| Professional Security | 020 7610 2973 | | 72 Farm Lane , London, SW6 1QA |  Map & Directions |
| Iviewcameras Ltd | 020 7610 7140 | | Unit 7, Sulivan Road, Hurlingham Business Park, London, SW6 3DU | | Map & Directions |
| Soundsec | 020 7385 5354 | | Roxby House, 5-6 Roxby Place , London, SW6 1RS | | Map & Directions |
| S D M S Security Products | 020 7731 8417 | | Elysium Gate, 126 New Kings Road, London, SW6 4LZ | | Map & Directions |
| Hart | 020 7751 0771 | | Unit 22, Quayside Lodge, William Morris Way, London, SW6 2UZ | | Map & Directions |
| Odin Security Services Ltd | 020 7381 4237 | | Farm Lane Trading Estate, 101 Farm Lane, London, SW6 1QJ | | Map & Directions |
| C R S Systems Ltd | 020 7350 2223 | | Unit 23, Lavender Hill, Battersea Business Centre, London, SW11 5QF | | Map & Directions |
| Overview Ltd | 020 8871 5016 | | The Business Village, 3-9 Broomhill Road, London, SW18 4JQ | | Map & Directions |
| Home Protection Security Grilles Ltd | 020 7737 2228 | | 11a Bedford Road, Clapham North, London, SW4 7SH | | Map & Directions |
| Chiswick Security | 020 7630 6500 | | 4 Denbigh Street, London, SW1V 2ER | | Map & Directions |
| Security Masters | 020 8674 7999 | | 98 Claverdale Road, London, SW2 2DL | | Map & Directions |
| G K Alarms Ltd | 020 8240 1114 | | 176 Franciscan Road, London, SW17 8HH | | Map & Directions |
| London Legal Services Uk | 0870 765 9548 | | The Bon Marche Centre, 241-251 Ferndale Road, London, SW9 8BJ | | Map & Directions |
| Integrated Systems Installations | 020 8877 3399 | | 65 East Hill, London, SW18 2QE | | Map & Directions |
| British Security Technologies | 020 7793 8188 | | Unit 19 Hackford Walk, 119-123 Hackford Road, London, SW9 0QT | | Map & Directions |
| Chubb Emergency Response | 020 7735 4049 | | 68 South Lambeth Road, London, SW8 1RL | | Map & Directions |
| London Internal Security Systems | 020 8767 7788 | | 67-69 Trinity Road, London, SW17 7SD | | Map & Directions |
| C & W Security Gates & Grills | 020 7720 7721 | | 14a Wilcox Road, London, SW8 2UX | | Map & Directions |
| Retainagroup Ltd | 020 7823 6868 | | 134-136 Buckingham Palace Road , London, SW1W 9SA | | Map & Directions |
| Group 4 Securicor Global Risks | 020 7930 3744 | | 6 Duke Street, London, SW1Y 6BN | | Map & Directions |
| Grillesafe Security Ltd | 020 8874 4419 | | Unit D05, Haldane Place, Riverside Business Centre, London, SW18 4UQ | | Map & Directions |
| Permanex Security Ltd | 020 8247 3900 | | 63 Weir Road , London, SW19 8UG | | Map & Directions |
| Comprehensive Security Ltd | 020 8286 2506 | | 373 Cannon Hill Lane, London, SW20 9HQ | | Map & Directions |
| Force One Security Services Ltd | 0800 849 1240 | | 2 Mount Ephraim Road, London, SW16 1NG | | Map & Directions |
| I Spy Security Services Ltd | 020 8545 0314 | | 308-310 Haydons Road, Wimbledon, London, SW19 8JZ | | Map & Directions |
| Lost Prevention Protection Services Ltd | 020 7821 0572 | | Dolphin Square, London, SW1V 3LX | | Map & Directions |
| Elefire Ltd | 0800 316 8099 | | 3rd Floor, St. James's House, 23 King Street , London, SW1Y 6QY | | Map & Directions |
| Simply Alarming Security Ltd | 020 8677 6633 | | 9 Sunnyhill Road, London, SW16 2UG | | Map & Directions |
| The Keyholding Co | 0870 770 6880 | | Unit 2 Cotswold Mews, 30 Battersea Square, London, SW11 3RA | | Map & Directions |
| Knightguard | 020 8287 2705 | | East House, East Road, London, SW19 1AH | | Map & Directions |
| Security Red Alert | 020 8946 5567 | | Security House Unit 2, 73 Summerstown, London, SW17 0BQ | | Map & Directions |
| Knightsbridge Security Systems Ltd | 020 7581 2671 | | 17 Beauchamp Place, London, SW3 1NQ | | Map & Directions |
| Elizabethan Security Ltd | 020 7738 6555 | | The Stableyard, Broomgrove Road, London, SW9 9TL | | Map & Directions |
| Amerex | 020 8673 4534 | | Churchill House, Cavendish Road , London, SW12 0BP | | Map & Directions |
| Assist Security Ltd | 020 8543 6670 | | Unit 26 Lombard Business Park, 8 Lombard Road, London, SW19 3TZ | | Map & Directions |
| Icp Group Ltd | 020 7031 4440 | | 2 Old Brompton Road, London, SW7 3DQ | | Map & Directions |
| The Event & Exhibition Partnership Ltd | 020 8543 5588 | | 10-12 Lombard Road, London, SW19 3TZ | | Map & Directions |
| Oriel Solutions Ltd | 020 7924 5809 | | Unit 3 River Reach Business Park, Gartons Way, London, SW11 3SX | | Map & Directions |
| Red Circle Security Services Ltd | 020 7233 6955 | | 10 Upper Tachbrook Street, London, SW1V 1SH | | Map & Directions |
| S P I Associates Ltd | 020 7793 9080 | | 71 Claylands Road , London, SW8 1PJ | | Map & Directions |
| Reliance Security Services Ltd | 020 7222 6044 | | 2-4 Old Pye Street, London, SW1P 2LE | | Map & Directions |
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