County Londonderry, Northern Ireland
- 3.P.S Computer Services
- 0845 3736639 - 2 Annadale Lane, Limavady, County Londonderry, BT49 9BX
- Cartridge World
- 028 71367999 - 4 Strand Road, Londonderry, County Londonderry, BT48 7AB
- P C Computer Clinic
- 028 71283355 - 7 Clyde Street, Londonderry, County Londonderry, BT48 7EJ
- Portstewart Computer Services
- 028 70833392 - 15 Knockancor Drive, Portstewart, County Londonderry, BT55 7SP
- 3.p.s Computer Services
- 028 77767850 - 10 Danny Boy Place, Limavady, BT49 0UH
- Fusion Computer Systems
- 0870 8148358 - Tirglasson, Claudy, Londonderry, BT47 4ET
- Technical Simplicity
- 07841 802549 - 36 Caldwell Park, Portrush, Antrim, BT56 8PJ