Teesside Steelworks South Bank coke ovens and the BOS plant at Lackenby closed in 2015. The Teesside Beam Mill and some support services still operate at the Lackenby part of the site. Steel production on Teesside begins when Bolckow, Vaughan & Co Ltd, formerly Bolckow, Vaughan, opens the Cleveland Steelworks in Middlesbrough. Using the Bessemer process, the works have 3 blast furnaces. Albert John Dorman enters into a partnership with Albert de Lande Long taking over the West Marsh Ironworks in Middlesbrough. Dorman Long is founded. Bolckow, Vaughan & Co Ltd. acquire the Southbank Steelworks. The firm is also persuaded by Sydney
Teesside Airport railway station South Junction; it was opened by British Rail on 3 October 1971. There are two platforms, each long enough for a four-coach train. The airport changed its name to Durham Tees Valley Airport in 2004, however, the station's name was not updated. In 2007, the train operating company Northern erected new signs reading "Teesside Airport", replacing previous signs which had used a hyphen in "Tees-side". National Rail now also lists the station as "Teesside Airport". In December 2017 it was announced by Durham Tees Valley Airport (DTVA) that the footbridge and eastbound platform would be closed to save DTVA having