🌿 Environmental Engineering & ESG

Engineering a Sustainable Future — Since 1996.

For three decades, EnSys has helped industry, healthcare and government protect India's air, water and soil — through turnkey environmental engineering, renewable energy and ESG consulting.

30+
Years of engineering
250+
Water & wastewater plants
650+
EIA & clearance projects
15,000+
Hospital beds served (BMW)
About EnSys

Three decades. One mission.

Protecting India's air, water and soil — through engineering that measurably works.

From a specialist practice in 1996 to a full-service environmental engineering group.

Incorporated in Tamil Nadu, EnSys Technologies (I) Pvt. Ltd. was founded on a simple conviction — that environmental compliance should be an engineered outcome, not paperwork. What began as a pollution-control practice has grown into a group with 250+ installed plants and a footprint across India, Singapore, Oman and Thailand.

Today the EnSys Group covers the full value chain — from consulting and design, through equipment supply and turnkey execution, to long-term operations and ESG reporting.

BARC-licensed bio-methanation US EPA compliant Indo-German cooperation Governor's Award (TN)
EnSys engineers at a water treatment facility

The Promise

Cleaner air. Cleaner water. Cleaner land. We commit to solutions that protect the environment while making commercial sense for our clients.

The Mission

To be an umbrella solution provider in environmental engineering and renewable energy — delivering holistic, sustainable systems for compliance, resource efficiency and climate action.

The Vision

To be a globally recognised leader in environmental consultancy and engineering, driving the transition to a circular economy.

What We Do

Six deep verticals. One accountable partner.

End-to-end environmental engineering — designed, built and commissioned by EnSys. Compliance and resource recovery, engineered.

Modern water treatment facility
💧

Water & Wastewater

ETPs, STPs and reuse systems from 5 KLD to 25 MLD.

  • Industrial ETPs (pharma, chemical, textile, auto)
  • STPs — ASP, MBBR, SBR & MBR
  • Zero Liquid Discharge (ZLD)
  • Prefab & skid-mounted plants
Industrial air pollution control system
🌫️

Air Pollution Control

Emission control across process, boiler & vent streams.

  • Flue Gas Desulphurization (FGD)
  • Wet & dry scrubbers
  • VOC recovery & adsorption
  • Odour abatement (bio-filters)
Solid waste sorting and recycling
♻️

Solid Waste Management

Waste-to-value systems for municipalities & industry.

  • Bio-methanation (BARC technology)
  • Biomining & bioremediation
  • Leachate management
  • Integrated MSW & WTE
Biomedical waste incinerator
🏥

Biomedical Waste

Compliant treatment for hospitals, labs & BMW operators.

  • Incinerators — static, fluidised bed, rotary, mobile
  • Autoclaves & steam sterilisers
  • Shredders & flue-gas treatment
  • Full BMW facility design & O&M
Biogas plant and anaerobic digesters

Renewable Energy

Turning organic waste into fuel, power and carbon credits.

  • Anaerobic digestion plants
  • Biogas cleaning & upgrading (biomethane)
  • Gas handling & safety systems
  • Co-generation & captive power
ESG advisory session with client leadership
📊

ESG & Sustainability

From intent to measurable impact.

  • ESG strategy & materiality
  • GRI & BRSR reporting
  • Scope 1-3 carbon accounting
  • Governance, risk & compliance
Trusted by industry leaders
Hyundai Motors
Foxconn India
Caterpillar
CMC Vellore
Sandoz
Apex Labs
Clariant
FACT Ltd
BPCL Kochi
BHEL
Southern Railways
Sterling & Wilson
Sectors we serve

Seven sectors. One engineering language.

Hundreds of installations across regulated, resource-intensive industries — with proven playbooks for each.

01

Pharma & Life Sciences

API/formulation ETPs, solvent recovery, HVAC exhaust, BMW.

02

Chemicals & Petchem

ZLD, FGD, VOC recovery — FACT, BPCL & more.

03

Automotive

Wash-water ETPs, paint-shop VOC, reuse — Hyundai, Foxconn, Caterpillar.

04

Textile & Dyeing

Colour removal ETPs, evaporators & ZLD for TN clusters.

05

Healthcare & Hospitals

BMW facilities, STPs — CMC Vellore is a marquee reference.

06

Municipal & Utilities

Sewage for CMWSSB, TWAD, cantonments; SWM for ULBs.

07

Power & Railways

Boiler APC, station STPs, sludge — BHEL, Southern Railways, S&W.

08

Infrastructure & PSUs

Feasibility, EIA, clearance & green-building consulting.

Proof at scale

250+ installations. Measurable outcomes.

A curated snapshot of EnSys projects across water, air, waste and energy.

MBR membrane STP Water · MBR

Foxconn India — 5 MLD MBR STP

Chennai, TN · Sewage Treatment

Reuse-grade water for cooling & landscaping. 40 % footprint reduction vs conventional STP.

Modular MBBR STP Water · MBBR

CMWSSB — 4 MLD Modular MBBR STP

Mambalam, Chennai · Sewage Treatment

First-of-its-kind high-capacity prefab skid-mounted MBBR STP in South India.

ZLD evaporator crystalliser Water · ZLD

TWAD Tiruchendur — 25 MLD STP

Tiruchendur, TN · World Bank Scheme

Large-scale sewage treatment for coastal municipal town under World Bank funding.

Anaerobic digester Solid Waste · BARC

CMC Ranipet — 3.4 TPD Bio-Methanation

Ranipet, TN · Solid Waste / Biogas

BARC-technology bio-methanation plant for a large medical campus.

Solid waste conveyor Solid Waste

BPCL Cochin — Solid Waste Management

Kochi, Kerala · Refinery Campus

BARC-adapted SWM for a large petroleum refinery campus.

Medical waste incinerator Biomedical Waste

CMC Vellore — BMW Facility

Vellore, TN · Incinerator & APC

Turnkey BMW facility for one of India's leading medical institutions.

ESG & Sustainability

From intent to measurable impact.

ESG is no longer a reporting obligation — it is a strategic framework for risk, resilience and long-term value. EnSys bridges engineering, compliance and disclosure, backed by three decades of operational rigour.

🎯

Strategy & Materiality

Maturity assessment, stakeholder mapping, roadmaps.

📄

Reporting & Disclosures

GRI & BRSR, audit-ready documentation.

🌍

Climate & Carbon

Scope 1–3, PCF, net-zero pathways.

🛡️

Governance & Risk

Frameworks, accountability, compliance.

🤝

Stakeholder & Impact

Engagement strategy, impact measurement.

Book an ESG Discovery Call →
Get in touch

Let's engineer the outcome.

Tell us about your compliance target, plant capacity, timeline and site — we'll respond with a scoped proposal within two business days.

Head Office — Chennai

Multi-disciplinary engineering, project management & ESG consulting under one roof.

📍
Address
#41, Seventh Avenue, Ashok Nagar,
Chennai – 600 083, Tamil Nadu, India
✉️
🌐
Presence
India · Singapore · Sultanate of Oman · Thailand
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