Company Overview

Since 1887, Caldwell has been building innovative, customized water tanks, industrial field-erected tanks and vertical concrete storage structures throughout North America. Caldwell’s broad capabilities allow turn-key design, fabrication and construction for the water, wastewater, grain, coal, process, power and energy industries.


Industrial field-erected tanks are a Caldwell specialty. Our numerous field crews and top of the line capabilities allow us to build your field erected tank when you need it. Whether it be fuel storage, stainless steel process tanks or wastewater treatment tanks, we can build it to your specifications. We provide tanks for the ethanol, Biodiesel, distillery, process, pulp & paper, oil & gas, water treatment and grain industries. Caldwell also offers process piping and ductwork design and construction. Experience Caldwell’s extensive capabilities!

Potable Water Tanks

Caldwell is the only tank contractor that offers all types of elevated and ground storage field erected tanks, as well as maintenance programs. Each tank is designed and constructed to applicable standards of the American Petroleum Institute (API), American Water Works Association (AWWA), American Concrete Institute (ACI) and American Society of Mechanical Engineers (ASME).