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Regarding the excellent certification system for industrial waste disposal contractors

Last Updated November 5, 2024

Excellent logo

This is a system in which prefectures and government-designated cities examines and certifies excellent industrial waste disposal companies that conform to the "Standards for Persons with Excellent Capability and Achievements (Excellent Standards)" regarding the implementation of the industrial waste disposal business.

This system was established based on the revision of the Waste Management Law in 2010, and started operation in April 2011, the date of enforcement of the law.


Operation manuals, etc.

If you are going to apply for conformity with excellent standards, please refer to the “Manual Q & A Collection” issued by the Ministry of the Environment, “Manual Q & A Collection”.

Operation manuals, etc. (link to the Ministry of the Environment web page) (external site)

pdfInformation Disclosure required documents (PDF: 105KB)
Administrative processing guidelines (PDF: 260KB) pertaining to the certification of conformity with excellent standards stipulated in the Law Enforcement Order on Waste Disposal and Cleaning

Forms, etc.

wordA document that pledges to comply with legal compliance standards (Pledge) (word: 17KB) (No. 1 style)

List of Excellent Certified Companies

(As of November 1, 2024: 49 cases in total of 27 companies)

List of Excellent Certified Companies
-Name or NameHeadquarters AddressDate of permission and certificationValid date of permissionPermission numberWeb page address where public information can be viewed
1 Industrial waste collection and transportation
1Toshiba Environmental Solutions Co., Ltd.20-1, Kanseicho, Tsurumi-ku, Yokohama-shi, KanagawaNovember 1, 2023October 31, 203005610000343Industrial Waste Information Net (Applicable page) (External site)
2(Yes) Iimori Store12-14, Torihamacho, Kanazawa-ku, Yokohama-shi, KanagawaSeptember 1, 2021August 31, 202805610000198Iimori Shoten website (outside site)
3Kimura Kanko Co., Ltd.1120-1, Imaicho, Hodogaya-ku, Yokohama-shi, KanagawaApril 1, 2018March 31, 202505610001425Industrial Waste Information Net (Applicable page) (External site)
4J&T Environment Co., Ltd.3-1, Bentencho, Tsurumi-ku, Yokohama-shi, KanagawaApril 1, 2018March 31, 202505610004313Industrial Waste Information Net (Applicable page) (External site)
5Tokiwa Pharmaceutical Co., Ltd.376, Kamikawaicho, Asahi-ku, Yokohama-shi, KanagawaNovember 1, 2022October 31, 202905610003950Tokiwa Pharmaceutical Co., Ltd. website (outside site)
6Japan West Corporation21, Uozakihamamachi, Higashinada-ku, Kobe-shi, HyogoJanuary 1, 2021December 31, 202705610000503Industrial Waste Information Net (Applicable page) (External site)
7Daiei Environment Co., Ltd.2-3-28, Tekunosuteji, Izumi-shi, OsakaMay 1, 2022April 30, 202905600003203Industrial Waste Information Net (Applicable page) (External site)
8Kitajima Co., Ltd.2-3-1, Nakaze, Kawasaki-ku, Kawasaki-shi, KanagawaJuly 1, 2019June 30, 202605610018385Industrial Waste Information Net (Applicable page) (External site)
9Kosakae Shoji Co., Ltd.1-13-3, Fukuura, Kanazawa-ku, Yokohama-shi, KanagawaMay 1, 2020April 30, 202705610041190Industrial Waste Information Net (Applicable page) (External site)
10Hiraga Kogyosho Co., Ltd.1-17-3, Asahicho, Tsurumi-ku, Yokohama-shi, KanagawaJanuary 1, 2021December 31, 202705610003956Industrial Waste Information Net (Applicable page) (External site)
11Solita Transportation Co., Ltd.7-11, Ichibakamicho, Tsurumi-ku, Yokohama-shi, KanagawaFebruary 1, 2022January 31, 202905610007565Industrial Waste Information Net (Applicable page) (External site)
12Marutada Kenko Co., Ltd.2-13-7, Komaoka, Tsurumi-ku, Yokohama-shi, KanagawaAugust 1, 2024July 31, 203105610112494Industrial Waste Information Net (Applicable page) (External site)
2 Industrial Waste Disposal Business
1Daiseki Environmental Solutions Co., Ltd.1-86, Funamicho, Minato-ku, Nagoya-shi, AichiOctober 1, 2023September 30, 203005620068603Industrial Waste Information Net (Applicable page) (External site)
2Toshiba Environmental Solutions Co., Ltd.20-1, Kanseicho, Tsurumi-ku, Yokohama-shi, KanagawaNovember 1, 2021October 31, 202805620000343Industrial Waste Information Net (Applicable page) (External site)
3Kimura Kanko Co., Ltd.1120-1, Imaicho, Hodogaya-ku, Yokohama-shi, KanagawaApril 1, 2018March 31, 202505620001425Industrial Waste Information Net (Applicable page) (External site)
4Japan West Corporation21, Uozakihamamachi, Higashinada-ku, Kobe-shi, HyogoMay 1, 2022April 30, 202905620000503Industrial Waste Information Net (Applicable page) (External site)
5J&T Environment Co., Ltd.3-1, Bentencho, Tsurumi-ku, Yokohama-shi, KanagawaApril 1, 2018March 31, 202505620004313Industrial Waste Information Net (Applicable page) (External site)

