Alliance Resource Partners is a publicly traded company based in the United States that focuses on the production and marketing of coal. It operates several coal mines, primarily in the Appalachian region, and is one of the largest coal producers in the country. The company supplies coal to various customers, including electric utilities and industrial users. In addition to coal production, Alliance Resource Partners is involved in the transportation and logistics of coal. The company aims to provide reliable energy resources while adhering to environmental regulations and promoting sustainable practices in the coal industry.