Amir SohailFRISCO, Texas, Sept. 18, 2026 (ZM NEWSWIRE) — Mission Critical Group (“MCG” or the “Company”), a leading provider of comprehensive electrical infrastructure solutions for mission critical facilities, including data centers, manufacturing plants, and energy infrastructure, and a portfolio company of Emerald Lake Capital Management, today announced the closing of a preferred investment led by Liberty Mutual Investments (“LMI”), the investment firm for Liberty Mutual Group (“Liberty”). Invesco Senior Secured Management, Aventail Capital Group, and Brigade Capital Management also participated in the transaction.
“This investment is a strong endorsement of MCG’s platform, our team, and the significant growth opportunities ahead,” said Jeff Drees, CEO of Mission Critical Group. “As demand for resilient, scalable power infrastructure grows, MCG continues to deliver integrated solutions across the powertrain that accelerate time-to-power for customers. We are pleased to welcome a high-quality group of investors and look forward to continuing to execute on our growth strategy.”
Founded in 2023, MCG combines engineering expertise, scaled U.S. manufacturing, and lifecycle support across electrical equipment, modular power solutions, power generation systems, and transformers. This integrated platform enables MCG to deliver customized power architectures for grid-connected and on-site power applications, tailored to each customer’s site, operational, and performance requirements.
“We believe MCG is uniquely positioned at the convergence of several powerful megatrends, including the rapid expansion of data center capacity, accelerating load growth, and labor scarcity,” said Charley Poole, Head of Energy & Infrastructure at LMI. “We are excited to partner with Jeff and the MCG team, whose track record of execution and customer-focused innovation has established the Company as a leader in mission critical electrical infrastructure.”
LMI’s investment was led by its Energy & Infrastructure team, which invests in opportunities that support secular growth trends across the energy and infrastructure landscapes. LMI invests more than $130 billion of long-term capital globally on behalf of Liberty across its integrated platform and leverages a flexible investment approach to build enduring businesses side-by-side with its partners.
Jefferies LLC acted as exclusive placement agent and Kirkland & Ellis LLP acted as legal advisor to MCG in connection with the transaction. Paul Hastings LLP acted as counsel, BDO acted as financial advisor to LMI, and Davis Polk & Wardwell LLP acted as placement agent counsel.
For more information, visit missioncriticalgroup.com.
About Mission Critical Group
Mission Critical Group is a leading provider of comprehensive electrical infrastructure solutions for mission critical facilities, including data centers, manufacturing plants, and energy infrastructure. We design, manufacture, integrate, and service a wide range of electrical equipment, including switchgear, e-Houses, power skids, backup power systems, transformers, and related critical power equipment. Our customers include major technology, manufacturing, healthcare, and energy companies across North America, and we operate more than 18 manufacturing facilities in the United States. For more information, visit missioncriticalgroup.com.
About Liberty Mutual Investments
Liberty Mutual Investments (“LMI”) is the investment firm for Liberty Mutual Group (“Liberty”), a global insurance and capital solutions partner. With deep expertise in liquid, credit, and alternative strategies, LMI invests more than $130B of capital globally, taking a long-term approach across its integrated platform. LMI has a clear purpose: build enduring businesses side-by-side with our partners, drive economic growth, and generate superior risk-adjusted returns that power Liberty’s strategy and secure its promises.
Liberty Mutual Group Asset Management Inc. does business under the name Liberty Mutual Investments. For more information, visit https://www.libertymutualinvestments.com/.
Important Information and Disclosures
This press release is provided for informational purposes only and does not constitute investment advice or an offer to sell, or a solicitation of an offer to buy, any securities or interests in any investment fund or vehicle. Liberty Mutual Group Asset Management Inc. (d/b/a Liberty Mutual Investments) provides investment advisory and management services only to insurance companies and wholly owned direct or indirect subsidiaries of Liberty. This press release may contain forward-looking statements that are as of the date of this press release; actual results may differ materially, and Liberty undertakes no obligation to update such statements. Additional information is available at www.libertymutualgroup.com/investors.
About Emerald Lake Capital Management
Emerald Lake Capital Management is a private equity firm focused on control and shared-control investments in North American industrial and services companies. The firm emphasizes proprietary sourcing, growth orientation, and active partnership with management teams to scale high-quality businesses over the long term. Founded in 2018, Emerald Lake manages more than $2 billion of equity capital. For more information, please visit www.elcm.com.
Media Contacts
Liberty Mutual Investments
Press@lmi.com
Mission Critical Group
Laura Noland
Senior Director, Marketing Communications
lnoland@missioncriticalgroup.com
407-341-2512
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