Quanta Infrastructure Solutions Group, LLC

Quanta Infrastructure Solutions Group, LLC (QISG), a Quanta Services company, provides end-to-end services for critical infrastructure projects. Its capabilities include engineering and design, project and construction management, environmental planning and permitting, right-of-way acquisition, procurement, safety, quality management, and construction. QISG delivers projects through EPC, Construction Manager at Risk, and Progressive Design-Build models, with experience in electric power, transmission and substations, water treatment, and wastewater infrastructure.