Top 100 Contractors in PSC J059: Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components, FY2025

Name: Top 100 Contractors in PSC J059: Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components, FY2025
Creator: GovTribe

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

The top 10 won 49% of FY2025 PSC J059 contract dollars

Contract obligations: $1,490,169,912 Net of deobligations, by contracts coded PSC J059
Contractors: 1,029 Parent companies with an obligation
Largest contractor: Serco Inc $153 million, 9.4% 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	Serco Inc Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$153,478,387	9.4%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Northrop Grumman Corporation 12 awardees, including Northrop Grumman Systems Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$106,999,184	6.6%	Rank history: #1 in FY2021, #4 in FY2022, #9 in FY2023 and #4 in FY2024; up 2 since FY2024.
3	BAE Systems 6 awardees, including BAE Systems Technology Solutions & Services Inc. and BAE Systems Information and Electronic Systems Integration Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$102,065,350	6.3%	Rank history: #13 in FY2021, #8 in FY2022, #3 in FY2023 and #3 in FY2024; unchanged since FY2024.
4	Johnson Controls Building Automation Systems, LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$98,616,957	6.1%	Rank history: not on the FY2021–FY2024 lists; new.
5	Sielman S.A. Top agencies Army (Department of the Army)	$85,088,735	5.2%	Rank history: #29 in FY2021, #72 in FY2022, #28 in FY2023 and #15 in FY2024; up 10 since FY2024.
6	Science Applications International Corporation 2 awardees Top agencies Navy (Department of the Navy)	$67,825,382	4.2%	Rank history: #3 in FY2021, #2 in FY2022, #5 in FY2023 and #19 in FY2024; up 13 since FY2024.
7	L3Harris Technologies, Inc. 15 awardees, including L3 Technologies, Inc. and L3Harris Technologies Integrated Systems L.P. Top agencies USAF (Department of the Air Force) Army (Department of the Army) DHS (Department of Homeland Security)	$57,047,018	3.5%	Rank history: #5 in FY2021, #7 in FY2022, #1 in FY2023 and #2 in FY2024; down 5 since FY2024.
8	Motorola Solutions, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$55,135,011	3.4%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2024; up 1 since FY2024.
9	Teledyne Technologies Incorporated 4 awardees, including Teledyne Flir Defense, Inc. and Teledyne Instruments, Inc. Top agencies Army (Department of the Army) DOT (Department of Transportation) HHS (Department of Health and Human Services)	$36,740,319	2.3%	Rank history: #50 in FY2021, #24 in FY2022, #17 in FY2023 and #11 in FY2024; up 2 since FY2024.
10	RTX Corporation 16 awardees, including Raytheon Company, Rockwell Collins, Inc. and Raytheon Systems Limited Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$33,055,882	2.0%	Rank history: #4 in FY2021, #3 in FY2022, #2 in FY2023 and #5 in FY2024; down 5 since FY2024.
11	L3 Technologies, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$30,690,144	1.9%	Rank history: not on the FY2021–FY2024 lists; new.
12	General Dynamics Corporation 6 awardees, including General Dynamics Information Technology, Inc., General Dynamics Mission Systems, Inc. and General Dynamics One Source LLC Top agencies DOT (Department of Transportation) Army (Department of the Army) USAF (Department of the Air Force)	$24,179,660	1.5%	Rank history: not on the FY2021 list, #15 in FY2022, #7 in FY2023 and #10 in FY2024; down 2 since FY2024.
13	Spectrum Solutions Inc. Top agencies Army (Department of the Army)	$23,923,061	1.5%	Rank history: not on the FY2021–FY2024 lists; new.
14	Noblis MSD LLC Top agencies Navy (Department of the Navy)	$22,581,699	1.4%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; up 10 since FY2024.
15	Chugach Technical Solutions LLC Top agencies Navy (Department of the Navy)	$22,488,619	1.4%	Rank history: #7 in FY2021, #6 in FY2022, #6 in FY2023 and #6 in FY2024; down 9 since FY2024.
