A major biotech company located in an industrial zone on the West Coast of the United States known as BioTech Bay. ATGC worked on a joint project with the Pentagon to develop gene therapy for Next Generation Special Forces. Naomi Hunter joined ATGC as an expert on gene therapy, and was responsible for injecting FOXDIE into Solid Snake during the Shadow Moses Incident. ATGC is an abbreviation of the nucleobases adenine, thymine, guanine, and cytosine.