Qualus Corporation Acquires Linda Rogers & Associates, Inc.

Qualus Acquires ADM Associates

July 16, 2025

Energy

Qualus Corporation has acquired ADM Associates LLC, a leading U.S. energy research and EM&V firm. The deal expands Qualus' energy-efficiency, program evaluation, energy modeling, data science and software development capabilities to better serve utilities, government agencies and commercial clients across the U.S. and Canada.

Qualus Acquires Phoenix Engineering Services, Inc.

November 17, 2021

Utilities

Qualus, LLC, a provider of engineering and technical field services to utilities, acquired Phoenix Engineering Services, Inc., an Atlanta-area engineering and testing firm. The acquisition expands Qualus’s service offerings—adding relay and substation testing, NERC PRC studies, panel building and utility software development—to strengthen capabilities for utility, municipal, commercial and renewable clients.

LRQA Acquires Five Specialist Risk & Assurance Firms

June 5, 2025

Consulting

LRQA has acquired five specialist consultancies — Ergon Associates, RESET Carbon, StepUp Solution Services, Core Business Solutions and EcoEngineers — completing five strategic purchases in five months to broaden its risk management, ESG, food-safety and energy-transition capabilities. The bolt-on acquisitions expand LRQA’s geographic footprint (notably into North America and Asia) and add technical expertise in labour & human-rights, carbon management, QMS certification and renewable-fuels decarbonization.

Qualus Acquires Tri Sage Consulting

December 22, 2022

Energy

Qualus Corporation has acquired Tri Sage Consulting, a power engineering and project management firm focused on high-voltage grid interconnection and renewable projects in the western United States. The acquisition expands Qualus' western U.S. footprint and renewables capability, combining Tri Sage's technical resources with Qualus' planning, design, and field services to support grid modernization and the energy transition.

Qualus Acquires Patterson Power Engineers, LLC

August 31, 2021

Engineering Services

Qualus, LLC acquired Patterson Power Engineers, LLC, a Chattanooga-based power system protection engineering firm, to strengthen Qualus’s protection engineering capabilities and technical services offering for utilities. The deal brings Patterson’s specialized engineering team into Qualus’s network of field service and engineering offices, providing expanded capabilities and opportunities for employees.

Qualus Corporation Acquires ASSET Engineering

June 17, 2024

Energy

Qualus Corporation has acquired ASSET Engineering, a Jackson, Mississippi–based power engineering and consulting firm specializing in renewable generation development, battery energy storage systems, microgrids, and distributed energy resources. The acquisition expands Qualus' capabilities in renewables, energy storage, and critical-infrastructure support for clients such as utilities, developers, and data centers and broadens its U.S. footprint.