## Major Business Activities ### For Municipalities - Operation and maintenance of water and wastewater treatment plants - EPC (Engineering, Procurement, and Construction) for water and wastewater treatment plants - Operation and maintenance of water pipelines, leakage detection - Customer services (meter reading, fee collection, etc.) and system development for water and gas utilities - Energy conservation and renewable energy - Plastic recycling ### For Industries - Operation and maintenance of water treatment facilities - EPC (Engineering, Procurement, and Construction) for water treatment facilities - Comprehensive environmental management (water, energy, utilities) - Technical services and environmental analysis for water treatment facilities in factories and commercial facilities - Energy conservation and renewable energy - Plastic recycling ## List of Companies [ ![ヴェオリア・ジャパン合同会社などのオフィスビル](/sites/g/files/dvc2651/files/styles/media/public/image/2026/02/group-company_yokoso.png.webp?itok=zeejfneP) ](/en/company/outline)[Veolia Japan GK](/en/company/outline) ### [Veolia Japan GK](/en/company/outline) The holding company overseeing Veolia Group’s operations in Japan, providing centralized back-office functions for the headquarters and all affiliates. [ ![ヴェオリア・ジャパン合同会社などのオフィスビル](/sites/g/files/dvc2651/files/styles/media/public/image/2026/02/group-company_yokoso.png.webp?itok=zeejfneP) ](/en/company/outline)[Veolia Jenets K.K.](/en/company/outline) ### [Veolia Jenets K.K.](/en/company/outline) Responsible for Veolia Group’s business operations in Japan, delivering comprehensive services across the water, waste, and energy sectors. ### Major Companies ### WATER [ ![株式会社エコロジーフォース](/sites/g/files/dvc2651/files/styles/media/public/image/2026/03/group-company_ecologyforce.png.webp?itok=5_c2ka01) ](https://www.ecologyforce.co.jp/)[K.K. Ecology Force](https://www.ecologyforce.co.jp/) ### [K.K. Ecology Force](https://www.ecologyforce.co.jp/) Specializing in water, sewerage, and environmental sanitation facilities, providing O&M (operation and maintenance) services primarily in Saitama Prefecture. [ ![ヴェオリア・ジャパン合同会社などのオフィスビル](/sites/g/files/dvc2651/files/styles/media/public/image/2026/02/group-company_yokoso.png.webp?itok=zeejfneP) ](https://www.nishihara.co.jp/)[Nishihara Environment Co., Ltd.](https://www.nishihara.co.jp/) ### [Nishihara Environment Co., Ltd.](https://www.nishihara.co.jp/) A comprehensive engineering firm providing integrated design, construction, and maintenance services for water and environmental treatment plants. [ ![株式会社西原環境おきなわ外観](/sites/g/files/dvc2651/files/styles/media/public/image/2026/02/group-company_nishiharaokinawa_1.png.webp?itok=02C_Xvsa) ](https://nishihara-environment-okinawa.jp/)[Nishihara Environment Okinawa K.K.](https://nishihara-environment-okinawa.jp/) ### [Nishihara Environment Okinawa K.K.](https://nishihara-environment-okinawa.jp/) Providing specialized design, construction, and maintenance services for water and environmental treatment plants within Okinawa Prefecture. [ ![株式会社ニチジョー](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_nichijo_0.png.webp?itok=zxJ6MahH) ](https://www.nichijo-inc.co.jp/)[Nichijo Co., Ltd.](https://www.nichijo-inc.co.jp/) ### [Nichijo Co., Ltd.](https://www.nichijo-inc.co.jp/) Providing operation and maintenance services for water and sewerage facilities, with a strong focus on the Kansai region. [ ![日本浄水管理株式会社](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_njk.png.webp?itok=BdkWsYdL) ](https://n-josui.co.jp/)[Nihon Josui Kanri K.K.](https://n-josui.co.jp/) ### [Nihon Josui Kanri K.K.](https://n-josui.co.jp/) Providing operation and