Wastewater treatment needs are changing across the United States. Many facilities now face stricter discharge limits, reuse goals, and space limits. These demands have increased interest in membrane bioreactor companies in the USA and modern MBR wastewater treatment systems.

A membrane bioreactor, or MBR, mixes biological treatment with membrane filtration in one unit. Tiny organisms break down waste, and a membrane filters out the rest. This gives cleaner water, a smaller footprint, and lower long-term costs.

This guide covers 11 membrane bioreactor companies to watch in the USA shaping the market today. We start with a research-driven manufacturer. Then we move through well-known names that engineers trust for municipal wastewater treatment and industrial wastewater treatment.

Quick Comparison

Company	Specialization	Best For
Oxymo Technology	Hollow fiber and flat sheet MBR, MABR, ultrafiltration	Custom projects that need patented membrane technology
Veolia Water Technologies & Solutions	ZeeWeed hollow fiber MBR, LEAPmbr	Large municipal upgrades and expansions
Kubota Water and Environment U.S.A. Corp.	Flat sheet MBR membranes	Plants that want a flat sheet design with lower fiber-breakage risk
SUEZ Water Technologies & Solutions	Legacy ZeeWeed MBR systems, now supported through Veolia	Buyers operating older SUEZ-era MBR plants
DuPont Water Solutions	MemPulse and MEMCOR MBR modules	Municipal and industrial wastewater treatment
Xylem	ADI anaerobic MBR and biological treatment systems	Sites with complex industrial wastewater treatment needs
Ovivo	ecoBLOX and advanced membrane-based water treatment	Specialized municipal and industrial water projects
Aqua-Aerobic Systems	Submerged MBR and AquaMB multi-barrier process	Municipal projects needing integrated biological treatment
Koch Membrane Systems (Kovalus Separation Solutions)	PURON reinforced hollow fiber membranes	Heavy wastewater loads, retrofits, and membrane replacement projects
Aquatech International	BioMOD flat sheet MBR, Aqua-EMBR, AnMBR	Industrial reuse and zero liquid discharge projects
BioMicrobics	BioBarrier decentralized MBR systems	Small communities, commercial sites, and decentralized treatment

 

1. Oxymo Technology

Key Products & Services: Hollow fiber MBR membranes, flat sheet MBR membranes, MABR systems (a low-energy biological process), ultrafiltration systems, membrane distillation, and full-package sewage plants

Industries Served: Municipal sewage, landfill leachate, textile wastewater, papermaking, food and slaughterhouse waste, oilfield wastewater, pharmaceutical wastewater, dairy processing, and chemical effluent

Company Overview

Among the most promising membrane bioreactor companies in the USA, Oxymo Technology stands out through strong research and manufacturing expertise. It is tested to withstand actual plant conditions, not laboratory tests. The company designs, develops, and manufactures ultrafiltration and MBR products. It has finished water treatment projects in over 40 countries. That range provides Oxymo with extensive experience in various regulations and waste types.

Oxymo also follows a strong research model. Its team works with universities and research institutes to improve membrane materials. This work has led to patents in MABR, flat-sheet MBR, ultrafiltration, and membrane distillation.

Oxymo is not simply a reseller of standard products. The company continues to improve its membrane technology through in-house research. This helps it develop membranes for specific wastewater needs instead of using a one-size-fits-all approach.

Oxymo holds ISO 9001 and ISO 14001 certification for quality and environmental management. Its membranes also carry CE certification, showing that they meet relevant safety requirements.

What Makes Oxymo Technology Stand Out?

Oxymo stands apart from other MBR manufacturers through research depth and hands-on support.

• Ongoing research creates patented formulas, not licensed, generic parts.
• Several material options let engineers match membrane chemistry to each wastewater type.
• Project work spans over 40 countries across many industries.
• Dual ISO certification backs steady, documented quality control.
• One team handles design, manufacturing, installation, and startup together.
• Clients report lower energy bills after switching to Oxymo systems.
• Effluent quality stays stable even when the incoming waste load swings.

Among membrane bioreactor companies in the USA, Oxymo offers buyers strong technical depth. Its broad product range supports municipal and industrial wastewater treatment projects.

2. Veolia Water Technologies & Solutions

Headquarters: Paris, France (with major US operations)

Key Products: ZeeWeed hollow fiber MBR membranes, LEAPmbr technology, NEOSEP MBR systems

Industries Served: Municipal water, industrial wastewater, food and beverage, power generation

Company Overview

Veolia is one of the leading membrane bioreactor companies in the USA and around the world. Its US team serves cities and industrial sites across many fields. Decades of work on large projects support its strong market position.

Veolia has improved its ZeeWeed 500 membrane for more than 20 years. The system supports many MBR wastewater treatment systems across North America. Its newer LEAPmbr design needs less tank space. It also uses less energy, which helps plants with limited room.

Veolia offers system warranties of up to 20 years. This support reflects its thousands of completed projects and large global service team.

