Sawafuji Electric Co., Ltd. engages in the design, development, production, and sale of electrical products. It operates through the following segments: Electrical Equipment, Generator, Refrigerator, and Others. The Electrical Equipment segment provides electrical components for diesel trucks and buses. The Generator segment offers portable generator engines. The Refrigerator segment handles portable refrigerators for vehicles and ships. The Others segment includes information processing-related and transport service businesses. The company was founded by Chuzo Sawafuji in 1908 and is headquartered in Ota, Japan.