Since 1991, before the company change its name into PT Duta Waskita Baja and then into PT Cahaya Anugrah Tama, it already handled several projects from clients such as PT Caltex Pacific Indonesia, Krakatau Steel, PT Chandra Asri, PT Cabot, Asahi Mas Chemical, and other companies (see Project List).
Along with the experience of working on some projects handled by CATa groups, other big companies are growing to entrust some units of their projects to CATa. These companies including PT Siemens Indonesia, Unocal Geothermal Indonesia (now Chevron), and CNOOC.  Now CATa begins to be acknowledged in oil and gas business with a number of experience and the company’s commitment to give the best for  the clients.