IT, Security & Network Installations

Acmos Inc.
Provides various IT solutions and IT services for customers. Location: Jinbocho Kinmei Bldg. 23, Kanda Jinbocho 3-chome, Chiyoda-ku, Tokyo 101-0051
Internet Association Japan
Promotes advanced information systems, solves problems which ISPs encounter when they operate services, helps growth of Internet.
TIS Total Service Inc.
Installation of security systems such as anti-theft devices, surveillance cameras and security of data center. Located at Shinjuku Square Tower 17F, 6-22-1 Nishishinjuku, Shinjuku-ku, Tokyo 163-1117.
Hitachi Consulting
Business and IT consulting company with core services in business process, industry and leading-edge technology experience to develop and implement practical business strategies and technology solutions.
Savvis Communications
IT solutions for consumer brands, e-commerce, SaaS, business continuity, content and proximity hosting. With technology services for cloud hosting, colocation, network and security. Tokyo office: Kyodo Building 7F, 3-29 Kanda Jinbocho, Chiyoda-ku.
Method IT
Business services in Tokyo, private cloud solutions, datacenter hosting, software management, website and e-commerce design. Located at Takanawa White Mansion 1006, 2-15-11 Takanawa, Minato-ku.
Asist
Provides IT and TV consulting services, onsite support service for IT and TV, server management and network management services and more to clients. Address : 3F Azabu Maruka Bldg., 3-8-2 Higashi Azabu, Minato-ku, Tokyo 106-0044
QlikTech
Business consultants and systems integrators. Located at Izumi Garden Tower 10F, 1-6-1 Roppongi, Minato-ku, Tokyo 106-6010.
Fujitsu
Business and technology solutions for R and D, manufacturing, data center, system integration, consulting, sales and support operations. Located at Shiodome City Center, 1-5-2 Higashi-Shimbashi, Minato-ku, Tokyo 105-7123.
RR Donnelley Venue
RRD Venue is a secure virtual data room that manages confidential information for time sensitive financial transactions.
IDC Frontier Inc.
Provides cloud computing(IaaS), cloud storage service and data centre service. Address: Kioi Tower,Tokyo Gardern Terrace Kioicho, 1-3 Kioicho, Chiyoda-ku, Tokyo 102-8124 Japan
Japan Network Information Center
Administers IP addresses, conducts promotion, enlightenment and research activities, guarantees smooth administration of the internet.
ACI Worldwide (Japan) K.K.
Provides electronic payments solutions to financial institutions, retailers and payment processors. Address : Rm.711, Burex Kyobashi 7-14, Kyobashi 2-chome, Chuo-ku, Tokyo 104-0031
Nihon Database Kaihatsu Co.,Ltd.
Sale, consulting, and development of dictionary, digitisation, modification, editing, and translation of information and data system development. Address : 7th Fl., Otsuka General Bldg. 19-12, Kitaotsuka 1-chome, Toshima-ku, Tokyo 170-0004
Emissary Computer Solutions
IT solutions and services for foreign and local businesses in Japan. Located at View Stage Suzuki 2F, 3-19-13 Higashi-Nakano, Nakano-ku.
Tripwire Japan K.K.
Provides IT security software, data security, regulatory compliance, security configuration management, continuous monitoring and incident detection. Address : 24-8, Sekiguchi 1-chome, Bunkyo-ku, Tokyo 112-0014
Agrex Inc.
Provide a number of outsourcing services to clients. Address : 5th Fl., J Tower 1-1, Nikko-cho, Fuchu, Tokyo 183-0044
CenturyLink Technology Solutions
Co-location data center, e-commerce functionality of cloud service complete type, managed hosting, IT outsourcing, industry-leading security and network services.
Asahi Business Solutions Corp.
IT consulting, system development, maintenance and operations. Located at Asahi Beer Azumabashi Building, 1-23-1 Azumabashi, Sumida-ku.
Brocade Communications Systems K.K.
Provides network solutions with consolidation, network convergence, virtualization, and cloud computing objectives. Address : 11st Fl., Daido Seimei Kasumigaseki Bldg. 4-2, Kasumigaseki 1-chome, Chiyoda-ku, Tokyo 100-0013
Blue Coat Systems K.K.
Provides Web security service, mobile device security service and more. Address : 10th Fl., Prudential Tower 13-10, Nagata-cho 2-chome, Chiyoda-ku Tokyo 100-0014
CTCSP CORPORATION
Technology services from network and security related equipment to storage devices and packaged software. Located at Nakamura Bldg., 1-16-7 Komazawa, Setagaya-ku, Tokyo 154-0012.
Japan Third Party
Technical IT service provider in Japan. Located at InterCity Building A 13F, 2-15-1 Konan, Minato-ku.
Avinton
Supports mobile network vendors and operators with services in RF tuning, dimensioning, capacity management, strategic consulting, optimisation, network operations and training. Located at Ariake Frontier Building Tower B 9F, 3-7-26 Ariake, Koto-ku.
