EDECO (English Drilling Equipment Company) was founded in 1931, manufacturing oilfield and water well drilling equipment The activities of Simmons Edeco include oil and gas drilling, workover and well servicing, industrial drilling, pipeline and underground storage together with comprehensive services relating to pressure systems, power systems, oilfield services and subsea & industrial controls In January 2012 the Simmons Group organisations throughout the world were renamed Simmons Edeco to better reflect the Group's worldwide operations, enable better worldwide recognition, and cement relationships between the companies within the Group In 1964 Edeco Petroleum Services Limited was one of the first specialist companies established to support offshore operations in the North Sea and the Pressure Systems Division is now a leading independent provider of wellhead equipment services Simmons Edeco's European activities are managed and supported from Company premises at Castle Donington in Derbyshire and Great Yarmouth in Norfolk