Case Studies

Filtration Group: Making the World Better

Seeing the need to make the world safer, healthier and more productive, Madison set out in 2009 to build a filtration business with an unparalleled array of products and customer-centric solutions to meet some of the most demanding applications. Today, Filtration Group is the fastest growing filtration company in the world. Filtration Group is passionate about cleaning air, reducing carbon emissions, increasing energy efficiency and keeping food, water and medical procedures safe through its wide range of filtration solutions. Serving industry leaders across the globe, Filtration Group operates facilities in 20 countries under four strategic business units: Medical/Bioscience, Liquid/Process, Environmental Air and Fluid. Headquartered in Chicago, Illinois, Filtration Group provides solutions to customers in the food & beverage; water, micro-electronics & telecommunications; environmental air; medical, pharma & bioscience; hydraulic fluid; mining & minerals; industrial finishing and energy industries.


Filtration Group had another tremendous year in 2017 growing 30% to over $1.3 billion in revenue. During the year, Filtration Group invested over $400 million in new buildings, equipment and product lines.


George C. Nolen, former CEO of Siemens, remains President, CEO & Chairman of the Filtration Group and Tim McCarty, former head of Deloitte in the central region, continues as President of the Indoor Air Quality Division of Filtration Group.


Our goal remains to invest in the best people, technologies and strategies to grow a truly unique organization that delivers outstanding customer value. We believe this is the best way to build the greatest filtration company in the world!