Pump Sales, Service & Testing is a services provided by Subsurface Technologies, which was founded in 1987. Subsurface Technologies is staffed by trained field personnel and world class scientists who serve clients in the residential, municipal, industrial and environmental sectors. It provides preventive well maintenance and color video inspection services. The company s FerroPure is an iron and manganese treatment solution for groundwater. Its The Aqua Freed process uses gaseous and liquid carbon dioxide to rehabilitate water wells. The company also offers consulting and well rehabilitation and development services. It additionally provides landfill gas recovery and water treatment services. With the help of its company-owned operating divisions and authorized product providers, the company serves more than 5000 wells.