Amentum Holdings, Parent Company | 96 Registrations

Organization	Level	Location	Status	Prime obligations	Awards, all years
Amentum Holdings, Inc.	Parent company			$44,882,796,113	21,051
Amentum Services, Inc. (opens another page)	Intermediate parent	Chantilly, VA	Active	$19,544,569,561	6,187
Amentum Services, Inc. (2 registrations) (opens another page)	Company group			$13,199,577,620	2,656
Amentum Services, Inc. (opens another page)	Registration	Chantilly, VA	Active	$12,803,107,111	2,655
Amentum Services, Inc. (opens another page)	Registration	Germantown, MD	Active	$396,470,509	1
Washington River Protection Solutions LLC (opens another page)	Registration	Richland, WA	Active	$3,062,035,442	1
Dyncorp International LLC (2 registrations) (opens another page)	Company group			$2,816,488,855	1,379
Dyncorp International LLC (opens another page)	Registration	Fort Worth, TX	Active	$2,746,813,363	1,196
Dyncorp International LLC (opens another page)	Registration	Chantilly, VA	Active	$69,675,492	183
Pae Labat-anderson LLC (opens another page)	Registration	Falls Church, VA	Active	$247,484,497	1,405
Pae Aviation And Technical Services LLC (opens another page)	Intermediate parent	Arlington, VA	Active	$130,727,954	719
Pae Aviation And Technical Services LLC (opens another page)	Registration	Arlington, VA	Active	$130,727,954	418
Defense Support Services Singapore Pte. Ltd.No profile yet	Registration			$0	301
Pae-perini LLC (opens another page)	Registration	Chantilly, VA	Active	$88,255,192	27
Amentum Technology, Inc. (11 registrations) (opens another page)	Company group			$8,385,782,021	4,846
Amentum Technology, Inc. (opens another page)	Registration	Tullahoma, TN	Active	$4,378,056,366	1,367
Amentum Technology, Inc. (opens another page)	Registration	Tullahoma, TN	Active	$1,761,301,626	56
Amentum Technology, Inc. (opens another page)	Registration	Tullahoma, TN	Active	$1,127,441,565	1,311
Amentum Technology, Inc. (opens another page)	Registration	Tampa, FL	Active	$503,274,192	745
Amentum Technology, Inc. (opens another page)	Registration	Tullahoma, TN	Active	$423,554,426	851
Amentum Technology, Inc. (opens another page)	Registration	Columbia, MD	Active	$140,823,245	18
Amentum Technology, Inc. (opens another page)	Registration	Chantilly, VA	Active	$42,863,459	13
Amentum Technology, Inc. (opens another page)	Registration	Severn, MD	Active	$8,722,084	20
Amentum Technology, Inc. (opens another page)	Registration	Tampa, FL	Active	$0	1
Amentum Technology, Inc. (opens another page)	Registration	Columbia, MD	Active	$0	6
Amentum Technology, Inc. (opens another page)	Registration	Ridgecrest, CA	Active	−$254,941	458
Central Plateau Cleanup Company, LLC (opens another page)	Registration	Aiken, SC	Active	$2,709,424,587	8
United Cleanup Oak Ridge LLC (opens another page)	Registration	Oak Ridge, TN	Active	$1,975,167,262	1
Pae Government Services, Inc. (opens another page)	Registration	Chantilly, VA	Active	$1,844,142,737	1,521
JT4 LLC (opens another page)	Registration	Las Vegas, NV	Active	$1,821,299,877	1
Urs Federal Services International, Inc. (opens another page)	Registration	Chantilly, VA	Active	$1,217,019,137	47
Idaho Environmental Coalition LLC (opens another page)	Registration	Tullahoma, TN	Active	$1,102,524,225	1
Savannah River Remediation LLC (opens another page)	Registration	Aiken, SC	Active	$821,825,761	1
Syncom Space Services LLC (opens another page)	Registration	Chantilly, VA	Active	$679,960,036	9
Nuclear Waste Partnership LLC (opens another page)	Registration	Carlsbad, NM	Active	$643,390,736	0
