AmerisourceBergen (ABC) is an American Fortune 500 company which provides pharmaceutical sourcing and distribution services. It formed in 2001 as a result of a merger between AmeriSource Health Corporation and Bergen Brunswig Corporation. AmerisourceBergen serves healthcare providers. Headquartered in Valley Forge, Pennsylvania, USA, AmerisourceBergen employs approximately 19,000 staff members. The company is included in the S&P 500 index and is listed on the New York Stock Exchange (NYSE). Get updated info on the AmerisourceBergen share price (ABC).