Complex sentence: Schreiber primarily produces private-label process and natural cheeses for restaurants and grocery stores, but is also the nation's second-largest producer of cream cheese and has recently expanded into yogurt production as well.
Split into simpler sentences: Schreiber primarily produces private-label process and natural cheeses for restaurants and grocery stores. Schreiber is the United State's second-largest producer of cream cheese and has recently expanded into yogurt production as well.