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Hanford Contractors

A workforce numbering more than 8,000 people is involved in the day-to-day operations of Hanford cleanup. Employees at two Department of Energy offices located at Hanford oversee the cleanup work on the Site which is done by several prime contracting agencies. Each of these contractors or their subcontractors has an assigned scope of work to complete under the guidance of the DOE.

This section of is intended to show you Who’s Who at Hanford and the work scope of each of the companies on the Site. Each of the offices listed below has a link to their website from the list of Hanford agencies on the left side of this page.


United States Department of Energy Office of River Protection



Hanford Laboratory Management and Integration (HLMI) is an unpopulated LLC formed by two outstanding small businesses, Navarro Research and Engineering, Inc. (Navarro) and Advanced Technologies and Laboratories International, Inc. (ATL). 

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Bechtel National, Inc. logo

Bechtel National, Inc. (BNI)

Bechtel is coordinating the construction of Hanford’s Waste Treatment Plant, also known as the Vitrification (or Vit) Plant.

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Washington River Protection Solutions, LLC logo

Washington River Protection Solutions LLC (WRPS)

WRPS, owned by AECOM and Atkins, with integrated subcontractor Orano, is a prime contractor to the DOE Office of River Protection. WRPS is responsible for the safe and efficient management of radioactive and hazardous waste stored in Hanford’s underground tanks, and for preparing to deliver the waste to the Waste Treatment and Immobilization Plant for vitrification.

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United States Department of Energy Richland Operations Office



Hanford Mission Essential Services Contract

The Hanford Mission Integration Solutions (HMIS) Team, comprised of globally-known and U.S. Department of Energy (DOE)-trusted partners, offers Hanford Solutions through Mission Integration. 

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HPM Corporation (HPMC) logo

HPM Corporation (HPMC)

HPM Corporation (HPMC) Hanford provides occupational medical services to DOE and the Site contractors.

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CH2M-Hill Plateau Remediation Company (CHPRC) logo

CH2M HILL Plateau Remediation Company (CHPRC)

The CH2M HILL Plateau Remediation Company is tasked with environmental cleanup of the Central Plateau and cleanup of waste sites and contaminated groundwater to eliminate risks to the Columbia River. The CH2M HILL Plateau Remediation Company scope includes the solid and liquid waste treatment and disposal, soil and groundwater remediation, facility and canyon disposition, and closure of the Plutonium Finishing Plant, as well as treatment of highly radioactive sludge.

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Mission Support Alliance (MSA) logo

Mission Support Alliance (MSA)

MSA consists of several organizations responsible for many of the cross-cutting activities associated with Hanford cleanup. The MSA team oversees security, site infrastructure and utilities, information management, fire services, and business management.

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In addition to the seven agencies listed above, a number of subcontractors perform specialized projects within the work scope of the prime contractors. 








Last Updated 10/21/2021 1:30 PM