Protestantism in Brunei
Christians in Brunei are not allowed to proselytize.  Schools are not allowed to teach Christianity.  If religious organizations fail to register, its members can be aprisoned.  Teaching of non-Muslim religions in schools is prohibited.  Marriages between Protestants and Muslims are prohibited.  People, who change their religion from Islam to another, are subject to societal and official pressure.
List of Denominations
Source of the list: The World Christian Encyclopedia, Second edition, Volume 1, p. 153