Bicol Isarog Transport System Inc. is a bus company that was established in March of 2011 by its President and General manager Mr. Geraldo D. Abano and Executive Vice-President & Treasurer Jose Marco H. del Pilar. The idea of setting up BITSI started when Mr. Abano and Mr. del Pilar acquired Isarog Line on March 24, 2011 from the Cu family of Naga City which was represented by Steve Cu. After this, BITSI was formally incorporated in the SEC on April 19, 2011.