Alaska's leader in pre-engineered steel buildings for 55 years.

What We Do

Durable Steel Buildings in Alaska

Choose Superstructures for custom pre-engineered steel buildings, predesigned packages, and insulated panels built to last. Steel is the toughest choice, making sure your building withstands Alaska’s harsh conditions.

Engineering Expertise Built for Alaska

With over 50 years of experience, our expert engineers know how to design and build strong, durable steel structures that handle everything the rugged region throws at us.

Steel Solutions for Every Need

No matter the request, we have the solution for your steel building needs. From auto shops and barns to warehouses and workshops, we’ll engineer a building that meets your goals and exceeds your expectations.

Why Our Clients Have Trusted Superstructures for 55+ Years

25-Year Structural Warranty

No risk. No worries. We’re a proud supplier of Varco Pruden.

Unlimited Customization

It’s your building. Whatever you need, we’ll design, engineer, and build it.  

Decades of Local Experience

We’ve built 200+ structures in Alaska over the last 55+ years. We know what it takes to survive and thrive in Alaska’s climate. 

Our Work

From hangars to garages, see the custom projects our Superstructures team has brought to life.

Get to Know Our Team

For over 55 years, Superstructures has led the way in steel building engineering, from warehouses and commercial spaces to custom designs. Our local engineers craft tailored solutions with a deep understanding of Alaska’s unique challenges. No matter the challenge, they’re ready to take it on.

What Our Clients Have to Say