The principal industries are cotton textiles and metal working. It is a major stop on the Trans-Caspian railway. A large percentage of the employment in Ashgabat is provided by the state institutions; such as the ministries, undersecretariats, and other administrative bodies of the Turkmenistan government. There are also many foreign citizens working as diplomats or clerks in the embassies of their respective countries. Ashgabat lends its name to the Ashgabat agreement, signed by India, Oman, Iran, Turkmenistan, Uzbekistan and Kazakhstan, for creating an international transport and transit corridor facilitating transportation of goods between Central Asia and the Persian Gulf.