Parker-Hannifin Corp acquires Filtration Group Corporation

Parker-Hannifin Corp acquired Filtration Group Corporation for $9.25 billion in cash (cash-free, debt-free basis, subject to net working capital adjustment), a transaction announced in November 2025, structured as all cash.

Filtration Group Corporation operates in Filtration Group, is based in Headquartered in Oakbrook Terrace, Illinois; global operations, had revenue of about approximately $2 billion expected calendar-year 2025 sales. Filtration Group Corporation, a private company headquartered in Oakbrook Terrace, Illinois (affiliated with Madison Industries), provides complementary and proprietary filtration technologies for critical applications. Expected calendar-year 2025 sales of approximately $2 billion with approximately 7,500 employees, serving Life Sciences, HVAC/R, and in-plant and industrial verticals, with roughly 85% aftermarket sales. The pre-closing transfer of Filtration Group's Facet Filtration business to its stockholders is a closing condition.

Continues Parker's investment in high-quality businesses that transform its portfolio, accelerate sales growth and improve profitability; significantly expands Parker's filtration offering and recurring aftermarket business.

Large, high-margin filtration platform with ~85% aftermarket sales across resilient life sciences, HVAC/R and industrial markets. Approximately $220 million in pre-tax cost synergies expected by the end of year three. Expands Parker's Filtration Group