Kikkoman Corporation is a Japanese food manufacturer. Its main products and services include soy sauce, food seasoning and flavoring, mirin, shōchū, and sake, juice and other beverages, pharmaceuticals, and restaurant management services. Kikkoman has production plants and offices in Japan, the U.S., the Netherlands, Singapore, China, Taiwan, and Canada. Kikkoman is the most popular brand of soy sauce in Japan and the United States. The city of Düsseldorf, Germany, is the European headquarters of the company. A plant in Sappemeer began operations in 1997 and now produces over 400 million litres of soy sauce per year. Wikipedia