Interested in working at Amphastar? We're looking for manufacturing operators, chemical process operators, manufacturing technicians, and skilled trades at all six (6) of our locations:


Amphastar Pharmaceuticals, Inc.

11570 6th Street

Rancho Cucamonga, California 91730


International Medication Systems, Ltd.

1886 Santa Anita Ave.

South El Monte, California 91733


Armstrong Pharmaceuticals, Inc.

25 John Road

Canton, Massachusetts 02021


Amphastar Nanjing Pharmaceuticals

No.5 Xinghe Road,

Nanjing Economic and Technological Development Zone, Jiangsu,

China, 210038


Amphastar France Pharmaceuticals

Usine Saint-Charles

60590 Eragny-sur-Epte



New Drug Research Center

13760 Magnolia Ave.

Chino, California 91710



Amphastar offers a competitive benefits package that includes medical, dental, life insurance plans, 401(k) retirement savings plans, stock purchase plans, paid holidays, and vacation days. Amphastar is committed to providing an empowering environment so employees can reach their full potential and achieve personal and professional goals.



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