sogo shosha are large, general trading companies in Japan that engage in a wide range of businesses, including import and export, manufacturing, and investment. They play a crucial role in the Japanese economy by facilitating trade and providing various services to both domestic and international clients. These companies often operate globally, establishing networks and partnerships to source products and materials. Mitsubishi Corporation, Sumitomo Corporation, and Marubeni Corporation are some of the most prominent sogo shosha, known for their diverse portfolios and significant influence in various industries.