Yu Umezu

Part of Mamezou K2TOP Holdings Corp., Fosternet Co., Ltd. provides IT related services, including IT personnel recruitment. The company is based in Tokyo, Japan. Fosternet Co. was acquired by Mamezou K2TOP Holdings Corp. from Nihon Data Communication KK on December 31, 2009 for $1.81 million.

JM Technology, Inc. provides software development and the design and development of hardware solutions. It operates through Information Technology and semiconductor segments. The Information Technology segment develops web systems, infrastructure systems, semiconductor communication control systems, and factory automation and production control systems. The Semiconductor segment offers customized services such as semiconductor manufacturing equipment setup, repairs and maintenance. The company was founded on March 1, 1995 and is headquartered in Fukuoka, Japan.

Neutral Co., Ltd. engages in the development of local communities with information technology. The company was founded on March 24, 2000 and is headquartered in Nagoya, Japan.

Part of Mamezou K2TOP Holdings Corp., Open Stream, Inc. is a Japanese company that provides system integration, cloud, AI, IoT, and cybersecurity services. The company is based in Tokyo, Japan. The company was founded in 2000. The CEO is Kenta Shibamura. Open Stream was acquired by Mamezou K2TOP Holdings Corp. on March 31, 2006 for $5.86 million.

Part of Mamezou K2TOP Holdings Corp., Mamezou Co., Ltd. provides information technology solutions. The company is based in Tokyo, Japan and was founded in 2000.

Part of Japan Business Systems, Inc., NEXTSCAPE, Inc. provides data base system development and maintenance services. The company is based in Tokyo, Japan. NEXTSCAPE was founded in 2002. NEXTSCAPE was acquired by Japan Business Systems, Inc. from Mamezou K2TOP Holdings Corp. on December 07, 2022 for $20 million.

Part of Mamezou K2TOP Holdings Corp., Kowamex Co., Ltd. is a Japanese function engineering company that designs and develops basic robot functions such as automobiles, ships, aircraft, etc. The company focuses on the development of next-generation vehicles, such as case case, and provide valuable functions and technologies based on commitment management philosophy for sdgs. The company also offers function en, which provides functional development in the aircraft and ships, and in-vehicle system for cars. Additionally, they have experience and know-how in developing various designs for many years and offer academic and practical curriculum tokai area. The company has three technologies in software, electric, and mecha, and provide case region development technology, mbd/cae solution, and dx solution.

Progress Partners, Inc. provides financial advisory services. The firm specializes in digital media, sell-side M&A, mergers & acquisitions, buy-side M&A, private equity, software, corporate strategy. The company was founded by Nicholas Morse MacShane in 2002 and is headquartered in Washington, DC.

Integral Corp. (Japan) (Integral) is an independent Japanese private equity firm which was established in 2007 with the support of GCA Savvian Group Corporation (TK: 2174). Based in Tokyo, the firm, whose name stands for 'to accumulate over time', invests in both listed and unlisted Japanese companies and offers both managerial and financial support.

The Computer Software Association of Japan provides software development services. The non-profit company is based in Tokyo, Japan. and has subsidiaries in Japan.

Part of Mamezou K2TOP Holdings Corp., Digital Media Kenkyusho KK engages in system software development and sales, employee dispatch services, consulting and technical support services. The company is based in Sendai, Japan. Digital Media Kenkyusho KK was acquired by Mamezou K2TOP Holdings Corp. on January 20, 2015 for $0.75 million.

Part of Progress Software Corp., Progress Co. provides products and services that accelerate business app development, automate processes, and enhance data accessibility and security. The American company's offerings include network and web performance monitoring, automated file transfers, and workflow automation capabilities. The company also offers consulting services for outsourcing, staff augmentation, and customization. Additionally, their DataDirect division provides embedded database, ETL, and BI connector OEM solutions for ISVs, ensuring reliable data connections for customer data anywhere.

Part of Mamezou K2TOP Holdings Corp., Mamezou OS (Xiamen) Co. Ltd. develops computer software and provides IT training and tech support services. The company is based in Xiamen, China. Mamezou OS (Xiamen) Co. was acquired by Mamezou OS (Shanghai) Co. Ltd. on December 31, 2011.

Part of ESM, Inc. (Japan), Change Vision, Inc. is a modeling tool vendor. The company is based in Tokyo, Japan. More than 640,000 users, across large and small organizations, use astah to design software and safety-critical products. Change Vision thrives on inspiration and aims to make software design more productive, rich and fun. Change Vision was acquired by ESM, Inc. (Japan) from Mamezou K2TOP Holdings Corp. on December 25, 2009 for $0.82 million.

Part of Mamezou K2TOP Holdings Corp., Menox Co. Ltd. is a Japanese company that manufactures computer hardware and software and provides software outsourcing and engineer personnel dispatch services. The company is based in Tokyo, Japan. Menox Co. was acquired by Mamezou K2TOP Holdings Corp. on April 01, 2014 for $2.55 million.

Techno Like Us Co., Ltd. engages in engineer staffing business. It also offers job placement with charge; and business contracting and development. The company was founded in September 1947 and is headquartered in Tokyo, Japan.

Part of Mamezou K2TOP Holdings Corp., Mamezou OS (Shanghai) Co. Ltd. develops computer software and provides IT training and tech support services. The company is based in Shanghai, China.

Progress Tax Accountants Corp. provides tax payment and related services. Its services include consolidated tax payment for general trading and financial investment companies; automobile manufacturers; support subsidiary''s consolidated tax payment, organizational restructuring, M&A, IPO; income tax returns filing for overseas residents, inheritance, gift declaration and consultation services. It also conducts seminars for clients. The company was founded on March 20, 2003 and is headquartered in Tokyo, Japan.