About Us – Louis Structures

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About Louis Structure

Louis Structures is a pioneering Wisconsin-based company revolutionizing the construction aggregate industry through innovative waste-to-resource technology. Founded in 2017, we’ve developed a patented process that converts municipal solid waste into MSWagg®, a lightweight aggregate that outperforms traditional construction materials while advancing environmental sustainability.

Performance Highlights

Lighter

0 %

Weight

PSI

Strength

0 %

Cost Saving

yards / ton

CO2 Reduction

Leadership Team

Benjamin Horvat

CEO & Founder

Visionary innovator with deep expertise in waste management and sustainable material development.

Dr. Mel Luetkens

CTO

Expert in renewable and petrochemical industries, guiding technical innovation and process optimization.

Randy Barfield

CFO

Expert in renewable and petrochemical industries, guiding technical innovation and process optimization.

01

Our Mission

To transform municipal solid waste into high-quality construction aggregate, promoting sustainability and reducing environmental impact.

02

Our Vision

To become a global leader in sustainable construction materials and waste management solutions.

Technical Advisory Board

Louis Structures benefits from the expertise of leading voices in engineering and materials science

01

Dr. William Likos

Chair, Civil & Environmental Engineering, University of Wisconsin–Madison.

02

John Luby

John Luby – Former Waste Management executive, strategic advisor on large-scale material handling.

02

Julie Buffenbarger

Materials science specialist with 30+ years in construction materials innovation.

Our Facility

Location: Oostburg, Wisconsin
Our state-of-the-art production facility is equipped with advanced waste processing and manufacturing
equipment. We maintain strict quality control throughout our multi-stage production process to ensure every
batch of MSWagg® meets the highest industry standards.

What Our Client Says

Real Experiences, Real Impact

"Working with Louis Structures’ MSWagg® has transformed the way we approach large projects. The lightweight aggregate reduced handling time and transportation costs significantly, without sacrificing performance. It’s a smarter choice for modern construction."

David Thompson Project Manager, BuildRight Contractors

"As engineers, we rely on materials that meet strict standards. Louis Structures’ MSWagg® not only meets ASTM and DOT requirements but also delivers exceptional structural strength. It’s a breakthrough product that combines efficiency with reliability."

Emily Carter Senior Structural Engineer, InfraTech Solutions

"For our state-funded bridge project, Louis Structures’ MSWagg® proved invaluable. Its reduced weight cut down on fuel use and emissions, while still meeting every performance benchmark. It aligned perfectly with both our budget and sustainability goals."

Michael Johnson Procurement Officer, State DOT

"Our clients demand quality and speed, and Louis Structures’ MSWagg® helps us deliver both. It integrates seamlessly into mix designs, offers the same strength as conventional aggregates, and ensures lighter, faster deliveries. We’ve made it our go-to aggregate."

Sarah Williams Director, GreenMix Concrete Supplies

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