Treatment Technologies
Industrial Water Treatment Companies
End-to-end industrial water treatment companies covering process water, cooling, boiler feed, and wastewater across heavy-industry sites.
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- Providers
- 23
- Verified
- 4
- Countries
- 8
How to choose a industrial water treatment provider
Start with providers that clearly operate in your target geography and project footprint.
Look for industry exposure that matches your water challenge, compliance constraints, and deployment context.
Use technologies, service scope, and proof signals to narrow the list before reaching out to suppliers.
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23 results from 23 matched providers

SUEZ Advanced Solutions UK Ltd
Unique integrated water solutions and unrivalled expertise. Suez Advanced Solutions UK deliver innovative methods of water and wastewater management throughout the UK. Working with a wide range of customers in the industrial and utility sectors, SUEZ Advanced Solutions UK are focussed on tailored and integrated process solutions for measurable results. Suez Advanced Solutions UK’s suite of environmental technologies and services deliver optimised methods of water network management for the water sector. Utilising a wealth and depth of experience in water and sewerage networks, a wide range of pioneering and innovative process solutions are now successfully providing commercial benefits to water companies, and improving service quality for the end user. Our industrial water specialists deliver bespoke solutions based on the specific needs and process requirements of the customer, to provide reduced costs, energy and water consumption. Committed to continuous development through technical innovation, Suez Advanced Solutions UK transfer knowledge and expertise from a diverse range of industrial sectors, offering a comprehensive understanding of processes and relevant environmental and industry legislations.

Technocover Ltd
Technocover is an approved ISO 14001:2004 Environmental and ISO 9001:2008 Quality Accredited Company, dedicated to the Design, Manufacture, Installation and Maintenance of Physical Security Access Solutions for protection to all industrial sectors. Our extensive in-house design and manufacturing facilities are home to well established research and development unit and comprehensive testing facility. Our commercial offices incorporate our design team who utilise the latest computer aided design technology and work alongside our dedicated planning section who oversee everything from surveying, scheduling and contract reviews, to the management of framework agreements. We have been designing and manufacturing innovative steel products since 1993. In that time, through organic growth, planned expansion and acquisition, we have gained a reputation as the UK’s leading supplier of Physical Steel Security Access Products. We have a range of aperture security solutions for virtually every application, establishments in the UK and overseas have sought our expertise in providing security products for asset protection. We operate a Total Service Philosophy and can handle complete projects from site survey to final installation, whether for new or refurbishing projects, the adaptability of our galvanised steel access products means the most complex design criteria can be met. Our range of high quality access products offer custom built operational and security solutions to prevent unauthorised persons gaining access, securing key assets against all levels of trespass, malicious vandalism, theft, extortion, contamination or terrorism. Many of our access system products have been tested and approved by the Loss Prevention Certification Board (LPCB) to LPS 1175 issue 5 or above, Security Rating Levels 2, 3, 4 or 5. Frameworks We hold both exclusive and shared framework agreements with most of the major UK water companies. Framework Security items include: LPCB Level 2 Universal Gas Cylinder Clamps LPCB Level 3 Mesh Cage Systems LPCB Level 3 Flush Access Covers LPCB Level 4 Upstand Access Covers LPCB Level 4 Padlockable Access Doors LPCB Level 4 Key Entry Doors LPCB Level 4 Enclosures/Kiosks/Cabinets LPCB Level 4 Walk-In Modular Buildings LPCB Level 4 Window Bar Sets LPCB Level 5 Louvres

