2020 Top 100

Top 100 Revenue: $873,940,000
Defense Revenue: $779,905,000
Civilian Revenue: $94,035,000
2019 Revenue: $3.7 billion
2019 Earnings: $200 million operating income
2018 Revenue: N/A
2018 Earnings: N/A
Number of employees: 20,000
Headquarters: Germantown, Maryland
Website: https://www.amentum.com/

John Vollmer, CEO

Jill Bruning, EVP and GM; Karl Spinnenweber, EVP and GM; Mark Whitney, EVP and GM; John Cooke, EVP, risk and strategy; Ron "Fog" Hahn, EVP, strategic growth; Carol Papillo, SVP, BD operations; Joe Walker, SVP and CIO; Jeff Treffinger, SVP EHS and quality; and Phil Horvitz, CTO

Ticker: Private
Lines of business: Mission support and sustainment; nuclear and environment; program management; strategic capabilities engineering; test, training and evaluation; threat mitigation and mission assurance
Major customers: Air National Guard, DoD, DISA, Defense Spectrum Organization, DLA, Defense Threat Reduction Agency, Washington Headquarter Service, CENTCOM, US Indo-Pacific Command, SOCOM, Air Force, Army, Navy, Marines, Intelligence community, NASA, DHS, Energy Department, GSA, Treasury, State, Justice, Transportation, FAA, Federal Bureau of Prisons, FDIC, SSA, HHS, CDC, NIH, Tennessee Valley Authority
Major contracts/projects: Amentum's actual prime contracting revenue is likely higher because some of the work it is doing is still accounted for under the name of its former parent, AECOM. Amentum holds these federal contracts: Alliant 2, Army EAGLE, Connections II, DHS Eagle II, Facilities Maintenenace and Management Schedule, IAC MAC, Schedule 70, OASIS, Professioanl Services Schedule, RS3, Seaport-e