Commercial Contractors

Specializing in Complex Retail Projects

Retail construction sites have unique priorities. Minimizing business impacts during peak season, maximizing work during store closing hours, and maintaining a safe work environment for everyone – the construction workers, employees, and customers. Rooted in our ability to deliver timely and budget-conscious projects, MB has completed over 30 retail projects in the past three years.

Our Projects


Cornerstone Bank

  • Bismarck, ND
  • 22,000 SF

About This Project

The consolidation of the Cornerstone Bank offices and banking services into one location. Our scope of work includes masonry elevator shaft, stair tower, and exterior stone finishes. We also acted as the carpentry subcontractor on this project.

Abbott Paint & Carpet

  • White Bear Lake, MN
  • 3,000 SF

About This Project

The entry addition to the existing structure transformed the entryway to a larger, warmer, and more inviting entry space with an aesthetic that blends well with the historic charm of downtown White Bear Lake.


  • Multiple locations around Minnesota, North Dakota, South Dakota, and Wisconsin
  • Various

About This Project

Renovations to and additions at existing Menard’s locations.

Building strong foundations and complex projects

Maertens-Brenny Construction is a general contractor that self-performs concrete, masonry, and carpentry. We specialize in industrial, manufacturing, and commercial projects. Contact us to discuss your project.