AmerisourceBergen Corporation is a pharmaceutical sourcing and distribution services company. The Company's segments include Pharmaceutical Distribution and Other. The Company provides services to healthcare providers, and pharmaceutical and biotech manufacturers. As of June 30, 2016, the Pharmaceutical Distribution segment consists of two operating segments, including the operations of AmerisourceBergen Drug Corporation (ABDC) and AmerisourceBergen Specialty Group (ABSG), which distributes specialty drugs to their customers. Servicing 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. and the MWI Veterinary Supply, Inc. ABSG operates distribution facilities that focus primarily on complex disease treatment regimens.