Tokyo IT Support
Tech support Tokyo, IT services Tokyo, IT consultants, software upgrades, hardware repair, Tokyo small office computer help, large equipment and desktop PC repairs. Open weekdays 10:00-18:00 at 2-19-3 Higashi Azabu, Minato-ku.
TopTech Informatics K.K.
IT solutions and services including customised software development, IT infrastructure design and setup, office relocations and setup, MS exchange hosting and more. Address : Jidai Bldg. 4F, 1-7-5 Iidabashi, Chiyoda KU, Tokyo 102-0072.
INES Corp.
Provider of data processing and communication network services, software development, system integration and other related services. Address : 11-1, Akasaka 6-chome, Minato-ku, Tokyo 107-8427
Ad-Sol Nissin Corp.
Provides solutions to information systems and embedded systems for companies and the public. Address : Riverge Shinagawa 1-8, Konan 4-chome, Minato-ku, Tokyo 108-0075
CTC Technology Corporation
Support services on IT systems and networks; also conducts IT-related training. Located at Kurita Kudan Building, 1-11-5 Fujimi, Chiyoda-ku.
IBM Japan, Ltd.
Business services, IT services and solutions, outsourcing services, consulting and more related services to clients. Address : 19-21, Nihonbashi Hakozaki-cho, Chuo-ku, Tokyo 103-8510
Entrust Japan Co.,Ltd.
Provides secures digital identities and information for consumers include SSL, authentication, fraud detection, shared data protection and email security. Address : 3rd Fl., Ascend Jimbocho Bldg. 23, Kanda Jinbo-cho 2-chome, Chiyoda-ku, Tokyo 101-0051
Air Co.,Ltd.
Provides software design, development, implementation and localization. Address : 7th Fl., KDX Roppongi 228 Bldg. 2-8, Roppongi 2-chome, Minato-ku, Tokyo 106-0032
Larkin & Associates
Financial, risk consulting and SOX compliance services with internal and IT audit, taxation and IFRS services, enterprise risk management. Located at 8F Shinkawa Ohara Building, 1-27-8 Shinkawa, Chuo-ku, Tokyo 104-0033.
Nomura Research Institute
Research , consulting and IT solutions to business corporations operating on a global scale. Located at Marunouchi Kitaguchi Building, 1-6-5 Marunouchi, Chiyoda-ku, Tokyo 100-0005.
Fusion Systems
Tokyo IT solutions and systems development, IT consultants, systems development and IT infrastructure services. Located at Daiwa Azabudai Building 8F, 2-3-3 Azabudai, Minato-ku.
Vega Project
Audio-visual/IT products and solutions for use in presentation, audio and video conferencing and control systems. Located at Toko Building 3F, 1-3-9 Shintomi, Chuo-ku.
Sumisho Computer Systems Corp.
Provides IT services covering number of business services, IT Management and IT Platform Solutions to clients. Address : Harumi Island Triton Square Office Tower-Z 8-12, Harumi 1-chome, Chuo-ku, Tokyo 104-6241
INTEC
Integrated technology solutions from information technology to telecommunications. Tokyo head office is located at 1-3-3 Shinsuna, Koto-ku.
Computer Entertainment Suppliers Association (CESA)
Promotes computer entertainment industry through various research and promotional activites, training, study meetings, exhibitions, launches various projects to achieve the aim of CESA.
KVH
Tokyo IT company for integrated communications and managed IT infrastructure services such as data networking, internet access, voice, managed IT and cloud services. Located at Tamachi Ekimae Building, 3-1-35 Shibaura, Minato-ku.
PS Japan Co. Ltd.
Provides protection for PCs, business and device management also. Address : 9th Fl., Nihonbashi Odenma-cho Plaza Bldg. 1-8, Nihonbashi Odenma-cho, Chuo-ku, Tokyo 103-0011
Transcosmos inc.
Provides outsourcing services, digital marketing and analytics services. Address : 3-25-18, Shibuya, Shibuya-ku, Tokyo 150-8530 Japan.
Pacific Business Consulting, Inc.
Technology solutions for business operations, intelligence and security. Located at Tennoz First Tower 15F, 2-2-4 Higashi Shinagawa, Shinagawa-ku, Tokyo 140-0002.
CleverGear Inc.
IT Consulting company for both home & small business. Training, troubleshooting, setup & support for Mac computers, iPhone, iCloud / iTunes, Wi-Fi & networking. Member of Apple Consultants Network. English & Japanese okay.
Information-Technology Promotion Agency, Japan
Protects and promotes IT society through countermeasures against security risks, improve reliability of information processing systems and nurturing IT human resources to ensure reliability and vitality of Japanese economy.
Intercom, Inc
Provides PC-based advanced communication software. Address : Sorimachi Bldg. 3-5, Taito 1-chome, Taito-ku, Tokyo 110-8654
Sybase
An SAP company delivering enterprise and mobile infrastructure, development and integration software solutions. Tokyo office located at Akasaka Garden City 5F, 4-15-1 Akasaka, Minato-ku.
LexisNexis Japan K.K.
