White County Coal, a part of Alliance Resource Partners, operates Pattiki, which is an underground mining complex in White County in Illinois. Pattiki uses a variety of room-and-pillar mining techniques. The facility ships coal through Evansville Western Railway. It maintains a preparation plant and transloading facilities. Alliance Resource Partners is one of the largest coal producers in the eastern United States. It, also known as ARLP, is a publicly traded company that has been in operation since 1971. The company serves clients in the utility and industrial markets. Alliance Resource Partners maintains more than 2,900 employees and has revenues of over $1 billion.