SEI Group (Quad-C Management)
SEI Group (Quad-C Management) has 23 home-service brands on Parity’s record and is backed by Quad-C Management. Each one still operates under its original local name.
Who owns SEI Group (Quad-C Management)?
SEI Group is backed by Quad-C Management, as its name on the record shows. Parity lists 23 home-service brands under it, each with its source on its own page.
How many companies does SEI Group (Quad-C Management) own?
Parity lists 23 home-service brands under SEI Group (Quad-C Management), operating in 11 states. Each one keeps its own local name, which is why the connection is easy to miss.
Is a company owned by SEI Group (Quad-C Management) still local?
It keeps the local name, the local phone number and often the same technicians. What changes is who sets the prices and the sales targets. Ownership does not tell you how good the work is; it tells you who the company answers to.
At a glance
Parity lists 23 home-service brands under SEI Group (Quad-C Management). They operate in 11 states. The most brands are in Missouri, Texas, Tennessee, South Carolina and Florida. Trades on record: insulation, gutters, siding and windows & doors. The most recent deal on record is from 2026.
The brands in the table trade under local names, which is why the ownership is easy to miss on a truck, a yard sign or a search result. A brand with a link has its own page with the source for the ownership, or, for an entry marked reported or linked, exactly what Parity found, and the date of the deal where it is known.
Ownership does not tell you how good the technician at your door is. It tells you who the company answers to. If an entry on this page is wrong or out of date, use the corrections link below and Parity will fix the record.
All 23 brands
| Brand | Trade | Based in |
|---|---|---|
 Accu-coat Spray Products, LLC | Insulation | Maryville, TN |
 All In One Insulation, LLC | Insulation | Greenville, SC |
 Allied Insulation and Supply, LLC | Insulation | Garland, TX |
| American Residential Products, LLC | Insulation | Belleview, FL |
 Arkansas Insulation & Exteriors | Insulation / Gutters / Siding / Windows & Doors | Springdale, AR |
 Ballards Insulation & Exteriors | Insulation / Gutters / Siding / Windows & Doors | Sedalia, MO |
| Bolivar Insulation | Insulation / Gutters / Siding / Windows & Doors | Bolivar, MO |
 Carolina Gutter Company of SC, LLC | Gutters | Charleston, SC |
 Cool Insulation Company | Insulation | Austin, TX |
 Energy Conservation Insulation | Insulation | Bend, OR |
| EnergyPro Insulation, LLC | Insulation | Grand Junction, CO |
 Greenhome Specialties | Insulation | West Haven, UT |
 Haskell's Hardware, LLC | Insulation | Landis, NC |
 Insulation Solutions of Tennessee | Insulation / Gutters | Nashville, TN |
| Judy's Insulation | Insulation / Gutters / Siding / Windows & Doors | Harrison, AR |
| Pro Foam Insulators | Insulation | Pollok, TX |
 Quality Insulation and Roofing | Insulation / Roofing | Austin, TX |
 S&S Insulation | Insulation / Gutters / Siding | Columbia, MO |
 Sacramento Insulation, LLC | Insulation | Sacramento, CA |
 Southwestern Exteriors | Siding / Gutters / Windows & Doors | Springfield, MO |
 Stephens Building Products, LLC | Insulation | Raleigh, NC |
| Tailored Foam of Florida, LLC | Insulation | Sanford, FL |
 insulUSA | Insulation | Nixa, MO |