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Best Licensed Insulation Contractors in Glendale, AZ

11 insulation companies registered in Glendale hold current ROC licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.

How we chose: We identified 11 companies registered in Glendale. 11 passed license verification. The 8 below are the top-ranked of those. Our methodology

We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.

  1. 1.Jim Brown & Sons Roofing Company Incorporated

    ✓ ROC License #287012 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2013
    Expires
    2027-10-31

  2. 2.1st Class Insulation LLC

    ✓ ROC License #299329 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2015
    Expires
    2027-06-30

  3. 3.Premier Mechanical Insulation LLC

    ✓ ROC License #306726 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2016
    Expires
    2028-07-31

  4. 4.Insulation Pros

    ✓ ROC License #328595 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2020
    Expires
    2028-04-30

  5. 5.Insulation Contractors Of Arizona LLC

    ✓ ROC License #335896 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2021
    Expires
    2027-12-31

  6. 6.Attic R Us

    ✓ ROC License #340257 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2022
    Expires
    2028-08-31

  7. 7.Unite Mechanical Insulation LLC

    ✓ ROC License #348466 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2023
    Expires
    2027-11-30

  8. 8.Bare Pipe Mechanical Insulation, LLC

    ✓ ROC License #352688 - look up this number at ROC
    Verified
    August 17, 2026
    Licensed since
    2024
    Expires
    2028-06-30

Compare the top 6 at a glance

CompanyLicenseClassLicensed since
Jim Brown & Sons Roofing Company Incorporated#287012CR-40 · Dual2013
1st Class Insulation LLC#299329CR-40 · Dual2015
Premier Mechanical Insulation LLC#306726CR-40 · Dual2016
Insulation Pros#328595R-40 · Residential2020
Insulation Contractors Of Arizona LLC#335896CR-40 · Dual2021
Attic R Us#340257R-40 · Residential2022

Glendale insulation licensure at a glance

12 active ROC insulation licenses are registered in Glendale. Every Arizona license carries a scope, and it is a legal boundary rather than a size tier: 7 of Glendale's licenses are dual scope (residential and commercial work) and 5 residential-only, while commercial-only licenses never appear on these pages at all - they do not permit residential work in Arizona. Tenure is what these pages rank on, and Arizona's issue dates are real and filled on every record: the median Glendale license has been held 2 years, the longest-standing since 2013, and 0 (0.0%) have been held 25 or more years. The posting list carries no insurance, no bond and no phone for any licensee - Arizona requires a license bond by statute but does not publish it, so we never show one, never claim one, and never rank on one. ROC's contractor search cannot link straight to a record, so every listing above shows its number for you to paste into ROC's contractor search. How we verify.

Insulation Contractors in Glendale: common questions

How many licensed insulation contractors are there in Glendale?

12 active ROC insulation licenses are registered in Glendale. 11 Glendale-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses ROC posts as Active, carrying a residential or dual scope and unexpired at our data date, are listed.

What does the scope on an Arizona insulation license mean?

Arizona's scope is a legal boundary, not a size tier: a commercial-only license does not permit residential work, so commercial-only contractors never appear on these pages at all. 7 of Glendale's 12 licenses are dual scope (residential and commercial) and 5 are residential-only.

How do I check an insulation contractor's license in Arizona?

Every listing above shows its ROC license number. ROC's contractor search cannot link straight to a record, so open it and type the number in: it shows the class, scope, status and expiration. The median Glendale license has been held 2 years, and the longest-standing dates to 2013.

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