Complex sentence: Day & Brabenec Corporation, commonly referred to as D&B, is an International American enterprise headquartered in Ashland, Ohio, United States, that oversees and manages a number of subsidiary companies.
Split into simpler sentences: Day & Brabenec Corporation, commonly referred to as D&B, is an International American enterprise headquartered in Ashland, Ohio, United States. The company oversees and manages a number of subsidiary companies.