Posillico Materials' commitment to our environment, product quality, safety, sustainability, and customer service has facilit ... ated major expansions over the past decade. We now proudly operate two state-of-the-art facilities on Long Island that have become the standard of excellence in the local paving and aggregate markets. The 2017 acquisition and development of our Holtsville location has allowed us to build new relationships and better service our eastern Suffolk customers, while our Farmingdale location has upgraded and redeveloped into the largest and most advanced contaminated soil washing facility in the world. This investment has created the first ever fixed-base remediation and recycling plant for contaminated soils on Long Island, and helps to curtail the ongoing problem of illegal dumping and contamination of the Island's drinking water. Our expanded capabilities include serving a wider variety of customers the highest quality products, while minimizing landfill waste and raw material mining. read more