Stellar Biotechnologies, Inc. is a biotechnology company. The Company is engaged in the aquaculture, research and development, manufacture and commercialization of Keyhole Limpet Hemocyanin (KLH). KLH is an immune-stimulating protein. KLH can be used as an active pharmaceutical ingredient (API) and combined with a disease-targeting agent to create immunotherapies for the treatment of a range of diseases. The Company's core business is developing and commercializing Keyhole Limpet Hemocyanin for use in immunotherapy and immunodiagnostic applications. The Company's Stellar KLH product offerings include Stellar KLH protein for conjugation and as carrier molecule in immunotherapy development; Stellar KLH protein and enzyme-linked immunosorbent assay (ELISA) test kits for immune function testing, and Custom KLH formulations, adjuvants, conjugations and fill finishes for preclinical research and drug development applications.