| Doorentryonline Ltd | 01322 222108 | | Mill House, Priory Road, Dartford, DA1 2BZ |  Map & Directions |
| Orbis Property Protection Ltd | 01322 281740 | | Questor, Wilks Avenue, Dartford, DA1 1JS | | Map & Directions |
| Specialist Security | 01322 222663 | | 4 Summerhill Road, Dartford, DA1 2LP | | Map & Directions |
| Cross Path Services Ltd | 01322 226055 | | Unit F, Lawson Road, Burnham Trading Estate, Dartford, DA1 5BH | | Map & Directions |
| Covert Installations Ltd | 01322 554035 | | 42 Lower Station Road, Crayford, Dartford, DA1 3PY | | Map & Directions |
| K J Entry Communications Services Ltd | 01322 394940 | | Mill House, Priory Road, Dartford, DA1 2BZ | | Map & Directions |
| Securicor Ltd | 01322 272321 | | Unit C, Butterly Avenue, Questor, Dartford, DA1 1JG | | Map & Directions |
| Global Security Services Ltd | 01474 700070 | | Po Box 223, Dartford, DA1 5YH | | Map & Directions |
| O'brian Security | 01322 424560 | | Crown House, Home Gardens, Dartford, DA1 1DZ | | Map & Directions |
| Sherriff Security | 01634 226588 | | 56 Spital Street, Dartford, DA1 2DT | | Map & Directions |
| Danson Securities Ltd | 01322 290991 | | 11 King Edward Avenue, Dartford, DA1 2HZ | | Map & Directions |
| Power Electrics | 020 8303 3990 | | 71 Arbuthnot Lane, Bexley, DA5 1HD | | Map & Directions |
| Cherub Alarms | 020 8303 6073 | | 21 Selsey Crescent, Welling, DA16 1ER | | Map & Directions |
| Optyma Security Systems Ltd | 020 8298 9458 | | 6 Harcourt Road, Bexleyheath, DA6 8AQ | | Map & Directions |
| Medway Security Distribution Ltd | 01474 358000 | | Unit B5, West Mill, Imperial Business Estate, Gravesend, DA11 0DL | | Map & Directions |
| Complete Projects Ltd | 01474 357600 | | F1 St. James House, 6 Overcliffe, Gravesend, DA11 0EF | | Map & Directions |
| Home Security Services | 01474 816518 | | Nurstead Lodge, Nurstead, Meopham, Gravesend, DA13 9AD | | Map & Directions |
| Cranfield Jardine Security Services | 01322 311300 | | 2 London Road, Stone, Dartford, DA2 6DJ | | Map & Directions |
| Select Security Systems Ltd | 020 8309 1206 | | 9-11 Birkbeck Road, Sidcup, DA14 4DB | | Map & Directions |
| Access Communication Services Ltd | 01474 834834 | | Unit 2 Westwood Farm, Highcross Road, Southfleet, Gravesend, DA13 9PH | | Map & Directions |
| Guardman Security Forces Ltd | 01322 440011 | | 1 Crusoe Road, Erith, DA8 1PJ | | Map & Directions |
| Optima Communication Technology | 020 8304 1409 | | 6 Harcourt Road, Bexleyheath, DA6 8AQ | | Map & Directions |
| National Security | 01322 439900 | | Regus House, Victory Way, Admirals Park, Crossways, Dartford, DA2 6AG | | Map & Directions |
| Independent Television Systems Ltd | 020 8298 1411 | | 13 Montpelier Avenue, Bexley, DA5 3AP | | Map & Directions |
| Knight Security Systems | 01322 525318 | | 23 Latham Road, Bexleyheath, DA6 7NW | | Map & Directions |
| Ats Security Locksmiths | 020 8311 3443 | | 113 Abbotts Walk, Bexleyheath, DA7 5RN | | Map & Directions |
| Breen Electrical | 020 8301 4231 | | 44a Woolwich Road, Bexleyheath, DA7 4HU | | Map & Directions |
| Tactical K 9 Security Services Ltd | 020 8312 0760 | | Crabtree Manorway South, Capital Industrial Estate, Belvedere, DA17 6BJ | | Map & Directions |
| Smith Technical Systems | 020 8301 1135 | | 9 Pickford Lane, Bexleyheath, DA7 4RD | | Map & Directions |
| Ford Security Supplies | 01474 534554 | | 74 Whitehill Road, Gravesend, DA12 5PH | | Map & Directions |
| Aceros Security | 020 8309 0077 | | Pond Farm, Bunkers Hill, Sidcup, DA14 5EX | | Map & Directions |
| Electronic Security Management Ltd | 020 8298 0030 | | 100 Park View Road, Welling, DA16 1SJ | | Map & Directions |
| C F M Security Services | 01322 341320 | | 53 Edendale Road, Bexleyheath, DA7 6RJ | | Map & Directions |
| B S I Total Security | 01322 382484 | | 33 Hedge Place Road, Greenhithe, DA9 9JZ | | Map & Directions |
| Butler Security Ltd | 020 8306 5798 | | 32 Broom Mead Road, Bexleyheath, DA6 7NY | | Map & Directions |
| Jb Business Services | 01474 814800 | | David Street, Meopham, Gravesend, DA13 0BT | | Map & Directions |
| Prestige Security Systems Ltd | 01322 381415 | | 10 Downs Valley, Hartley, Longfield, DA3 7RA | | Map & Directions |
| I D H Alarms Co Ltd | 01474 363535 | | 17 Edwin Street, Gravesend, DA12 1EH | | Map & Directions |
| Bbb Security Ltd | 01474 871727 | | 5 Upper Street South , New Ash Green, Longfield, DA3 8JJ | | Map & Directions |
| Advanced Guards Ltd | 020 8319 7323 | | Suite 15, Mulberry Way, River Wharf Business Park, Belvedere, DA17 6AR | | Map & Directions |
| Bluebird Security Systems | 020 8300 0000 | | Maidstone Road, Sidcup, DA14 5BE | | Map & Directions |
| I C U Home Security | 01474 533500 | | 32 Viking Road, Northfleet, Gravesend, DA11 8ET | | Map & Directions |
| Top 1 Security Ltd | 020 8854 6207 | | Capital House, 107 Upper Wickham Lane, Welling, DA16 3AG | | Map & Directions |
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