6

Sanyu Plant Service Co., Ltd.1-8-21, Hashimotodai, Midori-ku, Sagamihara-shi, KanagawaJune 1, 2020May 31, 202705620000728Industrial Waste Information Net (Applicable page) (External site)
7Tokiwa Pharmaceutical Co., Ltd.376, Kamikawaicho, Asahi-ku, Yokohama-shi, KanagawaNovember 1, 2022October 31, 202905620003950Tokiwa Pharmaceutical Co., Ltd. website (outside site)
8(Yes) Iimori Store12-14, Torihamacho, Kanazawa-ku, Yokohama-shi, KanagawaAugust 1, 2020July 31, 202705620000198Iimori Shoten website (outside site)
9Takematsu Trading Co., Ltd.105, Yamashitacho, Naka-ku, Yokohama-shi, KanagawaDecember 1, 2020November 30, 202705620003456Industrial Waste Information Net (Applicable page) (External site)
10Ikeda Shoten Co., Ltd.2046-13-2 Kamikawai-cho, Asahi-ku, Yokohama-shi, KanagawaNovember 1, 2023October 31, 203005620020263Industrial Waste Information Net (Applicable page) (External site)
11Kitajima Co., Ltd.2-3-1, Nakaze, Kawasaki-ku, Kawasaki-shi, KanagawaMay 1, 2019

April 30, 2026

05620018385Industrial Waste Information Net (Applicable page) (External site)
12Synthia Co., Ltd.6-26-3, Minamioi, Shinagawa-ku, TokyoJuly 1, 2019June 30, 202605620003072Industrial Waste Information Net (Applicable page) (External site)
13Kanagawa Wood Energy Center Co., Ltd.1-15-43, Sachiura, Kanazawa-ku, Yokohama-shi, KanagawaNovember 1, 2019October 31, 202605620037642Industrial Waste Information Net (Applicable page) (External site)
14Idast Corporation1-3-8, Fukuura, Kanazawa-ku, Yokohama-shi, KanagawaMarch 1, 2020February 28, 202705620098885Idast Website (Outside Site)
15Kosakae Shoji Co., Ltd.1-13-3, Fukuura, Kanazawa-ku, Yokohama-shi, KanagawaMay 1, 2020April 30, 202705620041190Industrial Waste Information Net (Applicable page) (External site)
16SBS Instant Delivery Support Co., Ltd.1-5-29, Shinsuna, Koutou-ku, TokyoMay 1, 2020April 30, 202705620014605Industrial Waste Information Net (Applicable page) (External site)
17Mitsushima Sangyo Co., Ltd.4-10-11, Kuji, Takatsu-ku, Kawasaki-shi, KanagawaJune 1, 2021May 31, 202805620004318Industrial Waste Information Net (Applicable page) (External site)
18Hiraga Kogyosho Co., Ltd.1-17-3, Asahicho, Tsurumi-ku, Yokohama-shi, KanagawaAugust 1, 2021July 31, 202805620003956

Industrial Waste Information Net (Applicable page) (External site)

