Fox Tank Company is one of the leading oil storage tank manufacturers in Texas, serving the growing oil field production need ... s of the Eagle Ford Shale, Permian Basin and Bakken Shale area. We produce AP-12F tanks in standard capacities that range from 90 to 750, as well as a variety of separation equipment including vertical and horizontal heater treaters, gas separators and water knockouts. We are proud to be the only API-12F certified tank manufacturer in the Alamo Area Region of Governments (AACOG) 12 county area. With over 40 years of experience, count on Fox Tank Company for all your oil field storage needs. read more