Provides content-enabled workflow solutions to professionals in the legal, risk management, corporate, government, law enforcement, accounting, and academic markets. Address : 19th Fl., Carrot Tower 1-1, Taishido 4-chome, Setagaya-ku, Tokyo 154-0004
Artiza Networks, Inc.
Company mainly engaged in the development and sale of communication measuring machines. Address : Faret Tachikawa Center Squar 36-2, Akebono-cho 2-chome, Tachikawa, Tokyo
AKB Japan
International company that can assist companies optimize their IT infrastructure, tailored to company needs, evaluation, audit, IT security and reduction of operating costs. Located at Park Habio 615, 4-22-10 Honmachi, Shibuya-ku.
eSolia
Tokyo-based IT management firm with business consulting, project and outsourcing services. Located at Sawa Building 6F, 2-2-2 Nishi-Shinbashi, Minato-ku.
TIS First Manage Inc.
Software development company from information processing to communication technology. Located at Shinjuku Square Tower 4F, 6-22-1 Nishishinjuku, Shinjuku-ku, Tokyo 163-1117.
Advantage 24 K.K.
Cloud solutions Tokyo, IaaS solutions for your business, cloud computing, public, private or hybrid clouds. Located at 6-10-4 Yutaka-cho, Shinagawa-ku.
Japan Information Processing Development Corporation
Provides specialized analysis of large and complex data ensuring reliable framework.
Universal Technics Co.,Ltd
Computer hardware/software and development, office automation equipment and office furniture, planning, design and construction of system LAN cabling and more. Address : Kokusai Chusei Kaikan, 14-1, Goban-cho, Chiyoda-ku, Tokyo 102-0
SimNet Computing Ltd.
Offers computer network and subsequent maintenance and support programs. Location: 3rd floor., Takanawa Bldg. 13-11, Takanawa 4-chome, Minato-ku, Tokyo
WIT Corporation
IT consulting and outsourcing services, application/system development, network and infrastructure building, help desk support. Tokyo office: Kasei Building 5F, 2-3-3 Kyobashi, Chuo-ku.
systemsGo
IT support and IT project management services in Tokyo. Located at Azabudai Amerex Building 3F, 3-5-7 Azabudai, Minato-ku.
Japan Telework Association
Surveys and researches telework activities of Telecommunication Companys, provides reliable network for company.
Computer Associetes Japan, Ltd.
Provides IT management solutions that help customers manage and secure complex IT environments. Location: 39th Fl., Shinjuku Mitsui Bldg. 1-1, Nishi Shinjuku 2-chome, Shinjuku-ku, Tokyo
Aineo Corp.
Provides outsourced computer, network, and telephone systems support. Address : 4-4, Iwamoto-cho 1-chome, Chiyoda-ku, Tokyo 101-0032.
jpstream
E-commerce, application hosting, web hosting services for small and medium businesses. Address : Level 9, Ariake Frontier Building Tower B 3-1-25 Ariake, Koto-ku Tokyo 135-0063 Japan
Arbor Networks K.K.
Provides network security and management solutions for enterprise and service provider networks. Address : 8th Fl., Uchida Bldg. 17-1, Shimbashi 1-chome, Minato-ku, Tokyo 105-0004
Soliton Systems, K.K.
Provides IT security, IT integration, real time video telecasting system and LSI. Address: 2-4-3 Shinjuku, Shinjuku-ku Tokyo 160-0022
TIS Solution Link Inc.
Information technology consultant from design and development of systems with problem solution capabilities. Located at Shinjuku Square Tower18F, 6-22-1 Nishishinjuku, Shinjuku-ku, Tokyo 163-1117.
Gartner Japan
Information technology research and advisory company. Located at Atago Green Hills MORI Tower 5F, 2-5-1 Atago, Minato-ku.
TIS System Service
Software development, system operation and staffing services. Located at Shinjuku Front Tower 13F, 2-21-1 Kita-Shinjuku, Shinjuku-ku, Tokyo, 169-0074.
Maruzen
Develop and sell computerized library management systems, along with library operations outsourcing services, digitizing services and consulting. Address : No.2 Maruzen Bldg. 9-2, Nihonbashi 3-chome, Chuo-ku, Tokyo 103-8244
First Contact Corporation
IT training, planning and implementations of systems. Located at Shibuya Square A, 1-9-5 Dogenzaka, Shibuya-ku.
I-N Information Systems, Ltd.
Provides development, management and maintenance of shared databases and external services for economic statistics and finance databases also. Address : Kowa Hitotsubashi Bldg. 7-1, Kanda Nishiki-cho 3-chome, Chiyoda-ku, Tokyo 101-0054
Actuate Japan Co.,Ltd.
Provides multiple development and design tools. Address : 15th Fl., Serulean Tower 26-1, Sakuragaoka-cho, Shibuya-ku, Tokyo 150-8512
Jaipa Internet Providers Association
Internet services security. Address : Kakoh Sakuragaoka Bldg. 6F 3-24 Sakuragaoka-cho Shibuya-ku, Tokyo 150-0031

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