3. Kubota Water and Environment U.S.A. Corp.

Headquarters: Colorado Springs, Colorado, USA (a Kubota Corporation subsidiary)

Key Products: KUBOTA Submerged Membrane Unit, a flat-sheet MBR design

Industries Served: Municipal sewage, industrial wastewater, water reuse, decentralized systems

Company Overview

Kubota is a trusted MBR maker with decades of membrane experience. It has more than 4,500 systems in use around the world. Its flat sheet design helps prevent fiber breaks better than many hollow fiber systems.

It also uses air scour, which cleans the membranes with bubbles instead of strong chemicals. Kubota Water and Environment U.S.A. Corp. serves as its main North American distributor. Its global project experience helps US engineers plan and build reliable systems.

This experience makes Kubota a reliable choice for municipal wastewater treatment projects. It also remains a leading name among established membrane bioreactor companies in the USA.

4. SUEZ Water Technologies & Solutions

Headquarters: Paris, France (now part of Veolia)

Key Products: ZeeWeed membranes, legacy MBR systems, filtration, reuse, and service solutions

Industries Served: Municipal utilities, industrial facilities, power, food, and life sciences 

SUEZ Water Technologies built a strong MBR name before Veolia acquired the business in 2022. Many US utilities still use plants built under the SUEZ brand.

Its MBR line began with GE Water’s ZeeWeed technology, which SUEZ bought in 2017. This enabled SUEZ to build up its expertise in submerged hollow fiber filtration for cities and factories. Veolia now supports plants built under the SUEZ name. For older SUEZ equipment, remanufactured parts, services, and upgrades are still available through Veolia.

This history keeps SUEZ relevant among established membrane bioreactor companies in the USA. Existing users can also find service options for older MBR wastewater treatment systems.

5. DuPont Water Solutions

Headquarters: Wilmington, Delaware, USA

Key Products: MemPulse MBR, MEMCOR MBR, ultrafiltration membranes, reverse osmosis, and ion exchange

Industries Served: Municipal wastewater, industrial wastewater, reuse, and process water

Company Overview

DuPont Water Solutions is a trusted name in membrane systems. It is a strong choice among MBR makers. Its long work in polymer science is used to make MBR membranes. These membranes can treat hard and changing wastewater.

The MemPulse MBR unit uses large air bubbles and fine hollow fibers. Less air power is used, while clean water quality is kept steady. MemCor MBR has been used for over 30 years. Help with design and parts is offered across the USA.

Its systems are used for city and plant waste water. DuPont is one of the key membrane bioreactor companies in the USA.

6. Xylem

Headquarters: Rye Brook, New York, USA

Key Products: ADI anaerobic MBR, biological treatment, pumping, aeration, and monitoring systems

Industries Served: Food and beverage, industrial manufacturing, municipal wastewater, and resource recovery 

Company Overview

Xylem is a well-known and trusted company for large water treatment projects. Its wide range of products and services also makes it one of the major MBR suppliers in the US market.

Xylem entered the MBR market through its Evoqua ADI product line. These systems use a membrane to separate treated water from solids instead of using standard settling tanks. This process helps remove organic matter and nitrogen and can also work with anaerobic treatment.

The system can further treat wastewater that has already been cleaned. It can also work as a complete treatment system for smaller sites. Xylem provides engineering and support for municipal and industrial wastewater treatment projects.

7. Ovivo

Headquarters: Montreal, Canada (US base in Salt Lake City, Utah)

Key Products: ecoBLOX silicon carbide MBR, wastewater treatment systems, and industrial water solutions

Industries Served: Municipal, semiconductor, power, mining, and industrial manufacturing 

Company Overview

Ovivo is a trusted name for advanced and specialized water treatment projects. Its membrane expertise makes it worth considering among Membrane Bioreactor Companies in the USA.

Ovivo is a global leader in flat-plate membrane technology. Nearly 700 water treatment experts support its projects in North America and other regions. Its microBLOX MBR systems are shipped as full package plants. Lower costs are offered for small sites, and build time is reduced.

Silicon carbide ultrafiltration membranes are also made at Ovivo’s Texas plant. This gives US buyers a local supply option. MBR wastewater treatment systems are provided for reuse and process needs. Support is also offered for demanding industrial wastewater treatment projects.

8. Aqua-Aerobic Systems

Headquarters: Rockford, Illinois, USA

Key Products: Aqua-Aerobic MBR membrane bioreactor, AquaMB multi-barrier system

Industries Served: Municipal wastewater, industrial process water, pulp and paper

Company Overview

Aqua-Aerobic Systems is a reliable and long-standing name in wastewater treatment. It is a strong option for buyers seeking experienced MBR suppliers for municipal projects.

Founded in 1969, Aqua-Aerobic Systems has spent over 50 years building treatment technology from its Illinois plant. That long history shapes its steady, well-tested product line today. Its MBR system uses timed air cycles and submerged membranes. The AquaMB Process adds cloth media and external membranes for added flexibility.

IntelliPro monitoring and spare-parts support help cities maintain system performance. Its technologies serve municipal and select industrial applications. Aqua-Aerobic Systems remains one of the experienced membrane bioreactor companies in the USA.

