GSY produces the latest Concession Maps with Satellite Image based on the information from Ministry of Oil and Mineral
Maps – producing a detailed updated street map of the city using GPS techniques, including locations of major features such as oil companies, organisations, schools and banks. GSY produces the Sana'a, Aden, Masila, and Taiz Maps and updated Concession Maps. GSY also produces customized drafting work for Sana'a Street maps for various oil companies, embassies, and international organization for their security purposes.
