Textbook of Industrial Microbiology is a groundbreaking book encompassing the entire spectrum of industrial microbiology, filling a significant void in the field. From tracing its historical roots to exploring primary and secondary metabolites, down to downstream processing and product recovery, this book offers a cohesive narrative previously unavailable in a single resource. The meticulously structured chapters discuss the systematic journey of metabolites, covering the screening of microorganisms, preservation techniques, fermentation media, fermenters, and the significance of industrially vital secondary metabolites. It provides insights for industrialists, elucidating crucial process parameters essential for comprehending and optimizing microbial processes. This textbook serves as a great resource for undergraduate, and postgraduate students, researchers, industrialists, and technologists.