About

About Wessels Company 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. Wessels has developed an excellent reputation for delivering high quality products for hot or chilled water HVAC systems. Every part that goes into our products is tagged and is traceable throughout the life of the product. To ensure international standards of quality, Wessels is ASME certified and meets the Japanese Inspection Standard (JIS). As a result, we’re recognized for delivering a wide breadth of high quality pressure vessels that are cost competitive and delivered on a timely basis.