Allen Care keeps close relationships with 200 domestic and overseas pharmaceuticals companies and stably performs integrated purchasing and distribution services of more than 5,000 drugs which cost as much as 561 billion won a year (as of 2022) for Yonsei University Hospital group (Severance Hospital, Yonsei Cancer Clinic, Gangnam Severance Hospital, Yongin Severance Hospital, and Wonju Severance Christian Hospital), Asan Medical Center and Chung-Ang University Hospital.

In addition, Allen Care provides in-hospital distribution service of medical supplies to Severance Hospital, allowing for cost reduction and better business efficiency.