| B W S Security Systems | 01793 435111 | | Unit 18 Church Farm Business Park, Corston, Bath, BA2 9AP |  Map & Directions |
| Insafe International | 01761 410055 | | Unit 4 Westfield Court, Third Avenue, Westfield Industrial Estate, Midsomer Norton, Radstock, BA3 4XD | | Map & Directions |
| Aide Memoire | 01935 433770 | | Keyford House, Dorchester Road, Yeovil, BA22 9RA | | Map & Directions |
| Security West Guarding Ltd | 01373 467018 | | 1a Badcox, Frome, BA11 3BG | | Map & Directions |
| Gehrer Sharp | 01963 33080 | | Unit 9 Lawrence Hill Business Centre, Saxon Way, Wincanton Business Park, Wincanton, BA9 9RT | | Map & Directions |
| Tollgate Security Ltd | 01225 444328 | | 16 Claverton Buildings, Bath, BA2 4LD | | Map & Directions |
| J R Security Service | 01373 471532 | | 18 Leaze Close, Frome, BA11 3EZ | | Map & Directions |
| South & West Security Ltd | 01380 871892 | | Unit 1 Raydown Leaze, Edington Road, Steeple Ashton, Trowbridge, BA14 6HP | | Map & Directions |
| West Coast Security | 01225 852727 | | Westover, Bradford Road, Bathford, Bath, BA1 7SD | | Map & Directions |
| Srt Security Systems Ltd | 01458 441166 | | 145 High Street, Street, BA16 0EX | | Map & Directions |
| Security & Electrical Services | 01935 433488 | | 147 Preston Road, Yeovil, BA20 2DZ | | Map & Directions |
| Adept Fire & Security Systems Ltd | 01761 416885 | | Unit D, Second Avenue, Westfield Industrial Estate, Midsomer Norton, Radstock, BA3 4BH | | Map & Directions |
| Future Security Systems | 01761 232955 | | 1 The Mead, Stratton-On-The-Fosse, Radstock, BA3 4QL | | Map & Directions |
| R I Manufacturing | 01985 248454 | | Chaple Barn Yard, Deptford, Wylye, Warminster, BA12 0QQ | | Map & Directions |
| E Register Ltd | 01225 329090 | | Beazer House, Lower Bristol Road, Bath, BA2 3BA | | Map & Directions |
| Atlas Uk Security Services | 01935 474929 | | Unit 2 Vagg Park, Larkhill Road, Yeovil, BA21 3PR | | Map & Directions |
| Caremaster Safety & Security | 01761 471116 | | 1 Radford Hill, Timsbury, Bath, BA2 0LE | | Map & Directions |
| M J S Security Services | 01935 432226 | | 4 Armoury Road, Lufton Trading Estate, Lufton, Yeovil, BA22 8RL | | Map & Directions |
| A C T Alarms | 01761 232279 | | 5 Sheppards Walk, Chilcompton, Radstock, BA3 4FF | | Map & Directions |
| Alert Systems Ltd | 01225 775666 | | 1 Canal Road, Willowside Park, Trowbridge, BA14 8RH | | Map & Directions |
| Citadel Systems Ltd | 01225 480368 | | Priston Mill Farm, Priston, Bath, BA2 9EQ | | Map & Directions |
| Security Guarding Solutions | 0870 241 5067 | | Kestrel House, 7 Mill Street, Trowbridge, BA14 8BE | | Map & Directions |
| Energy Communications Ltd | 01225 832476 | | 54 Bradford Road, Combe Down, Bath, BA2 5BY | | Map & Directions |
| Cosatt Ltd | 01985 844959 | | Dairy House, Norton Ferris, Warminster, BA12 7HT | | Map & Directions |
| Sheldon Little Associates Ltd | 01380 871161 | | Po Box 2485, Trowbridge, BA14 6YE | | Map & Directions |
| Aquila Associates Ltd | 0871 871 7710 | | Aquila House, Corsley Heath, Corsley, Warminster, BA12 7PL | | Map & Directions |
| B W S Ltd | 01225 872385 | | Unit 18 Church Farm Business Park, Corston, Bath, BA2 9AP | | Map & Directions |
| Technology Detection Industries | 01373 465429 | | 7 Vine Gardens, Frome, BA11 2LX | | Map & Directions |
| Vigilant Security | 01935 840385 | | Northover Lodge, Northover, Ilchester, Yeovil, BA22 8NG | | Map & Directions |
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