Dosch King Emulsions has been providing asphalt foundations, repairs and seal coating throughout New Jersey, Pennsylvania, Connecticut and beyond since 1926. Established in Whippany by New Jersey's first asphalt salesman, James King, Dosch King Emulsions has continued to take on new forms and incredible growth through the years. We have proudly adapted to the growing demands of our clients by seamlessly embracing new technology and products, and will continue to. You can rely on us to handle the hardest roadways, the most modern commercial projects and the finest driveway designs.