Valley Strong Cements Limited · Dony Polo Udyog Limited · Balaji Udyog Limited · Profound Cement Works Limited · Valley Strong Cements (Assam) Limited · Barak Valley Cements Limited · Singlacherra Tea Company Private Limited · Hindustan Agro Fuel Pvt. Ltd. · Dony Polo Ss Private Limited · Nefa Udyog Company Limited · H P Cement And Industries Pvt Ltd · Karbi Trade And Industries Limited