DZSP 21 LLC (opens another page)	Registration	Chantilly, VA	Active	$593,626,755	30
Ucor LLC (opens another page)	Registration	Oak Ridge, TN	Active	$589,372,981	1
Amentum Parsons Logistics Services LLC (opens another page)	Registration	Chantilly, VA	Active	$501,370,185	6
Amentum Spaceport LLC (opens another page)	Registration	Chantilly, VA	Active	$452,860,823	84
CH2M Hill BWXT West Valley, LLC (opens another page)	Registration	West Valley, NY	Active	$402,317,116	1
The Keyw Corporation (opens another page)	Intermediate parent	Hanover, MD	Active	$222,299,081	337
The Keyw Corporation (opens another page)	Registration	Hanover, MD	Active	$222,299,081	330
Integrated Computer Concepts IncorporatedNo profile yet	Registration			$0	1
Sycamoreus IncorporatedNo profile yet	Registration			$0	6
Macfadden & Associates, Inc. (opens another page)	Intermediate parent	Chantilly, VA	Active	$217,315,177	301
Macfadden & Associates, Inc. (opens another page)	Registration	Chantilly, VA	Active	$217,315,177	173
Systems Integration Group IncorporatedNo profile yet	Registration			$0	128
Pae Aviation And Technical Services LLC (3 registrations) (opens another page)	Company group			$186,189,844	311
Pae Aviation And Technical Services LLC (opens another page)	Registration	Falls Church, VA	Active	$122,631,455	150
Pae Aviation & Technical Services LLC (opens another page)	Registration	Arlington, VA	Active	$63,776,825	10
Pae Aviation And Technical Services LLC (opens another page)	Registration	Kaiserslautern, RHEINLAND-PFALZ	Active	−$218,436	151
Pae Applied Technologies LLC (2 registrations) (opens another page)	Company group			$142,284,430	306
Pae Applied Technologies LLC (opens another page)	Registration	Chantilly, VA	Active	$142,284,430	305
Pae Applied Technologies LLC (opens another page)	Registration	Chantilly, VA	Active	$0	1
Fci Federal, LLC (opens another page)	Registration	Falls Church, VA	Active	$113,803,253	81
Centra Technology, Inc. (opens another page)	Registration	Arlington, VA	Active	$113,135,370	239
Metis Solutions, LLC (opens another page)	Registration	Fredericksbrg, VA	Active	$95,258,344	702
Pae Professional Services, LLC (opens another page)	Registration	Falls Church, VA	Active	$94,427,753	1,367
CH2M Hill Plateau Remediation CompanyNo profile yet	Registration			$91,891,428	2
Tate, Incorporated (opens another page)	Registration	Arlington, VA	Active	$84,661,577	145
Pae National Security Solutions LLC (opens another page)	Registration	Fredericksburg, VA	Active	$68,039,426	638
Amentum Environment & Energy, Inc. (3 registrations) (opens another page)	Company group			$47,558,914	219
Amentum Environment & Energy, Inc. (opens another page)	Registration	Aiken, SC	Active	$47,620,508	210
Amentum Environment & Energy, Inc. (opens another page)	Registration	Englewood, CO	Active	$0	1
Amentum Environment & Energy Inc. (opens another page)	Registration	Aiken, SC	Active	−$61,594	8
Four Rivers Nuclear Partnership LLC (opens another page)	Registration	Kevil, KY	Active	$39,193,217	12
Ac First, LLC (opens another page)	Registration	Chantilly, VA	Active	$37,775,253	6
Southern Ohio Cleanup Company LLC (opens another page)	Registration	Aiken, SC	Active	$28,751,448	2
Delta Bridge, Inc. (opens another page)	Registration	Alexandria, VA	Active	$27,550,806	188
Amentum Design And Facility Management (opens another page)	Registration	Minato_ku, Tokyo	Active	$20,161,600	274
Sotera Defense Solutions, Inc. (opens another page)	Registration	Herndon, VA	Active	$7,714,569	104
Blue Canopy Group, LLC (opens another page)	Registration	Chantilly, VA	Active	$5,056,729	154
