Graph of <a href="https://en.wikipedia.org/wiki/en:Japan_Post_Holdings" class="extiw" title="w:en:Japan Post Holdings">Japan Post Group</a> and the others companies in Japan
<a href="//commons.wikimedia.org/wiki/User:Genppy" title="User:Genppy">Genppy</a>
CC BY-SA 3.0
self-made (based on <a rel="nofollow" class="external text" href="http://www.yomiuri.co.jp/atmoney/mnews/20071002mh07.htm">巨大システム残る不安　日本郵政グループ始動</a>, <a href="https://en.wikipedia.org/wiki/en:Yomiuri_Shimbun" class="extiw" title="w:en:Yomiuri Shimbun">Yomiuri Shimbun</a>)