George Wilson Industries has been manufacturing diaphragm gas meters and gas regulating equipment in the UK for over one hundred years. In this time, GWi has adapted and developed products to meet the ever changing requirements, demands and regulatory specifications of the gas industry. For many years GWi has supplied electronic token meters for prepayment and through natural progression, has developed an electronic smart meter using tried and trusted diaphragm technology. GWi has incorporated its expertise in internal shut off valves to allow for a prepayment function along with communication technology, to meet the future requirements of the smart gas market.