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RMA Announces the Acquisition of PRI

Acquisition expands RMA’s TICC portfolio and geographic presence into the Southeast and Midwest

RMA Companies (“RMA”) today announced that it has acquired PRI Group (“PRI”), a leading provider of testing, product development, validation, and certification services to the asphalt, transportation, and building materials end-markets. Since December 2021, RMA has completed six acquisitions, as it executes an aggressive growth strategy to build a national platform for testing and inspection services. Terms of the transaction were not disclosed.

Founded in 1990, PRI provides independent third-party testing, evaluation, and other technical services for several critical infrastructure end-markets, including asphalt/bitumen, transportation, building materials, chemical, and energy. Through these services, PRI helps its clients test, validate, and certify the materials and products that are used in infrastructure and construction projects. PRI’s team of scientists, engineers, and technicians operate out of two highly accredited, state-of-the-art laboratory facilities in Tampa, Florida and Munster, Indiana and are trained in over 1,000 normative standards, ASTM, AASHTO, ISO, and governmental test methods.

PRI’s Asphalt Technologies business provides accredited testing, evaluation, and technical services to the asphalt industry from asphalt derivation through its lifecycle of use in paving, roofing, and industrial products, helping clients meet increasing technical and regulatory requirements. PRI’s Construction Materials business provides accredited testing, inspection, and product certification services for building materials, including roof coverings, fenestrations, claddings, glass, adhesives & sealants, paints & coatings, and thermal insulations. PRI’s building envelope services help clients comply with evolving building codes, driven by sustainability and climate resilience trends in the built environment.

“The addition of PRI supports our strategic expansion into the Southeast and bolsters our TICC portfolio,” said Ed Lyon, CEO of RMA. “PRI is one of the preeminent providers of asphalt and construction materials testing and certification services. They have advanced lab capabilities in the development and evaluation of asphalt products. In addition, their materials testing expertise adds to our range of building envelope services, enabling RMA to provide comprehensive services across both product and project lifecycles. We look forward to providing these services and driving cross-sell opportunities across the RMA companies.”

“Over the past three decades, we have built a reputation of providing highly specialized testing, inspection, and certification services that meet the design or compliance requirements of infrastructure and construction projects throughout the country,” said Ken Grzybowski, Founder of PRI. “We have achieved success by focusing on customer needs, while leveraging our expert staff, industry knowledge, and state-of-the-art facilities & equipment.”

“By joining RMA, we are excited to accelerate our growth trajectory and realize cross-sell opportunities,” said Brad Grzybowski, recently appointed President of PRI. “This transaction was made possible by the hard work and dedicated effort of our talented team of scientists, engineers, and technicians. We believe our two firms have highly compatible cultures and a shared commitment to our clients, which we expect will enable a seamless integration process for employees with zero disruption to clients.”

About RMA Companies

RMA is a growing national provider of technology-enabled testing, inspection and certification services that support innovation in new product development, quality assurance for project delivery and engineered solutions for asset management. We are passionate about contributing to the sustainable development of the communities we serve. We provide professional services in environmental consulting, geotechnical engineering, geophysics and subsurface imaging, pavement engineering, quality management, non-destructive testing, construction inspection, product validation and certification for the delivery of critical infrastructure projects and investments in the built environment. Founded in 1962, RMA is headquartered in Rancho Cucamonga, California. RMA is a portfolio company of OceanSound Partners. For more information, please visit

About PRI

PRI is a national and global leader in materials testing and performance validation. PRI provides independent, third-party testing, inspection, certification, and other technical services to the asphalt/bitumen, building materials, chemical, construction / infrastructure, and energy end-markets. Founded in 1990, PRI traces its roots to the Strategic Highway Research Program (SHRP) initiative. 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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