Purgo Holdings LLC Acquires Steri Technologies, Inc.

Purgo (Wincove) Acquires Puroflux from Montage Partners

September 10, 2025

Manufacturing

Purgo Holdings, a portfolio company of Wincove Private Holdings, has acquired Puroflux Corporation, a Simi Valley-based designer and manufacturer of industrial and commercial water filtration and control systems. The transaction represents an add-on to Purgo's water platform and follows Montage Partners' investment in Puroflux in 2018 to support founder succession and growth.

Purgo Holdings Acquires Air and Liquid Systems, LLC

May 20, 2022

Industrial Services

Purgo Holdings, a portfolio company of Wincove Private Holdings, has acquired Air and Liquid Systems, LLC (ALSI), a manufacturer and distributor of industrial filtration equipment serving paint finishing and pre-treatment applications. The add-on expands Purgo's filtration and separation product offering and broadens its industrial end-market coverage.

Purgo Holdings Acquires VSI, LLC and VSI Waterworks, LLC

October 17, 2024

Manufacturing

Purgo Holdings, a portfolio company of Wincove Private Holdings, has acquired VSI, LLC and VSI Waterworks, an Alpharetta, Georgia-based manufacturer of manual and automated valves serving commercial, industrial, and municipal markets. The deal expands PURGO's water portfolio and product offering into flow control components and is the platform's fifth acquisition since formation.

Purgo Holdings Acquires Superior Manufacturing (Superior Water Conditioners)

September 26, 2022

Manufacturing

Purgo Holdings, a portfolio company of Wincove Private Holdings, has acquired Superior Manufacturing, LLC (Superior Water Conditioners), a Fort Wayne, Indiana-based maker of chemical-free magnetic water conditioning systems. The add-on expands Purgo's water treatment and non-chemical conditioning product offering and continues the Sanderson family’s legacy as they transition the family business to Purgo.

Donaldson Company Acquires Purilogics

June 14, 2022

Biotechnology

Donaldson Company, Inc. (NYSE: DCI) has acquired Purilogics, LLC, an early-stage biotechnology developer of membrane chromatography products, for an initial purchase price of approximately $20 million plus milestone-based earnouts. The acquisition brings Purilogics' membrane purification technology into Donaldson's Industrial Filtration Solutions business to accelerate commercialization and expand Donaldson's life sciences capabilities.

Siegfried Holding AG to Acquire Noramco, Extractas Biosciences and Purisys from SK Capital Partners

January 27, 2026

Healthcare Services

Affiliates of funds advised by SK Capital Partners have entered into an agreement to sell Noramco, Extractas Biosciences, and Purisys of the Noramco Group to Siegfried Holding AG. The deal is subject to customary closing conditions and regulatory approvals, with SK Capital retaining ownership of Halo Pharmaceuticals after closing.