Diethylene Glycol (DEG) Manufacturers North America and Northeast Asia are the biggest manufacturers and consumers of Diethylene Glycol (DEG) in the world. The United States of... moreDiethylene Glycol (DEG) Manufacturers North America and Northeast Asia are the biggest manufacturers and consumers of Diethylene Glycol (DEG) in the world. The United States of America and China are the two biggest Diethylene Glycol (DEG) manufacturers and consumers as these two countries are the two countries with the highest GDP in the world. Visit here: Diethylene Glycol Manufacturers