public corporation; government agency; foundation
Refers to a public or semi-public organization established to carry out specific projects, often under government oversight. Common in names like 日本貿易振興事業団 (JETRO).
That public corporation is in charge of promoting local industry.
He works for the international exchange foundation.
財団 is a foundation usually funded by an endowment, whereas 事業団 focuses on carrying out specific operational projects.
Compound of 事業 (project, enterprise) and 団 (group, organization). The term became common in the post-war period for government-affiliated project corporations.