General Info

David Shaposhnick, also known as DSI, is a family-owned contracting company that specializes in industrial, institutional and commercial plumbing, mechanical and site work services. Founded in 1929, it has undertaken wastewater treatment, fuel oil and refinery piping and environmental management projects. The company serves clients in New Jersey, Connecticut, Arizona, California and Washington. In addition, David Shaposhnick offers installation services for products. It is a member of the Western Regional Master Builders Association. The company s clients include Barnhart, Blake Construction Company, Hensel Phelps Construction Company and Harper Construction Company. David Shaposhnick s projects include Rolling Hills School, Mission Bay High School, Oceanside Fire Station and Balboa Theatre.