Don's Directory: Mid-Continent Edition covers the upstream and midstream sectors of the oil and gas industry across Oklahoma, the Texas Panhandle, Kansas and Arkansas. The directory contains Exploration, Production, Geophysical, Drilling, Well Servicing Contractors, Equipment, Supplies, Services, Midstream, Government, and Association sections, giving you the most up-to-date and comprehensive directory of players in the petroleum industry in the region.  Don's Directory: Mid-Continent Edition currently has information on 5,185 companies,9032 locations and 11,560 people.