BoatSlipWideDock2SlipsWideDockWideSeawallWide The Dock and Seawall Company has been in business since 1985. New Services New Docks New Dock and Boat Lifts A New Seawall Building a New Dock Serving Van Buren, Allegan, Kalamazoo, Barry, Ionia, Calhoun, St. Joe and Cass counties.