Founded in 1947, Silvi Materials is a family-owned construction materials producer that grew from a cement-block plant in Pennsylvania into a multigenerational business serving the East Coast. The company produces ready-mix concrete and aggregates, and imports, grinds, and blends cement at its Bristol terminal. Its operations include more than 36 locations and a network of concrete plants, quarries, and marine terminals.
PennDOT-approved cement for projects in Pennsylvania
Compliance program
NJDOT-approved cement for projects in New Jersey
Compliance program
Delaware DOT-approved cement for projects in Delaware
Compliance program
Maryland DOT-approved cement for projects in Maryland
Compliance program
PennDOT salt standards
Compliance program
NJDOT salt standards
Compliance program
New Jersey Turnpike treated rock salt approval
Compliance program
PENNDOTAPPROVAL
Quality certification
DELAWAREDOTAPPROVAL
Quality certification
MARYLANDDOTAPPROVAL
Quality certification
NEWJERSEYTURNPIKEAPPROVAL
Quality certification
Central Builders Supply CompanyEstablished in 1928 on Packer’s Island in Sunbury, Pennsylvania, Central Builders Supply Company produces and supplies concrete-related construction materials. It grew from local construction and building-material supply into an integrated producer, acquiring sand and gravel sites to supply its own operations and customers. The company employs over 90 people and operates throughout Central and Northeastern Pennsylvania.SUNBURY, PA
Byler Materials GroupByler Materials Group is a Pennsylvania-based construction materials producer and transportation provider made up of four operating companies serving Pennsylvania, Delaware, and Maryland. The group traces its materials-sector operations to the 2007 acquisition of Boger Concrete and has since expanded through Merrick Sand & Gravel, Byler Trucking Services, Byler Quarries, and the 2026 merger that formed BQ Concrete. Its operations include ready-mix concrete production, quarrying, sand and gravel production, and bulk-material hauling.MIDDLETOWN, PA
Hanover Concrete, CoEstablished in 1940, Hanover Concrete, Co. is a family-owned concrete producer and building-materials supplier based in Hanover, Pennsylvania. It manufactures ready-mixed concrete and fabricates reinforcing steel in-house, and has expanded to serve south-central Pennsylvania and northern Maryland through its Hanover, Shrewsbury, and Gettysburg operations.HANOVER, PA
Bryan Materials GroupFounded in 1883 by Frank Bryan as an excavation business, this family company has grown over five generations into a Pittsburgh-area construction materials producer and supplier. Bryan Materials Group manufactures concrete and precast products, produces aggregates, and operates transportation and logistics services serving construction projects across Western Pennsylvania and the surrounding region.PITTSBURGH, PA