Alfresa Holdings Corp. engages in the management of its subsidiaries that deal with wholesaling, manufacturing, import, and export of pharmaceutical products, diagnostic reagents, and medical devices. It operates through the following segments: Ethical Pharmaceuticals Wholesaling, Self-Medication Products Wholesaling, Manufacturing, and Medical-related. The Ethical Pharmaceuticals Wholesaling segment provides wholesale prescription drugs, medical diagnostic reagents, medical devices, equipment, and materials to hospitals, clinics, dispensing pharmacies, and other institutions. The Self-Medication Products Wholesaling segment sells over-the-counter drugs, health food, and supplements. The Manufacturing segment manufactures and markets pharmaceutical ingredients, pharmaceuticals, diagnostic reagents, and medical devices. The Medical-related segment offers medical services through its dispensing pharmacies. The company was founded on September 29, 2003 and is headquartered in Tokyo, Japan.