Amber Mechanical Contractors Acquired by a Private Investor

Private Investment Group Acquires The Nutmeg Companies, Inc.

June 12, 2026

Industrial Services

Generational Group advised The Nutmeg Companies, Inc. in its sale to a private investment group active in the mechanical and building services space across 11 states. The acquisition closed on June 1, 2026.

CCMP Growth Advisors Acquires Airo Mechanical

August 7, 2025

HVAC & Mechanical

CCMP Growth Advisors has acquired Airo Mechanical, a Mooresville, North Carolina-based provider of HVAC and plumbing installation services, from an investor group led by Thomas Investments and Stephens Capital Partners. Management (CEO Matt Baude and CFO Angelia Ryan) will remain significant shareholders and Pete Papagiannis will join the board to advise on growth initiatives as CCMP Growth helps expand Airo's capabilities and geographic footprint across the Southeast.

Private Investor Acquires A&Z Mechanical, Inc.

November 1, 2024

HVAC & Mechanical

Generational Group advised A&Z Mechanical, Inc., an HVAC contractor based in Colorado Springs, Colorado, on its sale to an unnamed private investor, with the transaction closing November 1, 2024. A&Z Mechanical provides HVAC installation, repair, and maintenance services for new single-family construction as well as commercial and residential customers.

AMPAM Parks Mechanical Acquires Multi Mechanical, Inc.

November 28, 2023

HVAC & Mechanical

AMPAM Parks Mechanical, a Gemspring Capital portfolio company, has acquired Multi Mechanical, Inc., an HVAC services provider focused on the multifamily market in Southern California. The deal expands AMPAM’s service offering by adding HVAC installation and servicing capabilities to its existing design‑build plumbing platform; founding members of Multi Mechanical will continue to lead the HVAC business under AMPAM.

Gemspring Capital Acquires AMPAM Parks Mechanical

October 4, 2023

HVAC & Mechanical

Gemspring Capital Management affiliate has acquired a majority interest in AMPAM Parks Mechanical, a Carson, California–based design-build plumbing provider serving the multifamily residential market. The founders will retain significant ownership and Gemspring plans to support geographic expansion, cross-selling of additional trade services, and M&A-driven growth to expand AMPAM's footprint and capabilities.

Colorado Mechanical Systems Acquires AMI Mechanical Systems

February 11, 2021

HVAC & Mechanical

Colorado Mechanical Systems (CMS), a Centennial, Colorado-based commercial and industrial HVAC, plumbing and building controls provider, has acquired AMI Mechanical Systems of Thornton, Colorado. The acquisition expands CMS's service footprint in the Mountain West and strengthens its position in core end markets including healthcare, education, municipal, senior living and industrial customers; AMI founders Manuel Gonzales and Paula Wiley will transition out and AMI's construction arm will continue operations post-close.