Solutions Inc. Top agencies VA (Department of Veterans Affairs)	$18,944,218	1.0%	Rank history: not on the FY2021–FY2022 lists, #15 in FY2023 and #14 in FY2024; down 5 since FY2024.
20	Samtek Inc. Top agencies HHS (Department of Health and Human Services)	$17,639,592	1.0%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and #15 in FY2024; down 5 since FY2024.
21	Thundercat Technology LLC Top agencies DOS (Department of State) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$17,134,432	0.9%	Rank history: #10 in FY2021, #10 in FY2022, #19 in FY2023 and #38 in FY2024; up 17 since FY2024.
22	L3Harris Technologies, Inc. 2 awardees, including Fisica Applied Technologies, Inc. Top agencies USAF (Department of the Air Force) DOI (Department of the Interior)	$16,230,033	0.9%	Rank history: #6 in FY2021, #9 in FY2022, #13 in FY2023 and #18 in FY2024; down 4 since FY2024.
23	Mississippi State University Research and Technology Corporation Top agencies Commerce (Department of Commerce)	$15,000,000	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
24	Smartronix, LLC Top agencies CFTC (Commodity Futures Trading Commission) HHS (Department of Health and Human Services)	$14,580,002	0.8%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; down 4 since FY2024.
25	Accenture Federal Services LLC Top agencies USAF (Department of the Air Force) DOE (Department of Energy)	$13,231,512	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
26	Blackwatch International Corporation Top agencies Commerce (Department of Commerce)	$12,615,072	0.7%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2023 and #21 in FY2024; down 5 since FY2024.
27	Communications Training Analysis Corporation Top agencies NARA (National Archives and Records Administration) HHS (Department of Health and Human Services)	$12,559,285	0.7%	Rank history: #27 in FY2021, #11 in FY2022, #22 in FY2023 and #25 in FY2024; down 2 since FY2024.
28	Dine' Source, LLC Top agencies USAF (Department of the Air Force)	$11,564,746	0.6%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2024; down 1 since FY2024.
29	B&T Technology Services, G.p. Top agencies Army (Department of the Army)	$11,179,312	0.6%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2023 and #33 in FY2024; up 4 since FY2024.
30	Ukpeagvik Inupiat Corporation Through Bowhead Mission Solutions, LLC Top agencies Army (Department of the Army)	$10,538,342	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
31	Optiv Federal Inc. 2 awardees, including Fedbiz It Solutions LLC Top agencies Commerce (Department of Commerce)	$10,503,862	0.6%	Rank history: not on the FY2021–FY2024 lists; new.
32	Google Public Sector LLC Top agencies Army (Department of the Army) DISA (Defense Information Systems Agency) Navy (Department of the Navy)	$9,991,707	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
33	DNI Emerging Technologies, LLC Top agencies USAF (Department of the Air Force)	$9,707,440	0.5%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; up 1 since FY2024.
34	Sagewind Capital LLC Through Cole Engineering Services, Inc. Top agencies Army (Department of the Army)	$9,216,258	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
35	Highrise Consulting Inc. Top agencies HHS (Department of Health and Human Services)	$9,085,602	0.5%	Rank history: not on the FY2021 list, #17 in FY2022, #31 in FY2023 and #36 in FY2024; up 1 since FY2024.
36	New Generation Solution LLC Top agencies USAF (Department of the Air Force)	$9,032,206	0.5%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2023 and #39 in FY2024; up 3 since FY2024.
37	Minburn Technology Group, LLC Top agencies SBA (Small Business Administration) Treasury (Department of the Treasury) VA (Department of Veterans Affairs)	$8,029,984	0.4%	Rank history: not on the FY2021 list, #51 in FY2022, #48 in FY2023 and #31 in FY2024; down 6 since FY2024.
38	Steampunk, Inc. Top agencies HHS (Department of Health and Human Services)	$7,460,167	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
39	Oddball, Inc. Top agencies SEC (Securities and Exchange Commission)	$7,397,830	0.4%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and #70 in FY2024; up 31 since FY2024.
