Providing Industrial and commercial mechanical insulation in
Maine, New Hampshire and Massachusetts since 2003.

Our Mission

At Tri-State insulation Inc., our mission is to provide mechanical insulation to our commercial and industrial clients with competitive pricing and high quality workmanship with safety being a major priority. We service all areas in Maine, New Hampshire and Massachusetts.

Why Choose TSI

Tri-State Insulation Inc., is your best choice for
Craftsmanship, Safety, Cost & Time Management.

Quality work & craftsmanship.

Our qualified, experienced team insures proper planning and installation to get the job done right. Our attention to detail is second to none.

Safety is our commitment to you.

Safety our #1 priority and is a top consideration in our planning, workflow and installation of any job. We pride ourselves on safety as well as quality.

We are an experienced team.

Our team has the training and experience needed to get the job done right and avoid costly complications. Our detail oriented planning is key for a successful job well done.

Competitive pricing & time management.

At Tri-State insulation, we strive to provide quality service at a competitive price as well as experienced job time management that will help us to reduce costs for the customer.

Our Recent Projects


Contact Tri-State Insulation Inc. for your next mechanical insulation project.

We have tools, training and experience to complete your project safely and efficiently.

Call us at (207) 644-6644 or use the contact form on the “Contact Us” page.

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P.O. Box 278
Auburn, Maine 04212

354 Lincoln Street 
Lewiston, Maine 04240

Maine, New Hampshire & Massachusetts