The 77 Bank, Ltd. (株式会社七十七銀行, Kabushiki-gaisha Shichijūshichi Ginkō) (TYO: 8341) is a Japanese regional bank headquartered in Sendai, Miyagi Prefecture. As the designated financial institution of the prefecture, the city, and many other cities and towns throughout the prefecture, it performs duties such as holding deposits for public money and handling payments. It is also the biggest regional bank in the Tōhoku region.

The Hiroshima Bank Ltd. engages in the provision of banking and other financial services. It offers loans, deposits, securities, investment banking, financial products, property collateral evaluation, receivables management, credit guarantee, leasing, and credit card services. The company was founded in November 1878 and is headquartered in Hiroshima, Japan.

Gunma Bank, Ltd. engages in the provision of financial services. It operates through the following segments: Banking, Lease, and Others. The Banking segment offers deposits, loans, securities, investments, domestic and foreign exchange, and trust services. The Leasing segment engages in financial lease transactions. The Others segment includes transport of goods, maintenance of automated teller machines, and insurance business. The company was founded on September 14, 1932 and is headquartered in Maebashi, Japan.

Okayama Prefecture, home to the head office of the Chugoku Bank, is situated approximately 700 kilometers west of Tokyo. Facing the Seto Inland Sea, the prefecture is known throughout Japan as “the sunny land” due to its mild climate and consistently nice weather. With a population of 1.90 million people, Okayama Prefecture yields a gross prefectural product of over ¥7,813 billion (U.S.$70,572 million), or an impressive 1.39% of Japan's GDP.

The Bank of Kyoto, Ltd. (株式会社京都銀行, Kabushiki gaisha Kyōto Ginkō) is a Japanese bank based in Kyoto. The bank operates mainly in the Kansai region with more than 165 branches in Kyoto, Osaka, Shiga, Nara, Hyogo, Aichi and Tokyo prefectures. The bank offers several banking services such as deposits, loans, commodity trading, securities investment, domestic and foreign exchange services. Other business operations include the operation and leasing of real estate, commercial support services, manpower dispatching, credit guarantee services, credit card services, economic survey and consulting services.

Japan Post Bank Co., Ltd. (株式会社ゆうちょ銀行, Kabushiki-gaisha Yū-cho Ginkō, commonly abbreviated to ゆうちょ銀行 (Yū-cho Ginkō)), is a Japanese bank headquartered in Tokyo. It is a corporation held by Japan Post Holdings, in which the government of Japan has a majority stake. It is a major financial institution that started in 1875 as a postal savings system, and that still today continues to operate primarily out of post office branches. It manages over ¥205 trillion of assets and offers services in almost 24,000 branches across Japan.

Resona Holdings, Inc. (株式会社りそなホールディングス, Kabushiki-gaisha Risona Hōrudingusu) (TYO: 8308) is the holding company of Resona Group (りそなグループ, Risona Gurūpu), the fifth-largest banking group in Japan as of 2012. It is headquartered in the Kiba area of Koto, Tokyo. The main operating entities of the group are Resona Bank, a nationwide corporate and retail bank headquartered in Osaka, and Saitama Resona Bank, a smaller bank headquartered in Saitama City which primarily serves Saitama Prefecture. Most of these banks' operations are descended from Daiwa Bank and Asahi Bank, which merged in 2003.

Sumitomo Mitsui Trust Holdings, Inc. (三井住友トラスト・ホールディングス株式会社, Mitsui Sumitomo Torasuto Hōrudingusu Kabushiki Gaisha), formerly Chuo Mitsui Trust Holdings, Inc., is a Japanese financial holding company headquartered in Chiyoda, Tokyo. It provides an assortment of financial products to retail and wholesale customers, with a focus on asset management, financial brokerage and real estate services.

The Norinchukin Bank (農林中央金庫, Nōrin Chūō Kinko, lit. "Central Credit Union for Agriculture and Forestry (Cooperatives)"; also known as Nochu Bank) is a Japanese cooperative bank serving over 5,612 agricultural, fishing and forestry cooperatives from its headquarters in Tokyo. The bank is one of Japan's largest institutional investors with an investment portfolio of more than US$400 billion and assets exceeding US$840 billion.