| Pro-Tex Security Ltd | 01262 409796 | | 7 Windermere Drive, Bridlington, YO16 6HJ |  Map & Directions |
| A S Y Alarm Systems | 01904 624402 | | 10 Northolme Drive, York, YO30 5RP | | Map & Directions |
| Alarm Centres | 01757 700773 | | Corunna House, 42-44 Ousegate, Selby, YO8 4NH | | Map & Directions |
| Pro Active Alarms | 01904 632335 | | 54 Huntington Road, York, YO31 8RE | | Map & Directions |
| Mayfair Security | 01757 701596 | | Adelaide House, Canal Road, Vivars Way, Selby, YO8 8BE | | Map & Directions |
| The Alarm Monitoring Co | 01347 822111 | | School House, Raskelf, York, YO61 3LG | | Map & Directions |
| Exell Technology Ltd | 01430 861133 | | Unit, Skiff Lane, Holme Industrial Estate, Holme-On-Spalding-Moor, York, YO43 4BB | | Map & Directions |
| Bradbury Security | 01964 541581 | | Little Trees, Leven Road, Brandesburton, Driffield, YO25 8RU | | Map & Directions |
| Group Response Ltd | 01757 213270 | | Adelaide House, Canal Road, Vivars Way, Selby, YO8 8BE | | Map & Directions |
| Instore Security Ltd | 01723 376751 | | 9 Sussex Street, Scarborough, YO11 1BJ | | Map & Directions |
| Grove Fire & Security | 01904 635891 | | 9 Reginald Grove, York, YO23 1LN | | Map & Directions |
| Baymont Alarms | 01904 471120 | | 137 Brecksfield, Skelton, York, YO30 1YE | | Map & Directions |
| Active Security Group | 01757 213311 | | 15 New Street, Selby, YO8 4PT | | Map & Directions |
| D B 7 | 01262 608080 | | Lancaster Road, Carnaby Industrial Estate, Carnaby, Bridlington, YO15 3QY | | Map & Directions |
| Security With Vision Ltd | 01757 228168 | | 7 Station Road, Hambleton, Selby, YO8 9HS | | Map & Directions |
| M T A Systems | 01757 210669 | | Adelaide House, Canal Road, Vivars Way, Selby, YO8 8BE | | Map & Directions |
| Authentix | 01904 486800 | | 7 Chessingham Park , Common Road , Dunnington, York, YO19 5SE | | Map & Directions |
| Taybell Alarms Ltd | 01904 622227 | | Unit 1, Marston Moor Business Park, Tockwith, York, YO26 7QF | | Map & Directions |
| Night Sight Security | 01904 631628 | | 5 St. Clements Grove, York, YO23 1JZ | | Map & Directions |
| Cooper Electrical Services Ltd | 01904 481488 | | Westfieldds, Hull Road, Dunnington, York, YO19 5LP | | Map & Directions |
| Coastal Security Ltd | 01723 366969 | | 55 Castle Road, Scarborough, YO11 1BG | | Map & Directions |
| F 1 Ltd | 01904 786444 | | Marlborough House, Westminster Place, York Business Park, Nether Poppleton, York, YO26 6RW | | Map & Directions |
| Wallace Security Group | 01377 217944 | | 4 Front Street, Front Street Court, Middleton On The Wolds, Driffield, YO25 9TZ | | Map & Directions |
| Group 4 Securicor | 01904 690384 | | Green Lane Trading Estate, Clifton, York, YO30 5PY | | Map & Directions |
| Swat Security | 01757 700773 | | Corunna House, 42-44 Ousegate, Selby, YO8 4NH | | Map & Directions |
| G2 Integrated Security Solutions Ltd | 01723 364491 | | Unit 66, The Sitwell Centre, Sitwell Street, Scarborough, YO12 5ET | | Map & Directions |
| Rollinson Security Ltd | 01904 700760 | | 18 Weavers Park, Copmanthorpe, York, YO23 3XA | | Map & Directions |
| Chris Bell Alarms & Electrical | 01904 778683 | | 290 Huntington Road, York, YO31 9BT | | Map & Directions |
| B Pallister Electrical Contractor | 01904 421164 | | 23 Oakland Avenue , York, YO31 1BY | | Map & Directions |
| Intruder Alarm Services Ltd | 01723 503066 | | 1 West Bank, Scarborough, YO12 4DX | | Map & Directions |
| G M C Fire & Security | 01653 697917 | | Riccall Drive, York Road Business Park, Malton, YO17 6YE | | Map & Directions |
| Enigma Intergrated Systems Ltd | 01759 305750 | | PO Box 185, Pocklington, York, YO42 2YP | | Map & Directions |
| Electric City York Ltd | 01904 400015 | | Sandy Lodge, Sandy Lane, Stockton On The Forest, York, YO32 9UT | | Map & Directions |
| Regal Security & Fire Protection | 01723 373361 | | 180 Victoria Road, Scarborough, YO11 1SX | | Map & Directions |
| Maximum Pacific Ltd | 01947 605154 | | Unit G8, The Ropery, St. Hildas Business Centre, Whitby, YO22 4ET | | Map & Directions |
| Mitrefinch Ltd | 01904 693520 | | Mitrefinch House, Green Lane Trading Estate, Clifton, York, YO30 5YY | | Map & Directions |
| Pmh Ltd | 01904 645766 | | Unit 2 Enterprise Complex, Walmgate, York, YO1 9TT | | Map & Directions |
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