Leading Executives in Heating, Ventilating, Cooling, Mechanical Contractors
Dean Allen
Chief Executive Officer, Chairman, McKinstry
Longtime CEO credited with scaling McKinstry’s design-build, energy, and service footprint nationally while championing workforce programs and decarbonization initiatives.
Robert Beck
Chief Executive Officer, John W. Danforth Company
Leads one of the Northeast’s largest mechanical contractors and former MCAA national president; expanded Danforth’s regional footprint and prefabrication capacity.
Russell (Russ) Becker
President & Chief Executive Officer, APi Group (fire, life-safety, specialty services)
Orchestrated APi’s growth into a global services platform with significant recurring revenues, integration of major acquisitions, and strong culture under the “Building Great Leaders” ethos.
Timothy J. Brink
Chief Executive Officer, Mechanical Contractors Association of America (MCAA)
Heads the leading U.S. trade association for mechanical contractors, driving education, safety, labor relations, and advocacy across the industry.
Jason Evelyn
Chief Executive Officer, Cerris (formerly MMC Corp; parent of MMC Contractors)
Promoted from COO to CEO to lead the ESOP-owned platform’s next phase (rebranded to Cerris), continuing its rise as a top-10 mechanical/sheet metal contractor by ENR.
Rob Guthrie
Chief Executive Officer, Bernhard
Took the helm in 2024, steering one of the nation’s largest Energy‑as‑a‑Service and infrastructure firms serving healthcare and higher education with long‑term decarbonization programs.
Anthony (Tony) J. Guzzi
Chairman, President & Chief Executive Officer, EMCOR Group, Inc.
Leader of the largest U.S. mechanical/electrical specialty contractor; under his tenure EMCOR became an S&P 500 component and expanded via strategic M&A such as Miller Electric.
Aaron Hilger
Chief Executive Officer, Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA)
Heads the global standards‑setting and contractor advocacy body for sheet metal and HVAC firms, emphasizing tech adoption and member‑centric advocacy.
Barton (Bart) James
President & Chief Executive Officer, Air Conditioning Contractors of America (ACCA)
Leads the largest U.S. trade association for HVAC contractors, active on workforce, codes/standards, and small‑business advocacy.
Brian E. Lane
President & Chief Executive Officer, Comfort Systems USA
Veteran CEO who has overseen sustained, acquisition‑driven growth of a national MEP services platform with strong earnings momentum.
Ted Lynch, Ph.D.
Chief Executive Officer, Southland Industries
Design‑build pioneer and longtime chief executive leading one of North America’s largest full‑lifecycle MEP firms (including The Brandt Companies).
Jeffrey R. Marrs
President & Chief Executive Officer, ACCO Engineered Systems
Career ACCO leader who became CEO in 2017; steers one of the West’s largest employee‑owned mechanical contractors across HVAC, plumbing, process, electrical and controls.
Michael M. McCann
President & Chief Executive Officer, Limbach Holdings, Inc. (NASDAQ: LMB)
Promoted to CEO in 2023; focused on shifting mix toward owner‑direct recurring work and services, delivering record profitability and guidance upgrades.
Paul R. Meyers, Jr., P.E.
Chief Executive Officer & President, Shambaugh & Son (an EMCOR Company)
Oversees one of the nation’s largest integrated MEP/process contractors, with extensive in‑house engineering, fabrication, fire protection and industrial capabilities.
Michel Michno
Chief Executive Officer, Harris
CEO of a top‑tier national mechanical contractor ranked #6 among ENR’s Top 50 Mechanical Firms (2024), spanning construction, service, automation and manufacturing.
Frank Musolino
Chief Executive Officer, TDIndustries
Took the helm in 2023 at the employee‑owned Texas powerhouse known for servant leadership, safety and innovation in construction and building services.
Patrick J. Murphy, Jr.
President & Chief Executive Officer, Murphy Company (St. Louis & Denver)
Fourth‑generation leader guiding one of the Midwest’s largest mechanical/industrial contractors with a deep prefabrication and service footprint.
Tyler Nottberg
Chairman & Chief Executive Officer, U.S. Engineering Holdings
Chairs and leads a family of companies (Construction, Innovations, Metalworks, Service) delivering design‑build, manufacturing and lifecycle services nationwide.
Russell Rehmann
Chief Executive Officer, Dynamic Systems (a Quanta Services company)
CEO of one of the largest turnkey mechanical/process contractors in semiconductors, healthcare and mission‑critical; joined Quanta as a platform in 2025.
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