The engi­nee­ring com­pa­ny WTI with its head­quar­ter in Jü­lich is a sub­si­dia­ry of  GNS  and spe­cia­lised in nu­cle­ar en­gi­nee­ring. A team of ex­pe­ri­en­ced sci­en­tists and well-skilled en­gi­neers enables WTI to realise a wide range of en­gi­nee­ring ser­vi­ces in the nu­cle­ar field with ex­pe­ri­ence of more than 35 years. 
WTI performs plan­ning and en­gi­nee­ring ser­vi­ces in the fol­lo­wing areas.