Palen Kimball (a Marsden Company) Acquires Signature Mechanical

Good Springs Capital Invests in Kimbel Mechanical Systems

July 1, 2024

HVAC & Mechanical

Good Springs Capital LP has completed an investment in Kimbel Mechanical Systems, a Fayetteville, Arkansas-based mechanical contractor offering plumbing, HVAC, and electrical services. The Kimbel family and senior management will remain significant owners and operators as Good Springs partners with the company to accelerate growth and pursue a focused acquisition strategy across its multi-state footprint.

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.

Limbach Holdings Acquires Kent Island Mechanical

September 3, 2024

Construction

Limbach Holdings, Inc. (Nasdaq: LMB) has acquired Kent Island Mechanical, LLC (KIM) for an initial purchase price of $15 million, with up to $5 million in performance-based earn-outs. The acquisition expands Limbach's mechanical/HVAC and plumbing capabilities and Mid-Atlantic footprint, and KIM is expected to contribute about $30 million in revenue and over $4 million in EBITDA annually beginning in 2025. Founder Mark Bowen retired at closing and some KIM leadership (including Director of Operations Kyle Benjamin) will join Limbach's Mid-Atlantic leadership team.

Ascension Property Services Acquires Palmetto Plumbing Co. of Hialeah Inc.

May 28, 2024

HVAC & Mechanical

Ascension Property Services has acquired Palmetto Plumbing Co. of Hialeah Inc., a South Florida plumbing contractor. The deal, closed May 28, 2024, will expand Ascension’s mechanical and plumbing capabilities and footprint in the South Florida market while providing Palmetto access to Ascension’s national resources to pursue larger and more diverse projects.

McKim & Creed Acquires Signature Automation, LLC

December 1, 2025

Engineering Services

McKim & Creed, an employee-owned engineering, planning, and geospatial services firm, has acquired Texas-based engineering consulting firm Signature Automation, LLC to expand its electrical and instrumentation capabilities and strengthen its presence in Texas. The deal brings Signature Automation's SCADA, instrumentation, controls, and IT infrastructure expertise into McKim & Creed's broader water and wastewater and electrical services offering.

PremiStar Acquires SI Mechanical

June 12, 2024

HVAC & Mechanical

PremiStar, a commercial and industrial HVAC, plumbing, and building automation platform, has acquired SI Mechanical, LLC, a full-service HVAC and plumbing contractor based in Creedmoor (Austin), Texas. The deal expands PremiStar's footprint in central Texas and brings SI Mechanical's local leadership and customer base (education, healthcare, commercial/industrial, and datacenters) into the PremiStar platform.