Every corner of the water industry, in one place.

End-to-end industrial water treatment companies covering process water, cooling, boiler feed, and wastewater across heavy-industry sites.

Filtration system providers spanning media, cartridge, bag, and membrane filters for municipal, commercial, and industrial applications.

Heavy-duty filtration solution providers for industrial process water, including self-cleaning, multimedia, and high-flow filtration platforms.

Treatment providers serving commercial buildings, hospitality, healthcare, and retail, potable, cooling, and domestic hot water loops.

Chemical suppliers and service programs: coagulants, flocculants, scale and corrosion inhibitors, biocides, and specialty polymers.

Water purification providers delivering multi-barrier treatment trains for drinking, process, and high-purity applications.

RO system integrators for brackish, seawater, and industrial process water, skids, containerized plants, and engineered solutions.

UF suppliers for pretreatment, reuse, and potable water, hollow-fiber and spiral-wound membrane systems at any scale.

NF solution providers for selective ion removal, softening, color removal, and high-recovery applications between UF and RO.

MF providers covering particulate, pathogen, and pretreatment filtration for municipal and industrial flows.

Membrane filtration companies across MF, UF, NF, and RO, system design, skids, autopsy, and cleaning services.

GAC and PAC providers for taste & odor, organics, chlorine, and micro-pollutant removal in drinking water and industrial streams.

Ion exchange resin suppliers and system builders for softening, demineralization, and targeted contaminant removal.

Biological treatment solution providers: activated sludge, SBR, MBBR, MABR, aerobic/anaerobic digestion, and nutrient removal.

Chemical treatment providers covering coagulation/flocculation, pH adjustment, advanced oxidation, and disinfection programs.

MBR system suppliers for high-quality effluent, reuse-ready water, and compact wastewater plants in tight footprints.

Electrocoagulation, electrooxidation, and EDR providers for heavy metals, emulsions, and hard-to-treat industrial streams.

AOP suppliers, UV/H₂O₂, ozone, Fenton, and catalytic oxidation for refractory organics, PFAS, and trace contaminants.

Disinfection providers across chlorination, chloramination, ozonation, UV, and electrochemical processes for potable and reuse water.

UV disinfection suppliers for drinking water, wastewater, reuse, and industrial process disinfection with dose-validated reactors.

Coag/floc solution providers, chemistry, jar testing, clarifier and DAF design for particulate and colloid removal.

Softening system providers, ion-exchange, lime, and NF-based hardness removal for industrial and commercial plants.

Water conditioning suppliers for scale, corrosion, and biological control in cooling, boiler, and domestic water loops.

Ultrapure water system providers for semiconductor, power, and life-sciences, multi-stage RO, EDI, and polishing loops.

Demin plant suppliers, two-bed, mixed-bed, and membrane-based demineralization for boiler feed and industrial process water.

High-purity water system integrators for pharma (WFI/PW), microelectronics, and laboratory applications.

Hemodialysis water treatment solution providers delivering AAMI/ISO-compliant loops for clinics and hospital dialysis centers.

Cooling water program providers, chemistry, side-stream filtration, Legionella control, and remote monitoring.

Boiler water solution providers, softening, demineralization, condensate polishing, and chemistry programs for steam plants.

Turnkey ETP builders for industrial effluent compliance, physicochemical, biological, and tertiary treatment trains.

Potable water treatment companies for municipalities and utilities, conventional, membrane, and advanced treatment.

Full-service desalination providers covering design, build, O&M, and performance contracts for SWRO, BWRO, and thermal plants.

SWRO solution providers, intake design, high-pressure RO, energy recovery devices, and post-treatment for coastal and offshore use.

BWRO providers for inland brackish aquifers, reuse, and industrial streams, high-recovery with concentrate management.

MED, MSF, and MVC thermal desalination providers for high-salinity, high-TDS, or waste-heat integrated projects.

Containerized and skid-mounted desalination units for remote sites, emergency response, and rapid deployment.

Solar and wind-coupled desalination providers, off-grid and hybrid systems with storage and variable-load RO.

OEM suppliers of MF, UF, NF, and RO membrane elements and modules, spiral-wound, hollow-fiber, and ceramic.

Fine-bubble, coarse-bubble, surface, and jet aeration equipment for biological treatment plants.

Lobe, screw, and turbo blower OEMs supplying air to aeration basins and pneumatic systems.

Submersible, top-entry, hyperboloid, and static mixer suppliers for treatment basins and process tanks.

Bar, fine, drum, step, and band screen manufacturers for headworks and pretreatment applications.

