| Link Surveillance | 01271 344048 | | Elmhurst, Braunton Road, Barnstaple, EX31 1GA |  Map & Directions |
| Thomas Ackland Security Systems | 01271 323931 | | Unit 9 Brannam Crescent, Roundswell Business Park, Barnstaple, EX31 3TD | | Map & Directions |
| Vanguard Security Services | 01271 324744 | | 1 Bridge Chambers, Barnstaple, EX31 1HB | | Map & Directions |
| Active Alarms South West | 01271 858886 | | 53 Furze Park Road, Bratton Fleming, Barnstaple, EX31 4TA | | Map & Directions |
| M And E Alarms Ltd | 01392 493330 | | Lower Charlacott, Tawstock, Barnstaple, EX31 3JY | | Map & Directions |
| Barum Friend Security Ltd | 01271 342560 | | 3 Mill Road, Barnstaple, EX31 1JQ | | Map & Directions |
| Advanced Security Alarm Protection | 01392 271104 | | 38 Church Road , St. Thomas, Exeter, EX2 9AX | | Map & Directions |
| Ggf Security | 01392 680754 | | Summer House Summer Way, Pinhoe Industrial Estate, Exeter, EX4 8JD | | Map & Directions |
| Venture Security Systems Ltd | 01392 851411 | | Queensgate House, 48 Queen Street, Exeter, EX4 3SR | | Map & Directions |
| Guarantor Security Ltd | 01237 472740 | | Bidna Yard, Wooda Road, Appledore, Bideford, EX39 1UZ | | Map & Directions |
| Vanguard Security Services | 01271 379101 | | 40 Silverwood Heights, Barnstaple, EX32 7RJ | | Map & Directions |
| Securitas Ltd | 01392 444678 | | Building 630, Oberon Road, Exeter Business Park, Exeter, EX1 3QD | | Map & Directions |
| Sws Fire & Security Ltd | 01392 209229 | | 39 Marsh Green Road West, Marsh Barton Trading Estate, Exeter, EX2 8PN | | Map & Directions |
| Hi-Tec Home Security Ltd | 01392 664424 | | 2 Sivell Place, Exeter, EX2 5ER | | Map & Directions |
| Micota | 01395 443133 | | 10 Lansdowne Road, Budleigh Salterton, EX9 6AH | | Map & Directions |
| Initial Electronic Security | 01271 371309 | | Unit 19, Castle Park Road, Whiddon Valley Industrial Estate, Barnstaple, EX32 8PA | | Map & Directions |
| Sws Secure Ltd | 01392 203214 | | 39 Marsh Green Road West, Marsh Barton Trading Estate, Exeter, EX2 8PN | | Map & Directions |
| Digi Security | 01392 412000 | | The Old Bakery, Lower North Street, Exeter, EX4 3ET | | Map & Directions |
| Selec Systems Ltd | 01297 34946 | | Vale Lane Works, Vale Lane, Axminster, EX13 5PX | | Map & Directions |
| Xtra-Sense Ltd | 01404 43366 | | 2 Devonshire Court, Heathpark Industrial Estate, Honiton, EX14 1SB | | Map & Directions |
| Ryan Alarms | 01237 425320 | | Kingsley House, Buckleigh Road, Westward House, Bideford, EX39 3PU | | Map & Directions |
| Night Owl Security Ltd | 01392 677569 | | 200 High Street , Exeter, EX4 3EB | | Map & Directions |
| N G S Group | 01392 833880 | | Devon & Exeter Racecourse, Kennford, Exeter, EX6 7XS | | Map & Directions |
| Interceptor Security | 01884 277297 | | SHUTE HANGER, Samford Peverell, Tiverton, EX16 7EB | | Map & Directions |
| Westcountry Security Ltd | 01392 671561 | | Unit 9 Orchard Court, Heron Road, Sowton Industrial Estate, Exeter, EX2 7LL | | Map & Directions |
| J F S Security Systems Ltd | 01392 447654 | | Unit 17, Apple Lane, Exeter, EX2 5GL | | Map & Directions |
| Exeter Security Systems | 01392 211979 | | 24 Plassey Close, Exeter, EX4 5HE | | Map & Directions |
| Securexe Security Systems | 01395 227337 | | 24 Park Lane, Exmouth, EX8 1TH | | Map & Directions |
| Tarka Electronics | 01805 601777 | | 4 Berry Cross, Langtree, Torrington, EX38 8NT | | Map & Directions |
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