Codexis, Inc. develops biocatalysts for the pharmaceutical and fine chemicals markets in the United States and internationally. The company offers Codex biocatalyst panels and kits to pharmaceutical companies that are engaged in drug development and the marketing of approved drugs to allow them to screen and identify possible enzymatic manufacturing processes for their drug candidates and their marketed products. It also provides enzyme screening services and enzyme optimization services; and supplies enzymes, pharmaceutical intermediates, and active pharmaceutical ingredients. In addition, the company develops biocatalysts for use in the fine chemicals market, including food, animal feed, agricultural chemicals, and flavors and fragrances. It sells its products to pharmaceutical manufacturers through its direct sales and business development force in the United States and Europe. Codexis, Inc. was founded in 2002 and is headquartered in Redwood City, California.