Have you ever wondered how industries and communities manage their wastewater efficiently in limited spaces? Why are packaged wastewater treatment plants becoming the preferred choice for modern infrastructure projects? As sustainability and water reuse take center stage in 2025, the need for compact, energy-efficient, and easy-to-install treatment systems has never been greater. These questions highlight a growing global movement toward smarter, modular wastewater management solutions.
In this article, we explore the world’s leading manufacturers driving innovation in packaged wastewater treatment technology. From modular membrane bioreactors (MBRs) and containerized systems to advanced biological and chemical processes, these top companies offer solutions that combine performance, reliability, and environmental responsibility. Their systems are engineered to meet the needs of municipalities, industries, and remote communities, ensuring compliance with strict environmental standards while minimizing operating costs.
Keep reading to discover which companies are setting new benchmarks in technology, design, and sustainability.
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Veolia Water Technologies combines more than a century-and-a-half of water expertise with modern modular solutions to serve municipalities and industry worldwide. As the water-technology arm of Veolia Environnement, the brand positions itself on performance plus sustainability: designing, supplying and operating compact, prefabricated and field-installed systems that help clients meet tightening discharge limits, water reuse targets and circular-economy goals.
Veolia offers a wide range of packaged and modular wastewater products and services, from plug-and-play ultrafiltration (ZeeWeed® packaged systems) and mobile/containerized wastewater units to packaged evaporation/crystallization (EVALED®), compact clarification (Actiflo®), MBR/MABR/SBR process skids, and temporary/mobile turnkey plants for rapid deployment. Their standard, skid-mounted and containerized offerings are designed for quick installation, remote operation and reuse or ZLD applications across industrial and municipal projects.
Establishment: 1999
Headquarters: Paris, France
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SUEZ is a global specialist in water and waste management with more than 160 years of heritage and a modern focus on circular, low-carbon solutions for municipalities and industry. The company positions itself as a partner for utilities and industrial clients seeking compact, energy-efficient and digitally enabled wastewater solutions that meet stricter discharge limits and water-reuse targets. SUEZ combines large-scale project capability with standardized, modular offerings to deliver turnkey and O&M services worldwide.
SUEZ provides a broad portfolio of packaged and modular wastewater technologies including submerged and immersed MBR systems (Ultrafor®/Degremont® MBR), MBBR/mobile packaged plants, advanced membrane and filtration modules, ozonation and advanced oxidation (Ozonia®), skid-mounted/process skids and containerized treatment units for rapid deployment. Their packaged offerings are used across municipal, industrial and produced-water applications, often delivered with operation and digital monitoring services.
Establishment: 2008
Headquarters: Altiplano, La Défense, Paris, France
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Xylem is a leading global water technology company committed to solving the world’s most challenging water issues through innovation and smart infrastructure. Headquartered in the United States, Xylem integrates decades of engineering experience with cutting-edge digital solutions to provide sustainable water and wastewater treatment technologies. Following its 2023 merger with Evoqua Water Technologies, Xylem strengthened its position in the decentralized and packaged wastewater treatment sector, offering complete modular systems for municipal, commercial, and industrial applications. The company focuses on efficiency, reliability, and ease of operation, helping clients reduce lifecycle costs and environmental impact.
Xylem offers a diverse range of packaged and modular wastewater treatment systems, including Membrane Bioreactor (MBR) units, Sequencing Batch Reactor (SBR) systems, Moving Bed Biofilm Reactor (MBBR) plants, and containerized or skid-mounted solutions for rapid deployment. Its portfolio includes well-known brands such as Sanitaire®, Wedeco®, Flygt®, and Leopold®, which deliver proven technologies for aeration, disinfection, biological treatment, and filtration. These packaged systems are designed for flexible installation, efficient operation, and compliance with stringent discharge standards in both municipal and industrial wastewater treatment projects.
Establishment: 2011
Headquarters: Washington, D.C., United States
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Fluence Corporation is a global leader in decentralized and modular water & wastewater treatment solutions, known for bringing fast-to-deploy, energy-efficient technologies to municipal and industrial customers. Formed from the consolidation of several specialist water technology businesses, Fluence focuses on compact systems, repeatable modular designs and performance-based delivery models that help communities and companies meet tighter discharge limits, water-reuse goals and low-energy targets.
Fluence’s product portfolio centres on its proprietary MABR (Membrane Aerated Biofilm Reactor) branded as Aspiral™ for low-energy nutrient removal and decentralized plants, together with packaged MBR and conventional biological process skids, containerized / skid-mounted treatment units, and integrated solutions for reuse and produced-water applications. Fluence also offers digital monitoring, lifecycle O&M and financing models that simplify delivery and operation of packaged wastewater plants.
Establishment: 2017
Headquarters: Plymouth, Minnesota, United States
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Kubota Corporation is a long-established Japanese multinational with deep expertise in water and environmental technologies alongside its well-known agricultural and construction equipment businesses. Founded in 1890, Kubota has built a global reputation for reliable, compact and low-footprint wastewater solutions—especially its on-site packaged systems (Johkasou) and membrane technologies—which are widely used in municipal, commercial and industrial applications.
Kubota’s packaged wastewater portfolio centers on the Johkasou family (self-contained onsite treatment tanks) and Kubota MBR (Submerged Membrane Unit / SMU) systems. These factory-built, compact units use flat-sheet submerged membranes and advanced biological processes to deliver high-quality effluent suitable for discharge or reuse. Kubota supplies skid- and tank-mounted packaged plants, membrane bioreactor (MBR) modules, pumps and allied components—backed by regional subsidiaries and technical support for turnkey delivery.
