NORTH STONE

North Stone Quarry, operated by New Frontier Materials Operations Alpha, LLC, supplies high-quality crushed and broken limestone NEC for a variety of construction and infrastructure applications. Located in Maryland Heights, St. Louis County, MO, south of I-70 and easily accessible via Earth City Expressway and Creve Coeur Mill Rd, this surface mine benefits from excellent proximity to major transportation routes and regional markets, ensuring efficient delivery. With 50 employees, North Stone operates under the established RWNIH-OP Holdings LLC, PEPI Capital, L.P., and 42 North Resources Partners I, demonstrating a commitment to reliable and professional resource extraction.