Cleanwater1 Acquires PureAir Filtration

Talica Acquires Pure Clean Systems

August 4, 2026

Industrial Services

Talica announced the acquisition of Pure Clean Systems, a provider of high-purity cleaning, passivation, derouging, bioburden remediation, and electropolishing services. The deal is intended to strengthen Talica’s field execution capabilities and expand its presence in high-purity environments, including biotech/pharma and data center cooling systems.

Rensa Filtration Acquires Air Filtration Co., Inc.

June 19, 2025

Industrial Services

Rensa Filtration, a manufacturer of advanced commercial air filtration systems and a portfolio company of Audax Private Equity, acquired Air Filtration Co. The acquisition expands Rensa’s national growth plan, strengthening its Midwestern footprint and adding Air Filtration Co.’s product and service capabilities.

Cleanwater1 Acquires Integrity Municipal Systems (IMS)

February 4, 2025

Environmental Services

Cleanwater1, a Baird Capital–backed water technologies platform, has completed the acquisition of Integrity Municipal Systems (IMS), a designer and supplier of packaged lime slaking, chemical feed, odor control and related process systems for municipal and industrial water/wastewater customers. The deal expands Cleanwater1’s engineered solutions and service capabilities for lime systems, odor control and chemical feed systems.

cleanwater1 Acquires Velocity Dynamics, LLC

January 3, 2024

Environmental Services

cleanwater1 (formerly UGSI Solutions), a Baird Capital portfolio company, has acquired Velocity Dynamics, LLC, a provider of proprietary dry and liquid feed systems for chemistry optimization in water/wastewater utilities and industrial plants. The deal expands cleanwater1’s product and engineering capabilities in polymer blending, chemical feed and bulk handling to support customers facing higher chemical costs and stricter environmental requirements.

RapidAir (Engineered Specialties) Acquires Alpha-Pure Corporation

December 7, 2021

Industrial Services

Engineered Specialties, LLC d.b.a. RapidAir (a Pfingsten portfolio company) has acquired Alpha-Pure Corporation, a Michigan City, Indiana-based distributor of compressed air treatment and condensate management products. The add-on deal expands RapidAir's product portfolio and customer reach across distributors, contractors, automotive and farm & ranch retailers; the transaction closed November 19, 2021.

Waterlogic Acquires Pure Water Technology Ohio and Pure Water Technology Georgia

November 5, 2019

Industrial Services

Waterlogic, the Castik Capital-backed designer and operator of point-of-use drinking water systems, has completed the acquisitions of Pure Water Technology (PWT) Ohio and Pure Water Technology (PWT) Georgia. The add-on deals expand Waterlogic's U.S. footprint, adding an estimated 11,000 dispensers and more than 5,000 customers while integrating the PWT teams into Waterlogic's sales and service network.