16	Alamo-Evergreen JV LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$20,034,677	1.2%	Rank history: not on the FY2021–FY2024 lists; new.
17	CACI International Inc. 3 awardees, including Caci, Inc. - Federal and Caci Nss, LLC Top agencies Navy (Department of the Navy) USDA (Department of Agriculture)	$18,739,043	1.2%	Rank history: #15 in FY2021, #12 in FY2022, #23 in FY2023 and #39 in FY2024; up 22 since FY2024.
18	M.c. Dean, Inc. Top agencies Army (Department of the Army) WHS (DOD Washington Headquarters Service) SSA (Social Security Administration)	$17,381,459	1.1%	Rank history: #24 in FY2021, #38 in FY2022, not on the FY2023 list and #69 in FY2024; up 51 since FY2024.
19	Cubic Defense Applications Inc. Top agencies USAF (Department of the Air Force)	$17,182,882	1.1%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 3 since FY2024.
20	Alutiiq Information Management, LLC Top agencies Navy (Department of the Navy)	$16,694,192	1.0%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2024; up 1 since FY2024.
21	Interfuze Corporation Top agencies Army (Department of the Army)	$15,471,335	1.0%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2023 and #17 in FY2024; down 4 since FY2024.
22	Siemens Corporation Through Siemens Government Technologies Inc. Top agencies Army (Department of the Army)	$15,325,938	0.9%	Rank history: not on the FY2021–FY2024 lists; new.
23	KBR Wyle Services LLC 2 awardees, including KBR Services, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$14,756,835	0.9%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; down 1 since FY2024.
24	Lockheed Martin Corporation 7 awardees, including Sikorsky Aircraft Corporation Top agencies USAF (Department of the Air Force)	$12,333,750	0.8%	Rank history: #6 in FY2021, #5 in FY2022, #10 in FY2023 and #7 in FY2024; down 17 since FY2024.
25	Siemens Aktiengesellschaft Through Siemens Government Technologies Inc. Top agencies Army (Department of the Army)	$12,058,627	0.7%	Rank history: #81 in FY2021, #79 in FY2022, #68 in FY2023 and not on the FY2024 list; up 118 since FY2024.
26	Centurum Information Technology Inc. Top agencies Navy (Department of the Navy)	$11,999,916	0.7%	Rank history: not on the FY2021–FY2024 lists; up 159 since FY2024.
27	Eaton Corporation Top agencies DOT (Department of Transportation) DOS (Department of State) VA (Department of Veterans Affairs)	$11,745,881	0.7%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2024; up 6 since FY2024.
28	Honeywell International Inc. 9 awardees, including Honeywell Building Solutions GMBH Top agencies Army (Department of the Army) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$11,635,354	0.7%	Rank history: #33 in FY2021, not on the FY2022–FY2023 lists and #55 in FY2024; up 27 since FY2024.
29	Valkyrie Enterprises, LLC Top agencies Army (Department of the Army)	$10,799,073	0.7%	Rank history: not on the FY2021–FY2024 lists; new.
30	TDX Global Solutions, LLC Top agencies Army (Department of the Army)	$10,486,961	0.6%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2024; up 5 since FY2024.
31	VT Milcom Inc. Top agencies Navy (Department of the Navy)	$10,404,634	0.6%	Rank history: not on the FY2021–FY2023 lists and #64 in FY2024; up 33 since FY2024.
32	Sev1Tech, LLC Top agencies Navy (Department of the Navy)	$10,154,056	0.6%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 11 since FY2024.
33	Huntington Ingalls Industries, Inc. 2 awardees, including HII Mission Technologies Corp and HII Fleet Support Group LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$9,501,428	0.6%	Rank history: #66 in FY2021, #56 in FY2022, #41 in FY2023 and #53 in FY2024; up 20 since FY2024.
