Dyadic International, Inc., a biotechnology platform company, develops, produces, and sells industrial enzymes and other proteins in the United States and internationally. It utilizes the C1 platform in pharmaceutical applications, including the development and production of pharmaceutical products. The company offers Dapibus, a protein production platform that enable the rapid development and large-scale manufacture of cost-effective enzymes, proteins, metabolites, and other biologic products for life sciences, food and nutrition, and bioindustrial applications. In addition, it develops DYAI-100, a C1-SARS-CoV-2 recombinant protein RBD vaccine candidate and first C1, which is in phase 1 clinical trial to produce protein tested in humans.