Tamil Nadu State Transport Corporation (Tirunelveli) Limited · State Express Transport Corporation Tamil Nadu Limited · Tamil Nadu State Transport Corporation (Villupuram) Limited · Tamilnadu State Transport Corporation Salem Limited · Metropolitan Transport Corporation (Chennai) Limited · Tamil Nadu State Transport Corporation (Madurai) Limited · Tamil Nadu State Transport Corporation Coimbatore Limited · Tamilnadu State Transport Corporation (Kumbakonam) Limited · U60220 Tn1971 Plc006088 · U60220 Tn1972 Plc006114 · U60220 Tn1975 Plc006829 · U60210 Tz1973 Plc000656 · U63040 Tn1980 Plc008080