The company, which specialises in cooked value-added poultry products, was acquired by 2 Sisters in June last year, as part of a move to strengthen the group's prepared food operations.
2 Sisters chief executive officer Ranjit Singh said: "Last year's acquisition complemented our current portfolio of food businesses and strengthened our prepared foods division. Our vision is to continue to grow by producing products that are in line with market demands through a combination of regional acquisitions, strong organic growth and international expansion."
"The repositioning of Challenger Foods within the 2 Sisters Food Group will allow us to continue to deliver best-quality products for the lowest possible cost. Tony and the 2 Sisters Sunderland team have some great ideas on a wide range of new and exciting component meat products in the pipeline and, together, we look forward to growing this part of our business."
2 Sisters Sunderland site director Tony Gilroy said: "I cannot think of a better time for us to fully integrate our systems and procedures under one roof. Apart from our name change and some administrative realignment, it's very much business as usual."