CALYX is an API and intermediates manufacturer based in India with four decades of experience in pharmaceutical manufacturing. The company specializes in manufacturing APIs in the therapeutic areas of anti-TB, anti-malaria, and macrolides for the management of acute diseases. CALYX also provides custom research and manufacturing, including process optimization and scale-up from the lab to commercialization for APIs and intermediates. In addition to their FDA-inspected manufacturing facility, the company also maintains four chemistry synthesis labs and three analytical labs across India.