As a result, in the years after World War II there was a growth in the numbers of foreign technical, professional and administrative personnel, mainly from other Middle Eastern countries but also supplied by Western oil companies, many of whom worked for ARAMCO (Arabian-American Oil Company).
Akibatnya, pada tahun-tahun setelah Perang Dunia II terjadi pertumbuhan jumlah personel teknis, profesional dan administrasi asing, terutama dari negara-negara Timur Tengah lainnya, namun juga dipasok oleh perusahaan minyak Barat, banyak di antaranya bekerja untuk ARAMCO (Arabian-American Oil Company).