GNS is a supplier of casks for spent fuel, high and intermediate level waste, as well as a full service provider for packaging radioactive materials, nuclear waste management, transport of radioactive materials, decommissioning and dismantling, and engineering. Specifically, they offer services for management and disposal of spent fuel and all types of radioactive waste including processing, logistics and characterization, as well as design and supply of treatment facilities, decommissioning services and all kinds of engineering.