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 On site there is a canteen, an active sports and social club and People SPIRIT team who organise a variety of activities. When owned by ConocoPhillips they continually funded technical apprenticeship schemes in the area, and were directly involved in local primary and secondary school education. Initiatives ranged from donating computers and funding school exchange programmes, to providing engineers for maths and science days. The Teesside terminal is accredited (certified) to ISO 14001, the international environmental management system standard, which it has held continuously since October 1998. The site is on the fringe of the estuary mudflats of Seal Sands,