Greer Laboratories is a leading developer and provider of allergy immunotherapy products, source materials and services for treating humans and animals. Greer s scientists provide technical support for customers by continuing to focus on improving the lives of allergic patients. Its four business units are human, veterinary, source materials and contract development. Greer has provided products to test and treat allergies for many years that include allergenic extracts; diluents and empty vials; single and multiple skin testing devices; and safety syringes. The company offers its products and services to more than 5,700 physicians nationwide.Greer Laboratories was founded in 1904 and is located in Lenoir, N.C.