Severn Trent Plc is a United Kingdom-based company, which treats and provides water and removes waste water in the United Kingdom and internationally. The Company operates through two segments: Severn Trent Water and Severn Trent Services. Severn Trent Water provides high quality water and sewerage services to over 3.3 million households and businesses in the Midlands and mid-Wales. Severn Trent Services includes non-regulated businesses operating in the United Kingdom, Americas and Europe. United Kingdom Operating Services provides contract services to municipal and industrial clients and the UK Ministry of Defense (MOD) for design, build and operation of water and waste water treatment facilities and networks. Retail services are also provided to the United Kingdom businesses. United States Operating Services provides contract services to community, municipal and industrial clients for the operation and maintenance of water and waste water treatment facilities and networks.