Pennsy Supply is the leading manufacturer of aggregate, sand, asphalt and concrete throughout the North and Central Regions of Pennsylvania providing materials for commercial construction, infrastructure development and residential building. Pennsy Supply is part of Oldcastle Materials, the leading vertically integrated supplier of crushed aggregates, asphalt, ready mix concrete and paving services in the United States. Serving the region for more than 90 years, Pennsy Supply operates over 15 asphalt plants, 12 aggregate quarries, 3 sand sites and 6 ready mix concrete plants. In addition to providing professional paving services, we are dedicated to manufacturing quality aggregate, sand, asphalt and ready mix concrete.