Pluribus International LLC (opens another page)	Registration	Fredericksburg, VA	Active	$1,613,931	15
Space Coast Launch Services LLC (opens another page)	Registration	Canaveral Air Station, FL	Active	$298,152	1
Amentum Special Mission Services, Inc. (opens another page)	Registration	Chantilly, VA	Active	$247,500	36
Pae Design & Facility Management (opens another page)	Registration	Chantilly, VA	Active	$10,586	15
Amentum Holdings Inc. (opens another page)	Registration	Chantilly, VA	Active	$0	0
Amentum Mitie Pacific LLC (opens another page)	Registration	Chantilly, VA	Active	$0	1
Buffalo Group LLC (opens another page)	Registration	Chantilly, VA	Active	$0	36
Courage Services, Inc. (opens another page)	Registration	Chantilly, VA	Active	$0	7
D2R Services LLC (opens another page)	Registration	Aiken, SC	Active	$0	1
Eg&g Defense Materials, Inc. (opens another page)	Registration	Chantilly, VA	Active	$0	66
Federal Network Systems LLC (opens another page)	Registration	Chantilly, VA	Active	$0	141
Mcneil Security Inc. (opens another page)	Registration	Chantilly, VA	Active	$0	2
Pacific Architects & Engineers, LLC (opens another page)	Registration	Falls Church, VA	Active	$0	31
Pacific Operations Maintenance Co. (opens another page)	Registration	Minato-ku	Active	$0	73
Pae Colombia Ltda (opens another page)	Registration	Bogota	Active	$0	58
Phoenix Consulting Group, LLC (opens another page)	Registration	Mc Lean, VA	Active	$0	4
The Keyw Holding Corporation (opens another page)	Intermediate parent	Hanover, MD	Active	$0	49
Everest Technology Solutions, Inc.No profile yet	Registration			$0	3
Hexis Cyber Solutions, Inc.No profile yet	Registration			$0	3
Keyw Corporation, TheNo profile yet	Registration			$0	29
Sensage, Inc.No profile yet	Registration			$0	12
The Keyw Holding Corporation (opens another page)	Registration	Hanover, MD	Active	$0	2
USA Repository Services LLC (opens another page)	Registration	Aiken, SC	Active	$0	2
Washington Government Environmental Services Company LLC (2 registrations) (opens another page)	Company group			$0	5
Washington Government Environmental Services Company LLC (opens another page)	Registration	Chantilly, VA	Active	$0	2
Washington Government Environmental Services Company LLC (opens another page)	Registration	Aiken, SC	Active	$0	3
Washington Demilitarization Company, LLC (opens another page)	Registration	Chantilly, VA	Active	−$10,458	20
Sotera Defense Solutions Inc. (opens another page)	Intermediate parent	Hanover, MD	Active	−$15,771	1,004
S F A IncorporatedNo profile yet	Registration			$0	842
Sotera Defense Solutions Inc. (opens another page)	Registration	Hanover, MD	Active	−$15,771	162
Amentum National Security Programs, Inc. (opens another page)	Registration	Chantilly, VA	Active	−$256,179	854
Amentum Government Services, Inc. (opens another page)	Registration	Chantilly, VA	Active	−$957,266	63
Amentum Technical Services LLC (opens another page)	Registration	Aiken, SC	Active	−$1,446,117	177
Amentum Services, Inc. (5 registrations) (opens another page)	Company group			−$44,410,283	258
Amentum Services, Inc. (opens another page)	Registration	Huntsville, AL	Active	$0	110
Amentum Services, Inc. (opens another page)	Registration	Las Vegas, NV	Active	$0	11
Amentum Services, Inc. (opens another page)	Registration	Lakehurst, NJ	Active	$0	48
Amentum Services, Inc. (opens another page)	Registration	Oklahoma City, OK	Active	−$10,370,682	89
Amentum Services, Inc. (opens another page)	Registration	Germantown, MD	Active	−$34,039,601	0

