Jay Dee Contractors, Inc. is a leader in Heavy Underground Construction. We have been pushing the boundaries of innovation since 1965. There is no challenge too great for our team to overcome. Our team of skilled employees, paired with an extensive inventory of equipment has allowed us to build a project portfolio that varies in size, scope and level of complexity. To date, the Jay Dee team has completed over 100 miles of safe and effective underground spaces and tunnels in a variety of soil conditions, including soft ground and hard rock.