Founded in 1975, our company has kept introducing to the Japanese customers the most advanced computer network related products available from the United States, which are being utilized in a wide variety of environments here today. We have foreseen the advent of the fiber optics technology based communications, and deployed our businesses centered on enabling cost-effective usage of fiber optics cables any time, anywhere・ simplifying construction of the IT network infrastructure with fiber optics cables. We provide our customers with fiber optics based network connectivity products, multi-media transmission systems that can help extend networking distances, and also realize construction of broadband network infrastructure. These products have been given high marks in our market for their high performance, and our meticulous tech support. Our good sales records endorse all this. After building the network infrastructure, it behooves customers to take security measures in utilizing such network infrastructure. Thus, we have been addressing network security issues in order to have our customers make use of network systems more securely and yet in high throughput. For this purpose, we have been offering highly value-added solutions by carrying in our product line UTM security appliances that protect information systems against threats such as viruses, spy-ware, etc. over the Internet, and security proxy appliances that can provide network acceleration and security measures against improper web-accesses. In addition to these products, we also handle software poducts which cover data backup, risk management, security measures to ensure efficiency of management, high availability, and safety of the information assets such as databases, applications being used through daily operations. We are grappling with an issue of how we can protect the corporate data from disasters , system failures, etc..

As aforesaid, we are offering these products to our customers with our top-notch tech support. Furthermore, eyeing the globalization of communications with ubiquitous computing, NGN technologies, we will keep our eyes and ears open in exploring new products and technologies to meet our market needs.

We look forward to your continued patronage and support in the months and years ahead.

Mitsuhiro Yamazaki
President & CEO
PSI Inc.


•Headquarters : Shinjuku Kensei Bldg. 4F, 5-5-3 Shinjuku, Shinjuku-Ku, Tokyo ,160-0022 ,Japan
•Osaka Branch : Shin Osaka Nishin Bldg. 3-21-13 Nishi-Nakajima, Yodogawa-Ku, Osaka City, Osaka-Fu, 532-0011
Established : January 10, 1994
•Paid-up Capital : Yen 50 million
•Board of Directors : Koji Ohara — Chairman
Mitsuhiro Yamazaki — CEO
Kosuke Kisara — Director
Takashi Yoshida — Director
•Bank References : Sumitomo Mitsui Banking Corporation
•Affiliated Company : Astro-Hidaka Corporation — The company handles Navigation and Guidance Equipment of Kearfott Corporation and component for aircrafts of Astronautics Corporation of America.
•Web-site :


1975 The company inaugurated its operation under the name of Phoenix International Inc. and started to export consumer electronics products to U.S. and Europe.
1985 Shifted its focus from export to import, and started to import high-tech gear such as tape backup sub-systems, storage sub-systems from the U.S. for domestic distribution.
1994 The sales department of Phoenix International went independent and the new company called Phoenix Sales Inc. was formed in January. Since then, the company has been focusing on domestic sales of the products below stated.
1995 Signed the distribution agreement with Transition Networks in Minnesota, USAon their fiber optics basednetworking connectivity products.
Acquired the distribution rights of networking connectivity products made by Networth ,Inc. in Texas, USA.
1996 Signed the distribution agreement with Xante Corporation in Alabama, USA on their super-high resolution laser printers.
These printers have been sold in the DTP/pre-press industry here.
1997 Became a distributor of the backup software of Seagate Software (now Veritas Software Corporation) in California, USA.
1998 Entered into a distribution agreement with the Japanese unit of Computer Associates International, Inc. in New York on their backup/security management software.
Signed the distribution agreement with Network Peripherals in California USA on their networking connectivity products.
Acquired the distributorship of the fiber optics based multimedia transmission systems made by Physical Optics Corporation (now Broadata Communications, Inc.) in California, USA.
2000 Became a sales representative in Japan for Taiwanese New Elite Technologies(NETI), Inc. on their fiber optics based CATV related products and components.
Changed the corporate ID from Phoenix Sales Inc. to PSI Inc. and increased the capital from Yen25 million to Yen50 million.
2001 Acquired the sales rights of multi-media digital network gear of Enerdyne Technologies Inc. in California, USA.
Opened the Osaka Branch Office.
2002 Started to sell the networking connectivity products made by MiLAN Technology in California, USA.
Acquired the stock of Astro-Hidaka Corporation held by Phoenix International Inc. and took over the business of instruments and electronic parts for aircraft applications from Phoenix International.
2003 Acquired distributorship of ThinkFree Office suite products made by ThinkFree Corporation in California, USA.
Signed the distributor agreement with Fortinet, Inc. in California, U.S.A. and started to sell Fortinet痴 network security products.
Signed the distributor of Strix Systems, Inc. in California, U.S.A. and started to sell their unique wireless related products.
2004 Started to sell Fiber optic connector cleaning system made by Westover Scientific, Washington, U.S.A.
2005 Signed the distribution agreement with Blue Coat Systems in California, USA on their network security appliances.
2006 Signed the distribution agreement with Digital Lightwave, Inc. in Florida, USA on their digital communication test equipment, such as Network Infomation Computer (NIC) and Optical Wavelength Manager (OWM).
2009 米Signed the distribution agreement with VIAVI in California, USA on their Communication Test & Measurement equipment, such as Fiber Inspection and Test products.
2011 Signed the distribution agreement with SafeNet in Merry Land, UAS on Authentication equipment, software and Encryption product.
Signed the distribution agreement with Lancope in Georgia, USA on Network monitoring system.
2012 Start to sell the Network Storage Server PS2210NAS and PSiSCSI for 1G/10G Ethernet as won brand.
Also start to sell the lithium ion battery system named ELECSTOR for business use.
Developed iSCSI storage product. Start to distribute PSiSCSI and network storage server.
Signed the distribution agreement with Jennifer Soft in Korea on network application visualize software implement into the server.
2013 Signed the distribution agreement with Check Point Software Technologies in Israel on firewall products.


•Computer network related products
•Fiber optics based multi-media data transmission systems
•Network storage related products
•Wireless related products
•System integration and LAN installation works
•Maintenance works for computer network systems and hardware
•Authentication and encryption software and hardware
•Network storage product
•Network application visualize product
•Fiber optics connector inspection/cleaning product
•Firewall product
•GPON product
•Gyro and components for aircraft applications
Vendors and Product details :
◊Transition Networks (Minneapolis, MN, USA)
•Optical Fiber/UTP media converters
•Mode converters
•Network switches with optical fiber port(s) (multi/single modes)
◊Broadata Communications, Inc. (Torrance, CA, USA)
•Fiber optics video/audio/data transmission systems
•Fiber optics network data transmission systems
•High quality fiber optics video/audio transmission systems
◊Fortinet, Inc. (Sunnyvale, CA, USA)
•UTM network security gateway products
◊VIAVI(California, USA)
•Handheld triple-play services tester
•Finer optics connector Inspection Systems
•Fiber optics connector cleaning systems
◊SafeNet Inc.(Belcamp,MD,USA)
•Authentication and encryption software and hardware
◊Jennifer Software (Seoul Korea)
•Network application visualize Software
◊Astronautics Corporation of America (Milwaukee, WN, USA)
•Components for aircraft applications
◊Kearfott Corporation (Little Falls, NJ, USA)
•Navigation and Guidance Equipment
◊Infinico, Inc.
•RADIUS server and security appliance related products
◊Check Point Software Technologies LTD,(Israel)
•Firewall Product
◊Calix (Petaluma,CA,USA)
•GPON product