| M P Security Installations | 01869 320396 | | 112 Lucerne Avenue, Bicester, OX26 3ZH |  Map & Directions |
| Yarnton Protection Services Ltd | 01865 377472 | | Unit 2 Begbroke Business & Science Park, Sandy Lane, Yarnton, Kidlington, OX5 1PF | | Map & Directions |
| Contact Security | 01865 321100 | | The Old Workshops, Brumcombe Lane, Bayworth, Abingdon, OX13 6QU | | Map & Directions |
| National Security | 01869 324621 | | 58 Grebe Road, Bicester, OX26 6EL | | Map & Directions |
| Mark Mulvany | 01865 327243 | | 4 The Avenue, Kennington, Oxford, OX1 5PN | | Map & Directions |
| Touchstone Electronics Ltd | 01865 331880 | | Oddington Grange, Weston-On-The-Green, Bicester, OX25 3TG | | Map & Directions |
| Cotswold Security Systems Ltd | 01993 878721 | | Elizabeth House, Witney Lane, Leafield, Witney, OX29 9PG | | Map & Directions |
| R M S Integrated Solutions | 01295 257770 | | The Knowle, Blacklocks Hill, Banbury, OX17 2BS | | Map & Directions |
| Bee Tee Alarms Ltd | 01295 265809 | | 50 South Bar Street , Banbury, OX16 9AB | | Map & Directions |
| Standahl Security | 01869 323391 | | 7 Hornbeam Road, Bicester, OX26 3YH | | Map & Directions |
| Isis Security Consultants Ltd | 01993 774538 | | 2 Schofield Avenue, Witney, OX28 1JN | | Map & Directions |
| Tcom Security Ltd | 01491 651177 | | 44 Honey Lane, Cholsey, Wallingford, OX10 9NL | | Map & Directions |
| Mayfield Security Services | 01608 643330 | | Marston House, Cromwell Park, Banbury Road, Chipping Norton, OX7 5SR | | Map & Directions |
| Chris Lewis Security Services Ltd | 01865 782444 | | Unit 3, Isis Business Centre, Pony Road , Cowley, Oxford, OX4 2RD | | Map & Directions |
| Kallglobe Ltd | 0870 600 7773 | | Morland House, Station Road, Chinnor, OX39 4QA | | Map & Directions |
| Allied Intelligence Corporation Ltd | 01235 530750 | | PO Box 86, Abingdon, OX14 5XZ | | Map & Directions |
| Petards Datax Ltd | 01235 816474 | | The Old Barn, Long Wittenham, Abingdon, OX14 4PS | | Map & Directions |
| Cherwell Security Ltd | 01865 318999 | | 287-291 Banbury Road, Oxford, OX2 7JQ | | Map & Directions |
| Traffic Safety Systems Ltd | 0870 161 7100 | | Telford Road, Bicester, OX26 4LA | | Map & Directions |
| Euro Shred Ltd | 01865 762400 | | 70 Green Road, Headington, Oxford, OX3 8LA | | Map & Directions |
| Gardiner Security Ltd | 01865 401120 | | 30a Pony Road, Cowley, Oxford, OX4 2RD | | Map & Directions |
| Civic Alarms Ltd | 01993 883448 | | 79 Main Road, Long Hanborough, Witney, OX29 8JX | | Map & Directions |
| Optimum Security Services | 0870 350 2172 | | Harwell Innovation Centre, Curie Avenue, Harwell Intnl Business Centre, Didcot, OX11 0QG | | Map & Directions |
| Grants International Information & Security Services | 01869 355700 | | Unit 1 Minton Place, Victoria Road, Bicester, OX26 6QB | | Map & Directions |
| Broadsword Security Services | 01608 641670 | | Banbury Road, 10b Cromwell Park, Chipping Norton, OX7 5SR | | Map & Directions |
| Centronic Raditec Ltd | 01235 518400 | | Unit N3, Hawksworth, Didcot Enterprise Centre, Didcot, OX11 7PH | | Map & Directions |
| Witney Alarms | 01865 371779 | | 10 The Paddocks, Yarnton, Kidlington, OX5 1TF | | Map & Directions |
| Wychwood Security Services | 01865 515400 | | T B A C Business Centre, Unit 24 Avenue Four, Witney, OX28 4BN | | Map & Directions |
| Oxguard Security | 01865 250800 | | 61 St. Clements Street, Oxford, OX4 1AH | | Map & Directions |
| R & R Frontline Security | 01865 304086 | | Clarendon House, 52 Cornmarket, Oxford, OX1 3HJ | | Map & Directions |
| Cherwell Security Ltd | 01295 272500 | | 28 Lower Cherwell Street, Banbury, OX16 5AY | | Map & Directions |
| Salto Security Systems | 01865 778899 | | 15 Oxford Road, Cowley, Oxford, OX4 2EN | | Map & Directions |
| Securipol | 01491 829484 | | Tolson House, Nosworthy Way, Mongewell, Wallingford, OX10 8DT | | Map & Directions |
| Safeguard Ltd | 01869 247750 | | Letchworth House, Chesney Wold, Bleak Hall, Bicester, OX26 6AG | | Map & Directions |
| Security | 01865 510230 | | Red Barn Farm Cottage, Woodstock Road, Wolvercote, Oxford, OX2 8JR | | Map & Directions |
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