Financial Advisor
Hussung Mechanical Contractors
M&A Advisory
Has Been Acquired By
A Portfolio Company Of
Transaction Details
On August 12, 2026, Optimum Energy Co., a Bernhard Capital Partners (“Bernhard”) portfolio company and global holistic infrastructure solutions provider, announced the acquisition of HMC, a full-service mechanical infrastructure services firm for healthcare systems, universities, manufacturers, and mission-critical facilities for over 60 years.
The acquisition combines two highly complementary organizations with deep expertise serving complex, mission-critical facilities. Through HMC’s mechanical contracting and field service capabilities and Optimum Energy’s engineering, central utility infrastructure, operations, and performance optimization expertise, the platform is positioned to deliver more comprehensive infrastructure solutions while strengthening its presence in attractive end markets.
About the company
Hussung Mechanical Contractors and HMC Service Company
HMC is a 4th generation family-owned and operated mechanical contractor and service company specializing in the design, installation, and service of HVAC, plumbing, medical gas, and piping systems for healthcare, higher education, manufacturing, and mission-critical facilities, as well as other commercial and industrial sectors. The companies have been serving these industries in Kentucky and Indiana since 1966, delivering high-quality and innovative solutions for complex and challenging projects. Its objectives are to build long-term relationships with their clients, based on trust, respect, and collaboration. There is a commitment to providing the best value for clients, by delivering projects on time, on budget, and with the highest standards of quality and safety.
Optimum Energy Co.
Optimum Energy Co. is a global holistic infrastructure solutions company serving mission-critical facilities across healthcare, higher education, and advanced manufacturing. The company delivers integrated infrastructure services spanning the full facility lifecycle: engineering, design, construction, central utility plant development and modernization, mechanical and energy systems, ongoing O&M and asset management, and mechanical contracting and field services through HMC. Built on 20 years of central plant performance data, proprietary AI technology, and a dedicated Remote Services team that monitors and optimizes facility systems continuously across its global portfolio, Optimum Energy delivers sustained performance improvements that no traditional O&M provider can match. Its Energy-as-a-Service (EaaS) model enables clients to access this full platform through flexible, off-balance sheet financing structures, accelerating cost savings and performance goals without upfront capital commitment. For more information, visit www.optimumenergyco.com.
Bernhard Capital Partners
Bernhard Capital Partners is a private markets investment firm focused on building market-leading infrastructure services and asset platforms across essential sectors. With more than $6 billion in assets under management, the firm invests in complex, expansive and often regulated markets characterized by durable demand. Bernhard applies a disciplined, thematic investment strategy, paired with deep sector expertise and operational experience, to enhance performance, scale platforms and support long-term growth. Bernhard’s specialized approach is designed to perform across market cycles, delivering consistent outcomes for investors, partners and communities served across the portfolio. For more information, visit bernhardcapital.com.
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Source: Bernhard Press Release.
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