Ministry of Coal
Coal India Limited (CIL)
Eastern Coalfields Limited (ECL)
Bharat Coking Coal Limited (BCCL)
Central Coalfields Limited (CCL)
Northern Coalfields Limited (NCL)
Western Coalfields Limited (WCL)
South Eastern Coalfields Limited (SECL)
Mahanadi Coalfields Limited (MCL)
Central Mine Planning and Design Institute (CMPDI)
NLC India Limited (NLC)
Singareni Collieries Company Limited (SCCL)
Coal Mines Provident Fund Organisation (CMPFO)
Coal Controller's Organisation (CCO)