Top Filtration System Manufacturers | Quality Filter Suppliers

Choosing the right filtration system manufacturer isn’t just about price. It’s about performance, reliability and whether the filter you choose can stand up to the demands of your industrial process.

The wrong filter can lead to equipment damage, downtime, or failed compliance tests. That’s why we’ve researched and compared dozens of filter manufacturing companies to bring you this list of the best in the industry.

Leading the pack is Pullner Filter, whose combination of engineering precision, full in-house production and global technical support sets a high bar for what a filter manufacturer should offer. But each company on this list brings something unique to the table. Whether you need membrane filtration, oil separation or custom housings, this guide will help you find the right filter for your application.

How We Chose Filtration System Manufacturers

We evaluated each filtration system manufacturer on a range of technical, operational and application-specific factors to make sure they deliver value across different industrial settings and use cases:

Manufacturing Capacity: We looked at daily output volumes, number of production lines and cleanroom scale to assess who can handle bulk or urgent orders.
Industry Standards & Certifications: ISO 9001, FDA, EC1935/2004, ATEX and PED compliance were key indicators of quality and process reliability.
Minimum Flow Rates and Pressure Tolerances: We checked each filtration system manufacturer’s ability to meet high-pressure or high-volume demands, especially in industrial water, oil and gas filter systems.
Specific Industry Focus: Whether it’s semiconductors, pharmaceuticals, food and beverage or seawater desalination, we prioritized companies with proven sector expertise.
Advanced Filtration Technologies & USPs: From Omnipure’s glue-free friction-welded seals to NEWater’s automatic self-cleaning filters, we gave weight to unique, performance-driven features.
Customization & OEM Capability: We selected filter manufacturers and suppliers that offer custom housing builds, media blending or full OEM/ODM support.
Global Reach & Service Footprint: Local support teams, overseas factories or active global exports were strong factors in operational reliability for filtration system manufacturers.
Filter Type Variety: Filter manufacturing companies needed to offer more than just one format. Cartridges, bag filters, membranes and coalescers all contributed to scoring.
System Integration Readiness: We favored filtration system manufacturers who offer more than just components, those who support housing design, skids, automation, turnkey and advanced filtration systems.

Leading Manufacturers In Water Filtration Efficiency

1. Pullner Filter

Pullner has earned its place at the top with a mix of engineering expertise, fast delivery and competitive pricing. Everything is done in-house, from injection-molded end caps to final testing, so you can trust the quality to be consistent and fully traceable.

Their catalog is impressive, covering pleated, membrane, capsule, melt-blown and coalescing filters for a wide range of filtration applications. Pullner is also the only Chinese supplier approved by Saudi Aramco, which says a lot about their standards.

What really sets them apart is their in-depth testing capabilities and global service footprint. Their lab equipment includes pore size analyzers, ICP-MS and particle counters, and they offer custom solutions with support teams in the Middle East, Europe and Southeast Asia.

Pullner operates under a certified ISO 9001 quality system with full traceability and 100% inspection across important process points. If you’re looking for a smart, cost-effective alternative to big names like Pall or 3M, they’re well worth looking at.

Pros	Cons
✅ Over 10 production lines and 3,000 square meters of purification workshops.	❌ Lacks the long legacy and brand recognition of older filtration manufacturers.
✅ Uses field emission scanning electron microscopes and PMI membrane analyzers with a resolution as fine as 3 nanometers.
✅ Capable of producing thousands of filter elements per day, helping buyers meet urgent demand without sacrificing consistency or quality.

2. Omnipure Filter Co.

Omnipure has been a trusted name in the world of filter manufacturing companies since 1970, best known for its point-of-use and inline filtration systems. From their facility in Idaho, USA, they produce millions of filters each year, serving both residential and commercial needs with plug-and-play filters designed for convenience.

Their filter range includes the CL, K, Q, E, L, and ELF series, all of which use high-quality filter media like activated carbon, polyphosphate blends and lead-specific blocks. Their friction-welded construction means you don’t have to worry about glues or binders, as they use just a strong, leak-proof seal. Some Omnipure models (eg. K5405) are tested at 1.28 gpm at 60 PSIG, and many cartridges support up to 125 PSIG. The max pressure they can handle is 125 PSIG.