40	Tuvli LLC Top agencies HHS (Department of Health and Human Services)	$7,357,250	0.4%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2024; up 7 since FY2024.
41	Carahsoft Technology Corp Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$6,677,817	0.4%	Rank history: #51 in FY2021, #86 in FY2022, not on the FY2023 list and #69 in FY2024; up 28 since FY2024.
42	Asgn Incorporated Through ECS Federal, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$6,475,429	0.3%	Rank history: not on the FY2021–FY2023 lists and #92 in FY2024; up 50 since FY2024.
43	T-Rex Solutions LLC Top agencies ED (Department of Education)	$6,366,981	0.3%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 11 since FY2024.
44	Open SAN Consulting L.L.C. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$6,305,009	0.3%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2024; down 9 since FY2024.
45	G2Sf LLC Top agencies DOI (Department of the Interior)	$6,246,388	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
46	Blue TECH Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$6,023,920	0.3%	Rank history: not on the FY2021–FY2024 lists; up 78 since FY2024.
47	Trussworks Inc. Top agencies HUD (Department of Housing and Urban Development)	$5,762,971	0.3%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and not on the FY2024 list; up 67 since FY2024.
48	Nava PBC Top agencies SEC (Securities and Exchange Commission)	$5,651,326	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
49	Research Innovations Incorporated Top agencies USAF (Department of the Air Force)	$5,603,933	0.3%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023 and #11 in FY2024; down 38 since FY2024.
50	Chakrabarti Management Consultancy, Inc. Top agencies DHS (Department of Homeland Security)	$5,561,046	0.3%	Rank history: #21 in FY2021, #27 in FY2022, #34 in FY2023 and #46 in FY2024; down 4 since FY2024.
51	LMI Consulting, LLC Top agencies Army (Department of the Army)	$5,414,844	0.3%	Rank history: not on the FY2021 list, #18 in FY2022, #20 in FY2023 and #28 in FY2024; down 23 since FY2024.
52	Chickasaw Nation 2 awardees, including Chickasaw Service Solutions, LLC and Chickasaw Strategic Pointe, LLC Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services)	$5,322,820	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
53	Attain Consulting Group LLC Through Maximus Federal Technology Solutions, LLC Top agencies SEC (Securities and Exchange Commission)	$5,214,922	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
54	Data Systems Analysts Inc. Through Project Performance Company, LLC Top agencies DOJ (Department of Justice)	$5,148,734	0.3%	Rank history: not on the FY2021 list, #20 in FY2022, #33 in FY2023 and #72 in FY2024; up 18 since FY2024.
55	Saab, Inc. Top agencies DOT (Department of Transportation)	$5,072,000	0.3%	Rank history: not on the FY2021–FY2024 lists; up 132 since FY2024.
56	Steerbridge Strategies LLC Top agencies VA (Department of Veterans Affairs)	$4,998,353	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
57	Strategic Operational Solutions Inc Top agencies Army (Department of the Army)	$4,521,465	0.2%	Rank history: not on the FY2021–FY2023 lists and #56 in FY2024; down 1 since FY2024.
58	Uavionix Corp Top agencies DOT (Department of Transportation)	$4,444,000	0.2%	Rank history: not on the FY2021–FY2023 lists and #68 in FY2024; up 10 since FY2024.
59	Forethought, Inc. Top agencies Navy (Department of the Navy)	$4,378,844	0.2%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2024; down 17 since FY2024.
60	Quality Information Partners, Inc. Top agencies ED (Department of Education)	$4,239,130	0.2%	Rank history: #26 in FY2021, #34 in FY2022, #40 in FY2023 and #51 in FY2024; down 9 since FY2024.
61	Rand Consulting Group, LLC Top agencies DLA (Defense Logistics Agency)	$3,970,681	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
62	Coho Technology Solutions, LLC Top agencies USAF (Department of the Air Force)	$3,911,055	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
63	Dynamic Systems Inc. Top agencies VA (Department of Veterans Affairs)	$3,843,777	0.2%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2024; down 3 since FY2024.
