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Air Force Nuclear Weapons Center (AFNWC)

Air Force Nuclear Weapons Center (AFNWC)

The Air Force (AF) Nuclear Weapons Center (AFNWC) mission is to ensure the safety, survivability, security and reliability of AF strategic weapons systems, including non-nuclear mission essential assets, the delivery system or platform, associated non-nuclear support...
Pacific Northwest National Laboratory (PNNL)

Pacific Northwest National Laboratory (PNNL)

In late 2018 Sigma Science received a contract from PNNL to provide Criticality Safety Program On-site Assessments. Our multidisciplinary scientific teams are brought together to address some of the most challenging and complex problems. The Nuclear...
Consolidated Nuclear Security, LLC (CNS)

Consolidated Nuclear Security, LLC (CNS)

In 2018 Sigma Science received the first contract from CNS to provide Safety Basis and Fire Protection Services under an 8(a) contract. Since then, SSI has received three additional contracts from CNS. Pantex and Y12 were added sites under Sigma Science’s Honeywell...
Nevada National Security Site (MSTS)

Nevada National Security Site (MSTS)

Safety Basis Support SSI was awarded a contract worth $6.67 million, and currently provides nuclear safety and risk support activities (including development, implementation, and maintaining associated documentation) and other nuclear staff augmentation. The breadth...