Mary Fox

PFES was acquired by Qualus Corporation in December 2024. Qualus is a leading pure-play power services firm and innovator at the forefront of the energy transition and transformation, with differentiated capabilities across grid modernization, resiliency, security, and sustainability. Qualus partners with utilities, data center, commercial, industrial, and government clients, and renewable energy storage developers, offering comprehensive solutions through boutique and integrated advisory, program and project management, project controls, business intelligence, engineering, digital solutions, and specialized field services.

PFES is a leader in providing consulting services to the utility industry. Our team has a proven background in project management, project controls, construction management, engineering and specialty consulting within the power generation, power delivery, and oil & gas sectors. From inception through completion, we provide necessary technical and administrative services to ensure our clients meet their program goals. This unique combination provides our customers with a one-stop source for program management.