Nomac is an affiliate of Chesapeake Energy Corporation, the second-largest producer of natural gas, a Top 15 producer of oil and natural gas liquids and the most active driller of new wells in the U.S. Virtually all of Nomac’s rigs are employed in unconventional shale resource plays, making Nomac one of the leading horizontal drillers. Over the last 10 years, Nomac has been the fastest-growing driller in the U.S., growing from five rigs in 2001 to 115 marketable rigs today.