Parity › Who owns it › Allied Insulation and Supply, LLC
Investor-owned · names its owner on its website

Who owns Allied Insulation and Supply, LLC?

The short answer

Allied Insulation and Supply, LLC is owned by SEI Group (Quad-C Management). It is not an independent local business.

Quick facts
Company
Allied Insulation and Supply, LLC
Trade
Insulation
Serves
Homes and businesses
Based in
Garland, TX · All investor-owned companies in Texas → Also: Grand Prairie, TX
Owned by
SEI Group (Quad-C Management) · their site
Ownership disclosed?
Yes: the parent is named on the company’s own website (checked 2026-10-08).

About Allied Insulation and Supply, LLC

Allied Insulation and Supply, LLC provides Insulation services in Garland, TX. It operates under its original local name and is owned by SEI Group (Quad-C Management).

What this means before you call

The name on the truck is not the owner. In investor-owned home-service groups, the price book, the sales process and the financing offers are usually set centrally, not at the local office. What to check before you sign →

Sources

  • SEI Group’s own site lists Allied Insulation and Supply, LLC: source (2026-10-08)
  • Quad-C Management portfolio page: SEI Group (investment date 2021, status current): source (2021)
  • Its own website shows this logo: source (2026-10-15)
  • Its own site lists 2 offices, also in Grand Prairie, TX: source (2026-10-26)

Other brands under SEI Group (Quad-C Management)

Parity is an editorial publication. Ownership facts are sourced from public filings and company-published material; we make no claim about the quality of any individual technician. Represent Allied Insulation and Supply, LLC or SEI Group (Quad-C Management)? Verify or contest this page · How we check · Corrections policy. Page generated 2026-10-26 from Parity’s records.