Eurotechnology Japan Inc.
- Provides strategy consulting, implementation and solutions for high-tech and e-commerce companies.
- http://www.eurotechnology.com/

Asia Air Survey Co., Ltd.
- A mapping, survey, engineering and computer systems company based in Shinjuku, Tokyo.
- http://www.ajiko.co.jp/

Hitachi Software Engineering Co., Ltd.
- Deals with basic software for mainframe computers and large-scale systems, and networks for government agencies as well as the financial, insurance, and securities industries.
- http://hitachisoft.jp/

CSK Corporation
- Provides computer services, consisting of programming and software development, facilities management, and data entry services, and retails and leases computers and related accessories.
- http://www.csk.co.jp/

CSK Network Systems Corporation
- Offers consulting and design services for IT network configuration, system construction and operation.
- http://www.csk.co.jp/index_e.html

Toshiba Information Systems (Japan) Corporation
- Active in semiconductor system design, development of micro computer systems, software development, network solution business, consulting, outsourcing, information system product sales, system integration and services.
- http://www.tjsys.co.jp/

Teglet
- Software company focusing on database management packages.
- http://www.teglet.co.jp/

Compu-Express
- Offers computer problem troubleshooting services, including virus recovery and protection, software installation, connection problems, peripheral device trouble, and data recovery.
- http://www.compu-express.co.jp/pasores/

Business Associates Co., Ltd.
- Offers bilingual accounting-related software, tax and accounting consulting, and computer system development and support.
- http://www.ba-net.co.jp/

Gateway Computer Japan
- Computer hardware maker, as well as offering services in IT outsourcing and system integration.
- http://www.gateway.co.jp/

IXI Co., Ltd.
- Provides consulting services on installation of various communication information systems, software development, development and distribution of software, and sales of computer equipment and installation.
- http://www.ixi.co.jp/

ITFOR Inc.
- Provides IT consultation, implementation, operations and maintenance.
- http://www.itfor.co.jp/

Iriso Electronics Co., Ltd.
- Active in production, development, and sales of multiple-pin connectors and pins for electronic equipment.
- http://www.iriso.co.jp/

Internix Inc.
- Maker of semiconductors, electronic components, batteries, displays, personal computers, peripherals, and networking equipment.
- http://www.internix.co.jp/

Internet Security Systems K.K.
- Engaged in network security to prevent network attacks, intrusions, viruses, malicious code, unwanted traffic, and spam.
- http://www.isskk.co.jp/company/PacAsia.html

Intelligent Wave Inc.
- Active in software development-customization, system integration, consulting services, and software for e-commerce.
- http://www.iwi.co.jp/

Information Services International - Dentsu, Ltd. (ISID)
- Active in computer systems planning, designing and development, integration, hardware selection and procurement, and software.
- http://www.isid.co.jp/

Intec Web and Genome Informatics Corporation
- Conduct research and development in the field of advanced information technology.
- http://www.webgen.co.jp/

Information Development Co., Ltd.
- Active in data input and processing equipment and software, plus network and operations management.
- http://www.idnet.co.jp/

Image One Co., Ltd.
- Sells internet video distribution systems, satellite images, medical image servers and software.
- http://www.imageone.co.jp/

Hitachi Systems & Services, Ltd.
- Specializes in applications related to enterprise resource planning, such as performance management and demand chain management, network security, IT platforms, and knowledge management.
- http://www.hitachi-system.co.jp/

Hitachi Information Systems, Ltd.
- Offers network expertise and integrated IT services.
- http://www.hitachijoho.com/

Himacs, Ltd.
- Maker of IT related system related maintenance and integration.
- http://www.himacs.co.jp/

G-mode
- Active in development, planning and production of network games for Java-compatible mobile phones.
- http://www.g-mode.co.jp/

Japan Tele Net Co., Ltd.
- An internet service provider, seller of network devices, computers and other devices, and an agency for insurance.
- http://www.jtn.co.jp/

I-O Data Device Inc.
- Manufacturer of computer peripherals, monitors, and computer memory.
- http://www.iodata.com/

Cresco, Ltd.
- Maker IT networks for finance, communications, and distribution related systems as well as audio equipment and hardware.
- http://www.cresco.co.jp/cresco_e/

Sanwa Supply Inc.
- Manufacturer of cables, mice, switches; also desk racks and accessories, cleaners and mouse pads, security filters, carrying and storage cases.
- http://www.sanwa.co.jp/e/

Faith, Inc.
- Maker of hardware and software for games, computers, and mobile technology. Based in Kyoto.
- http://www.faith-inc.com/

Chowdhury Software Services Inc.
- Offers computer aided chemical engineering software for petrochemical, chemical, pharmaceutical, food and environment industries, and fuel cell development.
- http://www.cssimc.com/

Mercantile Computer Shop
- Bilingual hardware/software supplier in Osaka.
- http://mcljapan.com/

