Primetals Technologies Limited, is an engineering and plant construction company headquartered in London, United Kingdom, with numerous locations worldwide.

Their portfolio covers all aspects of the iron and steel production process and includes several nonferrous metals technologies, as well as comprehensive metallurgical services.

In May 2000, Mitsubishi Heavy Industries and Hitachi announced the establishment of a broad-based partnership in metals rolling mills.

[14] At the end of WWII, Austria was occupied by the allied forces, and due to the air raids during the war, all industrial assets were severely damaged.

[15] In July 1945, the "Alpine Montan AG Hermann Göring" plant was renamed to "Vereinigte Österreichische Eisen- und Stahlwerke" (VÖEST[16][17]) (United Austrian Iron and Steel Plants) and separated from the Alpine Mountain AG.

[17] The plant was returned to the newly founded Republic of Austria in July 1946 as part of what would become the ÖIAG (Austrian Industries AG).

[22][23] With the invention of the LD-process and experiences gained from the complete reconstruction after the war, VÖEST, partnered with the Fried.

Krupp company in Essen, Germany, began the construction of the first LD steelmaking plant outside Austria in Rourkela, India, in 1958.

[25] In 1973, the two nationalized iron and steel industries VÖEST and Österreichisch-Alpine Montangesellschaft (Alpine) merged and became Vöest-Alpine AG.

In 1977, the group was divided into four divisions: steelworks, processing, finished goods, and industrial plant engineering.

[25] In the late 1970s, VOEST-ALPINE AG, as VAI, began developing the "COREX process" with Korf Engineering GmbH, originally known as the "KR method.

[25] Finally, in 1988, the Austrian government decided to partially privatize the ÖIAG, forming Voest-Alpine Stahl AG (VA Stahl), while placing Voest-Alpine Industrieanlagenbau (VAI, also VAI-BAU) under Maschinen- und Anlagenbauholding AG.

metals equipment group, including operations in France, Spain, Italy, Germany, China, India and Great Britain.

[35] In 1999, Voest-Alpine Industries, part of VA Tech North America, moved all its Pittsburgh operations to Southpointe in Washington County.

VAI reduced its six business areas to four: Iron & Steelmaking (the largest); Rolling & Processing; Automation, and Metallurgical Services.

[50] VAST provided mill maintenance services to steel and aluminum manufacturers from eleven locations: Baltimore, Maryland; North East, Maryland; New London, Ohio; Milan, Ohio; Benton Harbor, Michigan; Bethel Park, Pennsylvania; Blytheville, Arkansas; Charleston, South Carolina; Decatur, Alabama; and Erie, Pennsylvania, in the United States and Sault Ste.