AmerisourceBergen Corporation is a pharmaceutical sourcing and distribution services company. The Company's segments include Pharmaceutical Distribution Services and Other. The Company provides services to healthcare providers, and pharmaceutical and biotech manufacturers. Its Pharmaceutical Distribution Services Segment serves healthcare providers in the pharmaceutical supply channel, the Pharmaceutical Distribution segment's operations provide drug distribution and related services. The Other segment consists of the operations of various segments, including the AmerisourceBergen Consulting Services (ABCS), the World Courier Group, Inc. (World Courier) and the MWI Veterinary Supply, Inc. (MWI).