Wataru Nagai

Part of Toabo Corp., Toa Boshoku Co., Ltd. is a manufacturer of security equipment such as commercial and professional sound equipment and security equipment such as security and surveillance cameras. The private company is based in Osaka, Japan. In addition to their security equipment, they also offer a voice synthesis software that can convert entered characters into audio and easily create an announcement sound source. The software supports four languages\: Japanese, English, Chinese, and Korean, and users can experience the creation and playback of sound sources for free. Toa Co., Ltd. has been supplying their products to more than 120 countries around the world since their founding in 1934.

Part of Toabo Corp., Toabo Material Co., Ltd. is a Japanese company that manufactures and supplies nonwoven textile products. The private company is based in Osaka, Japan.

Part of Oriental Shiraishi Corp., Japan Bridge Corp. (New) is a Japanese company engaged in the production and construction of steel structures such as bridges and architectural steel frames. The private company is based in Osaka, Japan. The company's IH (electromagnetic induction heating) device system aims to improve quality and technical skills while contributing to society and the environment. With a 100-year history, the company also offers a high corrosion-resistant steel inspection path called JB-Habis (Herbis).

Part of Carrier Global Corp., Toshiba Carrier Corp. is a Japanese company that manufactures and markets air conditioners and air conditioning equipment. The private company is based in Tokyo, Japan. The company was founded in 1999. The CEO is Toru Kubo. Toshiba Carrier was acquired by Carrier Global Corp. from TOSHIBA Corp. on July 31, 2022 for $900.04 million.

Nihon Hoso Unyu Co. Ltd. is a Japanese logistics company with a global network, primarily in Asia. The private company's services include distribution, imports and exports, trade cargo, and customs clearance.