Rocscience Acquires Italian Structural Engineering Software Provider 2SI

SI Solutions Acquires Radiological Solutions to Expand Nuclear Chemistry and Radiation Support

February 5, 2026

Industrial Services

SI Solutions, LLC, through its advanced engineering division Structural Integrity Associates, Inc., acquired Radiological Solutions, Inc. to expand nuclear energy capabilities across plant chemistry, radiological controls, radiation protection, and operational performance support. The deal broadens Structural Integrity Associates’ offerings, enabling more turnkey solutions for global nuclear power customers.

Rocscience Acquires Rockfield

August 6, 2025

Software

Rocscience, a Toronto-based geotechnical software company, has acquired Rockfield, a Swansea, UK developer of advanced numerical modelling and finite element/discrete element analysis software (ELFEN). The acquisition is intended to expand Rocscience's engineering simulation capabilities and market reach across the energy, mining and infrastructure sectors while retaining Rockfield's leadership and management.

Rocscience (backed by TA Associates) Acquires DIANA FEA

January 29, 2024

Software

Rocscience Inc., a Toronto-based geotechnical software provider backed by TA Associates, has acquired DIANA FEA, a Netherlands-based developer of nonlinear finite element analysis software. The deal expands Rocscience's FEA product suite and global footprint; financial terms were not disclosed.

SI Solutions Acquires SC Solutions, Inc.

January 4, 2024

Engineering Services

SI Solutions has acquired SC Solutions, Inc., a Sunnyvale-based provider of structural and controls engineering, to expand its Critical Infrastructure division and add controls engineering capabilities. The deal strengthens SI Solutions’ technical offerings across energy, process and infrastructure markets and integrates SC Solutions’ expertise into SI’s platform backed by Jumana Capital.

Rocscience Inc. Acquires NovoTech Software

October 6, 2021

Software

Rocscience Inc., a Toronto-based developer of geotechnical engineering software, has acquired Vancouver-based NovoTech Software. The deal expands Rocscience's geotechnical product capabilities and brings NovoTech's CTO and web application team into Rocscience while NovoTech continues to operate under its name in the near term.

Engineering Systems Inc. (ESi) Acquires Crane Engineering

December 13, 2018

Engineering Services

Engineering Systems Inc. (ESi) has acquired Crane Engineering, a multi-disciplinary forensic engineering and investigation firm with a forty-year track record. The acquisition expands ESi’s technical capabilities (notably in automotive, oil & gas, fire protection, building sciences and transportation) and accelerates its local presence in the upper Midwest to better serve litigation, insurance and industrial clients.