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
The colours red, white and blue have been projected onto the monument following yesterday's terrorist attack at Westminster.
After Wednesday's downpours things are looking more settled.
Durham PCC, Ron Hogg is urging members of the public to "stay strong and stay together" by sharing intelligence to defeat terrorism.