The Nelson Companies
ConstructionIllinois, United States51-200 Employees
The Nelson Companies, also known as Nelson Insulation, operates as a construction contractor specializing in mechanical insulation and firestopping services. Serving a wide range of commercial clients in the Chicagoland area, the company provides energy-saving, code-compliant insulation solutions designed to improve building performance and safety, with work carried out by skilled insulators associated with Local 17. The firm emphasizes project management across engagements of varying scales, from smaller jobs to multi-million dollar endeavors, aiming to enhance energy efficiency, reduce weather-related damage, and support life safety goals. Based in Lake Zurich, Illinois, the company traces its expertise to over two decades in insulation and firestopping, positioning itself as a leader in energy conservation and building envelope protection within the construction sector.