Mueller Co. offers a complete selection of drilling and tapping machines, and small and large drilling machines, for installing water services and extending pressurized mains on virtually every type and size of pipe without interrupting flow. The designed-in compatibility of each part of the Mueller Co. selection helps everything go together easily for strong, leak-tight installations. Air, electric and hydraulic powered operators are also available, as well as accessories such as cutting grease, shell cutters, pilot drills, center hubs, and adapters.