GNS provides high-performance, customized solutions with a proven track record for the nuclear industry.
With over 50 years of experience, more than 2,000 casks delivered and used worldwide, and a team of over 1,000 experts, GNS is a trusted partner in the safe handling, processing, disposal, and storage of radioactive materials.
Cask Systems and Equipment
GNS is a global leader in the design and manufacturing of casks for spent nuclear fuel and high-level radioactive waste. Its flagship products, the CASTOR® and MOSAIK® casks, are highly regarded for their safety, durability, and regulatory compliance.
Radioactive Waste Treatment and Disposal
GNS offers comprehensive services for the treatment and disposal of low- and intermediate-level radioactive waste. These include planning, licensing, packaging, transportation, and long-term storage—optimized for each project.
Decommissioning Projects
GNS provides strategies and technologies for the safe and efficient decommissioning of nuclear facilities, from planning to final clearance.
SMR Services
GNS actively supports the development of Small Modular Reactors (SMRs). Leveraging its expertise in waste management, cask design, and regulatory compliance, GNS contributes to shaping the future of nuclear energy.
GNS is committed to safety and sustainability, delivering customized solutions tailored to each customer.
Our philosophy, “Excellence for Nuclear,” reflects our dedication to achieving the highest standards in every project we undertake—contributing to a future for people and the planet where nuclear energy continues to realize its full potential.