Solel Boneh is the oldest, and one of the largest, construction and civil engineering companies in Israel. The leading company in construction of integral infrastructure such as roads, hydroelectric projects and telecommunications. Solel Boneh was founded in 1921 during the first conference of the General Histadrut, under the name of Batz lit. ConstIts first project was to pave a road from Tiberias to Tzemah, which is now part of Highway 90.