64	CDW Government LLC 2 awardees, including Sirius Federal LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) Navy (Department of the Navy)	$3,777,871	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
65	Total Resource Management Inc Top agencies GSA (General Services Administration)	$3,685,273	0.2%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2024; down 11 since FY2024.
66	Deloitte Through Deloitte Consulting LLP Top agencies HHS (Department of Health and Human Services)	$3,296,213	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
67	Can Softtech Inc Top agencies USAF (Department of the Air Force)	$3,273,125	0.2%	Rank history: not on the FY2021–FY2023 lists and #79 in FY2024; up 12 since FY2024.
68	Penguin Computing Inc. Top agencies Army (Department of the Army)	$3,215,138	0.2%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; down 3 since FY2024.
69	Bart & Associates, LLC Through Idoxsolutions, Inc. Top agencies DOS (Department of State)	$2,998,189	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
70	Unified Business Technologies, Inc. Top agencies USSOCOM (United States Special Operations Command) Navy (Department of the Navy)	$2,882,700	0.2%	Rank history: not on the FY2021–FY2024 lists; up 79 since FY2024.
71	Teksynap Corporation Top agencies Army (Department of the Army)	$2,862,232	0.2%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023 and #59 in FY2024; down 12 since FY2024.
72	Katmai Diversified Services LLC Top agencies USAF (Department of the Air Force)	$2,846,862	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
73	Indra Air Traffic, Inc. Top agencies DOT (Department of Transportation)	$2,668,000	0.1%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 4 since FY2024.
74	Raventek Solution Partners, LLC Top agencies HHS (Department of Health and Human Services)	$2,652,370	0.1%	Rank history: not on the FY2021 list, #44 in FY2022, #58 in FY2023 and #73 in FY2024; down 1 since FY2024.
75	Sabel Systems Technology Solutions, LLC Top agencies Army (Department of the Army)	$2,635,934	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
76	Johnson Controls Security Solutions LLC Top agencies DOJ (Department of Justice)	$2,495,719	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
77	Vertex Solutions, LLC Top agencies USAF (Department of the Air Force)	$2,275,689	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
78	Tyto Athene, LLC 2 awardees, including Qbase, LLC Top agencies OSD (Office of the Secretary of Defense) Army (Department of the Army)	$2,235,452	0.1%	Rank history: not on the FY2021–FY2024 lists; up 143 since FY2024.
79	Bridgephase LLC Top agencies DHS (Department of Homeland Security)	$2,155,277	0.1%	Rank history: not on the FY2021 list, #41 in FY2022, #46 in FY2023 and #64 in FY2024; down 15 since FY2024.
80	Computer World Services Corp. Top agencies Treasury (Department of the Treasury)	$2,097,143	0.1%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2024; down 28 since FY2024.
81	Government Acquisitions LLC Top agencies Commerce (Department of Commerce) Treasury (Department of the Treasury) Navy (Department of the Navy)	$2,035,767	0.1%	Rank history: not on the FY2021–FY2023 lists and #85 in FY2024; up 4 since FY2024.
82	The Ardian Group, Inc. Top agencies DHS (Department of Homeland Security)	$2,033,604	0.1%	Rank history: not on the FY2021 list, #90 in FY2022, #60 in FY2023 and #63 in FY2024; down 19 since FY2024.
83	CCS Lintech JV LLC Top agencies DHA (Defense Health Agency)	$2,029,157	0.1%	Rank history: not on the FY2021–FY2024 lists; up 123 since FY2024.
84	OLH Technical Services, LLC Top agencies DHS (Department of Homeland Security)	$2,018,834	0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 12 since FY2024.
85	Great Hill Solutions, LLC Top agencies DOS (Department of State)	$2,015,348	0.1%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and #23 in FY2024; down 62 since FY2024.
