Chile is the largest exporter of copper in the world.
The largest cocoa tree in the world is believed to be in the Dominican Republic. It is known as the “Gigante” and is estimated to be over 100 years old. The tree produces cocoa beans that are used in the local chocolate industry.
As of December 22, 2008: the Ivory Coast (that's the name of the country), so it's very recent data.
The United States has the largest agriculture industry in the world, both in terms of production and exports. The country is a major producer of commodities such as corn, soybeans, wheat, and livestock.
China is the country with the largest reserves of clay in the world. The significant deposits present in various parts of China make it the leading producer and exporter of clay globally.
Ecuador
Australia is the largest exporter of coal ~ see related link below .
Chile is the largest exporter of copper in the world.
Bangladesh
Japan
Russia
Indonesia
I assume you mean exporter. The second largest exporter of coffee is Colombia.
The United States is currently the world's largest phosphate exporter.
Canada
United States
Chile