KENKO Mayonnaise Co., Ltd. engages in the manufacture and distribution of mayonnaise, dressings, and sauces. It operates through the following segments: Seasoning and Processed Food, Delicatessen-related, and Other. The Seasoning and Processed Food segment provides prepared foods, mayonnaise, dressings, and processed egg products. The Delicatessen-related segment offers fresh side dishes. The Other segment includes shops and overseas businesses. The company was founded in March 1958 and is headquartered in Tokyo, Japan.