About

Mammoth Services is a Houston-based commercial and industrial roofing contractor and a 2026 GAF GoldElite Commercial Contractor. With 42 years of combined team experience and in-house crews of skilled roofing mechanics, we install, repair, and maintain TPO, PVC, modified bitumen, and roof coating systems for manufacturing plants, warehouses, pharmaceutical and industrial facilities, and public entities across the Houston and Clear Lake area, Southeast Texas, and Puerto Rico. As a GAF GoldElite Commercial Contractor, we can offer GAF manufacturer warranties on qualified projects. Public buyers can also purchase through our awarded TIPS cooperative contract 24060401. We plan every project around how your facility runs, with clear safety practices and documented roof inspections. Call (832) 416-1566 or request a free roof analysis at usmammoth.com.

Distinctions

  • Gold Elite Icon

    GAF GoldElite™ Commercial Contractor

  • Gold Elite Icon

    GAF GoldElite™ Commercial Contractor

    GAF GoldElite™ Commercial Contractors can offer the GAF Diamond Pledge™ NDL Roof Guarantee with a coverage term up to 25 years for qualifying systems.*** They are required to be properly insured and licensed (in states where required) to become certified.
  • *Contractors who are enrolled in GAF certification programs or are recipients of the GAF National Circle™ Contractor designation are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points, and discounts on marketing tools from GAF for holding this designation and offering GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.

    **Eligibility requirements, coverage, terms and restrictions apply and vary based on the enhanced warranty and products installed. For details and to view full System Plus, Silver Pledge and Golden Pledge Limited Warranties gaf.com/en-us/for-homeowners/warranties/residential. Visit gaf.com/LRS for qualifying GAF products. testing

    ***Eligibility requirements, coverage, terms and restrictions apply and vary based on the enhanced system guarantee and the system installed. For details and to view the full Diamond Pledge™ NDL roof Guarantee, visit the GAF Document Library at gaf.com/en-us/document-library.

Details

Contractor ID

1133335

Technologies

  • Single-Ply Roofer

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