AmerisourceBergen Corporation is a pharmaceutical distribution company headquartered in Chesterbrook, Pennsylvania. It was founded in 2001 through the merger of AmeriSource Health Corporation and Bergen Brunswig Corporation. The company distributes a wide range of pharmaceutical products, including brand-name and generic drugs, specialty drugs, and over-the-counter medications. AmerisourceBergen serves healthcare providers, including hospitals, pharmacies, and physician practices, as well as pharmaceutical manufacturers. The company is committed to sustainability and has implemented several initiatives to reduce its environmental impact.