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About Us

Your source for prestressed and precast concrete construction products.

County Prestress & Precast, LLC is an industry-leading concrete manufacturer and trusted resource for long-lasting, sustainable, and high-performance building materials.

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Proud to be American based and 
American made

Our concrete products are trusted by construction professionals to help build the growing communities where Americans live, work and play. We supply projects of all sizes for infrastructure, transportation, commercial, agricultural, municipal, and residential construction applications. Since 1946, our organization has grown to become a national leader in the construction industry. Our team includes nearly 2,000 dedicated and talented people who work in more than 40 locations throughout six states.

 

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Our production facilities are equipped to meet short lead times and are certified by

National Precast Concrete Association
PCI-web

Locations

We are headquartered in Westmont, Illinois and serve the Midwest and Southeastern United States, including Alabama, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, North Carolina, Ohio, South Carolina, Tennessee, and Wisconsin.

Map showing County Prestress and Precast service locations throughout the Midwest and Florida

Celebrating Our Journey. Building Our Future.

The County Materials' family of companies celebrated its 80th Anniversary in 2026. We proudly reflect on our experience and growth encompassing more than 80 years and how our American and family-owned business has evolved into an industry-leading manufacturer of concrete construction and landscape products.
Triangular diagram showing County Materials’ vision with success, stability, and support as core pillars

Our Vision

Success

We are recognized for the success our company achieves as a manufacturing leader.

Stability

Team members and potential candidates see the stability our company offers through reliable employment, competitive wages and benefits, and rewarding careers.

Support

Our company will continue to support local communities and empower and inspire the people within them.

Strategically focused on supporting programs and projects that empower and inspire people.

County Prestress & Precast is active in our local communities through the Sonnentag American Foundation. The Foundation supports more than 60 nonprofit organizations and causes in four key service areas: Hunger & Homelessness Support, Sexual Abuse & Domestic Assault Services, Veteran & Service Member Support, and Mentoring & Skills Building. 

Latest News

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Elevator Shafts
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