Company Profile

Our company conducts the following business in the southern part of Fukuoka prefecture (Chikugo district). 1) We have set a goal to actively recycle inorganic waste. 2) We improve the soil discharged from the construction site, carry out processing to make it reusable soil, and are shipping it as modified soil. 3) We carry out intermediate treatment (crushing) of debris (fragments of concrete, asphalt, brick, roof tile etc., stone etc) and are shipping it as recycled crushed stone or regenerated sand. 4) We carry out intermediate treatment (chemical solidification) of inorganic sludge, burning ash, soot and dust, and are shipping it as recycled sand. 5) In addition, we operates quarrying industry, producing and selling crushed stone for concrete and road.
On the occasion of 24th year of establishment, we changed the company name from Ohtsubo-Saiseki Co., Ltd. to Ohtsubo GSI Co., Ltd. on June 1, 2011.
The new company name "GSI " uses the acronyms of green, silver, ideal respectively. We introduced the idea of "We would like to continue to be a company that we can properly deal with" in the environmental society (G: green) and the aging society (S: silver).

Company Profile
Trade Name Ohtsubo GSI Co., Ltd.
President Takahiro Ohtsubo (Mr.)
Establishment  January, 1988
 Name changed on June, 2011  
Capital 35 million yen
Employee 54
Fiscal Term May 31

 Business Description and location

 Access Map
Workshop
Workshop (January, 2019) : We hold workshops such as safety management three times a year.

Business description and location

Head office
416 Tokumasu, Yamato, Yanagawa-City, Fukuoka,
839-0241 JAPAN
E-mail: mail@ogsic.jp
Phone: +81-944-74-6811 Fax: +81-944-74-6812
Financial Management Office Accounting, labor, general affairs
Planning and Sales Section
Planning, sales, customer management, billing etc.
 Quality control of our products
 Research on development of new products
Transportation Section
General freight car transportation
Industrial waste collection and transport
416 Tokumasu, Yamato, Yanagawa-City, Fukuoka,
839-0241 JAPAN
Phone: +81-944-73-7070 Fax: +81-944-73-7073
Construction Works Section
Various construction
Construction work of the Best-Drain for agricalture
 Yamakawa Recycling Plant 
Producing waste materials recycling products
Producing improvement soil using construction waste soil
1438 Kawarauchi, Yamakawa, Miyama-City, Fukuoka,
835-0104 JAPAN
Phone: +81-944-67-0443 Fax: +81-944-67-0883
 Glass recycling Plant
Producing waste glass recycling products
  (Foamed Glass)
1440 Kawarauchi, Yamakawa, Miyama-City, Fukuoka,
835-0104 JAPAN
Phone: +81-944-67-0894 Fax: +81-944-67-0883
 Yanagawa Recycling Plant
Producing waste materials recycling products
Producing inorganic sludge recycling products
345-1 Tawaki, Yanagawa-City, Fukuoka,
832-0089 JAPAN
Phone: +81-944-74-3360 Fax: +81-944-74-3434
 Tachibana Crushed Stone Plant
Producing crushed stone
Producing waste materials recycling products
5150 Kamihebaru, Tachibana, Yame-City, Fukuoka,
834-0083 JAPAN
Phone: +81-943-36-0139 Fax: +81-943-36-0130
 Mitsuhashi Plant
Producing waste gypsum recycling products
  (Ecocal)
288-1 Gojuchou, Mitsuhashi, Yanagawa-City, Fukuoka,
832-0812 JAPAN
 Hirokawa-Aoishi Mining Spot
Mining of the Hirokawa-Aoishi (light-green stone)
4236-1 Mizuhara, Hirokawa-Town, Fukuoka,
834-0102 JAPAN
Yamato Products Stockyard
850 Sakae, Yamato, Yanagawa-City, Fukuoka,
839-0252 JAPAN
Phone: +81-944-76-5620 Fax: +81-944-76-5620

Access Map


Head Office : Tokumasu, Yamato, Yanagawa-City, Fukuoka
Yanagawa Recycling Plant : Tawaki, Yanagawa-City, Fukuoka
Mitsuhashi Plant : Mituhashi, Yanagawa-City, Fukuoka
Yamato Products Stockyard : Sakae, Yamato, Yanagawa-City, Fukuoka
 
Hirokawa-Aoishi Mining Spot : Mizuhara, Hirikawa-Town, Fukuoka
Yamakawa Recycling Plant : Kawarauchi, Yamakawa, Miyama-City, Fukuoka
Glass Recycling Plant : Kawarauchi, Yamakawa, Miyama-City, Fukuoka
Tachibana Crushed Stone Plant: Kamihebaru, Tachibana, Yame-City, Fukuoka

 Ohtsubo GSI Co., Ltd.