Shree Ganga Construction Company Ltd · Chirau Commodities Pvt.Ltd. · Metmin Techno Llp · Black Diamond Explosives Private Limited · U24292 Wb1988 Ptc044042 · U27310 Wb1981 Ptc033923 · U70101 Wb1986 Ptc040794 · Anup Malleables Ltd · Dhanbad Engineering Private Limited