| National Security | 0113 286 0555 | | 3 East Ridge View, Garforth, Leeds, LS25 2PN |  Map & Directions |
| D K S Security | 0113 286 4396 | | 30 Denesway, Garforth, Leeds, LS25 2AT | | Map & Directions |
| G C Electronics | 01977 683576 | | 21 Appletree Way, Sherburn in Elmet, Leeds, LS25 6DQ | | Map & Directions |
| Securi-Plex Ltd | 01977 680700 | | Aviation House, Swordfish Way, Sherburn In Elmet, Leeds, LS25 6NG | | Map & Directions |
| E S S Security Ltd | 0113 287 4402 | | 7 Westfield Lane, Kippax, Leeds, LS25 7LY | | Map & Directions |
| Alarm Services | 0113 287 2666 | | 9 The Chase, Garforth, Leeds, LS25 2NP | | Map & Directions |
| Protech Security Ltd | 0113 256 6480 | | Unit 2b Sunnybank Mills, Town Street, Farsley, Pudsey, LS28 5UJ | | Map & Directions |
| Group 4 Court Services Ltd | 0113 276 1120 | | 16 Brown Avenue, Leeds, LS11 0DS | | Map & Directions |
| Diebold Enterprise Security Systems Ltd | 0113 201 8990 | | 1280 Thorpe Park, Century Way, Leeds, LS15 8ZB | | Map & Directions |
| Monks Security Systems | 0113 231 0848 | | 11 Armley Park Court, Stanningley Road, Leeds, LS12 2AE | | Map & Directions |
| Gardiners Security Ltd | 0113 244 9031 | | 2 Castleton Close , Leeds, LS12 2DS | | Map & Directions |
| Constant Watch Security | 0113 255 6589 | | 32 Hare Farm Avenue, Leeds, LS12 5QB | | Map & Directions |
| S M B | 0113 255 0900 | | Unit 1 Aston Court, Town End Close, Leeds, LS13 2AF | | Map & Directions |
| Kingsley Security | 0113 255 6996 | | 1 Town Street, Farsley, Pudsey, LS28 5EN | | Map & Directions |
| Keybury Security Systems Ltd | 01943 605064 | | 1 East Parade, Drill Hall Business Centre, Ilkley, LS29 8EZ | | Map & Directions |
| Gerald Cliff Ltd | 0113 243 0497 | | 30 Hartley Avenue , Leeds, LS6 2LP | | Map & Directions |
| Alarm Installations | 0113 271 1944 | | Unit 11 Moorside Maltings, Burton Row, Leeds, LS11 5NX | | Map & Directions |
| J M Fabrications | 0113 279 7561 | | Unit 23 Coal Hill Lane, Farsley, Pudsey, LS28 5NA | | Map & Directions |
| Triton Security & Facilities Management | 01937 849889 | | Unit 311, Thorp Arch Trading Estate, Thorp Arch, Wetherby, LS23 7BJ | | Map & Directions |
| Effective Security Services Ltd | 0113 204 2410 | | Rutland House, Call Lane, Leeds, LS1 6DT | | Map & Directions |
| R.C.D Electrical Contractors Ltd | 07813 752954 | | The Workshop Home Farm, Featherbed Lane, Wighill Park, Tadcaster, LS24 8BN | | Map & Directions |
| Swift Security | 0113 277 1616 | | Unit 12 Concourse House, 432 Dewsbury Road, Leeds, LS11 7DF | | Map & Directions |
| T I Security Ltd | 0113 281 2106 | | Enterprise Industrial Estate, Aberford Road, Barwick In Elmet, Leeds, LS15 4EF | | Map & Directions |
| Network Securities | 0113 244 3003 | | Unit C1, Roundhouse Business Park, Graingers Way, Leeds, LS12 1AH | | Map & Directions |
| Haigh Alarms | 0113 282 3801 | | 5 Marsh Street, Rothwell, Leeds, LS26 0AG | | Map & Directions |
| Securitas Security Services Ltd | 0113 307 1770 | | Nepshaw Lane South, Axis Court, Morley, Leeds, LS27 7UY | | Map & Directions |
| Alliance Key Registries Ltd | 0113 245 2818 | | 13 Queen Square, Leeds, LS2 8AJ | | Map & Directions |
| Pudsey Monitoring | 0113 236 3006 | | Unit 1 Waterloo Road, Pudsey, LS28 8DF | | Map & Directions |
| Sector | 0113 277 3031 | | Metro House, 57 Pepper Road, Leeds, LS10 2RU | | Map & Directions |
| Chubb Electronic Security Ltd | 0870 241 8530 | | 5 Canal Place, Leeds, LS12 2DU | | Map & Directions |
| Elite Security | 0113 271 1770 | | Elite House, Pepper Road, Leeds, LS10 2RU | | Map & Directions |
| Security Manufacturing Systems Ltd | 0113 248 4747 | | 147 Easterly Road, Leeds, LS8 2RY | | Map & Directions |
| B D S Electrical | 0113 255 2389 | | 10 Calverley Drive, Leeds, LS13 3LN | | Map & Directions |
| Direct Alarms | 0113 289 7897 | | 11 Croft House Drive, Morley, Leeds, LS27 8NU | | Map & Directions |
| Legion Security Plc | 0113 276 2211 | | Unit 3a, Parkside Lane, Ashbrooke Park, Leeds, LS11 5SF | | Map & Directions |
| The C A S A C Partnership Ltd | 0113 380 5650 | | 233-237 Roundhay Road, Leeds, LS8 4HS | | Map & Directions |
| Eagle Eye Security | 0113 271 0839 | | 10 Hopewell View, Leeds, LS10 3TE | | Map & Directions |
| Ner Ltd | 0113 255 9955 | | Aston Court, 1 Town End Close, Leeds, LS13 2AF | | Map & Directions |
| Nationwide Security Services | 0113 276 0330 | | 101 Wellington Road , Leeds, LS12 1DX | | Map & Directions |
| Firetec Fire & Security Ltd | 0113 255 3999 | | Broad Lane, St. Catherines Business Complex, Leeds, LS13 2TD | | Map & Directions |
| Tauratec Systems | 0870 908 9988 | | Trant House, Fountain Street , Churwell/Morley, Leeds, LS27 7QZ | | Map & Directions |
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