Founded in 2007, J & K Contracting is a full-service underground utility contractor. While we specialize in deep sanitary sew ... er, storm sewer, & water installation across Iowa, we also provide grading, excavating, and hauling services. From start to finish, we’re equipped to handle demolition and/or installation of water utilities, including sanitary and septic structures, storm drainage systems, and grease interceptors. When emergencies like water main breaks and sewage line collapses happen, we’re ready to jump in and help. read more