ŠKODA MACHINE TOOL a.s.
TOS KUŘIM-OS, a.s.
ČKD BLANSKO-OS, a.s.
SE-MI Technology, a.s.
ALTA – Czech commercial-engineering company, operates mostly in mechanical engineering, metallurgy, power engineering and also supplies technological equipment for energetics and water management
ALVEL – The company provides top scientific and engineering services in section of nuclear power industry (cooperation with russian companyTVEL and with subsidiaries of TVEL)
DMS – international transport of hazardous materials and radioactive materials, including nuclear materials, RAO and irradiated nuclear fuel.
Since 1993 supply of nuclear fuel for Nuclear Power Plants in Czech Republic and in Slovakia, in 2014 also for Ringhals Nuclear Power Plant (Sweden);
2007–2015 - Support developmental program fuel TVSA-T and modernization of equipment for controling and repairing irradiated nuclear fuel for Temelín Nuclear Power Plant (TVEL);
2009–2014 - Repatriation irradiated nuclear fuel of research reactors (ÚJV Řež, US DoE, FCJaRB RF)