Superior Steel Products

About Us

Highly Skilled & Professional

Headquartered in the heart of the Pacific Northwest, Superior Steel Products serves customers throughout the United States, Canada and beyond. Our stable, highly-skilled workforce and proximity to excellent transportation facilities gives us a competitive edge, regardless of where our customers are located, or where products need to be shipped or installed.

As a reliable, proven, and quality-driven supplier, we serve our customers by offering competitive pricing and the highest standard of responsive customer service. In a word, “value.”

For your storage or transportation tank needs, contact Superior Steel and discover value, quality and service you can depend on.

Our History

Located in Caldwell, Idaho, just west of Boise, Superior Steel was originally founded in 1991, and was purchased by Larry Questad in 1995.

Today, the company is owned and operated by P.L. Questad and Christian Questad, who purchased the business from their father in 2012.

Over the years, Superior Steel Products has gained a reputation across the country as a reliable, proven, and quality-driven supplier of bulk storage and transportation tanks for applications in numerous industries. And that is a trend that continues to this day.

Contact us today to learn more about our company and how we can help you with your specific needs.

benefits Of our service:

We are committed to serving the Ag/ Fertilizer, Chemical, Fuel, Mining, and Food/ Beverage Processing industries as a proven and quality-driven supplier of bulk storage and transportation tanks and vessels. It is the mission of Superior Steel Products, Inc. to provide competitive pricing and the highest standard of responsive customer service. 

Licensed Professional Engineers on Staff
PE Registered with the National Board 
ASME Code Shop w/ “R” & “U” Stamps

Department of Transportation
Registered DOT Cargo Tank Inspection Facility
Federal Motor Carriers Safety Administration

UL-142 Aboveground Flammable Liquid Tanks
UL-142 Licensed/Registered Manufacturing Business

Superior Steel specializes in custom, turnkey systems that are value engineered to make the most of your budget and your investment. Additionally, as your storage needs change we provide evaluations and subsequent modifications to pre-existing tanks systems – including truck and trailer tank layouts based on GVW and typical hauling loads.

Management & Key Staff