There are more than 300 businesses operating in the industrial city with more than 13,189 expatriates working in these projects. The market has high growth predictions for the next five years. Moreover, the medical examination for expatriates is a mandatory requirement for all expatriates applying for a work permit in the Sultanate of Oman in accordance with local legislation. The aim of this legislation is to ensure the health security of the Sultanate of Oman with regard to communicable diseases.