| Allerdale Windows Ltd7c-7d Buddle Rd Clay Flatts Industrial Estate, Workington, CA14 3YD | 01900 65666 |   |
| Carlisle Glass LtdCrown Works/Crown St, Carlisle, CA2 5AB | 01228 511511 |   |
| Charterhouse WindowsSilver Firs Hincaster, Milnthorpe, LA7 7NA | 015395 67979 |   |
| Country Style Windows1/Garth Houses Low Hesket, Carlisle, CA4 0EU | 016974 73102 |   |
| Cumberland Window DesignUnit 5/Bridge End Ind Est, Egremont, CA22 2RD | 01946 823823 |   |
| Cumbria Trade FramesCross La, Ulverston, LA12 9DQ | 01229 480000 |   |
| Cumbrian CanopiesRivendell Linstock, Carlisle, CA6 4PY | 01228 594459 |   |
| Cumbrian WindowsUnit 3/Adams Rd Derwent Howe Industrial Estate, Workington, CA14 3YS | 01900 68337 |   |
| D J Glazing LtdUnit 21/23/Dockray Hall Ind Est/Dockray Hall Rd, Kendal, LA9 4RU | 01539 722022 |   |
| Direct Windows6 Hawthorn Dr, Penrith, CA11 8WF | 01768 862219 |   |
| Double SealThornedge/Station Rd Cumwhinton, Carlisle, CA4 8DJ | 0800-783 7064 |   |
| Double Seal LtdThornedge/Station Road Cumwhinton, Carlisle, CA4 8DJ | 01228 560007 |   |
| Eden Valley Windows & KitchensFriargate, Penrith, CA11 7XR | 01768 866790 |   |
| Elegant Window Systems Ltd1b St Vincent St, Barrow-in-Furness, LA14 2NT | 01229 813066 |   |
| Evalast WindowsEvalast House/Hindpool Rd, Barrow-in-Furness, LA14 2ND | 01229 871616 |   |
| Glass CraftCopper Beeches Broughton Moor, Maryport, CA15 7SQ | 01900 817799 |   |
| Harmony Windows216 Ainslie St, Barrow-in-Furness, LA14 5BG | 01229 820044 |   |
| House Of Anderson (1905) Ltd18 New Market St, Ulverston, LA12 7LN | 01229 582273 |   |
| Keswick SuperglazeVulcans La, Workington, CA14 2NX | 01900 871233 |   |
| Keswick SuperglazeSuperglaze Ho/Penrith Rd, Keswick, CA12 4JU | 017687 74268 |   |