34	Integrated Procurement Technologies Top agencies USAF (Department of the Air Force)	$9,252,108	0.6%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; down 14 since FY2024.
35	Trandes Corp. Top agencies Navy (Department of the Navy)	$7,542,043	0.5%	Rank history: #53 in FY2021, #67 in FY2022, #70 in FY2023 and #47 in FY2024; up 12 since FY2024.
36	TRI Star Engineering Inc. Through Tristar, Inc. Top agencies Navy (Department of the Navy)	$7,472,247	0.5%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023 and #25 in FY2024; down 11 since FY2024.
37	Systems Technology Forum, Ltd. Top agencies Navy (Department of the Navy)	$7,119,320	0.4%	Rank history: #54 in FY2021, #41 in FY2022, #38 in FY2023 and #30 in FY2024; down 7 since FY2024.
38	Johnson Controls Security Solutions LLC Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$6,659,009	0.4%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2024; up 20 since FY2024.
39	Textron Inc. Through Textron Systems Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$5,912,988	0.4%	Rank history: #78 in FY2021, #73 in FY2022, #49 in FY2023 and #60 in FY2024; up 21 since FY2024.
40	Orbit Communication Systems, Inc. Top agencies USAF (Department of the Air Force) Commerce (Department of Commerce)	$5,241,752	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
41	Peraton Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$5,200,295	0.3%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2024; down 28 since FY2024.
42	DCS Corporation Top agencies Navy (Department of the Navy)	$5,159,955	0.3%	Rank history: #58 in FY2021, #55 in FY2022, #47 in FY2023 and #46 in FY2024; up 4 since FY2024.
43	Canadian Commercial Corporation Top agencies Army (Department of the Army) Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$5,147,921	0.3%	Rank history: not on the FY2021–FY2023 lists and #32 in FY2024; down 11 since FY2024.
44	Cherokee Nation Solutions Link, L.L.C. Top agencies Navy (Department of the Navy)	$5,096,463	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
45	Johnson Controls Inc 2 awardees, including Johnson Controls Fire Protection LP Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) DOI (Department of the Interior)	$4,937,604	0.3%	Rank history: not on the FY2021–FY2023 lists and #56 in FY2024; up 11 since FY2024.
46	Integrated Security Solutions Inc. Top agencies Army (Department of the Army)	$4,909,756	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
47	Murtech, Inc. Top agencies Army (Department of the Army)	$4,718,604	0.3%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023 and #34 in FY2024; down 13 since FY2024.
48	Compqsoft, Inc. Top agencies Navy (Department of the Navy)	$4,700,665	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
49	Dewberry Design-Builders Inc. Top agencies Army (Department of the Army)	$4,500,431	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
50	Skyline Elevator Works, Inc. Top agencies VA (Department of Veterans Affairs)	$4,389,879	0.3%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2023 and #49 in FY2024; down 1 since FY2024.
51	Applied Systems Engineering Inc. Top agencies USAF (Department of the Air Force)	$4,310,658	0.3%	Rank history: #65 in FY2021, not on the FY2022 list, #64 in FY2023 and #87 in FY2024; up 36 since FY2024.
52	Chinook Systems Inc. Top agencies Army (Department of the Army)	$4,232,966	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
53	Teradyne Inc. 2 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$4,216,426	0.3%	Rank history: #63 in FY2021, #65 in FY2022, #56 in FY2023 and #59 in FY2024; up 6 since FY2024.
54	Srctec, LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) WHS (DOD Washington Headquarters Service)	$4,119,895	0.3%	Rank history: not on the FY2021–FY2024 lists; up 149 since FY2024.
55	Elevated Technologies Services, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) Army (Department of the Army)	$4,052,155	0.2%	Rank history: #36 in FY2021, #54 in FY2022, #52 in FY2023 and #38 in FY2024; down 17 since FY2024.
