AMPAM Parks Mechanical Acquires Multi Mechanical, Inc.

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.

AMPAM Acquires Seal Electric

April 10, 2025

HVAC & Mechanical

AMPAM Parks Mechanical, a Gemspring Capital portfolio company, has acquired Seal Electric, an electrical contractor focused on multifamily residential projects in California and Arizona. The add-on expands AMPAM’s capabilities to offer integrated MEP (mechanical, electrical, plumbing) services for the multifamily market; terms were not disclosed.

Therma Holdings Acquires Integrated Mechanical Systems

February 25, 2019

Industrial Services

Therma Holdings LLC, a portfolio company of Gemspring Capital, has acquired the assets of Integrated Mechanical Systems, an Irwindale, California-based provider of mechanical design, fabrication, construction and maintenance services. The acquisition is intended to accelerate Therma's service offering and scale in Southern California by combining Integrated Mechanical into Therma's existing Southern California operations.

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.

Pueblo Mechanical & Controls Acquires Innovative Mechanical Systems

August 5, 2019

HVAC & Mechanical

Huron Capital-backed Pueblo Mechanical & Controls (the ExecFactor platform) has acquired Innovative Mechanical Systems, a Phoenix-based commercial HVAC installer and service provider. The undisclosed add-on deal expands Pueblo's service offerings and geographic reach in the Phoenix market and adds experienced technicians and preventative maintenance capabilities to the platform.

PremiStar Acquires Air Temp Mechanical (CT)

January 21, 2025

HVAC & Mechanical

PremiStar has partnered with Air Temp Mechanical, Connecticut’s largest independent commercial HVAC contractor, adding the 188-employee company to its national platform and expanding PremiStar’s footprint to 16 states. Air Temp Mechanical (founded 2001, led by Jeff Leone) provides HVAC installation, maintenance, building controls, plumbing and sheet metal fabrication to education, commercial/industrial, healthcare and government customers.