Tamilnadu Poultry Development Corporation Limited · U15332 Tn1973 Plc006396 · Tamilnadu Fisheries Development Corporation Limited · Tamilnadu Cements Corporation Limited · Tamilnadu Civil Supplies Corporation · Tamilnadu Backward Classes Economic Development Corporation Limited. · Tamilnadu Medicinal Plant Farms And Herbal Medicines Corporation Limited · Tamilnadu Magnesite Limited · Tamilnadu Minerals Limited