maintenance services for water and sewerage facilities, with a strong focus on the Kyushu region. [ ![ヴェオリア・ジャパン合同会社などのオフィスビル](/sites/g/files/dvc2651/files/styles/media/public/image/2026/02/group-company_yokoso.png.webp?itok=zeejfneP) ](https://fuji-si.co.jp/)[Fuji Subsurface Information Co., Ltd.](https://fuji-si.co.jp/) ### [Fuji Subsurface Information Co., Ltd.](https://fuji-si.co.jp/) Supporting water infrastructure through leak detection, pipeline diagnostics, and GIS mapping/digitalized asset management. ### WASTE [ ![株式会社エコスファクトリー](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_ecosfactory_0.png.webp?itok=nrxoFDd9) ](http://www.ecosfactory.jp/)[Ecos Factory Inc.](http://www.ecosfactory.jp/) ### [Ecos Factory Inc.](http://www.ecosfactory.jp/) Located in Saitama Prefecture, specializing in the recycling of plastic containers and packaging. [ ![株式会社グリーンループ](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_green-loop.png.webp?itok=sgLCwvZD) ](http://www.greenloop.jp/)[Green Loop Inc.](http://www.greenloop.jp/) ### [Green Loop Inc.](http://www.greenloop.jp/) Located in Shizuoka Prefecture, specializing in the recycling of plastic containers and packaging. [ ![株式会社サーキュラーペット](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_circular-pet.png.webp?itok=Dq9Vw7Aq) ](https://cpet.co.jp/)[Circular Pet Co., Ltd.](https://cpet.co.jp/) ### [Circular Pet Co., Ltd.](https://cpet.co.jp/) Located in Okayama Prefecture, dedicated to "Bottle-to-Bottle" recycling of used PET bottles. [ ![青木環境事業株式会社](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_aoki.png.webp?itok=HOfQ-t6Y) ](https://aokikankyo.com/)[Aoki Environment Enterprise Co., Ltd.](https://aokikankyo.com/) ### [Aoki Environment Enterprise Co., Ltd.](https://aokikankyo.com/) Based in Niigata Prefecture, providing collection, transportation, intermediate treatment, and recycling services for industrial waste. [ ![株式会社太洋サービス](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_taiyo-service.png.webp?itok=iDV4tqPG) ](https://www.taiyo-ser.com/)[Taiyo Service Inc.](https://www.taiyo-ser.com/) ### [Taiyo Service Inc.](https://www.taiyo-ser.com/) Based in Shizuoka Prefecture, providing collection, transportation, intermediate treatment, and recycling services for industrial waste. [ ![ジークライト株式会社](/sites/g/files/dvc2651/files/styles/media/public/image/2026/04/group-company_zeeklite.png.webp?itok=dPlSLpBZ) ](https://www.zeeklite.co.jp/)[Zeeklite Co., Ltd.](https://www.zeeklite.co.jp/) ### [Zeeklite Co., Ltd.](https://www.zeeklite.co.jp/) Located in Yamagata Prefecture, operating final disposal sites for general and industrial waste. ### ENERGY ![五井コーストエナジー株式会社](/sites/g/files/dvc2651/files/styles/media/public/image/2026/01/group-company_gce.png.webp?itok=uXJD9CGJ) Goi Coast Energy Co., Ltd. ### Goi Coast Energy Co., Ltd. Based in Ichihara, Chiba, producing electricity and steam through LNG-fueled cogeneration systems. ※No official website available [ ![日本環境クリアー株式会社](/sites/g/files/dvc2651/files/styles/media/public/image/2026/03/group-company_jec.png.webp?itok=DvA_PraD) ](https://www.jecweb.co.jp/)[Japan Environment Clear K.K.](https://www.jecweb.co.jp/) ### [Japan Environment Clear K.K.](https://www.jecweb.co.jp/) Providing integrated facility management, including building maintenance, electrical safety services, and energy facility operations. ![ヴェオリア・ジャパン合同会社などのオフィスビル](/sites/g/files/dvc2651/files/styles/media/public/image/2026/02/group-company_yokoso.png.webp?itok=zeejfneP) K.K. V T ENERGY MANAGEMENT ### K.K. V T ENERGY MANAGEMENT Providing specialized operation and maintenance (O&M) services for wood biomass power plants. ※No official website available