Environmental Data

Status of Environmental Management System Certification Acquisition

The Kubota Group has achieved ISO 14001 certification at all of its production sites in Japan. Kubota is currently introducing activities to expand ISO 14001 certification approval at its production sites overseas; one Saudi Arabia site acquired the certification in 2016 and one French site in 2017. The certificated sites are now preparing for the transition to certification according to the standard's revision 2015.

ISO 14001 Certification

Kubota Corporation in Japan

No Name Other Organizations and Subsidiaries Included Main Business Inspecting/Certifying Organization Date of Certification
1 Tsukuba Plant
  • Eastern Main Parts Center
  • Eastern Technical Training Center Tsukuba Service G
  • Kanto Kubota Precision Machinery Co., Ltd.
Engines, tractors, etc. LRQA November 28, 1997
2 Keiyo Plant
  • Distribution Center
Ductile iron pipe, spiral welded steel pipe LRQA July 16, 1998
3 Ryugasaki Plant
  • KUBOTA Vending Service Co., Ltd. Ryugasaki Plant
  • KUBOTA Kanto Vender Center Inc. Ryugasaki Plant
Vending machines DNV November 13, 1998
4 Hanshin Plant
  • Marushima Factory
Ductile iron pipe, spiral welded steel pipe, rolling-mill roll, TXAX LRQA March 5, 1999
5 Kyuhoji Business Center
  • Kubota Environmental Service Co., Ltd.
  • KUBOTA Membrane Corp.
  • KUBOTA Keiso Corp.
Measuring instruments, measuring systems, rice-milling products, waste shredder systems, submerged membranes, and mold temperature controllers DNV March 19, 1999
6 Hirakata Plant   Valves, cast steel, new ceramic materials, and construction machinery LRQA September 17, 1999
7 Okajima Business Center   Industrial cast iron products, drainage pipes, and other cast iron products JICQA December 22, 1999
8 Sakai Plant/Sakai Rinkai Plant manufacturing department   Engines, tractors, small-size construction machinery, etc. LRQA March 10, 2000
9 Shiga Plant   FRP products JUSE May 18, 2000
10 Water Engineering & Solution Business Unit
  • Shin-yodogawa Environmental Plant Center
Sewage and sludge water purification, wastewater treatment facilities ICJ July 14, 2000
11 Pumps Business Unit
  • KUBOTA Kiko Ltd.
Sewage and water purification plants, pumps and pump stations LRQA July 14, 2000
12 Utsunomiya Plant
  • Eastern Technical Training Center Utsunomiya Service G
Rice transplanters and combine harvesters LRQA December 8, 2000

Kubota Group: Companies in Japan

No Name Other Organizations and Subsidiaries Included Main Business Inspecting/Certifying Organization Date of Certification
1 Nippon Plastic Industry Co., Ltd.
  • Head office and plant, Mino Plant
Plastic pipes, plastic sheets, etc. JSA October 27, 2000
2 Kubota Construction Co., Ltd.   Design and construction of civil engineering structures and buildings JQA December 22, 2000
3 Kubota Environmental Service Co., Ltd.   Installation, maintenance and management of environmental systems for service water, sewage, landfill disposal, raw waste and waste plants, etc. MSA November 20, 2002
4 Kubota ChemiX Co., Ltd.
  • Tochigi Plant
Plastic pipes and couplings JUSE March 27, 2003
(integrated authentication in 2011)
  • Sakai Plant
  • Odawara Plant
  • Kyushu KUBOTA Chemical Co., Ltd.
5 KUBOTA Air Conditioner Co., Ltd.
  • Tochigi Plant
Central air conditioning systems JQA August 27, 2004
6 KUBOTA Precision Machinery Co., Ltd.   Hydraulic valves, hydraulic cylinders, transmissions, hydraulic pumps, hydraulic motors, etc. LRQA March 17, 2007
7 KUBOTA KASUI Corporation   Design, construction and maintenance management of environmental conservation facilities BCJ February 1, 2010
8 Kansouken Inc.   Package software supporting water business JCQA April 14, 2014

Kubota Group: Overseas companies

No Name Main Business Inspecting/Certifying Organization Date of Certification
1 SIAM KUBOTA Corporation Co.,Ltd.[Headquarters](Thailand) Small diesel engines and agricultural machinery MASCI February 28, 2003
2 P.T. Kubota Indonesia (Indonesia) Diesel engines and agricultural machinery LRQA February 10, 2006
3 Kubota Materials Canada Corporation (Canada) Cast steel products, TXAX SGS (U.S.) June 15, 2006
4 P.T. Metec Semarang (Indonesia) Vending machines TÜV March 16, 2011
5 KUBOTA Precision Machinery (Thailand) Co.,Ltd. (Thailand) Equipment for tractors LRQA August 5, 2015
6 Kubota Manufacturing of America Corporation (U.S.)
(including Kubota Industrial Equipment Corporation (U.S.))
Small-sized tractors, mowers, utility vehicles and tractor accessories BSI September 20, 2012
(integrated in 2015)
7 SIAM KUBOTA Corporation Co., Ltd.[Amata Nakorn](Thailand) Tractors and combine harvesters BV September 27, 2012
8 ATEC Instrument and Chemical Co., Ltd. (Vietnam) Chemical agents for water treatment BSI January 18, 2013
9 KUBOTA SANLIAN PUMP (ANHUI) Co., Ltd. (China) Pumps CCSCC May 29, 2013
10 Kubota Agricultural Machinery (SUZHOU) Co., Ltd. (China) Combine harvesters, rice transplanters and tractors SGS November 13, 2013
11 Kubota Construction Machinery (WUXI) Co., Ltd. Construction machinery CQC December 11, 2014
12 SIAM KUBOTA Metal Technology Co., Ltd. (Thailand) Cast iron products for engines and tractors BV December 19, 2014
13 Kubota Engine (WUXI) Co ., Ltd. (China) Diesel engines SGS March 22, 2015
14 KUBOTA Engine(Thailand) Co., Ltd. (Thailand) Diesel engines LRQA July 3, 2015
15 Kubota Saudi Arabia Company, LLC (Saudi Arabia) Cast steel products TÜV September 30, 2016
16 Kubota Farm Machinery Europe S.A.S (France) Tractors BV (France) February 20, 2017
Lloyd's Register Quality Assurance Limited (U.K.)
DNV Certification B.V. (Netherlands)
Union of Japanese Scientists and Engineers ISO Center
JIC Quality Assurance Ltd. (Japan)
Japanese Standards Association
Japan Quality Assurance Organization
Management System Assessment Center (Japan)
The Building Center of Japan
Japan Chemical Quality Assurance Ltd
Management System Certification Institute (Thailand)
SGS (U.S.):
Systems & Services Certification,a Division of SGS North America Inc. (U.S.)
TÜV Rheinland Cert GmbH (Germany)
SGS United Kingdom Limited (U.K.)
BSI Assurance UK Limited (U.K.)
Bureau Veritas Certification Holding SAS - UK Branch (U.K.)
China Classification Society Certification Company (China)
China Quality Certification Centre (China)
Bureau Veritas Certification France (France)

EMAS certification

Kubota Group: Overseas companies

No Name Main Business Inspecting/Certifying Organization Date of Certification
1 Kubota Baumaschinen GmbH (Germany) Construction machinery IHK January 3, 2013
Industrie- und Handelskammer fur die Pfalz (Germany)

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