SubTerra Engineering Acquires Cavern Solutions Inc.

EnergySolutions Acquires Cabrera Services Inc.

March 22, 2024

Environmental Services

EnergySolutions, a portfolio company of TriArtisan Capital Advisors, has completed the acquisition of Cabrera Services Inc., a Connecticut-based provider of environmental and radiological remediation services. Cabrera will be integrated into EnergySolutions' federal program to expand the company's federal remediation and project execution capabilities.

LightEdge Acquires Cavern Technologies

September 22, 2021

Infrastructure

LightEdge, a GI Partners-backed hybrid cloud and colocation provider, has acquired Cavern Technologies, a Lenexa (Kansas City) underground colocation and data center provider. The deal expands LightEdge's footprint into the Kansas City market and adds Cavern's underground, enterprise-grade colocation capacity and managed connectivity offerings to LightEdge's hybrid-IT platform.

Subterra Renewables Acquires Earth Drilling Co. and Harris Exploration to Expand Geothermal Drilling Coast-to-Coast

October 27, 2023

Renewable Energy

Subterra Renewables' affiliated companies have acquired Alberta-based Earth Drilling Co. Ltd. and Nevada-based Harris Exploration to expand coast-to-coast geothermal drilling capacity across Canada and the U.S. The deals add experienced drilling teams and rigs, support the launch of a Calgary office led by Matthew Tokarik, and strengthen Subterra's vertically integrated geothermal services and utility offerings.

Colliers' Englobe Acquires Tetranex Solutions Inc.

January 29, 2026

Engineering Services

Englobe Corporation, Colliers' Canadian engineering platform, has acquired Tetranex Solutions Inc., a Calgary-area multidiscipline engineering consulting firm. The deal brings roughly 200 professionals and expands Englobe's electrical, instrumentation & controls (EI&C), automation and procurement capabilities to support work across oil & gas, agri‑food and industrial clients; senior Tetranex leaders will become shareholders and take leadership roles. Terms were not disclosed.

Caterpillar Acquires Tangent Energy Solutions

May 5, 2022

Energy

Caterpillar Inc. has acquired Tangent Energy Solutions, an energy-as-a-service provider headquartered in Kennett Square, Pennsylvania. The acquisition brings Tangent’s analytics-driven EaaS platform and software capabilities into Caterpillar’s Electric Power Division to expand digital offerings, improve energy efficiency services, and enable new revenue streams for customers.

EIS Holdings Acquires Tierra Consulting Group

May 20, 2025

Environmental Services

EIS Holdings, LLC has acquired Tierra Consulting Group, LLC, a Pompano Beach, Florida–based environmental consulting and groundwater treatment specialist. The deal expands EIS's presence in the Southeast and adds high-volume groundwater treatment, dewatering, subsurface remediation, surveying and mapping capabilities to its nationwide environmental and infrastructure services platform.