Teichert Aggregates is one of the largest producers of aggregate products in the United States. It has operations in several locations throughout Northern California and Central Valley. Teichert Aggregates produces a variety of graded rock and sand products for construction projects. Located in Rancho Cordova, Calif., it is a part of Teichert Materials, which provides a range of building materials, such as ready-mix concrete, asphalt and precast products. Teichert Materials also offers excavation, restoration and reclamation services and is a part of Teichert, which also operates Teichert Construction and Teichert Foundation. Founded in 1887, Teichert is a family-owned and operated business that undertakes construction projects for roads, sidewalks, curbs, gutters, airport runways and utility trenches. Teichert additionally provides earth moving, grading, paving and site preparation services.