UV reactor manufacturers covering low-pressure, medium-pressure, and UV-LED systems for water disinfection.

Corona-discharge and electrolytic ozone generator OEMs for disinfection and AOP applications.

Diaphragm, peristaltic, and metering pump manufacturers for accurate chemical feed in water systems.

ZLD integrators combining membranes, evaporators, and crystallizers to eliminate liquid effluent and recover salts.

MLD designers balancing high recovery with reduced CAPEX/OPEX vs. full ZLD, concentrate minimization at scale.

Reuse solution providers closing the loop with tertiary membranes, AOP polishing, and tailored reuse schemes for process and cooling.

Greywater systems for buildings and campuses, reuse for flushing, irrigation, and cooling make-up.

Treatment for fit-for-purpose irrigation water, pathogen, salinity, and nutrient management tuned to crop and soil needs.

Rainwater collection, storage, and treatment solutions for industrial, commercial, and community reuse schemes.

Brine concentration, crystallization, and disposal providers for desalination and industrial waste streams.

Resource recovery from brine, salts, minerals, and chemicals turned into revenue instead of disposal cost.

Resource recovery facilities turning wastewater into water, nutrients, energy, and other reusable materials.

Phosphorus and nitrogen recovery, struvite, ammonia stripping, and bioreactor-based nutrient reuse.

Direct lithium extraction (DLE) from brines and produced water, adsorption, ion exchange, and membrane-based systems.

End-to-end stormwater providers spanning design, equipment, and construction for runoff quantity and quality control.

Sustainable urban drainage designers and installers, bioswales, rain gardens, permeable paving, and green roofs.

Modular crate, vault, and chamber suppliers for underground stormwater detention, retention, and infiltration.

Vortex and swirl-concentrator manufacturers removing TSS, oil, and floatables from stormwater runoff.

Oil-water separator suppliers for car parks, fueling stations, industrial yards, and transport hubs.

Permeable concrete, porous asphalt, and modular permeable paving systems for runoff source control.

Extensive and intensive green roof system designers and installers for stormwater retention and urban cooling.

Tanks, filters, pumps, and controls for building- and district-scale rainwater harvesting systems.

First-flush diverter suppliers protecting downstream rainwater storage and treatment from initial pollutant load.

Silt fence, sediment basin, and turbidity-curtain providers for construction-site runoff and post-construction stabilization.

Industrial wastewater plant builders handling complex effluent from manufacturing, mining, energy, and chemical sites.

Municipal wastewater solution providers, plant design, upgrades, retrofits, and nutrient-removal expansions.

STP providers covering packaged, modular, and large-scale sewage treatment for municipalities and compounds.

Niche wastewater treatment firms tackling landfill leachate, food processing, textile, and hazardous streams.

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

Containerized and modular plants for rapid deployment, remote sites, and scalable capacity expansion.

General contractors and civil/mechanical solution providers constructing water and wastewater treatment facilities.

Cooling tower, closed-loop, and hybrid cooling providers integrated with water treatment programs.

Oil & gas produced water solution providers, de-oiling, desalting, and reuse for fracking, injection, or discharge.

Marine and offshore water/wastewater systems for vessels, rigs, and coastal facilities, MARPOL-compliant treatment.

Trailer-mounted and containerized rental treatment for emergencies, plant outages, and short-term projects.

Dewatering providers, belt filters, centrifuges, screw presses, and filter presses for sludge volume reduction.

Gravity, DAF, drum, and rotary thickener suppliers for upstream sludge concentration and digester feed optimization.

Thermal, solar, and belt dryer providers producing Class A biosolids and reducing hauling volumes.

Biosolids handling, stabilization, land application, and beneficial-reuse service providers.

Anaerobic digestion, incineration, and pyrolysis systems recovering energy from municipal and industrial sludge.

AD system providers, UASB, EGSB, CSTR, and plug-flow digesters for high-strength wastewater and organic waste.

Tank fabricators across all materials and applications: GRP/FRP, HDPE, stainless steel, concrete, and glass-lined storage and process tanks.

Fiberglass (GRP/FRP, vetroresina) tank fabricators for storage, process, and chemical service, custom-built to specification.

HDPE / PE tank manufacturers for water, chemical, and wastewater service, rotomolded and welded constructions.

Stainless steel tank and vessel fabricators for hygienic, food-grade, pharma, and industrial process service.

Precast and cast-in-place concrete tank, reservoir, and basin builders for utilities and industrial sites.

Flexible bladder and pillow tank suppliers for emergency, mobile, and temporary water and fuel storage applications.

Code-stamped pressure vessel fabricators for filters, contactors, and hydropneumatic service in water systems.

