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RMA Companies Acquires Rone Engineering

Addition of geotechnical engineering, environmental consulting, material testing, and ground motion consulting firm in Texas supports RMA’s national growth strategy

RMA Companies (“RMA”) today announced the acquisition of Rone Engineering (“Rone”), a leading geotechnical engineering, materials testing, and environmental services firm based in Dallas, Texas, to its expanding family of companies. RMA has now completed eleven acquisitions with leading firms throughout the U.S. as it builds a national platform for geotechnical engineering, environmental consulting, construction materials testing, inspection, and certification services to support the development of critical infrastructure.

Founded in 1972, Rone has provided expert professional services on some of Texas’s most iconic engineering projects, ensuring the quality, stability, and longevity of the region’s infrastructure. Led by Richard Leigh, Rone provides highly technical and practical solutions for public and private clients with a focus on transportation, public buildings, industrial, commercial, and residential projects. It has offices and state-of-the-art laboratories across four locations in Texas (Dallas, Fort Worth, Austin, and Houston) and one location in Kansas City. As one of the market leaders in Texas, Rone will act as RMA’s primary presence in the South-Central region with Richard Leigh serving as Texas Divisional President.

“The addition of Rone to the RMA family marks our seventh acquisition of 2023, which has been a monumental year of growth,” said Ed Lyon, CEO of RMA. “Rone operates offices in the critical Texas Triangle that is poised to receive over $17 billion in IIJA funding over the next five years. We are excited to partner with Richard and his team to expand the services that Rone can offer their clients and to be able to serve our existing RMA clients in the Texas market. The combination of our firms will create exciting opportunities for both our clients and our employees.”

“Our team at Rone Engineering is thrilled to join the RMA family of companies,” said Richard Leigh. “The partnership with RMA will accelerate our growth in the South-Central region and expand our service capabilities, so we can better serve our clients. In addition, joining RMA creates new professional growth opportunities for our team members. This is an exciting next chapter for Rone!”

Citizens M&A Advisory served as exclusive financial advisor to Rone Engineering.

About RMA Companies

RMA is a leading provider of professional services in environmental consulting, geosciences, and materials testing and inspection for critical public and private infrastructure assets across diverse government and commercial end-markets, including transportation, healthcare, education, renewable energy, and water resources. RMA’s team of engineers, geologists, inspectors, and technicians help infrastructure asset owners, engineering firms, and construction companies maintain compliance with strict regulatory and operating requirements through a range of geotechnical, environmental, and materials testing services. Founded in 1962, RMA is headquartered in Rancho Cucamonga, California. RMA is a portfolio company of OceanSound Partners. For more information, please visit

About Rone Engineering

Established in 1972 in Dallas Texas by Ronnie Rone, Rone provides geotechnical engineering, materials testing and environmental services on thousands of projects each year. For a half century, these core capabilities have helped to ensure the quality, stability, and longevity of some of the Southwest’s most iconic and transformational projects, including roads, bridges, museums, schools, colleges, industrial, commercial, and residential projects. Today, Rone Engineering has five locations, including Texas based Dallas, Fort Worth, Austin, Houston and Kansas City, Kansas. For more information, please visit

About OceanSound Partners

OceanSound Partners is a New York-based private equity firm that pursues control investments in technology and technology-enabled services companies serving government and enterprise end-markets. OceanSound employs a partnership approach, working closely with founders, entrepreneurs, and executives of middle market businesses to drive transformational growth. For more information, please visit


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