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Liberty Press is a Tulsa, OK-based company in the Agriculture and Mining sector.
The North American Coal Corporation, a subsidiary of NACCO Industries, Inc. (NYSE:NC), mines and markets lignite coal primarily as fuel for power generation and provides selected value-added mining services for other natural resources companies
Alpha Natural Resources is a large American producer of metallurgical and thermal coal. It also provides services relating to equipment repairs, road construction and logistics (terminals). It doesn't produce all of the coal it sells, some is purchased and resold. Alpha operates in Virginia, West Virginia, Kentucky, Wyoming, Utah, Illinois, Tennessee, and Pennsylvania.
Premier Silica is a Irving, TX-based company in the Agriculture and Mining sector.
Smith Services Inc is a Brownfield, TX-based company in the Agriculture and Mining sector.