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.


Caldwell is committed to providing our customers with products that meet or exceed the customer’s expectations with regard to specifications compliance, safety and quality of workmanship. Caldwell is committed to sales, design, manufacturing, installation and service of high quality steel tanks that meet or exceed the customer’s expectations and requirements for performance, cost and schedule. This will be accomplished through a combination of dedicated employees, sufficient resources and the continual improvement of processes. Caldwell will strive to be the leading company in its field and its community.


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).