Murray Energy Corporation | The Largest Coal Mining CompanyMurray Energy Corporation and its Subsidiary Companies employ approximately 6,000 Americans and currently operate thirteen active coal mines, consisting of eleven underground longwall mining systems and forty-six continuous mining units in Ohio, Illinois, Kentucky, Utah, and West ia. Murray Energy is positioned.الفحم موردي المعدات الألغام,Arch Coal, Inc. | Welcome to ArchArch Coal (ACI) is the second largest U.S. coal producer. Through our national network of mines, we contribute 16% of America's annual coal supply. We strive to operate the world's safest and most responsible low-sulfur, clean coal mines.
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