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Add-on·Business Services/Testing / Inspection / Certification·July 30, 2026

Certerra RMA Group adds Testing Engineers

Founded in 1954, the San Leandro laboratory adds nearly seven decades of metallurgy and structural steel testing expertise to Certerra's Northern California operations.

Takeaways

  • Testing Engineers is a materials testing laboratory specializing in metallurgy and structural materials testing.
  • Certerra RMA Group is acquiring Testing Engineers with backing from OceanSound Partners.
  • The target serves critical infrastructure markets, code compliance and quality assurance across Northern California, San Francisco Bay Area.
BuyerCerterra RMA Group
TargetTesting Engineers
SponsorOceanSound Partners
TypeAdd-on
GeographyNorthern California, San Francisco Bay Area
IndustryBusiness Services
Sub-sectorTesting / Inspection / Certification

Testing Engineers, a San Leandro, California-based materials testing laboratory specializing in metallurgy and structural steel analysis, has been acquired by Certerra RMA Group.

Founded in 1954, the company has served the San Francisco Bay Area for nearly seven decades, providing critical testing and quality assurance for infrastructure projects, structural steel, bolts and fasteners, and other critical components.

“This acquisition represents another important step in executing our growth strategy and strengthening our position as the partner of choice for testing, inspection, and certification services in the earth sciences and materials engineering,” said Ed Lyon, CEO of Certerra.

Testing Engineers will merge into Certerra’s existing California operations, adding advanced metallurgy and materials engineering capabilities that the acquirer said will also benefit clients across its national network.