| Arrow Security Ltd | 01252 877521 | 92 High Street, Sandhurst, Berkshire, GU47 8EE |
| Diamond Security Centres Ltd. | 01344 779779 | 283 High Street, Crowthorne, Berkshire, RG45 7AH |
| Eld Security Services | 01344 771536 | Woodthorpe, Wellingtonia Avenue, Crowthorne, Berkshire, RG45 6AE |
| K R L Security Services Ltd. | 01344 752210 | Kings Road, Crowthorne, Berkshire, RG45 7BG |
| Keyholding Response Ltd | 01344 750005 | Security: Key holding and alarm response to properties in the local and surrounding areas 1 Kings Road, Crowthorne, Berkshire, RG45 7BF |
| Microtec Security Ltd | 01344 777045 | 4 Long Mickle, Sandhurst, Berkshire, GU47 8QW |
| R K Electrical Securities | 01344 778414 | 6 Regents Place, Sandhurst, Berkshire, GU47 9AS |
| Varin Fire Systems Ltd. | 01344 780777 | 3 Greystoke Court, Crowthorne, Berkshire, RG45 7LS |
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