Opencast Mines
- Malabar Cements Ltd.
- Balasore Alloys Ltd.
- Vedanta | Sesa Goa Iron Ore
- Vedanta Ltd.
- Hindustan Zinc Limited (HZL)
- Hindustan Copper Limited (HCL)
- Singareni Collieries Companies Limited (SCCL)
- Kudremukh Iron Ore Company Limited (KIOCL)
- India Cements Limited (ICL)
- Essel Mining & Industries Limited,
- Andhra Pradesh Mineral Development Corporation Ltd (APMDC)
- Mysore Minerals Ltd (MML)
- Deepak Fertilisers & Petrochemicals Ltd. (DFPCL)
- Dalmia Cement (Bharat) Ltd.
- National Mineral Development Corporation (NMDC)
- Neyveli Lignite Corporation (NLC)