Knet Japan
- Computer troubleshooting for English speaking people in the Yokohama area. Can also visit customer's office and home.
- http://www.knetjapan.net/index-e.html

Digital Electronics Corporation
- Maker of industrial automation equipment including terminals, graphic logic controllers, and computers. Based in Osaka.
- http://www.pro-face.com/

Daiwabo Information System Co., Ltd.
- Distributor of PCs in Japan. With corporate summary and financial information.
- http://www.pc-daiwabo.co.jp/english/

Database Communication, Inc.
- Distributes and provides support for computer related products, provides database consultation and engineering services, and imports software. With corporate news and R&D information.
- http://www.database.co.jp/top_e.html

Allied Telesis Inc.
- Maker of computer local area network related equipment, such as switches, hubs and routers. With profile, history, and organization.
- http://www.allied-telesis.co.jp/e_company/index.html

Cybernet Systems Co., Ltd.
- Providing a variety of Computer Aided Engineering (CAE)software, covering numerical computation/visualization, structural analysis, optical design, fluid dynamics analysis and EDA to Japanese market. Also offer software development and training.
- http://www.cybernet.co.jp/english/

Cube System, Inc.
- Provides IT systems services, system consulting, database construction and management.
- http://www.cubesystem.co.jp/

CORE Corporation
- Maker of telecommunications equipment, PC network equipment, and software. With company profile, history, and organization information.
- http://www.core.co.jp/english/

Atlus Co. Ltd.
- Maker of arcade games and home videogame software. With Japan headquarters and U.S. office.
- http://www.atlus.com/

ASCII Corporation
- Producer and publisher of computer and IT related magazines and books. With company information, support, and news.
- http://www.ascii.co.jp/english/

AGREX
- Performs IT outsourcing services for network integration, building system infrastructures, consulting, operations and maintenance. Based in Shinjuku, Tokyo.
- http://www.agrex.co.jp/english/

Open Loop Inc.
- Based in Sapporo. Developing IT security, including firewalls, anti-virus software, cryptography, and digital authentication.
- http://www.openloop.co.jp/english/

Catena Corporation
- Provides Lyee computer system development, consulting and maintenance, and sales of information technology related products. Based in Tokyo.
- http://www.catena.co.jp/english/

Capcom Co., Ltd.
- Maker of home video games, arcade games and operations, and active in licensing its game characters. With business profile, data, organization, and subsidiaries.
- http://www.capcom.co.jp/ir/english/

Canopus Co., Ltd.
- Maker of digital video editing machines, and personal computer related graphics equipment. With corporate profile and international subsidiaries. Based in Kobe.
- http://www.canopus.co.jp/english/company/company.htm

CAC Co., Ltd
- Offers IT consulting, network integration, operation, and maintenance. With corporate profile, history, and subsidiary office locations. Based in Chiyoda-ku, Tokyo.
- http://www.cac.co.jp/english/e_index.html

Argo 21
- Offers communications and management related software, management systems, and tool and die industrial products.
- http://www.argo21.co.jp/english/

Aica Kogyo
- Manufacturer of melamine boards, printed wiring boards, and computer memory.
- http://www.aica.co.jp/english/

Celartem Technology Inc.
- Producer of software used in photograph and picture design editing. Based in Osaka.
- http://www.celartem.com/home.html

Capcom Entertainment
- Worldwide page for Japanese manufacturer of game software.
- http://www.capcom.com/

Canon System Solutions Inc.
- Provides sales and support of computers, information communicating equipment, and other related devices, system integration and consultation, as well as network system integration and software. Head offices in Osaka and Tokyo.
- http://www.canon-sol.co.jp/english/

Alpha Systems
- A Tokyo based software developer for telecommunication systems, system operations, system development personnel supply, and integration services.
- http://www.alpha.co.jp/english/

Aoi Electronics Co., Ltd.
- Based in Takamatsu City, Kagawa. Active in semiconductor wafer assembling. With company outline, history, and organization.
- http://www.aoi-electronics.co.jp/index-e.html

AMSC Co., Ltd.
- Based in Musashino City, Tokyo. Markets semiconductors, memory chips, and microprocessors. With profile, history, and organization.
- http://www.amsc.co.jp/eng/index_e.html

Buildup
- Multimedia production company using computer graphics to transform images from Japanese animation, comics, and games for videos, programs, commercials, and games.
- http://www.buildup.co.jp/

Toshiba Information Systems
- Provides software development, training and installation, data entry and processing, maintenance, e-commerce, hardware, and OA supplies.
- http://www.tjsys.co.jp/english/index_e.htm

Trend New Technologies Co. Ltd.
- Provides full English support on computer sales, repair and web design in Kansai.
- http://www.tnt-pc.com/

Forefront Technologies
- Tokyo and Osaka based Microsoft Certified Solutions Provider partner offering ISP and IT services and products, and certification testing services.
- http://www.4tech.com/

Access Systems America
- Develops computer and telecoms products, including web browsers for telephones and appliances.
- http://www.access-us-inc.com/