April 13, 2026 - B. Riley Securities, Inc. ("B. Riley Securities" or "BRS"), a leading full-service investment bank, served as exclusive financial advisor to Lindsey Systems ("Lindsey" or the "Company") in connection with a majority equity investment from First Reserve, a leading global private equity firm.
Founded in 1947 and headquartered in Azusa, California, Lindsey is a prominent provider of highly engineered solutions serving transmission and distribution grid infrastructure, as well as critical industrial and commercial power facilities. The Company's proprietary products include the highest accuracy overhead and switchgear sensors in the industry, high-reliability high‑voltage transmission hardware, and emergency restoration system ("ERS") structures, alongside emerging Dynamic Line Rating ("SMARTLINE") and early wildfire detection ("FireBird") solutions.
For the past 79 years, Lindsey has built a trusted reputation with the nation's largest electric utilities, original equipment manufacturers, and power infrastructure operators by delivering mission‑critical solutions specified for applications where precision, reliability, and engineering expertise are essential. The Company's solutions enable utilities to address the evolving demands of the modern electric grid, including unprecedented load growth, rapid electrification, data center expansion, and the modernization of aging infrastructure to enhance reliability and resilience.
First Reserve's investment represents the Company's first institutional capital and is intended to support Lindsey's next phase of growth. Drawing on its experience across utility, power, and engineered products markets, First Reserve will partner closely with Lindsey's leadership team to advance a strategic growth plan that builds on the Company's brand, technical capabilities, and long‑standing customer relationships, while preserving the heritage and values that have defined Lindsey for more than seven decades.
"B. Riley Securities was an invaluable partner in navigating this milestone for our family business. Their deep sector expertise and tireless advocacy ensured we found the right partner in First Reserve to honor our 79-year legacy, reinvest in our people and production facilities, and best position the company to pursue identified growth initiatives. We couldn't be more pleased with the BRS team's guidance and the outcome they achieved for our stakeholders," said Dr. Keith Lindsey.
Chris Ankley, Managing Director at B. Riley Securities, added, "Lindsey is one of the most trusted and innovative brands serving electric utilities, OEMs, and power infrastructure operators. The founding family built a legacy of engineering excellence that is vital to the resilience of our modern electric grid. We are proud to have worked with Lindsey's executive team to secure a private equity partner in First Reserve that honors that heritage and positions the business to capitalize on long term industry tailwinds."
This transaction underscores B. Riley Securities' deep expertise within the Energy, Power and Infrastructure, and Industrial Technology sectors. BRS' deal team was led by Chris Ankley, Greg Presson, Grayson Largman and Arjun Oza.
Read more about the transaction here.
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