Custom-Made Steel Building Kits Tailored to Your Unique Needs

We specialize in providing custom-made prefabricated steel building kits designed to fit your exact specifications.
Excellence in Steel, Built for You

Why Choose Atlantic Steel?

Offering top-quality, 100% American-made steel buildings with the best prices, expert engineering, and a 40-year warranty!

Fast & Hassle-Free Delivery

We ensure quick, efficient delivery of your prefabricated building, ready for easy assembly with minimal effort.

Superior Quality & Strength

We use 100% American-made steel and provide a 40-year warranty for unmatched durability and reliability.

Best Price Guarantee

With our direct factory pricing and 100% price match guarantee, you always get the lowest cost in the industry.

Custom Designs & Engineering

Our expert team works with you to create a steel building tailored to your exact needs and specifications.
Built to Last, Priced to Impress

America’s Most Trusted Steel Building Company

At Atlantic Steel, we put our customers first. As a trusted leader in the prefabricated steel buildings industry, our experienced team of engineers is dedicated to delivering you with the building of your dreams at a fraction of the cost. Because we deal direct from the largest factories in the country, we offer a 100% Price Match Guarantee on all quotes.
Built with precision, backed by quality—Atlantic Steel delivers durable, 100% American-made steel buildings at unbeatable prices. With our 100% Price Match Guarantee and expert engineering, we make your dream structure a reality while ensuring strength, affordability, and customer satisfaction.

Steel Building Supplier Committed to Excellence

Steel has a global reputation for providing the framework of buildings, but in the past, it was rarely seen as the star of the show — the part that could be both the face and the skeleton of a project. That perception is changing, thanks to the success of the best metal building company in America.

That’s us at Atlantic Steel Structures — metal building suppliers leading the way as the country’s foremost steel structure company.

Delivering innovative steel structure building solutions for clients nationwide.

The demand for steel construction buildings has risen sharply in recent years, and for good reason. Steel offers an unmatched strength-to-weight ratio, exceptional resistance to the elements, and design flexibility that other materials simply can’t match. It also enables faster build times, especially with prefab steel structures, which are manufactured off-site and assembled quickly with minimal disruption to your schedule.

So why are steel buildings sometimes marketed as though they’re a brand-new concept, when they’ve been around for decades? The answer lies in how far the materials and construction methods have evolved. Advances in technology and engineering have redefined what’s possible, making modern steel structures more durable, efficient, and visually appealing than ever before.

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Steel Buildings Can Be Attractive – It’s True

Forget the old image that metal building suppliers are always up against. You can do a lot more with this robust material than make aircraft hangars and barns as options are expanding beyond the realms of purely practical, no-frills buildings. There is sophistication to be had here now. And consider the other options: concrete blocks and bricks are not beautiful in themselves. That’s why they are usually covered by some smooth material that is then painted to create the desired effect.

A top steel structure manufacturer can give you a design and a finish to be proud of. Atlantic Steel Structures architects in particular are dedicated to redefining the image, and any design, any architectural flourish you see created with a different material can be achieved with this one.

Will it Always Look Like Steel?

There are elements of steel construction that are necessary for strength: the ribbed effect, for instance, but that should not be regarded as a negative. On the contrary: it’s a positive thing. Think of steel sheets like the defined muscles of a supremely fit, strong athlete. They speak of strength and durability. As steel structure manufacturers we are proud of our medium and the mindset in the US is changing accordingly: steel is tough and can be very good looking: what better combination can there be?

Versatility and Speed of Construction

Steel panels are designed to be interlocking, which means whole walls and a roof can be assembled quickly. With these panels, you will have a building ready to go in a short time. The snug interlocking also means these expanses are weatherproof, specifically designed to keep out the rain and wind.

Insulation Provides Many Advantages

Some other common reservations that a steel structure company has to address are heat/cold and sound. Left to its own devices steel is a good conductor of heat and cold, which in this case is not good but bad. But reflective paint can do away with much of that unwanted temperature variation from the outside, while insulation takes care of it from the inside, minimizing heat loss. Insulation is easily applied by a good steel structure company, and of course it is not only metal that needs this kind of assistance. Whatever material your walls and roof are made of, they need help in this respect.

Popular insulation materials include fiberglass, mineral wool, foam board or spray foam. We will discuss this with you and propose the best option. Another possibility is the thermal break, which interrupts the heat transfer process.

On the sound front, acoustic technology has advanced so that some judiciously placed sound dampening panels can make the building a comfortable place to be in that respect too.

If you take more than a passing interest in this kind of thing and want to be sure you’re getting the best, we will happily go into detail about it.

Your Trusted Steel Building Supplier & Manufacturer

When it comes to choosing a steel building supplier, you want more than just a company that ships parts — you want a partner who understands your vision and delivers on every promise. At Atlantic Steel Structures, we combine the best of both worlds: the reliability of a leading steel structure manufacturer and the personal service of a supplier who cares about every detail.

From precision-engineered prefab steel kits to fully customized designs, we provide solutions built to last. Our American-made steel, expert engineering, and 40-year warranty make us a name customers trust coast to coast. Whether you’re expanding your business, protecting valuable farm equipment, or building your dream shop, you can rely on Atlantic to deliver quality at every stage.

Serving Customers Nationwide, Including Florida

Atlantic Steel has proudly delivered projects to customers across the United States, with growing demand in regions that face extreme weather. Florida, in particular, has become one of our most active service areas.

Why? Because our hurricane-rated steel buildings give homeowners, farmers, and business owners peace of mind. Engineered to withstand wind speeds of up to 180 MPH, our structures are designed with strength, safety, and longevity in mind. When severe storms hit, you need a building that won’t just stand — it will protect. That’s why so many Floridians turn to Atlantic Steel Structures for their construction needs.

