Shamrock Labels has been a leading innovator in labels and forms for healthcare, laboratory, pharmacy, and research for over ... 45 years. We offer three locations to best serve the needs of customers nationwide. Shamrock Label’s headquarters in Bellwood, Illinois, is home to our corporate offices, telephone-based Customer Service team and complete label production facilities that ship worldwide. Shamrock Labels in Orange, California, provides localized telephone Customer Service and production facilities to speed service and delivery to west coast states. read more