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About Us

Company Overview

Serving American Industries for Over a Century

Since 1887, Caldwell has provided innovative, highly-engineered water storage tanks, industrial Field-Erected tanks, vessels, and concrete storage solutions throughout North America. Leveraging broad capabilities in turnkey design, fabrication, and construction, Caldwell serves water, chemical, oil and gas, wastewater, process, power, energy, and aerospace industries. 

In 2015, Caldwell and Preload came together as affiliated companies to better serve our customers. We are the only company that can deliver the full array of tank styles, capacities, and material types — uniquely positioning us to fulfill your needs. 

Put our leading expertise to work for you. Call or email us today.

Our History


W.E Caldwell Co. is born.  Produce Steel & Wood Tanks


Constructs first flour mill


Opens official headquarters at Brook & Brandeis, Louisville, KY


First Steel Tank, 100,000 Gallon Hemi, is sold to Virginia Light & Water Company in Virginia, MN


Demand for Caldwell products continues to grow


Technological innovation in fabrication continues


WWII calls on Caldwell for Chemical Tanks


Business booming in NYC for Fire Tanks


Now servicing 45 states & 12 countries


Opens modern headquarters on Tower Road, Louisville, KY


J.B. Robinson and Bernie Fineman begin service as Chairman & President


Establishes a Safety and Loss-Control Program


Caldwell's first Composite Elevated Tank is built


Taps into the Prestressed Concrete Tank industry


Caldwell Tanks, Inc. is affiliated with Preload, LLC.


Becomes the only field erected welded steel tank fabricator to be ISO 9001:2015 Certified


Earns ASME U, U2, and R Certification


K. Ryan Harvey becomes President of Caldwell Tanks, Inc.

Industry Leader


Caldwell is the only tank contractor that offers all types of Field-Erected elevated and ground storage tanks. Simply put, Caldwell designs and builds each style of tank in all capacities, because the marketplace demands it. Caldwell is uniquely qualified to meet your needs. 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).

Caldwell Specialty


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, ductwork design, and construction. Experience Caldwell’s extensive capabilities!

Moving Forward - Two Companies, One Vision

Stronger Together

These are truly exciting times for the Caldwell Companies. In 2021, we succeeded in acquiring our ASME U and U2, as well as R stamps under ASME Section VIII Division I & II. We have a history of building a number of pressure vessels and spheres. 

Committed to bolstering our resources, Caldwell invests in and maintains a dedicated stainless steel tank production system. Moreover, we utilize the latest in pressure vessel software design tools and rely upon industry-leading engineering expertise. 

Our sister company, Preload, is currently constructing yet another large prestressed concrete LNG tank. We also have the capability to build double wall cryogenic spheres for LNG, NGLs, light liquids, and hydrogen storage markets. 

Caldwell continues to lead the charge in developing new and innovative liquid storage along with energy storage systems. Let us show you where we can go together.