Corporate Overview & Customers

Company Name Nextgen, Inc.
Established November 16, 2001
Capital JPY1,145M
President Shinji Onishi
Number of Employees consolidated:145 (as of March, 2025)
Head Office Shirokane-takanawa Station bldg 6F, 1-27-6 Shirokane, Minatoku, Tokyo, #108-0072, Japan
Subsidiaries LignApps, Inc.
News June 19,2025 
Nextgen and ARCO Japan Announce Business Alliance in Refurbishment Sector
June 23,2021 
NextGen NX-B5000 for Enterprise SBC is certified with Zoom Phone (The first Japanese product to be tested and approved by Zoom) Internal and External Call with Zoom Phone Available
March 12,2019 
BlueTC Audits and TUV TRUST IT Certifies the Security of One of The Largest European Operators' IMS Systems
(Link to the BlueTC's web site)
September 26,2018 
Nextgen signs distributor agreement with BlueTC to launch VoIP security business in Europe
September 04,2018 
Nextgen, Inc. LA-6000 Now Rated "Avaya Compliant"
Key Customers NTT DOCOMO BUSINESS, Inc.
NTT DOCOMO SOLUTIONS, Inc.
NTT TechnoCross Corporation
NTT business Solutions corporation
NTT DOCOMO, INC
NTT TownPage Corporation
OPTAGE Inc.
KDDI CORPORATION
BIGLOBE Inc.
SoftBank Corp.
Rakuten Mobile, Inc.
SAXA, Inc.
TOHKnet Co., Inc.
NEC Corporation
NEC Networks & System Integration Corporation
NEC Platforms, Ltd.
CHUBU TELECOMMUNICATIONS CO.,INC
Japan Association for Construction Human Resources
NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION
Hewlett Packard Japan, G.K.
TSUZUKI DENKI CO.,LTD.
S&I Co.,Ltd.
Takacom Co.,Ltd.
EXEO Digital Solutions, Inc.
EXEO Group, Inc.
Dentsukogyo Co. Ltd.
SOURCENEXT CORPORATION A
Shinnichi Co,.Ltd All Right Reserved.
Suita Information System Co., Ltd.
STNet, Incorporated
MARUBENI INFORMATION SYSTEMS CO., LTD.
Marubeni Network Solutions Inc.
MITSUI KNOWLEDGE INDUSTRY CO., LTD.
AiCommunication co.,ltd.
ITOCHU Techno-Solutions Corporation
Tramsystem Co.,Ltd.
Hitachi Systems, Ltd.
Hitachi Information & Telecommunication Engineering, Ltd.
IWATSU ELECTRIC CO.,LTD.
Telephone Broadcasting Station, Inc.
Internet Initiative Japan Inc.
East Japan Railway Co.
SHODEN CORPORATION
ARTERIA Networks Corporation
NIPPON DENTSU Co., Ltd.
Islenet, Inc.
FUJITSU GENERAL LIMITED
Universal Technics Co.,Ltd
Avaya Inc.
SCSK Corporation
Japan Communications Inc.
Sojitz Tech-Innovation Co., Ltd.