Contracts of Amentum Holdings, Inc.'s registrations, latest action first

Use this to find a contract of any registration in the family.

500 most recent contracts; 75 still running

Rows

Showing 1–10 of 500 contracts

			Since award, US$

47QSCC27F00GH	Amentum Services, Inc.	Federal Acquisition Service	$276	Oct 3, 2026	Oct 6, 2026
47QSCC27F00AE	Amentum Services, Inc.	Federal Acquisition Service	$30	Oct 2, 2026	Oct 5, 2026
47QSCC27F00AF	Amentum Services, Inc.	Federal Acquisition Service	$1,055	Oct 2, 2026	Oct 5, 2026
47QSCC27F00AL	Amentum Services, Inc.	Federal Acquisition Service	$2,243	Oct 2, 2026	Oct 5, 2026
47QSCC27F00AM	Amentum Services, Inc.	Federal Acquisition Service	$41	Oct 2, 2026	Oct 5, 2026
47QSCC27F00BX	Amentum Services, Inc.	Federal Acquisition Service	$27	Oct 2, 2026	Oct 5, 2026
47QSCC27F00BY	Amentum Services, Inc.	Federal Acquisition Service	$13	Oct 2, 2026	Oct 5, 2026
47QSCC27F00CF	Amentum Services, Inc.	Federal Acquisition Service	$323	Oct 2, 2026	Oct 5, 2026
47QSCC27F00CK	Amentum Services, Inc.	Federal Acquisition Service	$4	Oct 2, 2026	Oct 5, 2026
47QSCC27F00CP	Amentum Services, Inc.	Federal Acquisition Service	$414	Oct 2, 2026	Oct 5, 2026

Page 1 of 50

Prime contract obligations by sub-agency, US$, FY2021–FY2025

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Everyone else: $3.69B (8.2%)

Insight Department of Energy paid 26%

Sub-agencies by prime obligations to Amentum Holdings, Inc., FY2021–FY2025

Use this to see which sub-agencies pay the family's registrations; open one to see its offices.

52 sub-agencies paid the family

Rows

Showing 1–10 of 52 sub-agencies

		FY2021–FY2025, US$	FY2021–FY2025

Department of Energy		$11,472,321,469	124
Department of the Army		$7,837,585,863	664
Department of the Air Force		$7,186,394,214	852
Department of the Navy	Department of Defense	$5,215,120,438	2,528
National Aeronautics and Space Administration		$3,914,771,673	356
Missile Defense Agency		$1,760,772,412	151
Department of State	Department of State	$1,590,648,855	599
Defense Contract Management Agency		$840,484,456	407
Federal Acquisition Service	General Services Administration	$757,657,362	86
U.S. Customs and Border Protection	Department of Homeland Security	$612,648,802	14

Page 1 of 6

Prime obligations by industry (NAICS), US$, FY2021–FY2025

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Insight 22% under Facilities Support Services (561210)

Industries by prime obligations, FY2021–FY2025

Use this to see what the family's registrations sell; open a code to see who else wins it.

