For perspective, if the Marcellus Shale region were a country, its natural gas production would rank third in the world, after Russia and the rest of the US. The Marcellus now produces more than double Iran's yearly natural gas output.
The vast majority of the Marcellus gas is coming from Pennsylvania and West Virginia.
(source: Daily American as reported by the Associated Press)
J&J Truck Bodies & Trailers manufactures a full line of products that are used in oil and gas production: