Steel Tanks

Built to Code – ASME, UL, AWWA, NFPA

Our tanks are available in many different materials and sizes, enabling us to match our product with your specific industrial needs.  

Fiberglass Tanks

Built to Code – API, ASTM, D-3299

We will build to your specifications. Our tanks are available in many different materials and sizes. 

Catwalks & Crossovers

HSI manufactures an extensive line of walkways, ladders, and platforms for tanks and vessels. They are powder coated and OSHA compliant to help you meet your fall protection and access requirements.


Built to Code – ASME

HSI manufactures both horizontal and vertical heater treaters. Available in all standard and custom sizes.

Packaged Equipment

Our packaged equipment is prefabricated at the Hess Services, Inc. manufacturing plant and delivered to your well stream.

Well Stream Process Package

The Well Stream Process Package is quickly delivered, quickly installed, cheaply maintained, and can be relocated with minimal costs.

Small Parts

A variety of small parts are kept in our parts department. Need it custom build? We can make it for you!

All Products and Services…



We Strive to Meet


Exceed Expectations