Plants & systems
Wastewater & Infrastructure
WWTPs, EPC contractors, modular plants, cooling systems, and sludge management.
Wastewater & Infrastructure covers the plants, contractors, and systems that physically build and operate the hardware of water and wastewater treatment, from municipal WWTPs to mobile units and sludge handling.
- Solution provider pages
- 17
- Vetted providers
- 700+
- Time to match
- 48 hrs
What you'll find here
Where civil, mechanical, and process worlds meet, and plants get built.
This group is for owners and operators who need hardware on the ground. It includes industrial and municipal wastewater treatment plant providers, solution providers for specialized WWTPs (leachate, food processing, textile), EPC contractors, modular and containerized plants, and the full sludge chain: dewatering, thickening, drying, biosolids, sludge-to-energy, and anaerobic digestion. If you need a plant built, operated, or upgraded, start here.
Industrial, municipal, and specialized WWTPs
EPC contractors and modular/containerized plant builders
Produced water, marine, and mobile treatment services
Full sludge chain: dewatering, drying, biosolids, AD, sludge-to-energy
Solution provider pages
17 focused pages under Wastewater & Infrastructure
Click through to browse vetted providers in any sub-discipline.
Industrial WWTP Companies
Industrial wastewater plant builders handling complex effluent from manufacturing, mining, energy, and chemical sites.
Municipal WWTP Companies
Municipal wastewater solution providers, plant design, upgrades, retrofits, and nutrient-removal expansions.
Sewage Treatment Plant Companies
STP providers covering packaged, modular, and large-scale sewage treatment for municipalities and compounds.
Specialized WWTP Companies
Niche wastewater treatment firms tackling landfill leachate, food processing, textile, and hazardous streams.
EPC Water Treatment Companies
EPC contractors delivering engineering, procurement, and construction of water and wastewater plants end-to-end.
Modular Water Treatment Companies
Containerized and modular plants for rapid deployment, remote sites, and scalable capacity expansion.
Water Plant Construction Companies
General contractors and civil/mechanical solution providers constructing water and wastewater treatment facilities.
Industrial Cooling System Companies
Cooling tower, closed-loop, and hybrid cooling providers integrated with water treatment programs.
Produced Water Treatment Companies
Oil & gas produced water solution providers, de-oiling, desalting, and reuse for fracking, injection, or discharge.
Marine Water Treatment Companies
Marine and offshore water/wastewater systems for vessels, rigs, and coastal facilities, MARPOL-compliant treatment.
Mobile Water Treatment Services
Trailer-mounted and containerized rental treatment for emergencies, plant outages, and short-term projects.
Sludge Dewatering Companies
Dewatering providers, belt filters, centrifuges, screw presses, and filter presses for sludge volume reduction.
Sludge Thickening Companies
Gravity, DAF, drum, and rotary thickener suppliers for upstream sludge concentration and digester feed optimization.
Sludge Drying Companies
Thermal, solar, and belt dryer providers producing Class A biosolids and reducing hauling volumes.
Biosolids Management Companies
Biosolids handling, stabilization, land application, and beneficial-reuse service providers.
Sludge-to-Energy Companies
Anaerobic digestion, incineration, and pyrolysis systems recovering energy from municipal and industrial sludge.
Anaerobic Digestion Companies
AD system providers, UASB, EGSB, CSTR, and plug-flow digesters for high-strength wastewater and organic waste.
Who this is for
Best fit if you're working on
The providers in this group tend to have the strongest track record in these contexts.
- Heavy industry & oil & gas
- Municipal utilities
- Construction & project owners
- Operators with sludge handling needs
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