Mada is involved in major railway project in Saudi Arabia, and plans to use the company's engines.[16] The Electroputere deal was finalized in November 2007.[18] Also in 2007, the Saudi Zamil Group was looking into investment in Romania's steel and pipe projects, and a major housing project of 25,000 units in Romania was being developed by a Saudi-Romanian joint venture.[16] In 2008, Saudi Oger bought the Romanian cellular service provider Telemobil (Zapp).[19][20] A significant number of Romanian workers, particularly engineers, are employed in the oil and construction industries in Saudi Arabia.[21]