RMA Group Merges with Western Technologies and Enviro-Drill

OceanSound Partners Makes Strategic Investment in RMA Group of Companies

September 28, 2021

Environmental Services

An affiliate of OceanSound Partners has made a strategic (minority) investment in RMA Group of Companies, a California-based provider of technology-enabled laboratory testing, inspection, and quality management services. RMA's existing management team, led by President and CEO Ed Lyon, retains a significant ownership stake and will continue to lead the business as the partner supports organic growth and add-on acquisitions to expand capabilities and geographic reach.

RMA Companies Acquires Earth Engineers

July 2, 2024

Engineering Services

RMA Companies, a portfolio company of OceanSound Partners, has acquired Earth Engineers, a Camas, Washington–based geotechnical engineering, construction materials testing, and special inspection firm. The add-on expands RMA's Pacific Northwest footprint (adding offices in Camas, Springfield and Aiea) and strengthens its geotechnical and materials testing capabilities as it builds a national testing, inspection and certification platform.

RMA Companies Acquires Northwest Geotechnical Consultants (Northwest Geotech)

December 6, 2022

Engineering Services

RMA Companies has acquired Northwest Geotechnical Consultants, Inc. (dba Northwest Geotech), a Pacific Northwest provider of geotechnical engineering, environmental consulting, construction inspection, and construction materials testing services. The deal is an add-on to RMA's testing and inspection platform (RMA is a portfolio company of OceanSound Partners) and expands RMA's soil mechanics lab capabilities and regional presence in Oregon.

RMA Companies Acquires GeoTest Services

February 22, 2023

Engineering Services

RMA Companies, a portfolio company of OceanSound Partners, acquired GeoTest Services, a provider of geotechnical, environmental, materials testing, specialty inspection, and building science services in Washington state. The acquisition expands RMA's testing and inspection capabilities and strengthens its geographic footprint in the Pacific Northwest; terms were not disclosed.

RMA Companies Acquires Rone Engineering

December 14, 2023

Engineering Services

RMA Companies, a portfolio company of OceanSound Partners, has acquired Rone Engineering, a Dallas-based geotechnical engineering, materials testing, and environmental services firm. The acquisition expands RMA's South-Central (Texas) presence and service capabilities, with Rone acting as RMA's primary presence in the region and Richard Leigh named Texas Divisional President.

RMA Companies Acquires Insight Group

February 29, 2024

Engineering Services

RMA Companies, a portfolio company of OceanSound Partners, announced the addition of Insight Group, a geotechnical, environmental, and construction-materials engineering consulting firm based in Charleston, South Carolina. The transaction is an add-on to RMA's national platform for testing, inspection, and certification services and expands RMA's capabilities and presence in the Southeastern U.S.