Most of us buy used guitars and between Fender poorly marking pickups, other companies making 'replicas', a few faked clones sold as real, owners building their own pickups from kits, and general pickup-swapping tone-chasing adventures we expect the pickups have been messed with and the usual details get revealed by looking at the backs of the pickups and the wiring.
As of January 2015, Exxon Mobil is the largest producer of natural gas in the United States at 3,415 million cubic feet per day, according to the Natural Gas Supply Association. Next is Chesapeake Energy at 2,979 million cubic feet per day, followed by Anadarko and Southwestern Energy Co.
1 Largest natural gas producers worldwide based on production output in Q2 2016 (in billion cubic feet per day)*Global natural gas largest producing companies 2016. 2  2017 ranking of the leading global oil and gas companies based on revenue (in billion U.S. dollars)2017 global list of the top oil and gas companies based on revenue.