Certerra (RMA GeoScience) Employee Directory

Civil EngineeringCalifornia, United States11-50 Employees

Certerra (RMA GeoScience) is a civil engineering firm based in Sun Valley, California, that provides geotechnical engineering and related environmental consulting services. The company operates as part of RMA Companies, a broader group involved in geoscience-focused disciplines, and has grown through multiple acquisitions that expand its geographic footprint and service capabilities. Its client base comprises organizations seeking technical expertise in soil and rock mechanics, site investigations, and environmental considerations for construction and infrastructure projects. Located in the California/I-5 corridor, Certerra positions itself within the civil engineering and geotechnical services market with a focus on integrating site characterization and environmental aspects for complex projects. A recent development includes expansion activities and acquisitions that broaden the firm’s capabilities and regional presence, reflecting a strategy of growth through consolidation within its specialized field.

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