9. Koch Membrane Systems (Kovalus Separation Solutions)

Headquarters: Wilmington, Massachusetts, USA

Key Products: Membrane filtration, liquid-solid separation, industrial process membranes, and replacement systems

Industries Served: Water, wastewater, dairy, food, life sciences, mining, oil and gas, and lithium 

Company Overview

Koch Membrane Systems built a strong reputation for membrane filtration technology. Its legacy now continues through Kovalus Separation Solutions and the PURON product line.

The PURON hollow fiber membrane is submerged and reinforced. This design helps prevent breakage during repeated cleaning cycles. Koch Membrane Systems has since rebranded as Kovalus Separation Solutions. The company still produces PURON and now offers nanofiltration and other specialty filters.

Production continues at its headquarters in Wilmington. Kovalus also provides pilot testing and technical papers to help engineers plan retrofits and upgrades. Its membrane products are used for industrial wastewater treatment and other separation processes. When looking at specialized MBR suppliers and membrane technologies, buyers should take a look at Kovalus. 

10. Aquatech International

Headquarters: Canonsburg, Pennsylvania, USA

Key Products: BioMOD flat sheet MBR, Aqua-EMBR external MBR, AnMBR anaerobic MBR

Served: Industrial process water, oil and gas, power, water reuse, zero liquid discharge (a process that recovers nearly all wastewater)

Company Overview

Aquatech International is a leading choice for challenging industrial water projects. Its engineering expertise makes it a strong option among membrane bioreactor companies in the USA.

Based in Pennsylvania, Aquatech has more than 40 years of experience. It focuses on complex industrial water needs, including oil and gas, power, and manufacturing. Its BioMOD MBR uses flat sheet membranes and reverse diffusion for better flow control. The Aqua-EMBR system places membranes outside the tank, helping reduce construction time and civil work.

Aquatech also provides water reuse and zero liquid discharge systems. These solutions enable more water to be recovered from industrial facilities and waste to be minimized. The company provides challenging wastewater treatment solutions for industrial applications featuring reclaimed water. It’s also an excellent choice for the buyer who is comparing advanced MBR wastewater treatment systems.

11. BioMicrobics

Headquarters: Lenexa, Kansas, USA

Key Products: BioBarrier residential, graywater, and high-strength MBR systems

Industries Served: Commercial properties, decentralized sites, residential developments, wineries, and graywater reuse 

Company Overview

BioMicrobics is a trusted choice for smaller and decentralized wastewater projects. Its focused approach sets it apart from larger MBR manufacturers serving centralized treatment plants.

BioMicrobics specializes in small, decentralized systems rather than large central plants. This makes it a strong choice for sites without access to city sewer lines. Its BioBarrier MBR line meets NSF/ANSI Standard 40 requirements. This certification confirms treatment performance for homes processing up to 1,500 gallons per day.

The company has installed more than 80,000 systems in about 80 countries. Its SeptiTech and Scienco/FAST brands also serve marine and small commercial projects. The company’s systems can support smaller municipal wastewater treatment needs and onsite projects. It offers a different approach from large membrane bioreactor companies in the USA.

Conclusion

Water scarcity and old pipes are creating a need for better treatment systems. Many plants now need systems that save space and work well. MBR technology helps meet this need. This is driving demand for membrane bioreactor companies in the USA. However, membrane fouling and long-term membrane life remain key challenges. These issues can be harder for plants with limited budgets and small teams.

Choosing the right partner can affect plant performance for the next 15 to 20 years. Proven membranes and good technical support can help reduce project risk. The best MBR suppliers understand both municipal wastewater treatment and industrial wastewater treatment needs. They should also provide suitable MBR wastewater treatment systems and dependable technical support.

Oxymo Technology offers patented membranes and dual ISO certification. It also has project experience in 40-plus countries. Among the membrane bioreactor companies in the USA, Oxymo offers strong manufacturing and engineering capabilities.

If you are comparing membrane bioreactor companies in the USA, contact Oxymo Technology. Discuss your wastewater needs and find a suitable treatment solution.

Website: https://oxymotec.com/

Email: oxymo@oxymembrane.com

Contact No.: +86-13006353124

FAQs

What makes Oxymo Technology a strong pick among MBR suppliers?

Oxymo uses patented membrane technology and holds ISO 9001 and ISO 14001 certification. Its MBR wastewater treatment systems are used for municipal and industrial needs in over 40 countries.

What is the difference between hollow fiber and flat sheet MBR membranes?

Hollow fiber membranes fit more surface area into less space. Flat sheet membranes are easier to clean and less likely to break.

How much does a membrane bioreactor system cost?

The cost depends on the system size, membrane type, and site needs. MBR suppliers usually check the wastewater before giving a price. Installation, upkeep, power use, and membrane replacement also add to the total cost.

Which industries use membrane bioreactor systems most?

Cities, food and drink plants, drug makers, and oil and gas companies use MBR systems. These systems help meet water rules and save space. They are used for both municipal wastewater treatment and industrial wastewater treatment projects.