RMA Companies Acquires C Below Subsurface Imaging

RMA Companies Acquires HydroGEOPHYSICS, Inc.

November 21, 2024

Environmental Services

RMA Companies (a portfolio company of OceanSound Partners) has acquired HydroGEOPHYSICS, Inc. (HGI), a Tucson-based geophysical consulting firm. The transaction expands RMA's Subsurface Imaging Division by adding HGI's advanced 2D/3D/4D geophysical capabilities to support mining, environmental remediation, dam/waterway, and energy projects.

RMA Group Acquires CSI Services

February 24, 2022

Industrial Services

RMA Group of Companies, a portfolio company of OceanSound Partners, has acquired Coating Specialists and Inspection Services, Inc. (dba CSI Services), a Santa Clarita, California-based specialty coating inspection firm. The deal is an add-on to RMA's platform following its merger with Western Technologies and expands RMA's test and inspection capabilities and geographic coverage across critical infrastructure end-markets.

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.

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 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.