The Specialty Group's Services
We offer a complete portfolio of modular business solutions through our family of well-known brands. You know us anywhere. Patient advocacy through the Lash Group.  And distribution through ASD, Besse Medical Supply and Oncology Supply .

Industry Leaders In Complex Markets
We're America's largest pharmaceutical services provider. We hold our market's number one position in oncology. And in biopharmaceuticals. And vaccines. Maybe you know us through our reimbursement expertise or through our specialty physician networks. We are the primary vendor for the Veterans' Administration and the Department of Defense.

A Powerful Parent Company
Take every advantage of The Specialty Group's well-established relationships in the marketplace. As a division of AmerisourceBergen Corporation, we're known and highly respected in major health systems, retail pharmacies, alternate care and direct-to-patient channels nationwide.