| Riber Security & Investigations Ltd | 01629 583260 | | 69 Smedley Street East, Matlock, DE4 3FQ |  Map & Directions |
| Century Electronic Security Ltd | 01530 515039 | | 6 High Street, Measham, Swadlincote, DE12 7HR | | Map & Directions |
| Keepsafe Security Installations Ltd | 01773 861071 | | 60 The Common, South Normanton, Alfreton, DE55 2EN | | Map & Directions |
| Attendo Systems | 01332 363702 | | Unit 3, Stores Road, Derby Trading Estate, Derby, DE21 4BE | | Map & Directions |
| Tamper Technologies | 01335 300335 | | The Oaks Block, Moor Farm Road, Airfield Industrial Estate, Ashbourne, DE6 1HD | | Map & Directions |
| E J Security | 01332 754334 | | 1234 London Road, Alvaston, Derby, DE24 8QP | | Map & Directions |
| Safe-Sec Ltd | 01283 540025 | | Unit 13, Centrum One Hundred, Faraday Court, Burton On Trent, DE14 2WX | | Map & Directions |
| Ken-Tec Products | 0870 744 9968 | | Yew Tree Lane , Bradley, Ashbourne, DE6 1PG | | Map & Directions |
| Secure Alarm Co | 0870 042 9999 | | Unit 28, Shaftesbury Street South, Derby, DE23 8YH | | Map & Directions |
| Building Technology Services | 01283 566977 | | Dallow Street, Burton On Trent, DE14 2PQ | | Map & Directions |
| D & P Security & Telephone Services | 01283 530886 | | 21 Guinevere Avenue, Stretton, Burton On Trent, DE13 0FZ | | Map & Directions |
| Invincible Security Services Ltd | 01283 741502 | | Suite 52, Imex Business Park, Shobnall Road, Burton On Trent, DE14 2AU | | Map & Directions |
| M & R Electrical Ltd | 01543 416663 | | 5 Hadley End, Yoxall, Burton On Trent, DE13 8PF | | Map & Directions |
| K P Electrics Ltd | 01283 223262 | | 8 The Pastures, Newhall, Swadlincote, DE11 0US | | Map & Directions |
| T W Electrical | 01283 219534 | | 340 Burton Road , Midway, Swadlincote, DE11 7ND | | Map & Directions |
| Henshaws Security | 01773 743658 | | 90A Heanor Road , Codnor, Ripley, DE5 9SF | | Map & Directions |
| L & D Electrics | 01283 544136 | | 37 Newton Leys, Burton On Trent, DE15 0DW | | Map & Directions |
| Lightsimple Ltd | 0845 056 3469 | | 34 Eden Close, Hilton, Derby, DE65 5NL | | Map & Directions |
| A K Security | 01332 518070 | | 12 Hailsham Close, Mickleover, Derby, DE3 0PE | | Map & Directions |
| Euro Tech Security Systems Ltd | 01332 348539 | | 48 Sinfin Moor Lane, Chellaston, Derby, DE73 5SQ | | Map & Directions |
| Samson Technology | 01332 678877 | | 47 Chaddesden Park Road, Derby, DE21 6HE | | Map & Directions |
| Midland Security Systems | 01332 296664 | | 544a Burton Road, Littleover, Derby, DE23 6FN | | Map & Directions |
| Specialized Security Solutions Ltd | 01332 280350 | | The Old Barn, 229 Derby Road, Spondon, Derby, DE21 7LW | | Map & Directions |
| S A C Marketing Ltd | 0870 042 9999 | | Lincoln House, Malcolm Street , Derby, DE23 8LT | | Map & Directions |
| Ganem Security Systems | 01283 219960 | | 51 Norris Hill, Moira, Swadlincote, DE12 6ER | | Map & Directions |
| Security Alert Ltd | 01332 367453 | | 17 St. James Street, Derby, DE1 1RF | | Map & Directions |
| Security Alert Ltd | 01332 208090 | | 42 Wiltshire Road, Derby, DE21 6EX | | Map & Directions |
| Renaissance Security | 01773 767686 | | 19 Church Street, Heanor, DE75 7AH | | Map & Directions |
| Gee Security Ltd | 01773 546606 | | 100A High Street , Alfreton, DE55 7BE | | Map & Directions |
| Safe Sec Security | 01283 497114 | | Equity House, Watson Street, Burton On Trent, DE14 3AH | | Map & Directions |
| Sharp | 01332 298833 | | The Old Courthouse, St. Peters Churchyard, Derby, DE1 1NN | | Map & Directions |
| Eagle Security Systems Ltd | 0115 944 1234 | | Galtee House, 1 Heanor Road, Ilkeston, DE7 8DY | | Map & Directions |
| Circuit Services Ltd | 01332 384244 | | 22 St. Pauls Road, Derby, DE1 3RS | | Map & Directions |
| Keepsafe Security Services Ltd | 01773 603453 | | Keepsafe House, Shaw Street, Riddings, Alfreton, DE55 4EY | | Map & Directions |
| Vistek Security | 01332 835025 | | 204 Alfreton Road, Little Eaton, Derby, DE21 5AB | | Map & Directions |
| Elite Security Services Ltd | 01332 383630 | | Suite 1, 2, Bateman Court, Bateman Street , Derby, DE23 8JQ | | Map & Directions |
| A E S Radionic Security Systems | 01283 790819 | | 36a Main Street, Alrewas, Burton On Trent, DE13 7AA | | Map & Directions |
| Sentinel Security | 01283 552600 | | Unit 6, Boardman Road, Boardman Industrial Estate, Swadlincote, DE11 9DL | | Map & Directions |
| M T S | 0115 930 5970 | | 2 Hurley Court, West Hallam, Ilkeston, DE7 6LG | | Map & Directions |
| Andrews Fire & Security Ltd | 01283 791919 | | 2a Station Yard, Alrewas, Burton On Trent, DE13 7BD | | Map & Directions |
| Frost Securities | 01283 566209 | | 51 Bearwood Hill Road, Burton On Trent, DE15 0JR | | Map & Directions |
| Landlord Enterprises | 01283 216685 | | 3 Ashby Road, Woodville, Swadlincote, DE11 7BZ | | Map & Directions |
| Charter Consultancy | 0115 932 6285 | | 3 Charter Park, Ilkeston, DE7 5GA | | Map & Directions |
| Swift Fire & Security Ltd | 0115 949 9449 | | 6/10 Rising Lea, Derby Road, Risley, Derby, DE72 3SS | | Map & Directions |
| Secure Alarm Co Ltd | 01332 866689 | | Malcolm Street, Derby, DE23 8LT | | Map & Directions |
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