About Us

County Prestress and Precast, LLC is your source for prestressed and precast concrete construction products. 

We Manufacture Concrete Building Materials for:

  • Industrial Warehouses and Logistics Centers
  • Manufacturing Facilities
  • Medical, Municipal, and Educational Buildings
  • Multifamily and Mixed-Use Complexes
  • Parking Garages

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

Our products include insulated wall panels, hollowcore planks for podiums and total precast systems, parking structure and building components, prestressed concrete bridge girders, precast bridge systems, precast elevator and stair shafts for mid-rise buildings, concrete perimeter walls, and precast light pole and signage bases. 

Trusted Experience

With nearly 80 years of concrete manufacturing experience, the County Prestress & Precast team understands construction professionals’ needs and is committed to providing the highest quality products and services to meet even the most challenging construction schedules. Our production facilities are equipped to meet short lead times and are certified by the Precast/Prestressed Concrete Institute and the National Precast Concrete Association.

Company Brochure qxio-ios-arrow-right

Where We Are Located

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.


Building on Our Vision

Our Vision for Success, Stability and Support drives our business strategies and growth in manufacturing trusted construction products and establishes strong partnerships.

Our manufacturing experience and diverse capabilities are trusted to meet the demands of growing communities and contribute to the success of the concrete construction and manufacturing industry.

We demonstrate stability through our company’s steady growth, enabling us to offer reliable, rewarding careers with competitive wages and benefits and invest in developing our team members.

We actively support worthy causes and organizations in the communities where we have locations.

How We Give Back To Local Communities

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. 

Additionally, the Sonnentag American Foundation awards continuing education scholarships for graduating high school students whose parents work for our company.