Frank Lill and Son, Inc is your single, reliable source for turnkey power and heavy industrial plant engineering, design, installations, conversions and repairs. For four generations, we have been recognized in the power plant and heavy industrial industry for our in-depth experience, professionalism and unwavering reliability. Our top priority is to complete our projects on schedule while maintaining the highest standards of workmanship and safety.

Frank Lill & Son is a solid, single-source prime contractor, providing all mechanical, electrical and civil disciplines to the power plant industry. When it comes to turnkey services on new projects, renovations, retrofits, and outages, Frank Lill can function in virtually any role including: Engineer Procure Construct (EPC) Contractor, General Contractor (GC), Design and Build (DB) Contractor, Construction Manager (CM) and Major/Critical Mechanical Contractor/Erector. Whatever your project requirements and standards, you can count on the professional capabilities, proven performance, and trusted reliability of Frank Lill & Son, Inc.