Coal Mining Companies In Nigeria . Mining Of Coal In Nigeria Dietisthoofddorp. List of mining companies in nigeria finelib.The main solid minerals in nigerias mining industry include coal, tin, niobium and gold.Nigerian coal corporation wikipedia, the free encyclopedia.The nigerian coal corporation ncc is a nigerian parastatal corporation responsible for mining and selling coal.Feb 21, 2013 21st February 2013 Paul Boughton. The first full fleet of Cat branded room-and-pillar coal mining equipment is being installed by Armstrong Coal in conjunction with the opening of its new underground mine at Lewis Creek in Kentucky. The mining company, a subsidiary of Armstrong Energy, purchased 24 machines from Cat dealer Whayne Supply.