Calysta, Inc. is a biotechnology company focused on developing and manufacturing protein ingredients derived from innovative sources. It provides nutritional feeds and health products for fish and livestock, as well as chemicals for various applications, including fibers, plastics, and building materials. The company also produces biofuels utilizing methane as a sustainable feedstock. Established in 2011 and headquartered in Menlo Park, California, Calysta has expanded its presence with additional locations in Houston, London, Stavanger, and Singapore. It has formed a strategic partnership with Bluestar Adisseo Company to enhance its product offerings. Originally known as Calysta Energy, the company rebranded in May 2014, reflecting its broader focus beyond energy solutions.