Top Energy and Wastewater Treatment Companies in India

Last updated: August 15, 2025 Country: India Industry: Technology & Telecom Companies listed: 20

This B2B directory page highlights 20 companies in India within the Technology & Telecom sector, helping you identify relevant suppliers, partners, and service providers faster.

Top Water Treatment Companies in India

Water treatment is essential in India, where rapid urbanization and industrial growth demand reliable solutions for clean water. Discover trusted local providers offering everything from filtration to wastewater management.

Why Water Treatment Matters in India

Water treatment ensures safe drinking water and efficient wastewater management, critical in a country facing pollution and scarcity. From residential RO systems to large-scale industrial plants, proper treatment protects health and the environment.

India’s diverse climate and infrastructure require tailored solutions. Coastal areas battle salinity, while industrial zones need heavy-metal removal. Look for companies with certifications like ISO or CPCB approval, experience with local water challenges, and prompt service during monsoon-related disruptions.

  • Thermax Limited – A leader in water and wastewater solutions since 1966, Thermax provides customized treatment plants for industries and municipalities. Recognized for energy-efficient technologies and ISO 9001 certification.
    Website: www.thermaxglobal.com
    Contact: (020) 6609 9999, info@thermaxglobal.com
    Address: Thermax House, Pune, Maharashtra 411019
  • VA Tech Wabag Ltd – Serving India since 1924, Wabag specializes in desalination and sewage treatment, with projects like Chennai’s Nemmeli Plant. Awarded “Best Water Company” at Global Water Awards.
    Website: www.wabag.com
    Contact: (044) 6634 4000, info@wabag.com
    Address: Wabag House, Chennai, Tamil Nadu 600096
  • ION Exchange India Ltd – Offers comprehensive solutions from household filters to zero-liquid-discharge systems. Trusted by 5 million homes, with 60+ years of expertise in hard water treatment.
    Website: www.ionindia.com
    Contact: (022) 6693 7000, ion@ionindia.com
    Address: TEC House, Mumbai, Maharashtra 400093
  • Doshion Veolia Water Solutions – Joint venture providing advanced membrane technologies for industries and smart cities. Known for projects like Gujarat’s 100 MLD RO plant.
    Website: www.doshion.com
    Contact: (079) 4024 3400, enquiry@doshion.com
    Address: Doshion House, Ahmedabad, Gujarat 380054
  • SPML Infra Limited – Specializes in large-scale municipal water supply and sewage networks, including Delhi’s Yamuna Action Plan. Over 40 years of experience in turnkey projects.
    Website: www.spml.co.in
    Contact: (080) 4171 0100, info@spml.co.in
    Address: Bengaluru, Karnataka 560027
  • Triveni Engineering – Provides sugar-industry effluent treatment and compact plants for rural areas. Notable for low-maintenance designs suited to India’s villages.
    Website: www.triveniwater.com
    Contact: (120) 405 9300, water@triveni.com
    Address: Noida, Uttar Pradesh 201301
  • Larsen & Toubro – L&T’s water business handles mega-projects like Mumbai’s Surya Regional Water Supply Scheme. Praised for AI-driven leak detection systems.
    Website: www.lntwater.com
    Contact: (022) 6752 5656, water@larsentoubro.com
    Address: L&T House, Mumbai, Maharashtra 400072
  • Eureka Forbes – Popular in India for Aquaguard home purifiers since 1982. Offers free water testing and IoT-enabled devices with real-time monitoring.
    Website: www.eurekaforbes.com
    Contact: (022) 7123 1234, care@eurekaforbes.com
    Address: Forbes Building, Mumbai, Maharashtra 400025
  • Netsol Water Solutions – Focuses on packaged sewage treatment plants for apartments and hospitals. Rated 4.8/5 on Google for 24/7 emergency service in Delhi-NCR.
    Website: www.netsolwater.com
    Contact: (91) 9650 608 888, info@netsolwater.com
    Address: Greater Noida, Uttar Pradesh 201310
  • Kelvin Water Technologies – Specializes in arsenic and fluoride removal systems for groundwater. Installed 500+ community plants across Rajasthan and West Bengal.
    Website: www.kelvinindia.com
    Contact: (11) 4100 1515, sales@kelvinindia.com
    Address: New Delhi, Delhi 110020
  • Hindustan Dorr-Oliver – Provides evaporators and zero-liquid-discharge systems for chemical and pharma industries. Over 75 years of experience in complex effluent challenges.
    Website: www.hindol.com
    Contact: (22) 6665 8200, info@hindol.com
    Address: Mumbai, Maharashtra 400093
  • Aquatech Systems Asia – Known for high-recovery RO systems in textile and power sectors. Completed Asia’s largest textile effluent recycling plant in Tamil Nadu.
    Website: www.aquatech.com
    Contact: (20) 6631 1000, asia@aquatech.com
    Address: Pune, Maharashtra 411057
  • IVRCL Infra – Handles urban water distribution projects, including Hyderabad’s Krishna Drinking Water Scheme. Uses GIS mapping for pipeline efficiency.
    Website: www.ivrcl.com
    Contact: (40) 2340 0101, info@ivrcl.com
    Address: Hyderabad, Telangana 500082
  • Essel Infraprojects – Manages PPP water supply projects like Nagpur’s 24×7 scheme. Offers smart metering solutions to reduce non-revenue water.
    Website: www.esselinfra.com
    Contact: (22) 6645 8000, infra@esselgroup.com
    Address: Mumbai, Maharashtra 400093
  • Jain Irrigation Systems – Integrates water treatment with drip irrigation for farms. Runs the “Jal Jagruti” initiative promoting water literacy in rural India.
    Website: www.jains.com
    Contact: (0253) 221 6501, info@jains.com
    Address: Jalgaon, Maharashtra 425001
  • Hi-Tech Sweet Water Technologies – Focuses on cost-effective desalination for coastal communities. Installed solar-powered plants in Gujarat’s Kutch region.
    Website: www.hitechwater.com
    Contact: (79) 2640 3040, hitech@hitechwater.com
    Address: Ahmedabad, Gujarat 380015
  • Greenvironment India – Specializes in eco-friendly sewage treatment using constructed wetlands. Designed Bengaluru’s Jakkur Lake rejuvenation project.
    Website: www.greenvironment.in
    Contact: (80) 4168 9393, info@greenvironment.in
    Address: Bengaluru, Karnataka 560037
  • Primozone – Provides ozone-based disinfection for hospitals and food processing. Approved by FSSAI for pesticide removal in vegetables.
    Website: www.primozone.com
    Contact: (44) 4353 5353, india@primozone.com
    Address: Chennai, Tamil Nadu 600096
  • WaterHealth India – Operates decentralized water kiosks (“WaterHealth Centers”) serving 5 million people daily. Partners with state governments for rural access.
    Website: www.waterhealth.com
    Contact: (40) 4434 4444, india@waterhealth.com
    Address: Hyderabad, Telangana 500081
  • Swajal Water – Offers IoT-enabled water ATMs with real-time quality monitoring. Installed 300+ units across Delhi Metro stations and universities.
    Website: www.swajal.com
    Contact: (124) 438 3000, hello@swajal.com
    Address: Gurugram, Haryana 122002

Compare multiple providers to find the best fit for your water treatment needs.

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