AmerisourceBergen Corp. is a pharmaceutical services company. It serves as a healthcare providers and pharmaceutical manufacturers in the pharmaceutical supply channel, it also provides drug distribution and related services designed to reduce costs and improve patient outcomes. The company operates through two segments: Pharmaceutical Distribution and Other. The Pharmaceutical Distribution segment is comprised of AmerisourceBergen Drug Corp. and AmerisourceBergen Specialty Group. The AmerisourceBergen Specialty Group Corp. distributes a comprehensive offering of brand-name and generic pharmaceuticals, over-the-counter healthcare products, home healthcare supplies and equipment, and related services to a wide variety of healthcare providers, including acute care hospitals and health systems, independent and chain retail pharmacies, mail order pharmacies, medical clinics, long-term care and other alternate site pharmacies, and other customers. The AmerisourceBergen Specialty Group provides pharmaceutical distribution and other services primarily to physicians who specialize in a variety of disease states, especially oncology, and to other healthcare providers, including dialysis clinics. The Other segment consists of World Courier Group, Inc. and MWI Veterinary Supply, Inc. The company was founded on August 28, 2001 and is headquartered in Chesterbrook, PA.