felt & filter media manufacturers USA

Your Needs…Our Superior Nonwoven Textiles

Exceeding Customer Expectations Through Excellence and Continuous Improvement

All of Superior employees are committed to providing excellent, cost-effective, timely services and products. Our objective is to surpass our customer’s expectations every time. We succeed in doing so by devoting ourselves to continuous quality improvement.

The Superior Felt & Filtration Leadership Team


Key Support Contacts


non woven fabric manufacturersSuccess can be defined as achieving triumph through accomplishment.  As one of the premier felt companies in the United States, we have defined success through a proven philosophy of being customer driven and providing quality products at competitive prices. Superior products, with dedication to our expanding customer base are just the beginning. 

We are focused on growth and new technologies.  We value our employees, providing a family culture and a team spirit within the workplace.

All of this transcends to a successful business model. Coupled with the most state of the art manufacturing equipment and the largest inventory of nonwoven textiles in North America, Superior Felt & Filtration is the clear choice for all your felt and filtration needs.



Superior Felt & Filtration defines success through a proven philosophy of being customer driven and providing quality products at competitive prices. Superior Felt & Filtration is dedicated to continued growth with focus on new technology and expanding product lines. We pride ourselves on providing an excellent work culture for our valued employees and doing the best job possible in every facet of our business. As an ISO 9001 company, Superior Felt & Filtration is a leader in the nonwoven textile industry. Our goal as a team is to service our customers the best way possible while improving our quality and capabilities, thus creating a foundation of success for the future.

History Timeline

October 2001

Frank Porto, Tom Leineberg and Joe Leineberg form Superior Felt & Filtration – Entering the market with over 70 years of combined experience in the Felt and Filtration industry focused on customer service and quality.

September 2002

John Bader joins Superior Felt & Filtration as the Midwest Sales Manager. Based out of our McHenry Corporate office, Johns expertise also includes product development and marketing.

April 2003

Acquired largest competitor at the time, Hollinee Felt with a goal of becoming the largest Industrial Felt supplier in North America.

January 2005

Became the exclusive North American distributor of Technostat® electrostatic media from Hollingsworth & Vose.

June 2005

Larry Peter joins Superior Felt & Filtration LLC, as the East Coast Regional Manager. Superior Felt & Filtration expands with a new East Coast office located in Boston, MA to better serve it’s customers.

March 2007

Superior Felt & Filtration becomes ISO 9001 certified with a focus on providing high quality products in the nonwoven industry.

March 2014

Superior Felt & Filtration expands into new state of the art facility in McHenry IL and launches new logo and marketing campaign.

April  2014

Matt Cox joins Superior Felt & Filtration, LLC as the South West Regional Manager.Matt brings a wealth of experience in the nonwoven industry to the Superior Felt & Filtration team.  Superior expands with a new South East office located in Spartanburg South Carolina.

May  2015

Superior Felt & Filtration announces plans to build a 70,000 square foot addition to their state of the art facility located in McHenry, IL.

November 2015

Superior’s expansion completion puts the largest inventory of nonwoven textiles in North American under one roof.

October 2016

Superior Turns 15! As an industry leader in the nonwoven markets, Superior is poised to continue it’s fast paced organizational growth. To see their growth story click here.

February 2016

Superior Felt & Filtration LLC adds state of the art Ultrasonic Welding equipment to compliment its value added capabilities for enhanced medical filter applications. This addition continues to position SFF as an innovative leader in the medical filter manufacturing industry.

May 2016

Superior Felt and Filtration LLC adds new automated packaging machines to meet the growing demand for preprinted packaging. This new technology allows SFF to not only design and fabricate life saving medical filtration technology and other nonwoven solutions but now provides private label packaging to fully turnkey any project from concept to completion.

January 2017

Superior Felt and Filtration LLC  has upgraded its singeing capabilities to better meet the growing needs of the liquid and air filtration markets. This new manufacturing upgrade provides the filtration industry with the most consistent singe available to modern needlepunch technology.

December 2017

We are pleased to inform you that Metric Felt Company, in Mokena, IL, has been purchased by Superior Felt & Filtration LLC, in McHenry IL, as of November 30, 2017.  Superior Felt will be providing Metric’s customers the same quality & service that you have experienced over the years, while offering a much wider array of products and services that you might find of particular interest to your company.  Superior Felt has been in business for over 15 years, with employees and ownership that have been involved in the nonwoven felt & filtration business for over 30 years

February 2018

James Allan joins Superior Felt & Filtration, LLC as a new Sales Manager with a focus in high-efficiency filtration and technical nonwovens. Formally a 30-year employee of 3M, James brings a wealth of experience and knowledge to the Superior Felt & Filtration team. With this exciting addition, SFF opens its fourth location in Minneapolis, MN.

