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 Development Corporation left a legacy of limited and "often inappropriate and threadbare development". The areas it regenerated are clearly marked by distinctive TDC statues. Teesside Development Corporation The Teesside Development Corporation was a government-backed development corporation that was established in 1987 to fund and manage regeneration projects in the former-county of Cleveland in North East England. The Teesside Development Corporation developed several schemes, many on former industrial land on both sides of the River Tees and around Hartlepool ranging from housing, commercial, light industrial and leisure projects. Its flagship developments included the Tees Barrage, Hartlepool Marina, Teesside Park and Teesdale Business Park.