Muslim Missionary Society of Singapore. Singaporean Islamic association founded in 1931 by Moulana Abdul Aleem Siddiqui al-Qaderi, a missionary from India, together with religious leaders in Singapore and Malaya. Until 1965 it was known as the All-Malaya Muslim Missionary Society. Its activities focus on propagating Islam through religious classes, public lectures, and publications. The group currently has a membership of more than twenty-four thousand.