Omnipure’s ELF Series is particularly popular in food service and beverage operations, offering high flow rates and long service life in a compact and easily replaceable format. For those looking for scalable, modular and US-made filtration, Omnipure is a reliable choice.

Pros	Cons
✅ Modular media options across product lines (eg. carbon block, lead, polyphosphate) for tailored filtration solutions.	❌Primarily focused on point-of-use and beverage applications, may not suit heavy-duty industrial filtration.
✅ ELF Series supports high-capacity use cases (~20,000 gallons), ideal for restaurants and beverage systems.
✅ Performs internal prototyping, product testing and validation against ANSI/NSF protocols (42, 53, 58) and supports full certification dossiers.

3. ResinTech

ResinTech is a long‑established player in the filter manufacturing companies and industrial filtration space, especially in ion exchange, water purification and specialty media. They manufacture ion exchange resins, activated carbon and filter cartridges, all 100 % made in the USA. Plus, their internal QA/QC labs give you peace of mind that you’re getting excellent quality.

ResinTech’s Camden factory alone handles over 550,000 ft³ of resin per year, and having multiple sites means they can deliver a combined capacity exceeding 2 million ft³ annually. They maintain ISO 9001:2015 certification throughout their various operations and many of their products carry WQA Gold Seal / NSF/ANSI approvals.

Their product line is broad: resin media (strong acid cation, weak base anion, mixed beds), specialty and selective media, granular activated carbon and inline/drop‑in filter cartridges. They also offer lab services, resin regeneration, custom media formulation and consulting, giving them depth beyond just hardware.

ResinTech serves municipal, commercial, industrial and lab water markets, handling challenges like PFAS remediation, arsenic removal, boiler feed water and ultrapure water systems. Their vertically integrated approach and media expertise set them apart in the industrial filter manufacturers landscape.

Pros	Cons
✅ Distributes globally across 100+ countries, with distribution and service support tied to its multiple U.S. and international facilities.	❌ Their focus leans more to water treatment media than full large-scale filtration systems.
✅ Full in‑house media formulation and OEM cartridge design capabilities, allowing custom filtration solutions.
✅ Inline cartridges are rated for up to 125 psi pressure with nominal filter ratings (eg. 25 µ) in certain models.

4. Amazon Filters

Amazon Filters is well-known among industrial filtration companies and filtration system manufacturers, especially in Europe. They specialize in bespoke filtration equipment, filter cartridges, capsules, filter housings and skids, serving sectors from water treatment and chemicals to food and beverage and energy.

Their strength lies in marrying standard designs with customization. In addition to their broad catalog of depth filters, pleated filters, membrane filters, coalescers and activated carbon types, they’ll tailor housings or skids to your process conditions, with your specific material compatibility, flow rates, pressure and space constraints built in.

Their claim of “fastest delivery, highest quality, lifetime value” speaks to their focus on system reliability over just selling components. Because they’ve been in business for over 35 years, Amazon Filters has built institutional knowledge in process filtration across multiple industries, so you can trust that you’re getting exceptional quality products from them.

Pros	Cons
✅ Their 62 Series housings operate to ~10 bar (liquid) and up to 25 bar in some stainless housings and the “59 Series” housing handles up to 400 bar for high viscosity fluids.	❌Their strength in European and industrial sectors might mean less presence or support in some regions (eg. remote industrial facilities in emerging markets).
✅ Meet key industry standards including PED, ATEX, FDA, EC1935/2004 and UKCA.
✅ Designs and fabricates their own filter housings, allowing for full compatibility, shorter lead times and better control over system integration.

5. NEWater

NEWater is a full-scale Chinese filtration system manufacturer and industrial filter supplier, offering a broad portfolio of industrial water filters, reverse osmosis units, ultrafiltration systems, UV sterilizers and custom filter housings.