January 2020

Superior’s growth continues with its fifth expansion in Aguascalientes Mexico. This new location in North America is our second expansion in the last two years. The new location allows Superior Felt & Filtration LLC. to increase its global presence as an industry-leading Manufacturer, Distributor, and Converter of felt and filtration products. The new office will be located at Av. Aguascalientes Norte 517, Interior 28 Bosques del Prado Sur Aguascalientes, Aguascalientes México. This will be the primary location for Regional Sales Manager, Daniel Villalobos.

April 2020

Superior Felt & Filtration is an essential subcomponent manufacturer supporting the disposable surgical hood, N95 mask component, BFE/VFE, and ventilator filter markets. Meeting the immediate medical filtration needs of the US government and its partners under the Defense Production Act, Superior Felt & Filtration, LLC has a global reach, exporting lifesaving filter technology across 6 continents, making Superior Felt & Filtration, LLC the largest sub-component filter manufacturer in the world. You can view Superior’s official COVID-19 press release HERE.

July 2020

To meet the growing need for PPE and lifesaving filtration for first responders and hospitals, Superior Felt & Filtration, LLC is expanding its operations to include a new 80,000 square foot Medical Filtration Division. Featuring highly advanced manufacturing equipment that will expand the capacity to respond to the growing global demands. Superior Felt & Filtration, LLC is advancing filtration technology with its global partners; changing the paradigm with more efficient and versatile designs to meet the needs of an ever-expanding filtration market.

August 2021

Superior Felt and Filtration LLC has opened a new office in Charlotte, North Carolina, in the heart of the North American nonwovens industry. The new location is designed to enable Superior to better utilize industrial resources and serve its customers, aligning with the company’s business expansion and long-term growth strategy. In tandem with the opening of Superior’s Charlotte office, the company announced its hiring of Ping Hao as Technical Nonwoven product manager. Hao has over 25 years of experience in Nonwoven and textile industries, including nanotechnology, spunmelt, spunlace, thermal bond, needle punching, thru-air bond, lamination, and mechanical and chemical finishing.

June 2022

We are excited to announce our new company, President Dennis Cook! Mr. Cook has more than 25 years of experience in medical device manufacturing focused on respiratory, anesthesia, emergency medical, and operating room products.  Products he led the development for were aerosol drug delivery, oxygen delivery, ventilator products, resuscitation products, CPAP & BiPAP therapy-related products, COPD (Chronic Obstructive Pulmonary Disease) related products, and medical filtration products.  He has started medical device manufacturing businesses and led large medical device manufacturing operations throughout his career. Dennis and his team at Superior Felt and Filtration will continue to expand service offerings to support customers and provide new opportunities for them and Superior Felt and Filtration’s employees. Lastly and most importantly Mr. Cook and his team will continue to build on the history of delivering world-class customer service and solutions to overcome difficult challenges new and existing customers may be experiencing.

January 2023

Superior Felt & Filtration, a contract manufacturing leader in medical nonwovens including lifesaving filtration technology, announces the opening of U.S. plastic injection molding (PIM) operations supported by its North American team of experienced PIM engineers. Now providing end-to-end services from product ideation to production of finished goods in the following MedTech areas: C02 filtering, insufflation filters, suction filters, vacuum filters, sample line filters, heat moisture exchange (HME) filters, syringe filters, and smoke evacuation filters.

May 2023

Superior is excited to announce the addition of pinsonic lamination services to its portfolio. Our contract manufacturing services now provide end-end solutions, catering to the needs of various MedTech sectors. From product ideation to the production of finished goods. Superior is strategically positioned to provide filtration solutions at competitive pricing.

July 2023

We are proud to announce our recent ISO 13485 Certification. The certification demonstrates our organization’s commitment to producing safe and effective medical devices that meet regulatory requirements and customer needs. Superior has implemented a comprehensive quality management system that adheres to the strict requirements of the new standards. Along with our ISO 9001 and recent FDA registration Superior is capable of providing contract manufacturing for finished liquid and filtration components

Our Partners

Hollingsworth & Vose is a partner of Superior Felt & Filtration. We are the exclusive North American distributor and Worldwide partner of Hollingsworth & Vose’s Technostat® line of Tribo Electrostatic filter media.