This is a Business Directory serving as a Guide to Businesses that Drill Wells, Repair Well Casings, and maintain wells. Well Drillers generally advise to the location on your property. To create a water well a contractor selects a site. Then he uses special equipment to drill down to the underground aquifer where ground water is found. Once a well is drilled it will be cased and electric motors and pumps are used to pull the water to the surface.