Department of Energy Awards Leidos Hanford Mission Essential Services Contract

December 16, 2019

RESTON, Va., Dec. 16, 2019 /PRNewswire/ -- Leidos (NYSE:LDOS), a FORTUNE® 500 science and technology leader, today announced that the U.S. Department of Energy (DOE) awarded the Hanford Mission Essential Services Contract (HMESC) for the infrastructure and site services necessary to accomplish critical waste management and the continued environmental cleanup of the Hanford Site to Hanford Mission Integration Solutions (HMIS), LLC.  HMIS members are Leidos Integrated Technology, LLC; Centerra Group, LLC; and Parsons Government Services, Inc. The single award, indefinite delivery/indefinite quantity, cost-plus-award-fee contract has a five-year base period of performance followed by one three-year option period and a final option period of two years, at an approximate value of $4 billion, if all options are exercised. Work will be performed at the Hanford Site in southeastern Washington.

Leidos logo. (PRNewsFoto/Leidos)

The Hanford Site once served as a government complex that manufactured large quantities of plutonium for America's defense program. Today the site, overseen by the Department of Energy, is undergoing a large-scale cleanup mission to deal with the legacy of the cold war mission.

Leidos and its HMIS partners will provide essential services including but not limited to security and emergency services; information technology services; integrated business services; site-wide training and craft services;  maintain vital infrastructure (e.g., electric, water, sewer, roads) and build future infrastructure to support the Waste Treatment and Immobilization Plant operations.

"For more than 40 years, Leidos has helped the Department of Energy tackle energy, environmental, and nuclear challenges head on," said Liz Porter, senior vice president and operations manager of the Federal Energy, Environment, and Commerce operation at Leidos. "Through HMESC, we are proud to perform the important work of achieving economies of scale in the cleanup mission while contributing to the local economy in the Tri-Cities."

About Leidos

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit  

Statements in this announcement, other than historical data and information, constitute forward-looking statements that involve risks and uncertainties. A number of factors could cause our actual results, performance, achievements, or industry results to be very different from the results, performance, or achievements expressed or implied by such forward-looking statements. Some of these factors include, but are not limited to, the risk factors set forth in the company's Annual Report on Form 10-K for the period ended December 28, 2018, and other such filings that Leidos makes with the SEC from time to time. Due to such uncertainties and risks, readers are cautioned not to place undue reliance on such forward-looking statements, which speak only as of the date hereof.


Melissa Koskovich 
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Suzzanna Martinez 
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