Their biggest strength lies in being able to both fabricate parts and design full water filtration systems, making them much more than just a filter vendor. All NEWater drinking and industrial filtration products carry ISO 9001 certification for design and manufacture.

From sand media filters and carbon filters to multi-media and membrane modules, NEWater provides for applications in municipal water, desalination, semiconductor rinsing, boiler feedwater and wastewater polishing.

Their systems use continuous online scrapping and backwash logic to keep filter screens clean and prevent clogging, a useful feature for more challenging feeds. It’s also worth knowing that they run standardized SOPs, 5S workshop controls and claim automated PLC control for many units.

Pros	Cons
✅ Standard units support flows of 1 to 100 m³/h, while custom systems extend that range further.	❌ May lack depth in very high-purity specialty filter media (eg. ultra-fine membranes) compared to niche industrial filter manufacturers.
✅ Exports to over 100 countries with proven experience delivering filtration systems to remote and large-scale industrial facilities.
✅ Offers multiple filter types including bag filters, cartridge filters, disc filters, and self-cleaning screen filters.

6. Filson Filters

Filson Filters is a China‑based filter manufacturer and industrial filtration company, producing custom and replacement filter elements, housings and full filtration systems. Their factory is well-equipped with full in-house capabilities (sintering, MIG/TIG welding, assembly, plating), with testing infrastructure up to 400 bar for high-pressure validation.

They produce a huge range, including hydraulic filters, stainless steel cartridges, basket strainers, self‑cleaning filters and filter housings for fluid and gas service.

They support global clients by offering modular designs, OEM replacement elements (for 200+ brands) and broad media options like cellulose, metal felt, stainless wire mesh and micro‑fiberglass.

Filson’s hydraulic and oil filtration systems are widely used in heavy machinery, petrochemical, mining, power, and automotive sectors.

Pros	Cons
✅ Multiple production lines rated for flows from 0.2 to 15,000 L/min and design pressures up to 45 MPa.	❌ Their focus is heavily on fluid and oil filtration rather than ultra‑high purity or specialty membrane systems.
✅ Supports up to 400 m³/h flow and housings rated to 100 bar / 1450 psi.
✅ Maintain a robust filter performance lab and quality control protocols (ISO/CE).
✅ ISO 9001 certified, holds CE, UL, and ASME pressure vessel certifications, and provides EN 10204:2004/3.1 material reports.

7. Orientfiltr

OrientFiltr is a Chinese filtration system manufacturer and filter supplier that calls itself a “high‑precision filtration” specialist. Their product lineup includes pleated cartridges (PP, PES, PTFE, PVDF, nylon), capsule filters, resin-bonded filters, membrane filters (UF, RO) and a wide variety of filter housings under their “SteelFlux” brand.

They do both standard and customized filtration solutions, integrating R&D, production and sales to serve industries including biotech, semiconductors, pharmaceuticals, oil and gas and water treatment. They also run a validation center for bacterial retention, chemical compatibility, extractables/leachables and integrity testing.

Pros	Cons
✅ OEM & ODM capabilities allowing clients to get tailor‑made filtration components rather than off-the-shelf only.	❌ Their global service network is less prominent, which may slow after-sales or local support in remote industrial regions.
✅ Operates ISO-class cleanrooms for the production of sterile and high-purity filtration products.
✅ Provide full validation support including FDA/USP compliance, making it easier for customers in regulated industries to pass audits and meet global filtration standards.

Find the Right Filtration System Manufacturer for You

Whether you’re managing water treatment for a municipality, filtration in a semiconductor facility or oil separation in an industrial filtration system, the right partner makes all the difference. The filtration system manufacturers featured here offer more than just filters. They deliver reliability, technical depth and solutions engineered for demanding environments.

From Pullner’s global support and advanced testing capabilities to Omnipure’s friction-welded cartridges and ResinTech’s media chemistry expertise, each of the filtration experts on this list brings something unique to your water filtering system.

Take the time to explore their filtration services and technical specs. The right filtration solution isn’t just about specs, it’s about finding a supplier who understands your industry, your pressures and your standards.