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 University merger with Teesside College of Education took place in the 1970s along with the purchase of Flatts Lane. The Clarendon Building was added in 1973, as was the Stephenson Building in 1976. Both of these buildings remained in use for the Polytechnic's long-awaited conversion into a university. That happened on 16 June 1992, when Teesside Polytechnic became the University of Teesside, one of the UK's first new universities following that year's Further and Higher Education Act. By the 1990s, the institution had almost 8,000 students. In 1997 the old Polytechnic's library was replaced with a Learning Resource Centre. Subsequent additions