Histadrut, or the General Organization of Workers in Israel, originally, is Israel's national trade union center and represents the majority of Israel's trade unionists.

Ahdut HaAvoda was the name used by a series of political parties. Ahdut HaAvoda in its first incarnation was led by David Ben-Gurion. It was first established during the period of British Mandate and later became part of the Israeli political establishment. It was one of the forerunners of the modern-day Israeli Labor Party.