For more than 90 years, Mack Industries has remained a family-owned manufacturer guided by three generations of the Mack family since its founding in Valley City, Ohio, in 1932. The company is known for precast concrete work and supplies contractors across a multistate region, with engineering, delivery and installation handled through its network of plants.
National Precast Concrete Association (NPCA) Certified Plant
certification
Precast/Prestressed Concrete Institute (PCI) Certified Plant
certification
National Ready Mixed Concrete Association (NRMCA) Quality Certification
certification
Ohio Concrete Certification
certification
North Carolina Department of Transportation Certified Plant
certification
Florida PCSA Certified Plant
certification
Norwalk Concrete IndustriesFamily-owned since 1906, Norwalk Concrete Industries manufactures precast concrete products and provides related services for highway, utility, construction and onsite wastewater projects. Based in Norwalk, Ohio, the company is an early member of the National Precast Concrete Association and serves customers across much of the Midwest, with custom work captured in its motto, “You dream it. We’ll cast it.”NORWALK, OH
Ernest MaierNearly a century after Ernest Maier Sr. began making masonry blocks by hand in 1926, Ernest Maier remains a family-owned and operated company rooted in hard work, honesty and service to its community. The Mid-Atlantic business now supports construction projects with concrete and other building materials for contractors, architects, engineers and homeowners.FRUITLAND, MD
Deihl Vault & Precast, IncFamily-owned Deihl Vault & Precast grew from a small burial-vault company purchased by Richard and Jill in 1973 into a Pennsylvania manufacturer with more than six decades of precast experience. Now led by co-owners Mike and Faith Deihl, the company carries that family tradition into work for contractors and infrastructure projects, including septic tanks and stormwater systems.ORANGEVILLE, PA
Long Island Precast, IncFamily owned and operated since 1985, Long Island Precast has spent more than three decades serving the New York metropolitan area from its Long Island production facility. The company is known for evolving from a local leaching-pool caster into a manufacturer of custom precast concrete solutions, with an NPCA Certified Plant and NYSDOT approval for QC/QA production.BROOKHAVEN, NY