OCEAN SYSTEM CORPORATION is mainly engaged in the food retail business. The Company operates in four business segments. The Supermarket segment is engaged in the operation of food supermarkets under the name Challenger and Business Super, as well as the operation support and management of sub-franchised stores. The Packed Lunch Feeding segment is engaged in the production and sale of company-delivery packed lunch under the name of Flesh Lunch 39; the production, retail and wholesale of packed lunch under the name of Koshihikari Bento; the entrusted operation of dining rooms within companies, as well as the development of franchised business under the name of Flesh Lunch 39. The Food Delivery segment is engaged in the home-delivery of foodstuff under the name of Yoshikei. The Hotel and Other Restaurant segment operates hotels under the name of Kaifutei Teradomari Nihonkai, among others.
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