For more than three decades, Jones & DeMille Engineering has been building a reputation as a premier civil engineering firm in the Intermountain Region. We are proud to offer full-service civil engineering capabilities to government agencies, municipalities, and private clients. Our corporate office is located in Richfield, UT, with 9 other offices in the state of Utah and an office in Evanston, WY. With our unmatched expertise, our professionalism, and our commitment to client satisfaction, Jones & DeMille is your trusted full-service civil engineering partner.