Commercial Buildings


Gateway Building Systems since 1958


Crane Rentals


Commercial Ag

Gateway Building Systems, Inc. has worked with grain elevator operators and corporate organizations throughout the upper midwest offering in-house crews for steel, concrete & millwright construction.

Commercial Buildings

Gateway Building Systems, Inc. has provided building design and construction services to the upper midwest since 1958.


Gateway Building Systems, Inc. has worked to help farmers customize their operations in the upper midwest – from planning & design to completed clean efficient on-farm sites.

Seed Treatment

Gateway Building Systems | GAN-AG with USC Seed Treatment Solutions is now your one-stop shop for all your seed treatment needs.  From the sale to the install to maintenance, Gateway now covers it all.

Gateway Building Systems has gained a hard earned reputation as a Design/Build contractor that holds experience, quality, reliability, and safety above all other considerations.

Gateway Building Systems has gained a hard earned reputation as a Design-Build General Contractor that holds experience, quality and reliability above all other considerations. When you select Gateway, you’re getting more than a contractor. You are getting a full-service Design-Building General Contractor that will create the building solution that meets your needs. By combining creative design capabilities with quality products in masonry, concrete, wood or Butler steel buildings, we create a building that works for you. Since 1958, we have been dedicated to providing uncompromised service to our clients and professional growth and fulfillment for our employees. We listen to our clients, share their values and respond to their needs. In short, we take great pride in helping our clients see their dream become a reality.

Years of Service
Star Service

Call Gateway Building Systems Today!

Providing quality, integrity & pride of workmanship to the Upper Midwest since 1958

Excellent contractor, efficient staff.


Talk with Ken or Shane, great customer service from them!


I work there, I can actually say I love my job, the best people to work for in my experience.


The Gateway team has been building Ag and Commercial projects for decades. You can trust the right design, structure, and quality when working with Kevin and Marius.


Great company. Excellent leadership. Highly recommended!






The Building Blocks to Success

Planning, Design, Steel, Concrete, & Millwright!

Request a Quote

Job Openings

October 7, 2020 in Job Openings

Jamestown Location: Millwright Leadman

Jamestown Location: Millwright Leadman Join our industry leading construction team. Gateway Building Systems has immediate openings for Millwright Leadman. Must…
Read More
October 7, 2020 in Job Openings

Jamestown Location: Millwright

Jamestown Location: Millwright Join our industry leading construction team. Gateway Building Systems has immediate openings for Millwright/Welders. Must be proficient…
Read More


September 28, 2020 in News

Chris “One Man Does It All” Mohs

After seven years of having Chris Mohs as an amazing project manager at Gateway Building Systems -- you finally get…
Read More
July 21, 2020 in News

Jeremy “Unofficial Counselor” Leiviska

Jeremy has been our HR manager here at Gateway for over a year!  He spends his days running around and…
Read More

We are proud of

Our Capabilities


Grain Storage, Grain Handling, Grain Aeration, Grain Conditioning, Flex-N-Seal, Grain Bin Unloading, Grain Bin Accessories, Grain Management Systems, Remote Monitoring, Support Structures.


Industrial Buildings, Mini Storage, Office, Reroof, Sports Complex, Warehouse, Ethenol Plants, Farm Shops, Grain Elevators, Dump Pits, Crane Rentals, and Seed Treatment Equipment


Hopper Bins, Feeder Tanks, Smooth Wall Bins, All Welded Hopper Bottoms, Bolt Together Kits, Air Systems, Bucket Elevators, Conveyors.

Building Maintenance

Water Leaks, Hail Damage, Office Fit-Ups, Roof Repairs, Energy Loss, Door Closure Adjustments, Re-Sheeting Wall Panels, Remodels, Gutter Repairs, Roof Curb Replacements, and Wall Damage.

Seed Treatment Facilities

Box to Box Treaters, Lab Treaters, Multiple Weighing Systems, Bulk Seed Systems, Automated Systems Control and Management, Seed Conditioners, Seed Tenders, Seed Storage Pods, Seed Shuttle, Pump Stands and Mix Tanks, U-Connect real time Customer Support.

Some of our clients include: