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Concrete Construction


Seppanen Contracting has completed countless projects in the South Dakota, North Dakota, and Minnesota regions. From dairy barns / facilities to farm shops, hay sheds, and more, Seppanen's can tackle any size commercial or agriculture project.

What We Do

Seppanen Contracting is your turnkey solution from the time of concept to construction. We offer design/ build, steel erection, development, and also we are a full service concrete contractor. 


Our projects and capabilities range from heavy to light commercial, agriculture projects such as dairy facilities, farm shops, hay sheds, and much more. 


Concrete Construction


We pour concrete flatwork for hog barns, shops, apartments, and much more.

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Butler Steel Buildings


We construct Butler Steel Buildings for a variety of projects including shops, hay sheds, and more all with top-quality materials.

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Laser Screeding


We use the new SRS-4 Laser Screed from Somero Enterprises, making our jobs more efficient and even better quality.

Our Mission

We will exceed our client’s expectations by providing construction services that are unparalleled in the construction industry with regard to safety, integrity, quality, value, and schedule with a proven team of employees. We bring unprecedented experience and expertise to every project, giving clients confidence and peace of mind.

Our Committment

Safety matters. We are fully committed to safety on and off the job site. 


A Teamwork Approach to Safety

Take responsibility and be accountable.

As a dedicated group of Employee and owners, we understand that safety requires a teamwork approach to impact, influence, and inspire one another to be responsible in keeping each other safe and healthy.  Each Employee Owner has the right to derive personal satisfaction from his/her job and the prevention of occupational injury or illness is of such importance that safety must always be given top priority.  


The commitment we make every day with regards to safety is to adhere to our industry leading safety standards, hold safety at the forefront of everything we do, continually improve our processes, demonstrate leadership, and promote comprehensive safety programs, policies, and procedures. SCI expects all Employees and its partners to take responsibility and be accountable for making this commitment to themselves, our clients, our community, and our families. 

View Our Projects

View some of our past projects. We can specialize in commercial and agriculture projects, including dairy facilities, farm shops, hay sheds, concrete flatwork, steel buildings, rural buildings, and much more. See what we can do for you! 

Ready to get started?

Contact Us
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