noun
A government-established or government-affiliated corporation providing public services, such as housing, transportation, or broadcasting. Often used in proper names like 日本放送協会 (NHK) or 住宅供給公社.
この団地は都の住宅供給公社が管理している。
This housing complex is managed by the metropolitan housing supply corporation.
公社は公共の利益のために事業を
Public corporations conduct business for the public good.
Compound of 公 (public) and 社 (company, corporation). The term became common in the 20th century for government-established corporations.