Filament-wound and centrifugally cast GRP/FRP pipe manufacturers for water, sewer, and chemical service.

HDPE pipe extruders and butt-fusion specialists for water mains, force mains, and trenchless applications.

Precast concrete pipe, manhole, and chamber suppliers for sewer, drainage, and utility infrastructure.

Manhole rehab specialists, cementitious, geopolymer, and epoxy linings to extend asset life and stop I&I.

HDPE, EPDM, PVC, and bentonite geomembrane suppliers and installers for ponds, lagoons, reservoirs, and landfills.

Epoxy, polyurea, rubber, and glass-flake coating applicators extending the life of steel and concrete water assets.

Gate, butterfly, check, knife, and control valve manufacturers for water, wastewater, and process applications.

Centrifugal, submersible, and positive-displacement pump manufacturers for water and wastewater duty.

Centrifuges, belt presses, screw presses, and dryer manufacturers for sludge handling and biosolids.

Plate, shell-and-tube, and specialty heat-exchanger suppliers for cooling, heating, and energy-recovery duties.

Process skid builders pre-assembling pumps, instruments, and pipework for fast on-site installation.

ISO-container fabricators packaging full treatment trains for off-grid, emergency, and rapid-deploy projects.

Cooling-coil and desiccant atmospheric water generator OEMs producing potable water from humid air.

CIPP, pipe bursting, slip-lining, and microtunneling contractors rehabilitating water and sewer mains without excavation.

Cured-in-place pipe lining specialists for sewer and water main rehabilitation, minimal-disruption installs.

HDD contractors installing water and sewer pipelines under roads, rivers, and obstacles.

Acoustic, correlator, satellite, and DAS leak-detection providers reducing non-revenue water in distribution networks.

End-to-end NRW programs combining metering, leak detection, pressure management, and analytics for utilities.

AMR, AMI, and fixed-network smart-meter OEMs and rollout integrators for utilities and industrial sites.

Advanced Metering Infrastructure integrators delivering full-network deployments with telemetry and meter data management.

Pressure-reducing valve programs, DMA design, and surge-control providers for water distribution networks.

Water-well drilling contractors for industrial, agricultural, and rural drinking-water supply, plus rehabilitation services.

Well rehab specialists restoring yield through brushing, acidizing, surging, and screen replacement.

Booster pump station designers and packaged-station integrators for water distribution and force-main service.

Network hydraulic modelers and digital-twin builders calibrating distribution and sewer models for optimization.

Online instrumentation, SCADA, and control solution providers delivering real-time visibility into treatment performance.

Platform and software vendors digitizing water utilities, asset management, GIS, operations, and customer experience.

Accredited labs and on-site testing services for process water, effluent, and regulatory compliance monitoring.

Smart water platforms, connected meters, sensors, analytics, and predictive maintenance for utilities and industry.

SCADA integrators and system integrators for water/wastewater plants, PLC, HMI, historians, and cybersecurity.

AI/ML platforms optimizing dosing, energy use, and anomaly detection across water and wastewater operations.

Remote monitoring services for decentralized assets, cloud dashboards, alerts, and managed operations at a distance.

High-efficiency pumps, blowers, drives, and designs that cut energy intensity across water and wastewater systems.

Energy recovery devices (ERDs) and heat recovery integrators reducing specific energy consumption in treatment plants.

Solar-powered pumping, disinfection, and treatment solutions for off-grid and hybrid water projects.

Consulting firms scoping feasibility, technology selection, process optimization, and strategy for water projects.

Multi-discipline engineering firms, process, civil, mechanical, electrical, and controls, for water infrastructure.

Infrastructure program managers and owner's engineers for conveyance, storage, treatment, and distribution assets.

Water stewardship, AWS, CDP, and ESG disclosure consultants helping corporates set and hit credible water targets.

Techno-economic feasibility, environmental, and M&A due-diligence firms for water assets and deals.

WaaS providers delivering treated water on a per-m³ basis, BOO/BOOT models with no upfront CAPEX.

PPP, concession, and DBFOM solution providers structuring long-term water infrastructure deals with public counterparties.

Short- and long-term rental of RO, filtration, and wastewater units for outages, pilots, and temporary demand.

Engineering, procurement and construction contractors delivering turnkey water and wastewater treatment plants under fixed-price EPC contracts.

OEM manufacturers of water and wastewater treatment equipment, membranes, filtration systems, and process technology hardware.

System integrators combining multi-vendor process equipment, controls, and digital tools into complete water treatment solutions.

Suppliers of specialty water treatment chemicals including coagulants, scale inhibitors, biocides, and pH adjustment reagents.