56	Yulista Support Services LLC Top agencies USAF (Department of the Air Force)	$3,915,970	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
57	Minuteman Security Solutions LLC Top agencies Army (Department of the Army)	$3,560,507	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
58	Tatitlek Federal Services LLC Top agencies DHS (Department of Homeland Security)	$3,541,588	0.2%	Rank history: not on the FY2021–FY2024 lists; up 47 since FY2024.
59	Elbit Systems of America - Night Vision LLC Top agencies Army (Department of the Army)	$3,393,952	0.2%	Rank history: not on the FY2021–FY2024 lists; up 163 since FY2024.
60	Teledyne Flir Defense, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Navy (Department of the Navy)	$3,169,422	0.2%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2024; up 31 since FY2024.
61	Centuria Corporation Top agencies Commerce (Department of Commerce)	$3,154,768	0.2%	Rank history: not on the FY2021 list, #68 in FY2022, #65 in FY2023 and #63 in FY2024; up 2 since FY2024.
62	Youone Engineering Co.,Ltd Top agencies Army (Department of the Army)	$3,087,134	0.2%	Rank history: #34 in FY2021, #18 in FY2022, #32 in FY2023 and #45 in FY2024; down 17 since FY2024.
63	Siemens Industry Inc. Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security) SSA (Social Security Administration)	$2,942,999	0.2%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2024; down 21 since FY2024.
64	Chugach Intelligence Solutions, LLC Top agencies Army (Department of the Army)	$2,887,466	0.2%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2023 and #71 in FY2024; up 7 since FY2024.
65	Signet Technologies, Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$2,848,702	0.2%	Rank history: not on the FY2021–FY2024 lists; up 79 since FY2024.
66	Axxis Building Systems Inc. Top agencies Army (Department of the Army)	$2,799,973	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
67	V2X, Inc. 2 awardees, including Vertex Modernization and Sustainment LLC Top agencies USAF (Department of the Air Force)	$2,768,382	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
68	Alvarez LLC Top agencies VA (Department of Veterans Affairs)	$2,731,859	0.2%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023 and #68 in FY2024; unchanged since FY2024.
69	Forge Forward Inc. Top agencies Navy (Department of the Navy)	$2,653,696	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
70	Linmarr Associates, Inc. Top agencies USAF (Department of the Air Force)	$2,598,132	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
71	Parsons Corporation Through Ptsi Managed Services Inc. Top agencies Army (Department of the Army)	$2,503,298	0.2%	Rank history: #55 in FY2021 and not on the FY2022–FY2024 lists; up 80 since FY2024.
72	Validatek-Citi, LLC Top agencies DHS (Department of Homeland Security)	$2,428,520	0.1%	Rank history: #37 in FY2021, #43 in FY2022, #43 in FY2023 and #41 in FY2024; down 31 since FY2024.
73	Advanced Electronics Company Limited Top agencies USAF (Department of the Air Force)	$2,354,357	0.1%	Rank history: #67 in FY2021 and not on the FY2022–FY2024 lists; returned.
74	International Business Machines Corporation 2 awardees, including Merge Healthcare Solutions Inc. Top agencies DECA (Defense Commissary Agency) VA (Department of Veterans Affairs)	$2,223,640	0.1%	Rank history: #75 in FY2021, #50 in FY2022, #37 in FY2023 and #66 in FY2024; down 8 since FY2024.
75	Datapath, Inc. Top agencies Army (Department of the Army)	$2,208,942	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
76	Telecommunication Support Services, Inc. Top agencies USAF (Department of the Air Force)	$2,081,500	0.1%	Rank history: not on the FY2021 list, #29 in FY2022, not on the FY2023 list and #37 in FY2024; down 39 since FY2024.
77	BCF Solutions, Inc. Top agencies USAF (Department of the Air Force)	$2,060,659	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
78	American Engineering Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$2,052,660	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Rite-Solutions, Inc. Top agencies Navy (Department of the Navy)	$2,022,630	0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2024; down 3 since FY2024.
