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.
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Kerrie Gosney brings you Sunday night's forecast
Cold with wintry showers overnight and on Monday.
Cold air from Canada will turn showers wintry overnight into Monday morning. Snow could settle over higher routes. Icy patches possible