| Osiris The Hereford Security Group Ltd | 01432 355629 | | 29 Cotterell, Hereford, HR4 0HH |  Map & Directions |
| Hereford Security Services Ltd | 01432 370768 | | Unit 5, 50 Catherine Street, Hereford, HR1 2DU | | Map & Directions |
| Integrated Defence Ltd | 01989 740689 | | The Hyde, Woolhope, Hereford, HR1 4RD | | Map & Directions |
| Octaga Ltd | 01432 890592 | | The Willows, Tarrington, Hereford, HR1 4HX | | Map & Directions |
| Delta Investigations | 0870 241 6545 | | 43 Portfield Street, Hereford, HR1 2SE | | Map & Directions |
| Night Watch Security Services | 01432 278111 | | Berrows House, Bath Street, Hereford, HR1 2HE | | Map & Directions |
| Technicare Systems Ltd | 0845 120 8052 | | 5 Bridge Street, Leominster, HR6 8DU | | Map & Directions |
| S R S International Group | 0870 240 5146 | | Thorpe House, Broad St, Hereford, HR4 9AS | | Map & Directions |
| The Complete Security & Fire Protection Ltd | 01885 489025 | | The Beeches, Edwyn Ralph, Bromyard, HR7 4LY | | Map & Directions |
| Sentinel Security Systems | 01568 615500 | | Unit 7 Croft Business Park, Southern Avenue, Leominster, HR6 0QF | | Map & Directions |
| Croma Defence Systems | 01432 373030 | | 215 Holme Lacy Road , Hereford, HR2 6BQ | | Map & Directions |
| Security Alarm Services | 01989 563563 | | The Old Dairy, Over Ross Street, Ross On Wye, HR9 7AS | | Map & Directions |
| Active Security Ltd | 01885 488994 | | 7 Little Hereford Street, Bromyard, HR7 4DE | | Map & Directions |
| Organization Matters Ltd | 01432 371111 | | Mortimer House, Holmer Road, Hereford, HR4 9TA | | Map & Directions |
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