PKF Investment Banking Closes Sale of Armistead Mechanical, Inc. to PremiStar, LLC

PKF Investment Banking has announced the successful completion of the sale of Armistead Mechanical, Inc. to PremiStar, LLC, a portfolio company of Partners Group USA Corporation. The transaction, which closed on April 22, 2026, involves an undisclosed deal value. This acquisition reflects a strategic alignment aimed at preserving the legacy of Armistead Mechanical while fostering its future growth potential.

Founded in 1917, Armistead Mechanical has established itself as a key player in the mechanical construction and contracting sector, providing services to industrial and commercial clients across the New Jersey and New York areas. The company specializes in a range of services including industrial and process piping, plumbing, HVAC design and installation, and preventive maintenance. With a strong regional presence, Armistead Mechanical has built a reputation for quality and reliability, making it an attractive acquisition target for PremiStar.

PremiStar, formerly known as Reedy Industries, operates a vast network of 61 branches across 18 states, focusing on commercial HVAC, building automation, and plumbing services. With over 3,000 employees, PremiStar serves critical facilities in various sectors, including commercial, municipal, educational, and industrial markets. The acquisition of Armistead Mechanical is expected to enhance PremiStar's service offerings and market reach, leveraging the complementary strengths of both organizations to deliver greater value to customers.

The strategic rationale behind this transaction is rooted in the desire to combine resources and expertise to create a more robust service platform. Kevin Armistead, CEO of Armistead Mechanical, emphasized the importance of this partnership in fostering long-term growth and expanding market capabilities. By aligning with PremiStar, Armistead Mechanical aims to enhance its operational efficiencies and broaden its customer base, ultimately positioning itself for sustained success in a competitive market.

The broader implications of this transaction highlight ongoing consolidation trends within the HVAC and mechanical contracting sectors. As companies seek to enhance their service offerings and operational efficiencies, strategic acquisitions like this one are likely to become more prevalent. The partnership between Armistead Mechanical and PremiStar may serve as a model for future transactions, demonstrating how legacy companies can successfully navigate the evolving landscape while maintaining their core values and commitment to quality.