| Locking Systems Ltd | 01422 330312 | | Windsor Business Park, Hanson Lane, Halifax, HX1 4SD |  Map & Directions |
| Ace Security | 01422 342444 | | Security House, 248 Pellon Lane , Halifax, HX1 4PZ | | Map & Directions |
| Judge Security Ltd | 01422 250866 | | 14-16 Portland Place, Halifax, HX1 2QN | | Map & Directions |
| Gard Security & Electrical | 01422 341451 | | 27 Wainhouse Road, Halifax, HX1 3SE | | Map & Directions |
| Hi Tech Security | 01422 330071 | | Unit 17, Lee Bridge Industrial Estate, Halifax, HX3 5HE | | Map & Directions |
| P S B Systems Ltd | 01422 323791 | | Marsh Fields House, 35 Marsh Lane, Halifax, HX3 9UF | | Map & Directions |
| Guardian Security Services Ltd | 01422 823965 | | Suite 1, Harley House, Mill Fold, Ripponden, Sowerby Bridge, HX6 4DJ | | Map & Directions |
| P E S | 01422 882383 | | Unit 11, Moderna Business Park, Moderna Way, Mytholmroyd, Hebden Bridge, HX7 5QQ | | Map & Directions |
| Vision Technology | 01422 384400 | | Unit 8f, Club Lane, Calderdale Business Park, Halifax, HX2 8DB | | Map & Directions |
| P H Security Systems | 01422 352944 | | Eastfield Mills, Belmont Street, Halifax, HX3 6AT | | Map & Directions |
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