RMA Companies, a Rancho Cucamonga, Calif.-based provider of professional services in environmental consulting, geosciences and materials testing and inspections for public and private infrastructure assets and a portfolio company of OceanSound Partners, has bought Rone Engineering, a geotechnical engineering, materials testing and environmental services firm based in Dallas, Texas.

Founded in 1972, Rone has offered professional services on some of Texas’s engineering projects, helping to ensure the quality, stability and longevity of the region’s infrastructure. The partnership with RMA will drive Rone’s growth in the South-Central region and expand its capabilities.