104 industry codes

Rows

Showing 1–10 of 104 industry codes

	FY2021–FY2025, US$	FY2021–FY2025

561210 Facilities Support Services	$9,934,798,353	2,187
562910 Remediation Services	$7,316,478,914	192
488190 Other Support Activities for Air Transportation	$6,222,897,973	575
541330 Engineering Services	$5,704,403,509	1,976
562211 Hazardous Waste Treatment and Disposal	$3,883,861,203	10
541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$2,803,904,371	336
541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$2,219,106,273	494
541512 Computer Systems Design Services	$976,462,393	199
541611 Administrative Management and General Management Consulting Services	$755,523,973	1,995
336411 Aircraft Manufacturing	$684,412,665	81

Page 1 of 11

Prime obligations since award by state of performance, US$, contracts active FY2021–FY2027

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Washington$21.2B · 18%
Texas$13.6B · 12%
Florida$10.3B · 8.7%
Maryland$10.1B · 8.6%
Virginia$9.96B · 8.4%

42 smaller, $52.8B together.

under 0.5%5% and more

Insight 18% was performed in Washington

States of performance by prime obligations since award, contracts active FY2021 on

Use this to see where the family's contract work is performed; open a state to see its contractors.

47 states and territories

Rows

Showing 1–10 of 47 states

	Contracts active since FY2021; since award, US$

Washington	$21,165,400,050	523
Texas	$13,636,970,426	274
Florida	$10,278,287,083	635
Maryland	$10,139,961,517	459
Virginia	$9,956,062,114	2,161
South Carolina	$7,755,475,079	28
Tennessee	$7,565,080,210	411
Nevada	$3,994,583,409	19
Alabama	$3,685,281,084	49
District of Columbia	$3,551,970,940	263

Page 1 of 5

Ownership changes, 2022

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Ownership changeToday

Insight Acquired PAE Incorporated in Feb 2022

Ownership changes of Amentum Holdings, Inc., newest first

Use this to see when the companies here were bought or sold and by whom; each source opens the company's release or the SEC filing.

1 ownership change

Showing 1–1 of 1 ownership change


Feb 15, 2022	Acquired	PAE Incorporated	from PAE shareholders	SEC 8-K

Amentum Holdings, Inc. (parent company)

Prime contract obligations by company group › registration, US$, FY2021–FY2025

Prime obligations since award by state of performance, US$, contracts active FY2021–FY2027

Prime contract obligations by fiscal year, US$, FY2021–FY2027

Largest company groups and registrations by prime obligations, FY2021–FY2025

Structure by prime obligations, every level, US$, FY2021–FY2025

Structure of Amentum Holdings, Inc.: company groups and registrations by prime obligations, FY2021–FY2025

Contracts of Amentum Holdings, Inc.'s registrations, latest action first

Prime contract obligations by sub-agency, US$, FY2021–FY2025

Sub-agencies by prime obligations to Amentum Holdings, Inc., FY2021–FY2025

Prime obligations by industry (NAICS), US$, FY2021–FY2025

Industries by prime obligations, FY2021–FY2025

Prime obligations since award by state of performance, US$, contracts active FY2021–FY2027

States of performance by prime obligations since award, contracts active FY2021 on

Ownership changes, 2022

Ownership changes of Amentum Holdings, Inc., newest first

Amentum Holdings, Inc. (parent company)

Overview

Prime contract obligations by company group › registration, US$, FY2021–FY2025

Prime obligations since award by state of performance, US$, contracts active FY2021–FY2027

Prime contract obligations by fiscal year, US$, FY2021–FY2027

Largest company groups and registrations by prime obligations, FY2021–FY2025

Structure

Structure by prime obligations, every level, US$, FY2021–FY2025

Structure of Amentum Holdings, Inc.: company groups and registrations by prime obligations, FY2021–FY2025

Contracts

Contracts of Amentum Holdings, Inc.'s registrations, latest action first

Agencies

Prime contract obligations by sub-agency, US$, FY2021–FY2025

Sub-agencies by prime obligations to Amentum Holdings, Inc., FY2021–FY2025

Industries

Prime obligations by industry (NAICS), US$, FY2021–FY2025

Industries by prime obligations, FY2021–FY2025

Places

Prime obligations since award by state of performance, US$, contracts active FY2021–FY2027

States of performance by prime obligations since award, contracts active FY2021 on

History

Ownership changes, 2022

Ownership changes of Amentum Holdings, Inc., newest first