Al-Ismaily worked as the managing director at the Public Establishment for Industrial Estates (PEIE)[2] from 1984 to 1996. The first industrial estate in the Sultanate of Oman was established at Al-Rusayl in the year 1983. As new industrial estates were set up, the Public Establishment for Industrial Estates (PEIE) was formed a decade later to give substantial impetus to industrial development in the country.