| Armadillo Window Protection | 01638 610490 | | 1 The Avenue, Burwell, Cambridge, CB5 0DE |  Map & Directions |
| D J Grindley Electrical Services | 01638 604605 | | 14 North Street, Burwell, Cambridge, CB5 0BA | | Map & Directions |
| Advance Security Ltd | 01223 566599 | | 14 Barnwell Drive, Barnwell Business Park, Cambridge, CB5 8UZ | | Map & Directions |
| Dent Security Systems Ltd | 01223 350038 | | 287 Newmarket Road, Cambridge, CB5 8JE | | Map & Directions |
| Initial Electronics Security Ltd | 01223 214677 | | Unit 13, Barnwell Drive, Barnwell Business Park, Cambridge, CB5 8UY | | Map & Directions |
| Barcode Solutions.Co.Uk | 01223 507393 | | Orwell House, Cowley Road, Cambridge, CB4 0PP | | Map & Directions |
| Newmarket Equine Security | 01440 820282 | | Rosemary House, Lanwades Business Park, Kennett, Newmarket, CB8 7PN | | Map & Directions |
| S N E Alarms | 01638 552110 | | 3 Forest End, Kennett, Newmarket, CB8 7RG | | Map & Directions |
| A F F International Ltd | 01223 462676 | | 5 Courtney Way, Cambridge, CB4 2EE | | Map & Directions |
| Saffron Security | 01799 529911 | | Stanstead House, Shire Hill, Saffron Walden, CB11 3AQ | | Map & Directions |
| Activ Security Ltd | 01223 244311 | | 138 Cherry Hinton Road, Cambridge, CB1 7AJ | | Map & Directions |
| Cambridge Neurodynamics Ltd | 01223 488540 | | Cowley Road, Cambridge Business Park, Cambridge, CB4 0WZ | | Map & Directions |
| Shadow Security Ltd | 01223 870040 | | Newton Hall, Town Street , Newton, Cambridge, CB2 5PE | | Map & Directions |
| Soham Security Products Ltd | 01353 722930 | | 22 Regal Drive, Soham, Ely, CB7 5BE | | Map & Directions |
| H I D Corporation Ltd | 01440 714850 | | Homefield Road, Haverhill, CB9 8QP | | Map & Directions |
| Access Control Solutions Ltd | 01440 712688 | | 6 Station Road, Haverhill, CB9 0EU | | Map & Directions |
| Aztek Services Ltd | 01638 781799 | | Unit 8 Hall Barn Industrial Estate, Isleham, Ely, CB7 5RB | | Map & Directions |
| Sygma Security Systems Ltd | 0800 043 6728 | | 2a Langford Arch, Sawston, Cambridge, CB2 4EE | | Map & Directions |
| Comelit Ltd | 01440 712688 | | Access House, 21 Queen Street, Haverhill, CB9 9DZ | | Map & Directions |
| Cardinal Security | 01799 533450 | | Station Approach, London Road, Great Chesterford, Saffron Walden, CB10 1NY | | Map & Directions |
| The Security Network Ltd | 01353 742000 | | Parkes Farm, Aldreth Road, Haddenham, Ely, CB6 3PN | | Map & Directions |
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