Hall Tank Company is a fabricator of aboveground steel storage tanks to the American Petroleum Institute (API 12F). Our tanks are fabricated to the latest edition of The American Petroleum Institutes API 12F specifications. API 12F tanks fabricated by the Hall Tank Company are shop fabricated, vertical, cylindrical, aboveground, closed top, welded steel, with a conical top and either flat bottom or the type A unskirted or type B skirted cone bottoms and are intended for internal pressured not to exceed atmospheric. These tanks are used by the oil production industry for storage of crude oil, water and other liquids commonly used by this industry.