Certerra Acquires Farabaugh Engineering & Testing

Certerra Acquires Tierra, Inc.

March 27, 2025

Engineering Services

Certerra, a technology-enabled testing, inspection and certification platform backed by OceanSound Partners, has acquired Tierra, Inc., a Tampa-based geotechnical and materials engineering firm with 27+ years of experience and over 210 employees. The deal expands Certerra's presence and capabilities in the U.S. Southeast—adding laboratory and field testing capacity in Tampa, Orlando and Pensacola—and will enhance service offerings to government, transportation, municipal and commercial infrastructure clients.

CMT Technical Services Acquires Cesare, Inc.

March 22, 2022

Engineering Services

CMT Technical Services (a CAI Capital Partners-backed portfolio company) has acquired Cesare, Inc., a Colorado-based consulting engineering firm specializing in construction material testing, geotechnical, and forensic engineering. The deal adds four offices and approximately 50 employees in Colorado, expands CMT's geographic footprint and service capabilities, and the Cesare owner-managers (led by William "Bill" Caires) retain an equity interest and will remain in their roles.

CertTech Acquires Butterfield Engineering

November 2, 2020

Engineering Services

CertTech, a Lenexa, Kansas-based provider of electronics and software test automation services, has acquired Butterfield Engineering, a Cincinnati-based test engineering firm specializing in modular test systems and test software. The acquisition expands CertTech's end-to-end test and integration capabilities across regulated industries including defense, aerospace, medical devices, automotive and ground transportation.

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 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.

Phenna Group Acquires Atlantic Testing Laboratories

April 1, 2025

Engineering Services

Phenna Group, a UK-based testing, inspection, certification and compliance (TICC) platform, has acquired Atlantic Testing Laboratories (ATL), a Canton, New York–headquartered engineering support and testing services firm. The acquisition strengthens Phenna's presence in the United States and expands its capabilities in construction materials, geotechnical/drilling, and environmental services across roads, pavements, groundworks and utilities.