80	General Atomics Integrated Intelligence, Inc. Top agencies USAF (Department of the Air Force)	$1,991,318	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
81	Symetrics Industries, LLC Top agencies USAF (Department of the Air Force)	$1,965,116	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Onopa Services LLC Top agencies USAF (Department of the Air Force)	$1,939,206	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
83	Eldec Aerospace Corp 2 awardees, including Crane Electronics, Inc. Top agencies USAF (Department of the Air Force)	$1,910,661	0.1%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; unchanged since FY2024.
84	Leonardo S.p.A. 7 awardees, including Laurel Technologies Partnership, DRS Training & Control Systems, LLC and DRS Advanced Isr, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$1,809,912	0.1%	Rank history: #52 in FY2021, #28 in FY2022, #20 in FY2023 and #12 in FY2024; down 72 since FY2024.
85	Locurrent Systems, LLC Top agencies Army (Department of the Army)	$1,766,125	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
86	Princetel, Inc. Top agencies USAF (Department of the Air Force)	$1,758,613	0.1%	Rank history: not on the FY2021–FY2024 lists; up 402 since FY2024.
87	Nve, Inc. Top agencies DLA (Defense Logistics Agency)	$1,684,830	0.1%	Rank history: #59 in FY2021, #66 in FY2022, #60 in FY2023 and #62 in FY2024; down 25 since FY2024.
88	Southwest Research Institute Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,668,882	0.1%	Rank history: not on the FY2021–FY2024 lists; up 125 since FY2024.
89	Koontz Electric Company, Incorporated Top agencies Army (Department of the Army)	$1,657,756	0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2023 and not on the FY2024 list; returned.
90	Seebyte Limited Top agencies Navy (Department of the Navy)	$1,647,000	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
91	Synectic Solutions, Inc. Top agencies Navy (Department of the Navy)	$1,634,720	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	Communications Technology Broadcasting (Pty) Ltd Top agencies USAGM (US Agency for Global Media)	$1,625,125	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	The Boeing Company 4 awardees, including Digital Receiver Technology, Inc. Top agencies USAF (Department of the Air Force) DHS (Department of Homeland Security) Navy (Department of the Navy)	$1,597,908	0.1%	Rank history: #8 in FY2021, #16 in FY2022, #15 in FY2023 and #26 in FY2024; down 67 since FY2024.
94	Coastal Defense Inc. Top agencies USAF (Department of the Air Force)	$1,581,430	0.1%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and not on the FY2024 list; returned.
95	Colsa Corp Top agencies Navy (Department of the Navy)	$1,508,258	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
96	Schneider Electric Federal, Inc. Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs)	$1,401,622	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	The Woods Hole Group, Inc. Top agencies Commerce (Department of Commerce)	$1,401,561	0.1%	Rank history: not on the FY2021 list, #85 in FY2022, not on the FY2023 list and #67 in FY2024; down 30 since FY2024.
98	Bazon-Cox & Associates Inc. Top agencies DOJ (Department of Justice)	$1,349,830	0.1%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; down 21 since FY2024.
99	SEI Group Inc Top agencies Army (Department of the Army)	$1,300,520	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
100	Shiers Communication Specialists Inc. Top agencies Army (Department of the Army)	$1,253,886	0.1%	Rank history: #71 in FY2021, #62 in FY2022, #85 in FY2023 and #74 in FY2024; down 26 since FY2024.

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100 of 1,029 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 $1.63 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 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 J059 contractors in FY2025?

1. Serco Inc ($153M), 2. Northrop Grumman Corporation ($107M), 3. BAE Systems ($102M), 4. Johnson Controls Building Automation Systems, LLC ($98.6M), 5. Sielman S.A. ($85.1M), 6. Science Applications International Corporation ($67.8M), 7. L3Harris Technologies, Inc. ($57M), 8. Motorola Solutions, Inc. ($55.1M), 9. Teledyne Technologies Incorporated ($36.7M), 10. RTX Corporation ($33.1M).

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