Establishment: 1890
Headquarters: Osaka, Japan
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HUBER Technology (HUBER SE) is a Germany-based specialist in stainless-steel equipment and complete solutions for water, wastewater and sludge treatment. With a long family history and more than 175 years of involvement in the water sector, HUBER positions itself as a global supplier of headworks, mechanical treatment and turnkey compact plants that improve reliability, reduce lifecycle costs and support resource recovery for municipalities and industry.
HUBER’s offerings focus on robust, factory-engineered mechanical and packaged solutions: fine and coarse screening (ROTAMAT & fine screens), screenings handling and washing, grit separation and processing, complete pre-treatment plants, sludge thickening/dewatering and containerized/packaged MBR plants (MENA-Water). Their modular, skid- or containerized plants are designed for fast transport and installation and are commonly used where prefabricated packaged treatment is required.
Establishment: 19th century
Headquarters: Berching, Bavaria, Germany (global production & corporate offices; international subsidiaries and regional hubs worldwide).
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Aquatech is a global water-technology systems integrator focused on industrial and infrastructure water solutions, with deep expertise in desalination, water reuse and zero liquid discharge (ZLD). Established as a specialist integrator, Aquatech delivers engineering, technology and financing packages that help heavy-industry, energy, mining and municipal clients reduce freshwater use, comply with stricter discharge limits and meet circular-water goals.
Aquatech provides packaged and modular wastewater treatment offerings including membrane and thermal desalination units, membrane bioreactor (MBR) and ultrafiltration skids, crystallizers and evaporators for ZLD, mobile/rental treatment units, and end-to-end solutions for water reuse and produced-water applications. Their portfolio also includes aftermarket services, project financing and O&M packages for turnkey packaged wastewater projects.
Establishment: 1981
Headquarters: Canonsburg, Pennsylvania, United States
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Kurita Water Industries Ltd. is a leading Japanese water-technology company that provides end-to-end solutions for industrial and municipal water management. Founded in 1949, Kurita combines water-treatment chemicals, engineering, equipment and lifecycle services to help customers reduce water consumption, meet stricter discharge standards and implement circular-water strategies. The group operates globally with regional hubs in North America, Europe and Asia and is known for marrying chemical expertise with packaged and engineered treatment systems.
Kurita supplies a wide range of packaged and modular wastewater solutions including factory-assembled packaged equipment and prefabricated plants, membrane filtration (UF/RO/NF) and MBR modules, solids-liquid separation and sludge handling packages, thermal/concentration systems for water reuse and ZLD, and complementary process chemicals and automation/O&M services. Kurita America explicitly promotes packaged equipment solutions assembled in-house and delivered ready for quick installation—making Kurita a practical choice for packaged wastewater projects.
Establishment: 1949
Headquarters: Nakano-ku, Tokyo, Japan
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Paques BV is a Netherlands-based global biotechnology company specializing in sustainable biological wastewater and gas treatment. Since its founding in 1980, Paques has been a pioneer in anaerobic treatment and resource recovery, helping industries and municipalities reduce pollution while producing valuable byproducts such as biogas and reusable water. The company has built a reputation for innovation and reliability, with more than 2,000 full-scale installations worldwide and a strong focus on modular, prefabricated and decentralized treatment solutions.
Paques designs and manufactures a wide range of biological wastewater treatment systems, including packaged anaerobic reactors such as BIOPAQ® UASB, IC, and UBOX® technologies, aerobic and anoxic polishing units, and integrated modular skids for industrial effluents. Their prefabricated and containerized systems are used extensively in food & beverage, pulp & paper, chemical, and municipal applications. Paques also provides modular biogas upgrading (BIOPAQ® AFR / THIOPAQ®) and nutrient recovery systems that can be delivered as turnkey packaged plants for rapid installation and commissioning.
Establishment: 1980
Headquarters: Balk, Friesland, The Netherlands
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Aqua-Aerobic Systems, Inc. is a U.S.-based applied engineering company that has supplied advanced water and wastewater treatment technologies since its founding in the late 1960s. The company is known for its innovations in aeration, biological processes, filtration and membrane systems, and it serves municipal and industrial customers worldwide with an emphasis on low lifecycle cost, energy efficiency and reliable performance. Aqua-Aerobic positions its packaged and modular solutions as practical, compact options for communities and plants that need robust treatment with quick installation and straightforward operation.
Aqua-Aerobic’s packaged-product portfolio includes the Aqua-Aerobic® Membrane Bioreactor (MBR) systems, the AquaNereda® aerobic granular sludge (AquaNereda®) technology for compact enhanced nutrient removal, cloth media filtration and modular ultrafiltration units, skid-mounted and containerized treatment plants, and rental/mobile packaged systems for short-term or emergency use. The company also provides process control, digital monitoring and lifecycle O&M services to support packaged plant installations and long-term performance.
Establishment: 1969
Headquarters: Rockford, Illinois, United States
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As the global demand for efficient and sustainable wastewater management continues to grow, choosing the right package treatment plant manufacturer is essential for success.
Among these industry leaders, Weilan stands out for its dedication to innovation, quality, and environmental responsibility. With advanced engineering, reliable performance, and a customer-first approach, Weilan provides tailored wastewater treatment solutions that meet the evolving needs of industries and communities worldwide. If you’re looking for a trusted partner in modern water treatment, Weilan is a name you can count on.
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