Since 1970, Skillings & Sons Inc., based in southern New Hampshire, has been designing, installing and maintaining water systems. It serves commercial and residential customers across Massachusetts, New Hampshire and southern Maine. Skillings & Sons Inc. offers services, such as well drilling, geothermal wells, well pumps, water treatment, water testing and hydrofracking. It is a member of the U.S. Department of Energy, The International Ground Source Heat Pump Association (IGSHPA), Energy Star, Geothermal Heat Pump Consortium Inc. and The New Hampshire Sustainable Energy Association.