· Torrent Power Ltd (Ahmadabad)
· Surat Electricity Co. Ltd. (Surat)
· Jodhpur Vidyut Vitran Nigam Ltd (Jodhpur)
· Ajmer Vidhyut Vitran Nigam Ltd.(Ajmer)
· Integral Coach Factory (Chennai)
· Northern Railway
· Southern Railway
· Western Railway
· Eastern Railway
· Indian Ordnance Factory (Kanpur)
· The B.E.S.T Undertaking(Mumbai)