Company Information｜Cosmo System Co., Ltd. | Telecommunications Buildings, SPDs, FRP, Lightning Protection, Construction

Company Overview

Company Name	Cosmo System Co., Ltd.
Established	December 1990
Location Name	Sendai Head Office (registered) 2-4-2, Morisekinoshita, Natori-shi, Miyagi 981-1227, Japan Production and Development Center 1-8-25 Moriseki-shita, Natori City, Miyagi, 981-1227 Tokyo Headquarters Daini Azuma Bldg., 3-18-21 Shibaura,Minato-ku, Tokyo 108-0023, Japan Nagoya Branch Denpa Gakuen Kanayama Daiichi Bldg., 1-7-5, Kanayama-machi, Atsuta-ku, Nagoya-shi, Aichi 456-0002, Japan Osaka Branch Daisho Bldg., 1-12-28, Esaka-cho, Suita-shi, Osaka 564-0063, Japan Hiroshima Branch Gojinsha Hiroshima Otemachi Bldg., 2-8-5, Otemachi, Naka-ku, Hiroshima-shi, Hiroshima 730-0051, Japan Fukuoka Branch Dai-Juroku Okabe Bldg., 8-27 Hakataeki Chuo-gai, Hakata-ku, Fukuoka-shi, Fukuoka 812-0012, Japan Niigata Office Ishizu Bldg., 1-10-10, Tenjin-o, Chuo-ku, Niigata-shi, Niigata 950-0905, Japan
Capital	100 million yen
Officers	Chairman & CEO Yoneo Akitaya President Yosuke Akitaya Executive Vice President Ichiro Aisu Senior Vice President Deputy General Manager, Systems Business Division Shinichi Hayashi
Employees	380 (group total)
Group Companies	Cosmo System Holdings Co., Ltd. Cosmo Engineering Co., Ltd.

Business Licenses

■ Construction Business

　Minister of Land, Infrastructure, Transport and Tourism (Special) No. 5 19622
　　Electrical Contracting Business、Telecommunications Contracting Business
　Minister of Land、Infrastructure, Transport and Tourism (Special) No. 4 19622
　　Civil Engineering、Building Construction、Carpentry、Scaffolding and Earthwork、
　　Masonry、Roofing,Piping、Tile, Brick, and Block Work、
　　Steel Structure Construction、
　　Paving、Painting,Interior Finishing、
　　Water Supply Facilities Construction

■ Class 1 Architectural Firm

Registration No. 22310235 by the Governor of Miyagi

■ Registered Radio Station Inspection Provider (Toshin No. 0036)

■ Ministry-Wide Unified Qualification Provider Code (0000080303)

■ ISO Certification

　●Certification Registration Number
　JP08/061156 (ISO 9001:2015)

Organization Chart

As of January 1, 2026

History

December 1990	Established in Taihaku Ward, Sendai City, as a design and construction company for telecommunications facilities, with capital of 70 million yen
January 1991	Began delivering construction projects for mobile communication base stations
February	Opened a Class 1 Architectural Office
November	Opened the Nagoya Branch
May 1993	Opened the Tokyo Branch (Tokyo Headquarters now)
April 2000	Opened the Osaka Branch
June	Obtained ISO 9001 certification
June 2001	Began sales of lightning protection systems
June 2002	Opened the Niigata Sales Office
January 2005	Opened the Fukuoka Branch
May 2009	Built new headquarters building (Natori City, Miyagi Prefecture)
January 2011	Opened the Hiroshima Branch
February 2012	Began supplying GFRP products to NEXCO companies
September 2017	Built new Production and Development Center (Natori City, Miyagi Prefecture)
September 2021	Relocated Tokyo Headquarters (Shibaura, Minato Ward)