The H&K Group is a family of vertically integrated companies serving the contracting and construction industries, with over 80 locations throughout eastern Pennsylvania, New Jersey, Maryland and Delaware. We provide: construction materials – crushed stone, asphalt, concrete and more, full-service site contracting –excavation, utilities, paving, segmental retaining walls and more, demolition, natural stone and manufactured landscape materials, recycling and clean fill facilities, and emergency response. These are just a few of the offerings that give The H&K Group Family of Companies an unparalleled Diversified Strength… …From the Ground Up. Founded in 1968, we have dedicated ourselves to four simple principles; pride, perseverance, honesty and dedication. These principles, along with our uniquely qualified people, add value to our clients and convert problems into opportunities.