Independent water consulting firms providing feasibility studies, technology selection, regulatory advisory, and project development services.

Operations & maintenance contractors running water and wastewater assets under performance-based agreements.

24/7 emergency response, mobile treatment, rentals, and rapid mobilization for plant failures and disasters.

Asset management consultants and software firms optimizing lifecycle cost, risk, and renewal across water portfolios.

Operator training, certification prep, and competency development for water and wastewater plant staff.

Treatment providers for dairies, breweries, beverage, and food processors, CIP, high-strength wastewater, and reuse.

Upstream, midstream, and downstream water services, produced water, frac flowback, and refinery effluent.

Pharma and biotech water systems, USP/EP purified water, WFI, clean steam, and API wastewater treatment.

Mining water services, acid mine drainage, tailings water, process water, and ZLD for mine sites.

Treatment solution providers for complex chemical and petrochemical effluents, refractory organics, solvents, and high-TDS streams.

Water and wastewater providers for discrete and process manufacturing, metal finishing, automotive, electronics.

Pulp & paper mill water services, white water reuse, anaerobic treatment, and color/COD removal.

Treatment for steel, aluminum, and metal finishing, acid pickling, oil/emulsion, and heavy metals removal.

Irrigation water treatment, livestock water, and agri-food effluent management for farms and agri-industry.

Power plant water cycles, makeup, cooling, boiler, condensate polishing, and FGD wastewater treatment.

Tannery effluent solution providers, chromium recovery, sulfide oxidation, and compliance for leather industries.

Hotel and resort water treatment, potable, pool, cooling, wastewater reuse, and Legionella risk management.

Construction-site water treatment, groundwater dewatering, turbidity control, and temporary wastewater.

Water and wastewater utility service providers, design, build, operate, and digital transformation partners.

RAS, hatchery, and aquaculture water treatment, biofilters, ozone, UV, and solids removal for fish health.

Decentralized drinking-water solution providers for rural, off-grid, and humanitarian contexts, solar pumping, POU/POE, and small-system treatment.

Ballast-water, sewage, bilge, and freshwater systems for vessels and offshore platforms, IMO and MARPOL compliant.

PFAS treatment providers, GAC, IX resins, RO, foam fractionation, and destruction technologies for forever chemicals.

Heavy metals treatment, precipitation, IX, sorbents, and membranes for lead, mercury, cadmium, chromium, arsenic.

COD and BOD reduction solution providers, biological, AOP, and hybrid processes for high-strength industrial effluents.

Oil/water separation experts, API separators, DAF, coalescers, and membranes for free, emulsified, and dissolved oil.

Arsenic treatment, adsorption media, oxidation/coprecipitation, and membrane-based removal for drinking water.

Micropollutant removal, ozone, AOP, GAC, and NF for pharmaceuticals, hormones, and personal care products.

Scale and corrosion control programs, inhibitors, monitoring, and side-stream treatment for cooling and boilers.

Iron and manganese removal, oxidation, greensand, biological filters, and sequestration for well and surface water.

TDS reduction via RO, NF, ED/EDR, capacitive deionization, and thermal processes for brackish and process water.

Multi-barrier pathogen removal, filtration, UV, chlorine, ozone, and membranes for bacteria, viruses, and cysts.

Clarification and filtration providers for turbidity, coag/floc, DAF, sand, multimedia, and membrane processes.

Nitrate removal, ion exchange, RO, biological denitrification, and electrochemical processes.

Ammonia removal providers, nitrification/denitrification, stripping, breakpoint chlorination, and IX.

Color removal solution providers, ozone, coag/floc, adsorption, and membrane processes for textile and dye effluents.

Microplastic removal via high-efficiency filtration, membranes, coag/floc, and advanced oxidation.

Silica removal, lime softening, IX, RO, and specialty resins for boiler feed, power, and semiconductor water.

Phosphorus removal, chemical precipitation, EBPR, sorbents, and recovery technologies for compliance and reuse.

Biofouling monitoring and control, biocides, chlorine dioxide, UV, and membrane cleaning programs.

Odor control providers, biofilters, scrubbers, activated carbon, and chemical dosing for H₂S and VOCs.

ZLD use-case providers showcasing delivered projects, concentration, crystallization, and salt recovery at scale.

End-to-end NRW reduction: leak detection, pressure management, smart metering, and analytics that recover lost water.

Stormwater quality providers tackling urban runoff: hydrodynamic separators, oil-water separation, SuDS, and source control.

Atmospheric water generation and fog-collection providers producing potable water in remote, arid, or off-grid contexts.