Discusses the involvement of microorganisms in industrial processes, specifically in the production of various product materials, including enzymes, food, beverages, fuels, pharmaceutics, organic solvents, cell biomass, and also clean technology that is used for waste treatment and pollution control. Emphasis will be given to the determination of important industrial microorganisms, selection and isolation methods, maintenance, storage, improvement of industrial microorganisms, and the involvement of microorganisms in various industries. Relevant practical classes will also be conducted.