Wessels offices and worldwide headquarters are in Greenwood, Indiana, a suburb just south of Indianapolis. Our adjacent 110,000 square foot facility is responsible for the manufacture of tanks up to 36 inches in diameter with a variety of available lengths. We are currently expanding our operations in Tiffin, Ohio, and formed Wessels East, our large tank division. We are capable of building vessels up to 12 feet in diameter and 50 feet in length.