Recently, PT JAS, an airport service company, did ISAGO's recertification process (IATA Safety Auditor for Ground Operation) for Cengkareng (CGK), Surabaya (SUB) and Denpasar (DPS) stations that will be valid until 2018. According to Heri Setiawan, Safety & Quality Assurance (SQA) Manager that led the re-certification process, Kuala Namu (KNO) and Halim Perdanakusuma (HLP) stations will be in the next list for ISAGO. Meanwhile, Subiyono, Deputy of Operational Director (DOD) added, "JAS will always do the right things with the right way to get the correct result. This is a repetition experience we have experienced from time to time; a good work place will gain trusts from customers. There's no instant way that we have done until today." The national ground handling' company has succeeded to obtain ISAGO certificate since 2010. For information, there are only 38 ground handling companies in Asia Pacific region that received ISAGO certificate from IATA.