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Metal Pole Building Construction for Storefronts

When it comes to building a retail space, post-frame construction is the superior choice. It is an economical and versatile solution for any business venture. Metal pole buildings use vertical posts as the main structural support system. This construction method reduces labor and material costs compared to traditional methods. Greiner Buildings uses only high-quality materials for long-lasting performance.

Custom Storefronts in Iowa and Illinois

Greiner builds it best. Our buildings are completely customizable, from top to bottom. We work directly with you to understand your vision. We offer state-of-the-art 2D and 3D blueprint design plans to make sure your building turns out exactly as envisioned.

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Long-lasting Storefronts with Pole Barn Construction

Our priorities are speed, safety, and satisfaction. Our expert team is highly trained and has been in the post-frame construction industry for over 35 years. We know you’re ready to get your business running, so we recognize the importance of completing the building process quickly. Our streamlined approach and efficient construction methods minimize downtime and ensure timely project completion.


  • Throughout the decision process, Jeff stayed in contact with us but was never pushy. He always stressed ‘what can I do to help you through the process!’ Simply put, Jeff sold this project. Thanks for a great addition to our property!

    -Tom B., Davenport, IA

  • Competitive price and helpfulness of Greiner representative Jeff. Project manager was also very willing to help or ask any questions.

    -Darrin C., Harper, Iowa

  • Their price was very fair and the local staff’s professional attitude was great and all-in-all they did a great job.

    -John B., Toulon, IL

  • You wouldn’t believe the amount of compliments I’ve gotten about the building. I will recommend Greiner to others and use you guys for future projects.

    -Bryton K., Geneseo, IL

  • We chose Greiner Buildings because of their professionalism during the bidding process, and pre and post-construction.

    -Chris G., Washington, IA

  • Why are post-frame buildings cheaper to build?
    Post-frame construction uses simplified foundations and fewer materials than traditional methods. These features help keep costs down.
  • Are post-frame buildings durable?
    Yes! Post-frame buildings are incredibly durable. Their resilience is primarily attributed to the strength and anchoring of ground-embedded columns.
  • Can you customize the design of my pole barn?
    Yes, absolutely! We offer a wide range of customization options, including size, roof style, siding material, colors, doors, windows, and more. We work closely with you to create a pole barn that meets your needs and preferences.
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Accreditations / Awards

Time and time again, we’ve been nationally recognized for our custom post-frame buildings. Working for us ensures you gain valuable construction experience from the best in the business. We’re highly accredited for our work in the industry, and our employee safety program earned a Platinum Award—the highest recognition in the post-frame industry.

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