Saothair complete acquisition of AAI

July 29, 2025
Saothair complete acquisition of AAI

Saothair Capital Partners, LLC (Saothair), a private equity firm focused on investing in middle-market manufacturing and industrial companies, announced it has completed the acquisition of AAI from Halma Holdings Inc. (Halma) through a newly-formed affiliate.

Following the transaction, AAI will be named Air Products and Controls Inc. (APC), restoring the company’s historic name.

Fire and life safety detection solutions

Headquartered in Auburn Hills, Michigan, AAI is a designer and manufacturer of fire and life safety detection solutions for residential and commercial applications.

The company specializes in wireless smoke, heat and carbon monoxide (CO) detectors for residential security systems, as well as commercial duct smoke and CO detectors.

AAI has over 40 years of industry experience, with a strong track record of new product development and deep expertise in regulatory compliance and technical certifications.

AAI’s products are sold directly to residential security system OEMs, HVAC and fire system OEMs and commercial distributors, with its commercial offerings sold under the APC brand. All AAI products are designed to meet stringent regulatory codes and standards.

Co-Founder and Managing Partner, Saothair, Kevin Madden’s statement

Kevin Madden, Co-Founder and Managing Partner of Saothair, said: “We are tremendously excited to partner with Chief Executive Officer Kaid Cousineau and the senior leadership team to build on the company’s strong foundation and ensure a smooth transition.

“We thank Halma for their partnership throughout this process and for the opportunity to acquire AAI.”

Co-Founder and Operating Partner, Saothair, Richard Lozyniak’s statement

Richard Lozyniak, Co-Founder and Operating Partner of Saothair added: “AAI has a strong commitment to quality and customer satisfaction.

“We’re excited to work with the team to foster a culture of continuous improvement, strengthen the customer experience and build upon the company’s commitment to operational excellence.”

Chief Executive Officer, AAI, Kaid Cousineau’s statement

Kaid Cousineau commented: “This is an exciting new chapter for our company and our team.

“We are proud of what we’ve accomplished as part of Halma and we’re thrilled to partner with Saothair.

“Their long-term mindset, operational expertise and commitment to supporting growth will help us accelerate our strategic initiatives while delivering the quality, service and innovation our customers expect.”

Acquisition of AAI completed by Saothair: Summary

Saothair, a private equity firm focused on investing in middle-market manufacturing and industrial companies, announced it has completed the acquisition of AAI from Halma through a newly-formed affiliate.

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