Nissan and Huntsmen are among the firms on their way into Lynemouth to try create job opportunities for laid-off Alcan workers.
The companies are gathering to hold an internal jobs fair at the smelter.
Rio Tinto confirmed it is closing the smelter and would make more than 500 people redundant.
More top news
A major fire which spread through a wing of a hotel in North Yorkshire could have been started by flies.
An explorer at Hadrian’s Wall in Northumberland has discovered a rare fungus which has baffled experts for years.
A Gateshead couple were shocked this morning as they opened their door to Good Morning Britain's Sean Fletcher live on national television.