 The company was founded as a cooperative organization in the spirit of socialist workers' groups, but it encountered financial difficulties, which led in 1923 to the founding of a company named "Solel Boneh," based on the organization but managed as a business corporation.Solel Boneh had an integral role first in building activities in Mandate Palestine and later in Israel after statehood was achieved in 1948.Among other projects, the company built Tegart's wall in 1938.