Air Conditioning Corporation Limited · Opi Export Ltd. · Central India Industries Ltd. · India Silica Magnesite Works Ltd. · Special Engg. Services Ltd · Special Engineering (Halol) Private Limited · Pilani Properties Ltd · Indian Press Exchange Ltd · Bengal Stores Ltd. · Eastern India Services & Marketing Co.Ltd. · Gwalior Finance Corporation Limited · Sagun Enterprises Private Limited · Makesworth Textiles Pvt Ltd · Suraj Moulders Private Limited · U28920 Wb1930 Ptc006891 · U99999 Wb1999 Ptc090212 · U99999 Wb1951 Ptc019455 · India Silica Magnesite Works Ltd.