Add-on Acquisition • Manufacturing

Madison Industries Exits Filtration Group

On November 11, 2025, Parker Hannifin invested in manufacturer Filtration Group from Madison Industries for 9.3B USD

Investment Context
  • This is Parker Hannifin’s 39th transaction in the Manufacturing sector.
  • This is Parker Hannifin’s 2nd largest (disclosed) transaction.
  • This is Parker Hannifin’s 43rd transaction in the United States.
  • This is Parker Hannifin’s 8th transaction in Texas.

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Investment Summary

Date November 11, 2025
Target Filtration Group
Sector Manufacturing
Investor(s) Parker Hannifin
Sellers(s) Madison Industries
Deal Type Add-on Acquisition
Deal Value 9.3B USD
Advisor(s) Lincoln International (Financial)
Paul Hastings (Legal)

Target Company

Filtration Group

Austin, Texas, United States
Filtration Group designs and manufactures filtration systems and components for applications in healthcare, life sciences, environmental safety, and industrial processes. Filtration Group’s portfolio includes air, liquid, and process filtration solutions used across global markets to improve air quality, product purity, and equipment efficiency.. Filtration Group was founded in 1942 and is based in Austin, Texas.
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Investor Overview 1

Investor

Parker Hannifin

Cleveland, Ohio, United States

Category Company
Founded 1917
Sector Machinery
Employees61,120
Revenue 19.9B USD (2024)
DESCRIPTION
Parker Hannifin's corporate headquarters in Cleveland, Ohio.
Parker Hannifin's corporate headquarters in Cleveland, Ohio.

Parker-Hannifin is a diversified manufacturer of motion and control technologies and systems, providing precision engineered solutions for a wide variety of mobile, industrial and aerospace markets. Parker Hannifin was formed in 1917 and is based in Cleveland, Ohio.


Deal Context for Investor #
Overall 75 of 75
Sector: Manufacturing 39 of 39
Type: Add-on Acquisition 52 of 52
State: Texas 8 of 8
Country: United States 43 of 43
Year: 2025 2 of 2
Size (of disclosed) 2 of 9
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-06-30 Curtis Instruments

Mount Kisco, New York, United States

Curtis Instruments is an electrification partner to OEMs across a broad range of markets including material handling, golf and recreational vehicles, mobile elevated work platforms, construction, agriculture, turfcare, marine and select on-road segments. Curtis Instruments was founded in 1960 and is based in Mount Kisco, New York.

Buy $1.0B

Seller Profile 1

SELLER

Madison Industries

Chicago, Illinois, United States

Investor Investor Investor Investor Investor


Category Private Equity Firm
Founded 1994
Size Large
Type Sector Focused
DESCRIPTION

Madison Industries is a privately held investment holding firm that targets growth investments in and acquisitions of industrial manufacturing companies. Madison prefers businesses with a defensible market niche, established technology, and significant cash-flow growth potential. Madison will also consider turnaround situations. Target opportunities generally have sales between $50 million and $2 billion. Madison Industries is based in Chicago, Illinois.


Deal Context for Seller #
Overall 20 of 20
Sector: Manufacturing 2 of 2
Type: Add-on Acquisition 10 of 10
State: Texas 2 of 2
Country: United States 19 of 19
Year: 2025 2 of 2
Size (of disclosed) 1 of 4
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-08-18 Hydra-Stop

Burr Ridge, Illinois, United States

Hydra-Stop manufactures specialty valves, fittings, and installation equipment serving water utility service providers and municipalities. Its products prevent water service shutdowns for municipalities and critical facilities by allowing only the affected section of a water pipe to be repaired, versus shutting down vast sections of a water system. Hydra-Stop was founded in 1980 and is based in Burr Ridge, Illinois.

Sell $290M