DeNA Co Ltd is a social media service provider in Japan. It generates majority of the portion of its revenue by providing social media and Internet marketing related services through its Social Media segment. The E-commerce segment offers E-Commerce related services, including the operation of auction shopping and cellular phone websites under the names DeNA shopping and Mobaoku respectively. The Others segment is engaged in travel agency and insurance agency services, and professional baseball related business. The Company has its primary market in North America.