The H&K Group is a full-service site contracting company. It provides crushed stone, sand and gravel, asphalt, ready-mix, and precast concrete, general fill and recycled construction materials, as well as a selection of building materials. The Company also offers heavy civil construction services, comprising site and land development, transportation and structures, design-build and value engineering, demolition, water and wastewater, environmental, materials recycling and other services.