Shearer’s Foods, a snack maker backed by Ontario Teachers’ Pension Plan, is exploring a sale that could fetch about $3 billion including debt, according to Bloomberg reporting.

The company is working with a financial adviser on the potential transaction, the people said, asking not to be identified discussing private information. The company generates more than $250 million a year in earnings before interest, tax, depreciation and amortization, according to people with knowledge of the matter.