Company Index
- X-Tek Systems Ltd - Tring
- X.E.L. Electronics Ltd - Petersfield
- XCam Ltd - Northampton
- Xcess Electronics Ltd - St Neots
- Xed Ltd - Bristol
- Xel Design Ltd - Bishop Auckland
- Xerox UK Ltd - Uxbridge
- Xilinx Ltd - Weybridge
- Xitek Ltd - Malvern
- Xixin Ltd - Luton
- Xko Network Systems - Lutterworth
- XL Systems Ltd - Warlingham
- Xltronix Ltd - Neath
- Xma Ltd - Nottingham
- Xn Checkout Holdings Ltd - Dunstable
- Xp Electronics Ltd - Sawbridgeworth
- XP Power - Reading
- Xpert Systems - Warrington
- XPS Ltd - Portslade
- Xtra-Sense Ltd - Honiton
- Xyratex Technology Ltd - Havant
