WDeNA Co.,Ltd. is a Japanese provider of mobile portal and e-commerce websites headquartered in Shibuya, Tokyo. It owns the Mobage platform, which is one of the most popular cell phone platforms in Japan. It also operates many other services, including a popular e-commerce website DeNA Shopping.
WGREE, Inc. is a Japanese Internet media company with headquarters in the Roppongi Hills Mori Tower in Roppongi, Tokyo. It has been operating the social network service GREE since its establishment in December 2004.
WHatena Co., Ltd. is an internet services company in Japan. It operates various services including the most popular social bookmarking service in Japan, Hatena Bookmark. Hatena is the collective name of the company's services. On July 19, 2001, it was founded by Junya Kondo in Kyoto. The company moved its headquarters to Shibuya, Tokyo on April 10, 2004. The headquarters were moved back to Kyoto in April, 2008.
WMercari, Inc. is a Japanese e-commerce company founded in 2013, with offices in the United States. Their main product, the Mercari marketplace app, was first launched in Japan in July 2013, and has since grown to become Japan's largest community-powered marketplace with over JPY 10 billion in transactions carried out on the platform each month. Among those Japanese users utilizing one of the country's many community marketplace apps, 94% were found to be using Mercari.
WNHN Japan Corporation is the Japanese subsidiary of NHN Entertainment Corporation. Not to be confused with the previous NHN Japan Corporation which was later renamed Line Corporation.
WRakuten Group, Inc. is a Japanese electronic commerce and online retailing company based in Tokyo, founded by Hiroshi Mikitani in 1997. Centered around Rakuten Ichiba, its business-to-many ecommerce platform and one of the largest e-commerce sites in the world, its businesses include financial services utilizing financial technology, as well as digital content and communications services such as messaging app Viber, e-book distributor Kobo, and Japan's fourth mobile carrier Rakuten Mobile. Rakuten has 14,826 employees worldwide, operating in 29 countries and regions, and its revenues totaled US$7.2 billion with operating profits of about US$347.9 million as of 2016. Rakuten is the official sponsor of the Spanish football club FC Barcelona as of 2021. It is often referred to as the "Amazon of Japan".
WRecruit is a human resources company headquartered in Japan. It was founded as "Daigaku Shimbun Koukokusha" in 1960 as an advertisement company that specialized in university newspapers. It owns the job search engine Indeed and the employer review site Glassdoor.
WSix Apart Ltd., sometimes abbreviated 6A, is a software company known for creating the Movable Type blogware, TypePad blog hosting service, and Vox. The company also is the former owner of LiveJournal. Six Apart is headquartered in Tokyo. The name is a reference to the six-day age difference between its married co-founders, Ben and Mena Trott.
WSo-net is a Japanese internet service provider operated by Sony Network Communications Inc. , a wholly owned subsidiary of Sony.