Pasokmomogun Kadazandusun Murut Organisation (UPKMO) Sarawak Progressive Democratic Party (SPDP) Sarawak People's Party (SPP)   2.    Composition: The Barisan Nasional defines itself as "a confederation of political parties". As of December 2008 , there are 13 component parties within the Barisan Nasional, with the United Malays National Organisation (UMNO) as