JESCO NETWORK SYSTEM Co., Ltd.

June 2004

Tetsuo Kato, President and Representative Director

75 million yen (（JESCO Holdings, Inc. 100%）

90 (as of September 1, 2023)

August

Head Office
JESCO Shin-nakano Building, 4-3-4 Chuo, Nakano-ku, Tokyo 164-0011
TEL +81-3-6304-8021

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Nishi-tokyo Techno Station

JESCO CNS Building, 6-7-12 Yagisawa, Nishi-tokyo-shi, Tokyo 202-0022

TEL +81-42-452-5541

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Osaka Office

2-5-11 Shinimazato, Ikuno-ku, Osaka-shi, Osaka 544-0001

TEL +81-6-6752-1543

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Nagoya Office

1-10 Gohonmatsu-cho, Atsuta-ku, Nagoya-shi, Aichi Prefecture 456-0016

TEL +81-52-682-5055

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Design of and consulting for mobile wireless facilities and LAN network facilities;
Electrical equipment work and incidental civil engineering work;
Construction of wireless communication networks;
Consulting, construction, adjustment and maintenance of disaster prevention administrative radio systems, telemeters, and micro wireless facilities;
Installation, adjustment, and maintenance of audio, visual, and security systems and electrical facilities;
Installation, adjustment, and maintenance of information and communication systems, broadcasting systems, operation and monitoring facilities, water supply and drainage and sanitary systems, radioisotope systems, radioisotope facilities;
Nuclear reactor containment vessel leak tests

■Minister of Land, Infrastructure, Transport and Tourism License (Special-2) No. 23543
Electrical, civil engineering, scaffolding and excavation, steel structure, dredging, water supply facilities, masonry, paving, and painting

■Minister of Land, Infrastructure, Transport and Tourism License (Special-３) No. 23543
Electrical, telecommunication

■Minister of Land, Infrastructure, Transport and Tourism License (General-2) No. 23543
Plumbing and telecommunications engineering

ISO 9001 Q3796 (registered in January 1999)
ISO 14001 E1727 (registered in December 1999)
ISO 45001 R0073 (registered in February 2021)