 In Malaysia, auxiliary police refers to sworn security police officers serving in autonomous government agencies and key government-linked companies/entities such as Northport (Malaysia) Bhd (Northport), Petroleum Nasional Berhad (Petronas), the Malaysian Federal Reserve Bank ("Bank Negara"), the National Anti-Drug Agency ("Agensi Anti-Dadah Kebangsaan" - AADK), the Federal Land Development Agency (FELDA) and the Inland Revenue Board ("Lembaga Hasil Dalam Negeri"); and other institutions with semi-governmental interests.Such institutions include the National Savings Bank ("Bank Simpanan Nasional" - BSN), Malayan Railways Limited ("Keretapi Tanah Melayu Berhad" - KTMB), Pos Malaysia Holdings Berhad (the national postal service), Malaysia Airports Holdings Berhad (the largest Malaysian airport operator), the North-South Highway Project ("Projek Lebuhraya Utara Selatan" - PLUS), Tenaga Nasional Berhad (the national power service) and other similar strategic organizations.Most of these organizations have already been privatized, but are allowed to maintain an auxiliary police unit.