Trant Engineering Ltd
Trant provide high quality engineering and project delivery services to the municipal & industrial process & water treatment markets in the UK and Internationally. We have 60 years’ experience in the successful delivery of complex water, wastewater and process treatment solutions for the main UK process & water companies. We develop innovative, cutting edge process and water solutions using advanced technology. Working closely with our technology partner SFC Umwelttechnik, we are able to utilise proven advanced technology resulting in optimal solutions for our water and process industry clients in the UK and internationally. Our in-house design teams understand the stringent regulatory challenges faced by our clients and ensure that efficiency, resilience and sustainability are factored into all design solutions. Our design studio use the latest software including BIM, augmented and virtual reality to develop and detail high tech treatment process outputs. Our control & automation and offsite manufacturing & assembly facilities enable us to provide full in-house capability from project conception through to commissioning.
Matching Industrial Water Treatment Scope to Process and Regulatory Requirements
Industrial water treatment spans four distinct functions: process water production (ultrapure water for electronics, deionized water for manufacturing, softened water for steam generation), process water recycling and reuse, effluent treatment for discharge compliance, and zero liquid discharge for water-scarce or environmentally constrained sites. Each function has different technology requirements, capital intensity, and regulatory framework. Large industrial facilities often operate all four simultaneously as part of an integrated water management strategy.
The water intensity of industrial processes varies enormously by sector. Semiconductor fabs require ultrapure water with resistivity above 18 MΩ·cm and particle counts below 10/mL, demanding multi-stage RO, electrodeionization (EDI), and UV TOC reduction. Power plant cooling systems treat millions of liters per day with cycles-of-concentration programs. Mining operations manage high-TDS, high-metals-content process water under complex permit conditions. A treatment provider's relevance is directly tied to their experience in your specific industrial vertical, not just their general water treatment capability.
Industrial water treatment procurement increasingly involves digital monitoring and process integration requirements. SCADA integration, real-time effluent quality dashboards, and automated dosing control are now standard expectations for large process facilities. When evaluating providers, ask about their control system architecture, historian compatibility, and how their monitoring data integrates with your plant DCS. Providers who can deliver both the chemistry and the control infrastructure reduce the number of vendor interfaces your operations team must manage.
Frequently Asked Questions
How do I determine if I need a full water audit before specifying an industrial treatment system?
A water audit is essential when your facility lacks current data on all water inputs, consumption points, losses, and discharge volumes. Without it, treatment system design is based on assumptions that often prove inaccurate and result in undersized or oversized equipment. A water audit maps mass and quality balances across all process streams, identifies the highest-value reuse opportunities, and provides the feedwater characterization data that technology providers need to produce accurate proposals rather than ballpark estimates.
What is electrodeionization (EDI) and when does it replace mixed bed polishing in industrial plants?
Electrodeionization uses ion exchange resin continuously regenerated by a low-voltage direct current to produce high-purity water (typically 10–18 MΩ·cm) without the chemical regeneration required by traditional mixed bed demineralizers. EDI is specified in electronics, pharmaceutical, and power applications where continuous production without acid/caustic regeneration interruptions is required, and where chemical handling and waste neutralization costs for mixed bed regeneration are significant. EDI requires RO pre-treatment producing feed water with TDS below 50 mg/L to operate reliably.
What questions should I ask when evaluating industrial water treatment EPC contractors?
Ask for the specific process design basis document they will use to size each treatment unit—not just the system P&ID. Confirm they will perform guaranteed performance testing at commissioning against defined effluent quality parameters with documented acceptance criteria. Ask who is responsible for operator training and how long the training period lasts. Clarify the warranty boundary between process performance (their responsibility) and feedwater quality variation (potentially yours), and negotiate a feedwater excursion protocol that defines acceptable variation.
How do industrial water treatment costs compare between CAPEX-purchase and service-based models?
Under a CAPEX-purchase model, the facility owns the equipment and bears all operating risk—chemical costs, maintenance, membrane replacement, and compliance risk. Under a water-as-a-service or BOT (Build-Operate-Transfer) model, the provider owns the equipment and delivers treated water at a fixed price per cubic meter over a contract term (typically 7–15 years). Water-as-a-service transfers technology risk and operating complexity to the provider but typically carries a 20–40% premium over the long-run CAPEX operating cost for facilities with strong internal operations capability.
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