Top 10 Filter Press Suppliers in the United States

Founded back in 1985 and headquartered in Milwaukee, Wisconsin, EcoPress Solutions has built a reputation as the go-to for companies that prioritize both performance and sustainability. What started as a small workshop focused on custom metal fabrication has grown into a national leader in filtration technology, with a product line that includes everything from small lab-scale units to industrial-grade filter press equipment capable of processing thousands of gallons per hour.

What really sets EcoPress apart is their commitment to green innovation. Their latest series, the EcoPro line, features energy-efficient pumps, recyclable filter cloths, and smart monitoring systems that reduce water and chemical usage by up to 30%. It’s no wonder they’re a favorite in the water process equipment sector, with clients ranging from municipal wastewater plants to food and beverage manufacturers.

“We’ve been using EcoPress filter presses for over a decade, and the difference in our sludge handling costs is night and day,” says Mark Thompson, operations manager at a mid-sized brewery in Colorado. “Their team even helped us integrate the press with our existing air pollution control system equipment , making our entire facility more eco-friendly.”

With roots dating back to 1962, IFT is a true industry veteran, and their longevity speaks volumes. Headquartered in Houston, Texas—right in the heart of America’s industrial hub—they’ve carved out a niche serving heavy-duty sectors like oil and gas, mining, and chemical processing. Their bread and butter? Robust, high-pressure filter presses designed to handle the toughest slurries, from abrasive mining tailings to corrosive chemical byproducts.

One of IFT’s standout offerings is their MaxForce line of hydraulic filter presses, which use advanced pressure technology to achieve drier cakes and faster cycle times than many competitors. They also specialize in retrofitting older systems with modern upgrades, a service that’s been a hit with factories looking to extend equipment life without shelling out for brand-new machines. And yes, they’re well-versed in integrating with water process equipment and dry process equipment setups, making them a versatile choice for complex operations.

“When you’re dealing with sludge that’s half rock and half liquid, you need a filter press that can take a beating,” laughs Carlos Mendez, a plant engineer at a copper mine in Arizona. “IFT’s presses have been running 24/7 for three years straight, and we’ve only had to ｒｅｐｌａｃｅ a few filter cloths. That’s reliability you can count on.”

Based in Portland, Oregon—a city known for its eco-conscious culture—CleanFlow Systems is all about pushing the envelope when it comes to smart, sustainable filtration. Founded in 2001 by a team of environmental engineers, they’ve made a name for themselves by focusing on automation and data-driven design. Their filter presses aren’t just machines; they’re connected systems that learn and adapt to your process.

Take their SmartPress series, for example. Equipped with IoT sensors and AI-powered controls, these presses can adjust pressure, cycle times, and cloth washing schedules in real time based on slurry consistency. The result? Up to 25% higher throughput and 15% lower energy costs compared to traditional models. They’re also pioneers in dry process equipment integration, with systems that seamlessly feed dewatered cake into thermal dryers or hydraulic briquetter equipment for easy disposal or reuse.

“We were skeptical about all the ‘smart’ hype at first, but CleanFlow’s system blew us away,” says Jamie Liu, sustainability director at a paper mill in Washington. “We can monitor the press from our phones, and it even sends alerts if something’s off. Plus, their filter press equipment has cut our water usage so much, we qualified for a state sustainability ｇｒａｎｔ.”

You can’t talk about filter presses in the U.S. without mentioning National Filter Press Co. Established in 1938 and based in Chicago, Illinois, this family-owned business has weathered everything from economic downturns to industry disruptions, and they’re still going strong. What’s their secret? A no-nonsense approach to quality and customer service that’s hard to match.

National Filter Press specializes in both manual and automatic filter presses, with a focus on durability and ease of maintenance. Their NFP-5000 series, for instance, features a simple, rugged design with fewer moving parts than most competitors, which means less downtime and lower repair costs. They’re also one of the few suppliers that still offers fully customizable presses, built from the ground up to fit unique space constraints or process requirements—perfect for older factories with tight layouts.

While they might not be as flashy with tech as some newer players, their reliability has made them a staple in industries like municipal wastewater, where consistency is key. “We’ve got National presses that have been in service since the 90s,” says Lisa Gonzalez, operations supervisor at a wastewater treatment plant in Ohio. “They’re not the fanciest, but they work, and when we need parts or service, their team is on the phone within minutes. You can’t put a price on that kind of trust.”

Headquartered in Charlotte, North Carolina, PFT is the new kid on the block compared to some others on this list—founded in 2010—but they’ve quickly made a name for themselves by focusing on niche markets that bigger suppliers often overlook. Think: small to mid-sized businesses, research labs, and specialized industries like pharmaceuticals and electronics manufacturing, where ultra-fine filtration and strict purity standards are non-negotiable.

Their flagship product, the MicroPress line, is a compact filter press equipment designed for low-volume, high-precision applications. These units use specialized membranes and ultra-thin filter plates to achieve particle retention down to 0.1 microns, making them ideal for filtering sensitive materials like pharmaceutical slurries or electronic waste processing fluids. They also offer turnkey water process equipment packages for labs and small factories, complete with pre-filtration and post-treatment components.

