Exposed aggregate park patio

North Shore Aggregate Inc. was founded in 1985 by brothers, John and Frank Krupp. It was their goal to create a reliable company that offered custom concrete finishes with great customer service at an honest price. More than 30 years later, they still maintain an active role in the day to day operations of the company. This level of experience helps North Shore Aggregate provide an excellent product to its Chicago area customers.

Our Team

John Krupp


John is one of nine children raised in Northbrook, Illinois. After finishing school, he began to work with his older brother Ed at one of the premier exposed aggregate companies in Chicago. John has been in the concrete industry for over 40 years. Many of the projects he has managed have won ILCA gold and…

Frank Krupp


Frank’s brother Ed also got him into the concrete business back in the 1970’s. It was a decision to offer higher quality contracting that inspired him to start North Shore Aggregate with John. Frank likes working with his hands and being outdoors. His favorite things about working as a contractor are the different job locations, meeting…

Andrew Wiegand


John and Frank’s nephew, Andrew, started working for North Shore Aggregate when he was only sixteen. What began as a summer job for college savings, quickly evolved into a long-term career path. He moved from southern California to Chicago in 2000 to officially begin his career in the concrete trade. Andrew now manages and installs…

Why work with us

30+ Years Experience

We have been offering custom concrete solutions to our Chicago area customers for over 30 years. This level of expertise allows us to complete our projects on time and on budget. Our team of professionals knows how to proactively and effectively manage all of our job sites.

Attention to Details

We know that details matter. We strive to make sure that every client’s project vision becomes a reality. While a project underway, we make sure that any deviations from an original plan are discussed with our clients. This open communication is why we are the preferred contractor of many landscape architects and designers.

Premium Quality

Our quality concrete and exposed aggregate installation process provides a premium final product. From start to finish, we make sure that your project is installed following local building codes and industry standard best practices. We use high strength, high quality concrete mixes from the leading ready-mix concrete supplier in the Chicago area.


  • As landscape architects and contractors we have had the pleasure of working with North Shore Aggregate for over ten years.  Their depth of experience and expertise, excellent workmanship and attention to detail distinguish their work and consistently elevate the project.

    David M.
  • I Just want to say how much I appreciate your efforts this past year in helping us better serve our clients. It’s always nice to that there are those like yourself, John, who really as much as you do about the work they perform.

    Lawrence D.
  • When working with a concrete contractor I have five unyielding expectations…reasonable pricing, an accurate layout, a pour that meets spec, a finish that meets the control and on time and on budget delivery.  North Shore Aggregate has met those expectations.

    John E.
  • Having recently built a house in Glenview, I feel obligated to share my thoughts with you regarding your work in relation to the other tradesmen with whom I have dealt. It is truly rare to see a product which you have planned meet all your expectations.

    Douglas P.