Teesside mainly associated with the local petrochemical, chemical and steel processing industries. The port is an important piece of logistical infrastructure for the NEPIC cluster of process companies. Teesside continues to be used locally to refer the entire urban area and the name can still be seen in the following uses: It has also been adopted for various other purposes as a synonym for the former county of Cleveland. It is common to see Teesside spelled incorrectly as "Teeside", with a single 's'. Teesside Teesside () is the conurbation in the north east of England around the urban centre of Middlesbrough
Teesside Refinery Teesside Refinery The Teesside Refinery was an oil refinery and chemical plant situated just south of Seaton Carew on the River Tees in County Durham. In 2000, it was bought by Petroplus from ICI and Phillips Petroleum Company. Refining was suspended in 2009, although the site continues to operate as a terminal and storage facility. In the period 1965-1968, three oil refineries were developed close to Teesport on the River Tees, thanks to the Phillips Petroleum's development of the Ekofisk oil field in the North Sea. The first two were jointly developed and operated by Phillips and ICI on the