Bacteria are used in industry in a number of ways that generally exploit their natural metabolic capabilities. They are used in the manufacture of foods, production of antibiotics, probiotics, drugs, vaccines, starter cultures, insecticides, enzymes, fuels, and solvents. This article reflects on how bacteria/microbes can be successfully used on a commercial scale.
Reference:
https://www.sciencefocus.com/science/bacteria-the-miracle-microbes-that-could-fix-planet/