Filtration Group (Madison Industries) Acquires Molecular Products from Arlington Capital Partners

Madison Capital Partners Invests in Global Filter

March 31, 2023

Manufacturing

Madison Capital Partners, a Chicago-based investment firm, has made an investment in Global Filter, a Cedar Rapids, Iowa developer and manufacturer of validated filtration solutions. The capital will support Global Filter's continued product and technology development and strengthen its customer responsiveness across end markets including food & beverage, pharmaceutical, and petrochemical.

Filtration Group (Madison Industries) Acquires Flow Dry Technology

March 5, 2020

Manufacturing

Filtration Group, a Madison Industries company, acquired Flow Dry Technology, a designer and manufacturer of desiccant bags, value-added assemblies, and moisture-protection solutions. The acquisition marks an exit for Argosy Private Equity, which had owned Flow Dry since 2014; Flow Dry is headquartered in Brookville, Ohio with additional manufacturing facilities in China and Hungary.

Cleanwater1 Acquires PureAir Filtration

September 22, 2025

Environmental Services

Cleanwater1, a Baird Capital portfolio company, has acquired Atlanta-area PureAir Filtration, a manufacturer and servicer of gas‑phase air‑filtration systems and chemisorbent media. The acquisition expands Cleanwater1's gas‑phase solutions and aftermarket service capability for municipal and industrial water/wastewater and other industrial customers; PureAir's president Ashley Jameson will remain in place.

Medical Technology Associates Acquires Air Filtration Management

August 21, 2023

Professional Services

Medical Technology Associates, a portfolio company of PNC Riverarch Capital, has acquired Air Filtration Management, a Bethlehem, Pennsylvania-based provider of cleanroom and controlled-environment testing and certification. The acquisition is MTA's second in the Northeast and expands its capabilities and footprint in life sciences and technology controlled-environment testing and validation.

Micronics Engineered Filtration Group Acquires Action Filtration

November 19, 2024

Manufacturing

Micronics Engineered Filtration Group, a portfolio company of Vance Street Capital, has acquired Action Filtration, an aftermarket manufacturer of pleated and cartridge filters for dust collection and air pollution control. The add-on expands Micronics’ engineered filtration portfolio and manufacturing footprint to better serve industrial end markets requiring environmental and emissions control expertise.

Altos Partners Acquires JL Filtration from Clean Harbors

April 2, 2020

Industrial Services

Altos Partners LLC has acquired JL Filtration from Clean Harbors, in a carve-out that creates a standalone platform for growth. The transaction includes co-investment from ATB Private Equity, the Mikisew Group and JL Filtration’s incumbent management team, and positions the company to expand its industrial filtration equipment and services across Canada.