Tokyo Financial Exchange Inc. (TFX) - Includes traded products information, FAQ, organization rules, statistics and historical data. - http://www.tfx.co.jp/
Nasdaq Japan Market - With market summary, indices, listed companies, Japan market review, and FAQ. - http://quotes.nasdaq.com/options/option_index_jpn.stm
Nagoya Stock Exchange (NSE) - With introduction, market review, listed companies, and mail service. - http://www.nse.or.jp/
Osaka Securities Exchange - With exchange news, data, products traded, futures and options, special markets, and settlements. - http://www.ose.or.jp/e/
Ace Co., Ltd. - Offers commodity exchanges and futures markets, with information on trading and hedging. - http://www.acekoeki.co.jp/english/
Tokyo Commodity Exchange (TOCOM) - With organization news, market data, financial statements, trading guide, and member list. - http://www.tocom.or.jp/
Tokyo Grain Exchange - Main contracts: azuki red beans, corn, raw sugar, US soyabean, arabica and robusta coffee. - http://www.tge.or.jp/
Tokyo Stock Exchange (TSE) - Includes listed companies, equities and bonds, futures and options, indices, statistics and links. - http://www.tse.or.jp/english/