19Goon Co., Ltd.17-3, Torihamacho, Kanazawa-ku, Yokohama-shi, KanagawaSeptember 1, 2021August 31, 202805620104110Industrial Waste Information Net (Applicable page) (External site)
20Clean Giyapan Engineering Co., Ltd.148-1, Saedocho, Tsuzuki-ku, Yokohama-shi, KanagawaOctober 1, 2021September 30, 202805670005608Industrial Waste Information Net (Applicable page) (External site)
21Yokohama Bay Ascon Corporation27-1, Shinisogocho, Isogo-ku, Yokohama-shi, KanagawaDecember 1, 2021November 30, 202805620192173Industrial Waste Information Net (Applicable page) (External site)
22J Biofood Recycling Co., Ltd.3-1, Bentencho, Tsurumi-ku, Yokohama-shi, KanagawaMay 1, 2024April 30, 203105620202224Industrial Waste Information Net (Applicable page) (External site)
3 Specially managed industrial waste collection and transportation
1Toshiba Environmental Solutions Co., Ltd.20-1, Kanseicho, Tsurumi-ku, Yokohama-shi, KanagawaSeptember 1, 2021August 31, 202805660000343Industrial Waste Information Net (Applicable page) (External site)
2Eco-Wasplant Co., Ltd.22-10, Hirai, Hinode-machi, Nishitama-gun, TokyoApril 1, 2019March 31, 202605650072577Industrial Waste Information Net (Applicable page) (External site)
3Japan West Corporation21, Uozakihamamachi, Higashinada-ku, Kobe-shi, HyogoMay 1, 2022April 30, 201105660000503Industrial Waste Information Net (Applicable page) (External site)
4Tokiwa Pharmaceutical Co., Ltd.376, Kamikawaicho, Asahi-ku, Yokohama-shi, KanagawaJuly 15, 2020July 14, 202705660003950Tokiwa Pharmaceutical Co., Ltd. website (outside site)
5Chofu Cleaning Co., Ltd.5-8-1, Jindaijihigashimachi, Chofu-shi, TokyoNovember 1, 2024October 31, 203105650024029Industrial Waste Information Net (Applicable page) (External site)
6Daiei Environment Co., Ltd.2-3-28, Tekunosuteji, Izumi-shi, OsakaMay 1, 2022April 30, 202905650003203Industrial Waste Information Net (Applicable page) (External site)
7Kimura Kanko Co., Ltd.1120-1, Imaicho, Hodogaya-ku, Yokohama-shi, KanagawaMay 1, 2024April 30, 203105660001425Industrial Waste Information Net (Applicable page) (External site)
8Hiraga Kogyosho Co., Ltd.1-17-3, Asahicho, Tsurumi-ku, Yokohama-shi, KanagawaJanuary 1, 2021December 31, 202705660003956Industrial Waste Information Net (Applicable page) (External site)
9J&T Environment Co., Ltd.3-1, Bentencho, Tsurumi-ku, Yokohama-shi, KanagawaApril 1, 2021March 31, 202805660004313Industrial Waste Information Net (Applicable page) (External site)
4 Specially controlled industrial waste disposal business
1Clean Giyapan Engineering Co., Ltd.148-1, Saedocho, Tsuzuki-ku, Yokohama-shi, KanagawaSeptember 1, 2022August 31, 202905670005608Industrial Waste Information Net (Applicable page) (External site)
2Japan West Corporation21, Uozakihamamachi, Higashinada-ku, Kobe-shi, HyogoMay 1, 2022April 30, 202905670000503Industrial Waste Information Net (Applicable page) (External site)
3J&T Environment Co., Ltd.3-1, Bentencho, Tsurumi-ku, Yokohama-shi, KanagawaApril 1, 2018March 31, 202505670004313Industrial Waste Information Net (Applicable page) (External site)
4Sanyu Plant Service Co., Ltd.1-8-21, Hashimotodai, Midori-ku, Sagamihara-shi, KanagawaJune 1, 2020May 31, 202705670000728Industrial Waste Information Net (Applicable page) (External site)
5Tokiwa Pharmaceutical Co., Ltd.376, Kamikawaicho, Asahi-ku, Yokohama-shi, KanagawaJuly 15, 2020July 14, 202705670003950Tokiwa Pharmaceutical Co., Ltd. website (outside site)

6

Synthia Co., Ltd.6-26-3, Minamioi, Shinagawa-ku, TokyoJuly 1, 2019June 30, 202605670003072Industrial Waste Information Net (Applicable page) (External site)

Reference

Overview of the Excellence Certification System (outside site) (link to the Ministry of the Environment web page)

Industrial waste information net (outside site) (link to the web page of the Industrial Waste Management Business Promotion Foundation)

Excellent navigator(Searching system for excellent industrial waste disposal companies for waste disposal companies) (operated by the Industrial Waste Management Business Promotion Foundation)

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Inquiries to this page

Resources and Waste Recycling Bureau Business Waste Management Department Business Waste Management Section

Telephone: 045-671-2511

Telephone: 045-671-2511

Fax: 045-663-0125

Email address: sj-syorigyo@city.yokohama.jp

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Page ID: 633-763-815

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