Quick Steel Buildings: Fast Delivery, Faster Setup

Need a building in place quickly? Our quick steel buildings are designed for speed without sacrificing quality. Many of our prefab kits are in stock and can be shipped within days, so you won’t be waiting months to break ground.

Once your kit arrives, assembly is simple and efficient. Thanks to prefabrication, every component fits together seamlessly, reducing installation time compared to traditional construction. While wood or concrete projects can take months, an Atlantic steel building can often be erected and ready to use in weeks — sometimes even days for smaller structures.

That means less downtime, faster results, and a building you can trust for decades to come.

Contact Us About Your Project

If you’re exploring budget-friendly options, our selection of steel structures for sale combines high quality with competitive pricing — and we’re here to guide you through every step of the decision-making process.

Indeed, there is a lot to take into account when deciding whether to go for a steel structure manufacturer, and if so, which one. If you want the best metal building company around, we respectfully suggest you allow us to talk you through it. If you already know the dimensions and layout of the building you want, just fill in the online for a metal building price quote.

If you’re not that far down the road yet but want some idea of the possibilities and a ballpark price, fill out our quote form today and get a custom steel solution tailored to your needs.

Frequently Asked Questions About Our Steel Buildings

What is a prefabricated steel building?

A prefabricated steel building is a structure engineered, manufactured, and cut to exact specifications in a factory before being delivered to your site. This process allows for faster assembly, reduced construction costs, and minimal material waste compared to traditional construction.

How much does a steel building cost per square foot?

Steel buildings generally range from $20 to $40 per square foot, depending on size, design complexity, location, and custom features. Prefabrication helps keep costs lower by reducing labour and construction time.

How much does a 30×50 or 40×60 steel building cost?

A 30×50 steel building typically costs between $30,000–$60,000, while a 40×60 steel building may range from $40,000–$80,000. Final pricing depends on customization, location, and foundation requirements.

Can I design a custom steel building plan?

Yes. We provide custom steel building plans tailored to your project’s needs. From floor layouts and ceiling heights to exterior finishes, insulation, and colour options, our design team ensures your building matches your vision while meeting all engineering requirements.

Do you ship steel buildings nationwide?

Yes. We deliver prefabricated steel buildings to customers across the U.S. Every building is engineered to meet your state and local codes, ensuring compliance no matter where you’re located.

Do you offer steel buildings in Florida?

Yes. Atlantic Steel has strong demand in Florida, where we specialize in hurricane-rated steel buildings. These structures are engineered to withstand wind speeds of up to 180 MPH, making them ideal for coastal and storm-prone regions.

How quickly can I get a prefab steel building delivered?

Many of our quick steel building kits are in stock and can ship within days. Depending on size and customization, your building can often be erected and ready to use in just weeks — much faster than traditional wood or concrete construction.

Are steel buildings weather resistant?

Yes. Steel buildings are engineered to be weather resistant, offering superior protection against rain, snow, wind, and humidity. With proper coatings and insulation, your building remains durable and low-maintenance for decades.

Can steel buildings withstand hurricanes, fire, or earthquakes?

Absolutely. Our steel structures are designed to endure extreme conditions:

  • Hurricanes: Engineered to resist wind speeds up to 180 MPH.
  • Fire: Steel is non-combustible, reducing fire risk.
  • Earthquakes: Steel’s strength and flexibility allow it to absorb seismic shocks better than brittle materials like concrete.

Do steel buildings need a foundation?

Yes. All steel buildings require a foundation for stability and anchoring. The most common type is a concrete slab foundation, though pier or perimeter foundations may also be used depending on project requirements.

Are your steel buildings engineered to meet state and local building codes?

Yes. Every Atlantic Steel building is stamped and sealed by a licensed engineer in your state, ensuring full compliance with state and local building codes for wind, snow, and seismic loads.

What warranty do you provide on your steel buildings?

We stand behind our products with a 40-year structural warranty on all buildings. This guarantee reflects the strength, durability, and long-term performance of our 100% American-made steel.

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Strength, Versatility, and Innovation

Prefabricated Steel Buildings for Every Industry

Automotive Buildings

Our metal shop buildings provide great flexibility in design choices to help you start or grow your business.

Equestrian Buildings

Our 100% American steel riding arenas feature a clear-span design for durable, year-round riding enjoyment.

Agricultural Buildings

Farm equipment is a valuable asset, so we provide high-quality buildings to keep it safe, secure, and protected.

Commercial Buildings

Our commercial buildings offer versatility for companies who are looking to add additional space at a fantastic price.
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Unmatched Quality, Value & Expertise

What Makes Atlantic Steel Different?

At Atlantic Steel, integrity is at the heart of everything we do. We hold strong American values, and we believe in transparency and developing strong relationships with our clients. Our team of engineers and building professionals brings unparalleled insight to every project, ensuring you receive a building that’s guaranteed to stand the test of time.

We understand that every project is unique, which is why we offer FREE drawings and stamped engineering. From concept to completion, our goal is always to ensure that your experience with us exceeds expectations.

Build with Strength, Save with Confidence!

The Best Steel Building Kits

Not only do we offer the very best pricing in the industry, we also pride ourselves on producing only the highest quality buildings. That’s why we use 100% American-Made Steel, and each of our structures is backed by a 40-Year Warranty. We offer a wide range of prefabricated building options, and are ready and available to help you design your dream structure today.

Let’s Build Something Great Together!

Get Your Quick Steel Building Quote Today!

We are excited to work with you to create your ideal steel structure. Give us a call and we can provide you with a quick quote. We look forward to speaking with you!

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