Wastewater & Infrastructure

    EPC Water Treatment Companies

    EPC contractors delivering engineering, procurement, and construction of water and wastewater plants end-to-end.

    1 provider

    This page is a good fit if you need:

    • Acid Dosing Systems or Aerated Lagoons, MABR capabilities
    • Suppliers with agriculture sector experience
    • Providers operating in Indonesia

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    Ecosystems International logo

    Ecosystems International

    Verified
    Indonesia51-200 employees
    83 technologies6 regions

    PT Ecosystems International (PT ESI) was established at Jakarta on 21st November 2006. We are an industrial effluent treatment systems integrator specializing in electrocoagulation (EC), a unique waste water treatment profile. PT ESI has capabilities in designing complete waste water treatment solutions by combining various effluent treatment systems such as the electro-coagulation, biological, chemical processes and membrane filtration, offering its customers a wide and comprehensive range of solutions, tailored to suit their various needs – ranging from basic effluent treatment for discharge to effluent recycling for water reuse. The Company is experienced in handling the design, engineering, procurement, construction and operation of new Effluent Treatment Plants (“ETP”) and possesses expertise in retrofitting existing ETP to increase the flow rate and treatment capability without any major infrastructure increase PT ESI is also a premier waste water treatment service company specializing in handling waste water generated from Exploration (Drilling) and Produced Water. Customers in Indonesia include major Oil & Gas companies such as Pertamina, Exxon, Chevron, Petro-China and Medco. Operations in Indonesia are provided by both mobile and fixed units. At drill sites where waste-water recycling is required, PT ESI supplement these treatment units with skid mounted mobile Reverse Osmosis systems. The technologies and solutions employed by PT ESI are developed in-house and examples of these are its proprietary Trident™ Electro Contaminant Removal (“ECR”) system, the Stage Contaminant Removal (“SCR”) process and Mobile On-Site Waste-Water Treatment (“OWT”) units

    Reverse Osmosis (RO) Systems
    Ultrafiltration (UF) Systems
    Multi-media Filtration (MMF) Systems
    Nanofiltration (NF) Systems
    +62 more

    What to Know Before Hiring a EPC Water Treatment Provider

    EPC Water Treatment Companies serve a wide range of sectors including industrial manufacturing, municipal utilities, energy production, food & beverage, and mining. Whether your project requires a full turnkey system or targeted engineering services such as design, commissioning, or ongoing operations, selecting the right provider early reduces project risk and long-term operating costs.

    When evaluating epc water treatment companies, look beyond the company listing. Ask for case studies from projects in your specific industry vertical and verify technology certifications, compliance track record, and post-installation support capabilities. Providers with regional presence typically offer faster mobilization and stronger long-term service agreements.

    Aguato's directory gives you a structured starting point: filter by geography, technology, and industry experience to shortlist the most relevant epc water treatment companies. Review each profile's proof assets—certifications, datasheets, and project references—before reaching out. If you're ready to move forward, post your project on Aguato to receive structured proposals from pre-qualified suppliers matched to your requirements.

    Frequently Asked Questions

    How do I shortlist epc water treatment companies for my project?

    Start by filtering providers by geography and industry to match your project footprint. Then review technology coverage and proof assets—certifications, case studies, and datasheets—before contacting your shortlist. Providers with relevant industry experience and local references tend to deliver the most accurate proposals.

    What questions should I ask a epc water treatment provider before signing?

    Ask about experience with projects of similar scale and complexity in your industry, their technology certifications, O&M support terms, and mobilization timelines. Request references from comparable projects and clarify whether they handle procurement, installation, and commissioning in-house or via subcontractors.

    What should I compare across epc water treatment companies profiles?

    Compare service scope, technologies deployed, regions served, and visible proof assets such as certificates, datasheets, and case studies. These signals separate providers with real delivery history from generic directory listings. Also check company size and whether the profile has been claimed and verified.

    How does posting a project on Aguato help me find the right epc water treatment provider?

    When you post a project on Aguato, our matching engine surfaces providers whose capabilities, geography, and industry experience align with your requirements. You receive structured proposals you can compare side by side, which is faster than sourcing providers individually and reduces the risk of misaligned proposals.

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