Sidco Filter Company Acquires Roome Technologies

Keltec Technolab Acquires Swift Filters

September 9, 2025

Manufacturing

Vance Street Capital portfolio company Keltec Technolab has acquired Swift Filters, a North American manufacturer of custom hydraulic filter and strainer elements founded in 1970. The deal combines Keltec's compressed air and gas filtration capabilities with Swift's hydraulic filtration expertise to create a broader product suite; terms were not disclosed and debt financing was provided by Apogem Capital.

R-Zero Acquires SecureAire

September 17, 2024

Building Products

R-Zero, a smart building technology provider, has acquired SecureAire, a Dunedin-based HVAC filtration and air purification innovator. The deal expands R-Zero's indoor air quality and decarbonization capabilities by adding SecureAire's low-pressure-drop, electrically-enhanced MERV13+ filtration and measurement tools to its product portfolio.

Cleanova (PX3 Partners) Acquires Sidco Holdings from Fairchild Capital Partners

July 24, 2024

Manufacturing

Cleanova, a portfolio company of PX3 Partners, has acquired Sidco Holdings LLP (together with Sidco Filter, LLC and Shawndra Products, Inc.) from Fairchild Capital Partners. Sidco Group is an industrial filtration manufacturer based near Rochester, New York; since Fairchild's 2019 investment the business expanded from one to four facilities, grew revenue more than fourfold and increased headcount from ~30 to over 130 employees.

Micronics (Vance Street-backed) Acquires SOLAFT Filtration Solutions

January 4, 2024

Manufacturing

Vance Street Capital’s portfolio company Micronics Engineered Filtration Group has acquired Solaft Filtration Solutions, a vertically integrated global industrial filtration solutions provider with manufacturing and R&D operations across Australia, Brazil, China and India. The deal expands Micronics’ engineered filtration product portfolio and geographic footprint, enhancing its ability to serve demanding end markets such as mining, power generation and water/wastewater treatment.

Equistone Acquires Majority Stake in SF-Filter AG

September 29, 2022

Industrial Services

Funds advised by Equistone Partners Europe have acquired a majority stake in SF-Filter AG, a Swiss-based independent distributor of mobile and industrial filters. The company was sold by existing investor Ambienta, management retains a significant stake via an MBO, and Equistone will pursue accelerated organic growth and a targeted buy-&-build strategy to expand SF-Filter's European footprint and e-commerce capabilities.

Rensa Filtration (Edgewater) Acquires Air Filters, Inc.

December 1, 2020

Manufacturing

Edgewater Growth Capital Partners IV’s portfolio company Rensa Filtration has acquired Air Filters, Inc., a Houston-based manufacturer of pleated and HEPA air filtration products. The deal is an add-on acquisition intended to expand Rensa’s product portfolio and capabilities in commercial and industrial HVAC and critical-environment filtration.