About

COMPANY

Company Profile

Date of Foundation
December 24th, 1978
Main Lines of Business
● Design and construction of landscape gardens; civil engineering and construction projects ● Design and construction of EPS and MCB work (slope reinforcement using expanded polystyrene) ● Environmental maintenance and management of green spaces and public facilities ● Design and construction of wall and rooftop greening projects; production and sale of landscape gardening trees, tropical trees, and ornamental trees ● Worker dispatch; self-service laundry management
Capital
30 million yen
Main Banks
Kiraboshi Bank (Gakugeidaigaku Ekimae Branch) Mizuho Bank (Jiyugaoka Branch) MUFG Bank (Meguro Branch) and others
Company Location
●Head Office:
4-14-17 Megurohoncho, Meguro-ku, Tokyo, 152-0002, Japan
TEL: +81-3-5722-4128 FAX: +81-3-5722-2811

●Hachijojima Branch:
7725 Okago, Hachijo-cho, Hachijojima, Tokyo, 100-1401, Japan
TEL: +81-4996-9-5970 FAX: +81-4996-9-5971
Executives
Chairperson / Naotake Nishihama
President / Toshitaka Sugimura
Director / Toshiro Kojima, Yasuhiko Sugimura, Kazuhiro Mizunuma, Daisuke Nishihama, Sumio Nakamura
License and Registration
● Tokyo Metropolitan Governor License Special Construction Business License (Special-1) No. 28114
Landscaping and Gardening, Civil Engineering, Architecture and Construction, Paving, Steel Structure,
Waterproofing, Carpentry, Plastering, Roofing, Steel Reinforcement, Scaffolding, Excavation, Plumbing, Dredging, Tiling, Roof Tiling and Block Laying, Glazing, Interior Finishing, Heat Insulation, Cabinetmaking, Sheet Metal

● Tokyo Metropolitan Governor License / Specially-Controlled Industrial Waste Transport Business No. 13-54-124164 (Date of License: July 31, 2021)

● Tokyo Metropolitan Governor License / Industrial Waste Transport Business No. 13-00-124164 (Date of License: January 16, 2021)

●Worker Dispatching Undertakings License / No. Dispatch 13-312123 (Date of License: January 1, 2019)
Technicians
(number of qualified personnel in our company)
First Class Landscape Gardening Work Operation and Management Engineer/ 6 people, Second Class Landscape Gardening Work Operation and Management Engineer/ 2 people, First Class Engineer Operation and Management Engineer/ 4 people, Second Class Engineer Operation and Management Engineer/ 3 people, Specially Controlled Industrial Waste Manager/ 2 people, Operations Chief of Specified Chemical Substances/ 2 people, First Class Building Operation and Management Engineer/ 4 people, Second Class Building Operation and Management Engineer/ 2 people
Main Customers
Tokyo Metropolitan, Okasan Livic Co., Ltd., Meguro City Office Complex, Okasan Civil Co., Ltd., Tokyo Metropolitan Park Association, Ikegami Honmon-ji, Faith Network Co., Ltd., Mitani Sangyo Co., Ltd., Kaga Technoservice Co., Ltd. (listed in no particular order)

Organizational Chart

History

April
Naotake Nishihama (current chairperson) starts a landscape gardening business
December
1973
Ocean Green Garden Co., Ltd. is established with a capital of 2 million yen
November
1984
The capital is increased to 4 million yen
May
1991
The capital is increased to 20 million yen
August
1996
Adopts the EPS construction method
April
1998
The capital is increased to 30 million yen
January
2003
The Company name is changed to Ocean Co., Ltd.
Toshitaka Sugimura becomes president
Naotake Nishihama becomes chairperson
May
2012
The Hachijojima Branch is established in Hachijojima, Tokyo
February
2014
The company is relocated to its current location
April
2015
Begin accepting foreign technical interns
October
2016
Ocean seminar is started at Danang Architecture University
August
2018
Opens a self-service laundry in Hachijojima, Tokyo
February
2020
Obtains a patent for our Credit Assessment Material Provision System (Construction Industry Japanese Patent No. 6651173)

Access

4-14-17 Megurohoncho, Meguro-ku, Tokyo, 152-0002, Japan