Monsanto Company is a publicly traded American multinational agrochemical and agricultural biotechnology corporation. It is headquartered in Creve Coeur, Greater St. Louis, Missouri. Monsanto is a leading producer of genetically engineered (GE) seed and Roundup, a glyphosate-based herbicide. It develops products and tools to help farmers around the world grow crops while using energy, water, and land more efficiently. It researches, develops, tests, and collaborates with others to bring the best in agricultural innovation and products, guided by the principles of good science and continuous improvement.