| Name | Location |
|---|---|
| X-Scapes Ltd | Godmanchester, Huntingdon, Cambridgeshire |
| X-Static Electrics | Worcester |
| Xcel Electrical Engineers Ltd | Macclesfield |
| Xenon Heating | Beckenham, Kent |
| XLPorcelain | Hall Farm, Button Bridge, Kinlet, Bewdley, Shropshire |
| Xpress Gas Services | Wolverhampton |
| Xpress Heating Ltd | 72 Charlecote Road, Stockport, Mancheste |
| XShine Cleaning Services Ltd | London |
| Xterior solutions | Portsmouth |
| Xterior solutions landscaping | Langley mill cottage, ascot- under -wychwood, Ox7, Oxfordshire |
| Xtra-Sense Ltd | Honiton, Devon |
| Xtreme Electrical Contractors Ltd | Mansfield |
| Xtreme Heating & Plumbing Ltd | Burton on Trent |
| Xylem Tree care | Roughley Drive, Sutton Coldfield, West Midlands |