Showa Denki has 12 sales bases within Japan, and a further four overseas. We can give you rapid and targeted advice on the optimum blowers and environmental devices for your requirements.

East Japan Engineering Sales Dept.  |    Kanto Region, Hokkaido Prefecture, Tohoku Region, Niigata Prefecture, & Nagano Prefecture

Tokyo Branch Office
  • The Tokyo Branch will relocate due to construction of the East Japan Technical Center (name tentative).
  • Planned construction site: 690-1, Hananoi, Kashiwa, Chiba Prefecture
  • The East Japan Technical Center is scheduled to start operations in 2022.

  • The Tokyo Branch will begin operations at the following temporary office on June 21, 2021.
  • Temporary Office:
  • Arca Central 14th Floor, 1-2-1 Kinshi, Sumida-ku, Tokyo 130-0013 JAPAN
  • phone
  • facsimile
  • ※No change in Phone and Fax numbers.
Sapporo Sales Office
North Kanto Sales Office
Sendai Sales Office

Central Japan Engineering Sales Dept.  |    Chubu Region, Tokai Region, Ishikawa Prefecture, Toyama Prefecture

Nagoya Branch Office
Hamamatsu Liaison Office
Shizuoka Liaison Office
Kanazawa Sales Office

West Japan Engineering Sales Dept.  |    Kinki, Chugoku, Shikoku

Osaka Head Office Sales Dept.
Shiga Sales Office
Okayama Sales Office

Kyushu Engineering Sales Dept.  |    Kyushu

Fukuoka Sales Dept.

Healthcare Team

Healthcare Team

Overseas Sales Dept.

Overseas Sales Engineering Dept.

Overseas Bases

Showadenki Thailand
Showa Denki Korea
Showa Denki Taiwan
Showa Denki Mexico


SDG-Marine Yokotonegawa Branch
SDG-Marine Biwako Shop
SDG-Marine Takashima Shop(Showa Denki Shiga Co., Ltd.)
  • 951 Adogawachō Tanaka, Takashima City, Shiga Prefecture 520-1217
  • If you have any inquiry please contact the SDG-Marine Biwako shop.