This document summarizes and provides examples of the private sector, public sector, and voluntary sector. The private sector is composed of for-profit and non-profit organizations not owned by the government, such as small businesses, trade unions, and large corporations that generate revenue through profits. The public sector includes government-owned organizations like police, social services, and schools that are funded through taxes. The voluntary sector consists of non-profit organizations that benefit society, such as faith groups, charities, and advocacy groups, which generate funding from donations.