| Techno Security Systems | 020 8845 7968 | | 3 Appledore Avenue, Ruislip, HA4 0UT |  Map & Directions |
| Currys.Digital | 020 8952 0511 | | 161-163 Station Road, Edgware, HA8 7JS | | Map & Directions |
| Currys Digital | 020 8861 2105 | | 3-4 St. Anns Road, St. Anns Shopping Centre, Harrow, HA1 1AS | | Map & Directions |
| Currys | 020 8795 0466 | | Unit 1a, Wembley Park Drive, Stadium Retail Park, Wembley, HA9 8TS | | Map & Directions |
| Harrow Electrical | 020 8422 1863 | | 308 Northolt Road, Harrow, HA2 8EE | | Map & Directions |
| Mannerings Sound & Vision | 020 8422 2778 | | 21 Northolt Road, Station Parade, Harrow, HA2 8HG | | Map & Directions |
| Comet Group Plc | 0870 542 5425 | | Tego House, Victoria Road, Ruislip, HA4 0QQ | | Map & Directions |
| A.A.I Security Systems | 020 8951 4936 | | 1 Whitchurch Parade, Whitchurch Lane, Edgware, HA8 6LR | | Map & Directions |
| Bene Trading Co Ltd | 020 8900 2082 | | 10 North End Road, Wembley Park Business Centre, Wembley, HA9 0AS | | Map & Directions |
| S O S Security Systems | 01923 833575 | | Po Box 216, Northwood, HA6 2ZG | | Map & Directions |
| Olson Electronics Ltd | 020 8905 7273 | | 490 Honeypot Lane, Stanmore, HA7 1JY | | Map & Directions |
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