Who We Are

The Nelson Companies are dedicated to delivering exceptional customer service and efficiently executing quality work on-time, on-budget and in a way that is environmentally responsible.

We subscribe to and follow the latest industry standards in everything we do from project estimating and management to fulfillment and safety.

Nelson Insulation was founded in 1958 by Alvin B Nelson to fulfill a need in the construction industry for a multi-faceted insulation company. Since then other companies have been formed to fill the need in different locations throughout the United States. Those companies are Nelson Insulation Illinois, Nelson Insulation Central States, Nelson Insulation Wisconsin and Nelson Thermal Insulation and Firestopping.

With support from a talented and highly qualified staff, Nelson Group Enterprises excels in all aspects of mechanical insulation for a variety of commercial, industrial and institutional applications. The Nelson Insulation Companies are well known in the industry thanks to our reputation for quality and attention to detail.

We look forward to working with your company.

Core services

• Pipe and Vent insulation

• Plumbing insulation

Custom services

• Metal jacketing (stainless and aluminum)

• PVC jacketing

• Foamglass (cold systems)

• VentureClad™ jacketing (zero-perm) (pipe and vent)

• Armaflex®

• Product innovation for specialty applications

• Firestopping

Solutions-based Consulting Services

• Energy appraisals (cost savings, environmental impact, energy savings)

• Custom consulting (chilled water – condensation and mold)

• Value engineering (recommendations)

• Maintenance consulting (spec writing)

• Moisture testing

• Architectural consulting


• Risk Management

To learn about projects we’ve done, click here.

Over 65 years of Insulation Excellence!

Nelson excels in all aspects of mechanical insulation for commercial, industrial and institutional applications.