非牟利機構英文點講？

It is called "nonprofit organization" (abbreviated "NPO", or "non-profit" or "not-for-profit")

It is an organization whose primary objective is to support an issue or matter of private interest or public concern for non-commercial purposes. Nonprofits may be involved in an innumerable range of areas relating to the arts, charities, education, politics, religion, research, sports or some other endeavor

Non-profitmaking organisation

non-profit-making organization 非牟利機構
這是美式英語的 organization，英式英語是 organisation。

mostly are called NGO --- non-governmental organzation

NGO = Non-government Organisation

好多時都係統稱NGO, 通常都係Non-profit (非媒利) 機構的.
NGO，或稱非營利組織、非政府組織，或稱第三部門