MTC - Chennai Ltd.
SETC - Tamil Nadu Ltd.
TNSTC ( VPM DIV - I ) Ltd.- Villupuram
TNSTC ( VPM DIV - II ) Ltd.- Vellore
TNSTC ( VPM DIV - III )Ltd.- Kancheepuram
TNSTC ( KUM DIV - I ) Ltd.- Kumbakonam
TNSTC ( KUM DIV - II ) Ltd.- Trichy
TNSTC ( KUM DIV - III ) Ltd.- Karaikudi
TNSTC ( KUM DIV - IV ) Ltd.- Pudukottai
TNSTC ( SLM DIV - I ) Ltd.- Salem
TNSTC ( SLM DIV - II ) Ltd.- Dharmapuri
TNSTC ( CBE DIV - I ) Ltd.- Coimbatore
TNSTC - ( CBE DIV - II ) Ltd. Erode
TNTSC ( MDU DIV - I ) Ltd.- Madurai
TNSTC ( MDU DIV - II ) Ltd.- Thirunelveli
TNSTC ( MDU DIV - III ) Ltd.- Nagercoil
TNSTC ( MDU DIV - IV ) Ltd.- Dindigul
TNSTC ( MDU DIV - V) Ltd.- Virudhunagar
