Kazuo Ishii

Part of TCS Holdings Co., Ltd., High-Tech System Corp. is a Japanese software development company. The company is based in Tokyo, Japan.

TCS Holdings Co., Ltd. engages in the software business. It also offers information technology solutions; leases and manages real estate properties; and financial business. The company was founded on September 9, 1974 and is headquartered Tokyo, Japan.

EdgeTrade, Inc. provides direct market access trading and agency algorithmic services. As an agency only broker dealer and software developer, the company's mission is to provide unconflicted next generation technologies specifically designed to cater to institutional clients. The company was founded in 1996 is located in New York City, NY.

Hokubu Communication & Industrial Co., Ltd. manufactures printed circuit boards for use in mobile and electronic products. It also engages in various equipment such as factory / office automation, wireless communication, information technology, and medical image processing. The company was founded in March 1969 and is headquartered in Fukushima, Japan.

Part of Tokyo Computer Service Co. Ltd., Meisei & Co., Ltd. is a company that manufactures and markets inorganic chemicals and electrical components. The company is based in Tokyo, Japan. Meisei & Co. was acquired by Tokyo Computer Service Co. Ltd. from Industrial Revitalization Corp of Japan on March 14, 2005.

Part of Airex, Inc. /JP/, Airex Infotec Co., Ltd. provides system integration, software and information system development services. The company is based in Tokyo, Japan. Airex Infotec Co. was acquired by Airex, Inc. /JP/ from Tokyo Computer Service Co. Ltd. on August 30, 2006 for $0.20 million.

Techno Sevensystems Co. Ltd. operates computer software development companies. The firm develops application software, communication software, control system software and other related software. The company was founded in March 2001 and is headquartered in Tokyo, Japan.

untapt, Inc. develops a recruiting platform focused on the financial services technology. Its platform disintermediates the recruiters, matches the candidates and managers, and connects them in real-time using short video pitches. The firm serves banks, financial institutions, hedge funds, and startups. The company was founded by Ed Donner, Geoff Massam, and Max Kantelia in 2013 and is headquartered in New York, NY.

Part of TCS Holdings Co., Ltd., Tokyo Computer Service Co. Ltd. is a Japanese company that provides software development services. The company is based in Chiyoda-ku, Japan.

Vesel Interactive LLC provides search engine that offers detailed information on trading activity and volume leaders in equity derivatives. The company was founded by Joseph Wesley and is headquartered in Weston, FL.

Knight Capital Group, Inc. is a global financial services firm, which provides access to the capital markets across multiple asset classes to a broad network of clients, including buy and sell side firms, dealers, brokers, institutions, and corporations. It operates business through four segments: Market Making, Institutional Sales and Trading, Electronic Execution Services and Corporate and Other. The Market Making segment consists of market making in global equities and listed domestic options. It includes client, and to a lesser extent, non-client electronic market making activities in which they operate as a market maker in equity securities. The Institutional Sales and Trading segment includes global equity, exchange traded funds and fixed income sales and trading; reverse mortgage origination and securitization; capital markets; and asset management activities. Its business consists of execution and facilitation equities and fixed income transactions as agent on behalf of institutional clients, and they commit capital on behalf of its clients when needed. The Electronic Execution Services segment offers access via its electronic agency-based platforms to markets and self-directed trading in equities, equity options, fixed income, foreign exchange and futures contracts. The Corporate and Other segment invests in strategic financial services-oriented opportunities, allocates, deploys and monitors all capital, and maintains corporate overhead expenses and all other income and expenses that are not attributable to the other segments. The company was founded in 1995 and is headquartered in Jersey City, NJ.

Part of JPMorgan Chase & Co., LayerOne Financial LP LLC is a financial infrastructure company based in New York, NY. LayerOne Financial LP LLC offers sophisticated, customizable analytics, real-time OTC pricing, and institutional world-class design. With their broad multi-strategy support, seamless front-to-back workflow, and utilization of leading-edge technology, LayerOne Financial aims to consolidate, improve, innovate, and transform returns for financial institutions. The company, founded by Todd Mangel and Abe Paul, is known for its proven, leading-edge, cross-asset, single-source, front-to-back solution that helps transform returns. LayerOne Financial was acquired by Neovest, Inc. on March 01, 2024.

SenaHill Investment Group LLC (SenaHill Investment) is a Venture Capital subsidiary of SenaHill Partners LP founded in 2013. The firm is headquartered in New York.

Airex, Inc. offers cloud based solutions. It provides access to premium investment research, analysis, data and apps to investment managers, analysts, traders and self-directed investors. The company was founded by Christopher Williams and Stephen Kuhn in 2012 and is headquartered in New York. NY.

Tradelegs LLC provides computer software services. It offers Derivatives Strategist, a subscription decision-support software for portfolio managers, risk managers, analysts and traders. The company was founded by Gideon Agar, Andrew DeFeo, Vassilis Liatsos, Peter Hauser and Hani El-Sakkout in 2011 and is headquartered in New York, NY.

WealthForge Holdings, Inc. provides a platform that connects entrepreneurs and investors online. The firm specializes on equity crowdfunding, private investing, real estate investing, and private placements. The company was founded by Mathew F. Dellorso and Frederick E. Bryant and is headquartered in Richmond, VA.

Part of Airex, Inc. /JP/, AISOL Co., Ltd. is a technology company based in Tokyo, Japan. The Japanese company specializes in AI solutions, multi-cloud, and database engineering. In 2006, AISOL Co. was acquired by Airex, Inc. /JP/ from Sigmatron Co., Ltd. for $0.05 million.