- Anglia Trade Windows
- Anglian Home Improvements Group
- Centric Home Improvements Ltd
- CPE Southern Ltd
- Custom Glazing Ltd
- Dreamology Ltd
- Ecoframes and Energy Saving Solutions Ltd
- EcoSmart Fit Ltd
- Filus.
- First Choice Fascia & Windows
- Fitter Windows
- Galaxy Windows
- Greenday
- Justfit Windows
- Kestral
- Lifestyle Home Improvements Ni Ltd
- Living Rooms Home Improvements Ltd
- Manchester window's ltd
- NAC HOME IMPROVEMENTS
- Rightprice Windows and doors
- Ruby Home Improvements
- Secured homes ltd
- Smart Glass Solutions Ltd
- Smart Homes
- The Dereham Window Company Ltd
- THERMAADOR
- Tim Everlast
- Ultrabright windows
- Unique glazing London Ltd.
- Verdi Home Improvements
- Vision doors & windows ltd