“As a biotech startup, we needed a filter press that could handle small batches but still meet FDA standards,” explains Dr. Sarah Chen, a research director in Massachusetts. “PFT worked with us to design a custom MicroPress that integrates with our existing lab setup, and it’s been a game-changer for scaling up our production without compromising on quality.”

Based in Phoenix, Arizona, Western Filter Systems has been serving the western U.S. since 1978, with a focus on industries that thrive in the region: mining, agriculture, and food processing. What started as a regional distributor has evolved into a full-fledged manufacturer, known for their tough, desert-ready equipment that can handle extreme temperatures and dusty conditions.

Their DesertPro filter presses are built with corrosion-resistant materials and sealed electrical components to stand up to the harsh desert climate, but they’re just as popular in other parts of the country. Western Filter also prides itself on fast turnaround times—something that matters when a breakdown at a remote mine site can cost thousands in downtime. They offer same-day shipping on most parts and 24/7 emergency service, with technicians available to travel to even the most isolated locations.

“We run a large dairy operation in New Mexico, and our filter press is critical for processing whey and manure,” says ranch owner Tom Wilson. “Western Filter’s team installed our press in record time, and when we had an issue during calving season—our busiest time—they had a technician out the next day. You don’t get that kind of service from the big national brands.”

For companies that need more than just a filter press—think full-scale environmental compliance systems—AET, based in Atlanta, Georgia, is the way to go. Founded in 1995, they specialize in turnkey solutions that combine filtration, wastewater treatment, and air pollution control system equipment into a single, integrated package. Their expertise lies in helping clients navigate complex regulations, from EPA standards to local environmental codes.

AET’s filter presses are often part of larger systems designed for industries like hazardous waste treatment, chemical manufacturing, and electronics recycling. For example, their ECO-Flow line includes not just the press itself, but also pre-treatment tanks, chemical dosing systems, and even air pollution control system equipment to capture emissions during processing. They also offer comprehensive testing and certification services to ensure systems meet all regulatory requirements before going live.

“When we expanded our battery recycling plant, we needed a system that could handle both solid-liquid separation and air quality control,” says Raj Patel, plant manager at a recycling facility in Tennessee. “AET designed a custom setup that includes their filter press, a scrubber system, and real-time monitoring tools. Now we’re not just compliant—we’re setting the bar for sustainability in our industry.”

Headquartered in Minneapolis, Minnesota, NFG has been a staple in the upper Midwest since 1968, serving industries like pulp and paper, steel manufacturing, and automotive. They’re known for their heavy-duty, high-capacity filter presses, but what really makes them unique is their focus on energy efficiency—something that resonates in a region where winter energy bills can skyrocket.

Their ArcticPro line, for example, uses insulated filter plates and energy-recovery systems to minimize heat loss during operation, making them ideal for cold climates. They also offer variable-speed pumps and smart controls that adjust energy usage based on demand, which can cut electricity costs by up to 20%. And like many on this list, they’re experts at integrating with dry process equipment and water process equipment to create seamless workflows.

“Running a steel mill in Minnesota means dealing with freezing temperatures half the year,” says John Anderson, maintenance manager at a steel plant. “NFG’s ArcticPro press doesn’t just handle our sludge—it does it without guzzling energy, even when it’s -20 outside. That alone has saved us tens of thousands on our utility bills.”

Based in Birmingham, Alabama, Southern Filter Works has deep roots in the South, dating back to 1955. Originally focused on serving the region’s textile mills, they’ve since expanded to serve a wide range of industries, including food processing, wastewater, and construction. What keeps customers coming back? Their commitment to affordability without sacrificing quality.

Southern Filter Works offers a range of budget-friendly filter presses, from basic manual models to semi-automatic units, all priced significantly lower than comparable options from national brands. They achieve this by keeping production local, using domestic materials, and streamlining their supply chain—no middlemen, no import fees, just straightforward pricing. They also offer flexible financing options, making them a great choice for small businesses or startups.

“As a family-owned farm, we couldn’t afford the big-name filter presses, but we still needed something reliable for processing manure,” says Maria Hernandez, who runs a dairy farm in Mississippi. “Southern Filter Works worked with us to find a used, refurbished press that fit our budget, and it’s been running like a charm for two years now. They even gave us free training on how to maintain it—you don’t get that kind of care from the big companies.”

Rounding out our list is IFS, a California-based supplier founded in 2005 that’s all about pushing the boundaries of what filter presses can do. Headquartered in San Francisco, they’re at the intersection of tech and sustainability, and it shows in their product line—think solar-powered presses, 3D-printed filter plates, and blockchain-enabled tracking systems for compliance documentation.

Their SolarPress line, for example, uses solar panels to power auxiliary systems like pumps and controls, reducing grid electricity usage by up to 40%. They’re also exploring the use of recycled materials in their filter plates, with a prototype made from 80% post-consumer plastic that’s currently in testing. While some of their innovations are still in the early stages, they’re quickly gaining traction with forward-thinking companies looking to future-proof their operations.

“We wanted our new facility to be carbon-neutral, so we turned to IFS for a solar-integrated filter press,” says Alex Rivera, sustainability director at a food processing company in California. “It’s still early, but the data so far is promising—we’re generating more than enough solar power to run the press, and the blockchain tracking system makes it easy to prove our sustainability claims to customers and regulators.”