Tamilnadu State Marketing Corporation Limited · U15421 Tn1974 Plc006753 · U15520 Tn1976 Plc007172 · Tamilnadu Medicinal Plant Farms And Herbal Medicines Corporation Limited · Perarignar Anna Handloom Silk Park Limited · Tamilnadu Magnesite Limited · Tamilnadu Backward Classes Economic Development Corporation Limited. · Tamilnadu Civil Supplies Corporation · Perambalur Sugar Mills Limited · Tamilnadu Sugar Corporation Limited