KJ's Sand Gravel Topsoil & Concrete of Wapato, Washington continues to serve Yakima Valley. Choose to be served in either English or Spanish. Since 1997, we have worked as an aggregate supplier with Ken's Construction, Inc. If your business or new construction projects need excavation or hauling services or materials, such as sand, gravel or topsoil, we are the company that can meet that need. As heavy construction contractors specializing in excavation, grading, road work and demolition, completing work in a timely manner and efficiently is of utmost importance to our clients. Residential, commercial and industrial clients have come to depend on us as the go-to company in our area.