86	The Chenega Corporation Through Chenega Services & Federal Solutions, LLC Top agencies EPA (Environmental Protection Agency)	$2,004,186	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
87	Nationwide It Services Inc. Top agencies DOI (Department of the Interior)	$1,993,644	0.1%	Rank history: not on the FY2021 list, #58 in FY2022, #50 in FY2023 and #75 in FY2024; down 12 since FY2024.
88	N.v.i. Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,841,174	0.1%	Rank history: not on the FY2021 list, #55 in FY2022, #59 in FY2023 and #83 in FY2024; down 5 since FY2024.
89	New TECH Solutions, Inc. Top agencies NRC (Nuclear Regulatory Commission) STB (Surface Transportation Board) DHS (Department of Homeland Security)	$1,784,197	0.1%	Rank history: #50 in FY2021, #15 in FY2022, #14 in FY2023 and #24 in FY2024; down 65 since FY2024.
90	Biswas Information Technology Solutions Inc. Top agencies Treasury (Department of the Treasury)	$1,775,000	0.1%	Rank history: #19 in FY2021, #68 in FY2022, #77 in FY2023 and not on the FY2024 list; returned.
91	Arch Systems LLC Top agencies Army (Department of the Army)	$1,740,848	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	Stellar Science Ltd. Co. Top agencies NASA (National Aeronautics and Space Administration)	$1,684,768	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	Uptodate, Inc. Top agencies DHA (Defense Health Agency)	$1,644,281	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
94	Abacus Technology Corporation Top agencies USAF (Department of the Air Force)	$1,627,816	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Accessagility LLC Top agencies DOJ (Department of Justice) RRB (Railroad Retirement Board)	$1,529,960	0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023 and not on the FY2024 list; up 8 since FY2024.
96	PAT V Mack Inc Top agencies Army (Department of the Army)	$1,518,950	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Ntrepid, LLC Top agencies DOJ (Department of Justice)	$1,517,290	0.1%	Rank history: not on the FY2021–FY2023 lists and #78 in FY2024; down 19 since FY2024.
98	Hewlett Packard Enterprise Company Top agencies USDA (Department of Agriculture) USAF (Department of the Air Force) Army (Department of the Army)	$1,481,868	0.1%	Rank history: not on the FY2021–FY2024 lists; up 98 since FY2024.
99	Colossal Contracting LLC Top agencies GAO (Government Accountability Office) Commerce (Department of Commerce) Navy (Department of the Navy)	$1,476,444	0.1%	Rank history: not on the FY2021–FY2024 lists; up 34 since FY2024.
100	Trillion ERP Venturetech, LLC Top agencies DHS (Department of Homeland Security)	$1,469,026	0.1%	Rank history: not on the FY2021 list, #89 in FY2022, #71 in FY2023 and #89 in FY2024; down 11 since FY2024.

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100 of 345 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC DB

Code	Net obligations	Largest contractor
DB10 IT and Telecom – Compute as a Service: Mainframe/Servers	$927,163,710	Four Points Technology, L.L.C.
DB01 IT and Telecom – High Performance Computing (HPC) Support Services (Labor)	$496,096,514	Arctic Slope Regional Corporation
DB02 IT and Telecom – Compute Support Services, Non-HPC (Labor)	$343,782,113	Science Applications International Corporation

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 $1.85 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 PSC DB contractors in FY2025?

1. Amazon Web Services, Inc. ($225M), 2. Four Points Technology, L.L.C. ($217M), 3. Microsoft Corporation ($112M), 4. Science Applications International Corporation ($106M), 5. Arctic Slope Regional Corporation ($87.5M), 6. BAE Systems ($82M), 7. Booz Allen Hamilton Holding Corporation ($61.7M), 8. General Dynamics Corporation ($51.1M), 9. Oracle Health Government Services Inc. ($49.7M), 10. Bowhead Total Enterprise Solutions LLC ($43.5M).

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