Up to 186 jobs are under threat after KP Snacks said it had plans to close two of its factories in a move to streamline its business.
The crisp company said it was considering closing factories in Consett in County Durham and Corby in Northamptonshire.
The firm is also considering expanding operations at its site in Billingham, Teesside, and Stanley, near Consett.
A final decision will be made after a 45-day consultation. Any closures are likely to be in the first half of 2015.
The factory in Consett, the original home of Phileas Fogg crisps, has 103 workers, while the Corby plant has 83.
It is not yet known how many jobs could be saved or created by expanding operations at Billingham and Stanley.
The firm's chief executive, Nick Bunker, said it was proposing the closures "in order to develop a sustainable and competitive manufacturing operation".
"We operate in an increasingly competitive market and need to focus on our cost base in order to develop a sustainable business," he said.
"We very much appreciate the hard work, commitment and focus on quality of our Corby and Consett colleagues during this difficult time."
KP Snacks factories in Consett and Corby could close
![KP Snacks factories in Consett and Corby could close KP Snacks factories in Consett and Corby could close](https://media.potatopro.com/kp-snacks-consett-1200.jpg?width=1200&height=743&crop=smart&mode=crop)
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