Amphastar Pharmaceuticals, Inc. Employee Directory
Pharmaceutical ManufacturingCalifornia, United States201-500 Employees
Amphastar Pharmaceuticals develops, manufactures, and markets biopharmaceutical products delivered via injectable, intranasal, and inhalation routes, produced in modern, cGMP-compliant facilities. Based in Rancho Cucamonga, California, the company operates five manufacturing sites across the United States, China, and Europe, and maintains a New Drug Research Center. All finished products are manufactured in the United States. Within the pharmaceutical manufacturing industry, it focuses on delivering finished biopharmaceutical products to the healthcare system through multiple delivery modalities. In March 2025, Amphastar announced it would present at the Barclays 27th Annual Global Healthcare Conference, signaling continued engagement with industry stakeholders.