Harrell-Fish Acquires Ecofriendly Mechanical

New State Capital Partners Completes Majority Investment in Harrell-Fish Inc.

December 9, 2025

Construction

New State Capital Partners has completed a majority investment in Harrell-Fish Inc., a Bloomington, Indiana-based mechanical contractor, in partnership with Amethyst Capital Group. The existing owners retained significant equity and will remain with the company as New State positions HFI as a platform for organic growth and add-on acquisitions to expand geographically across the Midwest and beyond.

R&H Mechanical Acquires PJ's Plumbing & Heating (EMC Enterprises, LLC)

January 5, 2024

HVAC & Mechanical

R&H Mechanical, an employee‑owned mechanical contractor based in Eagle, Colorado, acquired PJ's Plumbing & Heating (EMC Enterprises, LLC) of Belgrade, Montana. The transaction closed on January 5, 2024 and brings PJ’s plumbing, heating and geothermal installation and service capabilities into R&H’s ESOP-owned platform to expand its geographic footprint and service capacity.

Heartland Home Services Acquires Custom Mechanical

April 18, 2022

HVAC & Mechanical

Heartland Home Services has acquired Custom Mechanical, a family-owned residential HVAC and plumbing services provider in Delaware and Maryland. The deal marks Heartland's first expansion onto the East Coast and will keep Custom's management team in place as the brand joins Heartland's portfolio.

Tech24 (HCI Equity Partners) Acquires Alliance Mechanical Services, Inc.

March 1, 2021

HVAC & Mechanical

Tech24, a national foodservice and HVAC equipment service platform backed by HCI Equity Partners, acquired Alliance Mechanical Services, Inc., a Chicago-area provider of commercial HVAC, refrigeration and foodservice equipment services. The add-on expands Tech24's cold-side capabilities and market share in the Chicago area and brings new blue-chip customers to the platform.

Albireo Energy Acquires Environmental Energy Corp.

September 17, 2019

Energy

Albireo Energy, the building automation and energy services platform backed by Huron Capital, has acquired Environmental Energy Corp. (EEC), a Deer Park, New York–based energy management systems provider serving large commercial and higher education buildings. The deal is an add-on to Albireo's platform intended to expand its presence in the New York metropolitan market and broaden its building automation capabilities.

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.