Joint Ventures & LLCs

We are proud to partner with our peers to deliver optimal solutions to our customers. The selected joint ventures, LLCs, and other entities below represent decades of proven performance.


Central Plateau Cleanup Company (CPCC)

Environmental remediation efforts at the DOE’s Hanford site

Nuclear Waste Partnership (NWP)

Operating the only nuclear waste repository in the U.S. – DOE’s Waste Isolation Pilot Plant 

Savannah River Remediation (SRR)

Supporting the DOE’s Savannah River  high-level nuclear liquid waste program.


Managing high-level nuclear liquid waste tank program at the DOE’s Hanford site. 


The Department of Energy’s primary environmental cleanup contractor for the Oak Ridge Reservation.


AC First

Supporting Allied Operations in Afghanistan with O&M Services

Arrow’s Edge

Supporting NASA & DOD with O&M, Logistics, and Engineering Services. 

FSA Federal

Serving the U.S. federal law enforcement and national security communities by providing high-quality administrative, legal and investigative support services. 


Providing engineering & technical support to multiple western Ranges. 

Koa Lani

Operating the Pacific Missile Range for the U.S. Navy.

Reliance Test & Technology (RT&T)

Providing engineering and technical support to the Eglin Test and Training Range complex (ETTC) and the National Radar Cross Section Test Facility (NRTF) 

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