The economy of Montenegro is partially based on its agriculture. The agricultural products are tobacco, olives, potatoes, grains, citrus fruits, grapes and so on. The industries that are growing very fast in the country are steel making industry, aluminum industry; coal mining industry, agricultural processing industry, tourism industry, textiles industry etc. A major portion of the country's revenue depends on the export trade. The foreign nations that take part in this business with Montenegro are Switzerland, Bosnia, Italy, and Herzegovina.