Vectair Acquires Big D Industries

Vectair Acquires WizKid Products

November 3, 2025

Manufacturing

Vectair, a global aircare and hygiene provider (PE-backed), has acquired WizKid Products, a Dalton, Georgia-based manufacturer of urinal screens and antimicrobial mats. The add-on purchase expands Vectair’s product portfolio and capabilities in the commercial and industrial cleaning markets across the U.S. and globally.

Daikin Applied Acquires Alliance Air Products

March 2, 2023

Manufacturing

Daikin Applied has acquired Alliance Air Products, a San Diego–based manufacturer of custom air-handling equipment. The acquisition expands Daikin’s portfolio and engineering capabilities—strengthening its data-center cooling and custom HVAC offerings while enabling faster delivery and broader end-to-end solutions for mission-critical applications.

Nederman Acquires Duroair Technologies Inc

August 30, 2024

Manufacturing

Sweden-based environmental technology company Nederman has acquired Canadian air-filtration manufacturer Duroair Technologies Inc to strengthen its Extraction & Filtration Technology division in the US and Canada. The deal implies an enterprise value of approximately CAD 11 million with a potential earn-out of up to CAD 4 million; Duroair (headquartered in Niagara Falls, Ontario) will continue to operate under its brand and has about 10 employees.

CECO Environmental Acquires Western Air Ducts Ltd. (Inteliair)

June 27, 2022

Industrial Services

CECO Environmental completed the acquisition of UK-based industrial air quality consultancy and engineering firm Western Air Ducts Ltd., including its Inteliair intelligent control system. The deal folds Western Air into CECO's industrial air platform, expanding CECO's product and service offering (standard dust collectors, smart controls) and broadening its addressable market and geographic footprint.

Industrial Scientific Acquires Aeroqual

December 3, 2025

Environmental Services

Industrial Scientific, a division of Fortive Corporation, has acquired Aeroqual, a New Zealand–based leader in real-time air quality monitoring hardware and software. The acquisition expands Industrial Scientific’s worker-safety sensing capabilities by adding Aeroqual’s environmental monitoring technology and analytics to its portfolio.

Madison Industries' IAQ Vertical Acquires Big Ass Fans from Lindsay Goldberg

July 19, 2021

Manufacturing

Madison Industries’ Indoor Air Quality vertical (Madison IAQ) has agreed to acquire Big Ass Fans from funds managed by Lindsay Goldberg. Financial terms were not disclosed; the deal is expected to close in Q3 2021 and expands Madison’s indoor air quality and airflow product portfolio.