US frozen food maker Schwan’s Company has agreed to acquire pizza maker MaMa Rosa’s for an undisclosed amount. MaMa Rosa’s produces and sells refrigerated pizzas under the MaMa Rosa’s and Fight’n Tomato Pizza Co. brands, and operates a 160,000 sq ft facility in Sidney, OH “We are extremely excited to have MaMa Rosa’s join the Schwan’s family of businesses based on their reputation in our industry for delivering great quality …