 Beside HDB, a small number of flats were built in 1964–1968 by Economic Development Board (EDB) and its successor Jurong Town Corporation (JTC) from 1968 to the late 1970s, in Jurong and Sembawang industrial areas.From 1974 to 1982, the Housing and Urban Development Company (HUDC) built and marketed sandwich housing for middle-income people who did not qualify for HDB flats but could not afford a private property.HDB took over JTC and HUDC in 1982, becoming the sole provider of public housing in Singapore, continued building HUDC flats up to 1986.