This is an informational website for the following in Wyoming: Coal Mining and Drilling.

The following coal mines are based out of Gillette, WY:

Arch Coal, Inc. – Second largest producer of thermal coal in Wyoming. They have mines in Colorado, Illinois, West Virginia, and Wyoming.

Cloud Peak Energy – Only pure-play Powder River Basin coal company. Mines low sulfur, sub-bituminous coal and provides logistics supply services. Owns and operates three surface mines: Antelope and Cordero Rojo, in Wyoming, and Spring Creek in Montana.

Eagle Butte Mine – Ninth largest coal producer in the U.S. Is an open pit mine producing a low-sulfur, sub-bituminous coal. Owned by Alpha Natural Resources since 2009. Originally opened in 1978.

Peabody – The largest private-sector coal company in the world, with markets in China, Australia, the United Kingdom, and the United States. The U.S. mines are in the following states: Arizona, Colorado, Illinois, Indiana, New Mexico, and Wyoming, with the largest operation in Wyoming – North Rochelle Mine.


The following drilling companies are based out of Gillette, WY:

Water System Drilling – Full service drilling: water well drilling, well service and repair, foundation boring, oil well surfaces, shallow oil well drilling, and water well and system design. Based in Gillette, with locations also in Montana and South Dakota. Free estimates.

Ruby Drilling – Water well drilling and services, Oil and gas well drilling. Privately owned and located in Gillette.

Matheson Drilling Inc. – Specializing in residential and livestock wells, mine and exploration and dewatering as well. Established in 1977. Located in Gillette. Single location business.

Aqua Pumps, LLC – We do water wells, septic systems, and general construction. Has over 30 years experience. We serve commercial, domestic, and community needs throughout Montana, North and South Dakota and Wyoming.

Cyclone Drilling, Inc. – Over 40 years experience. Based in Gillette, WY. Has established new training center, including safety training. Have rigs in New Mexico, North Dakota and Wyoming.

Ranger Energy Services – We offer: well services, completion, production, plug and abandonment, as well as wireline, snubbing, fluid management and transportation. Based in Texas with locations in Colorado, New Mexico, North Dakota, Texas, and Wyoming.