Westminster International specialises in the design, installation and maintenance of a wide range of fire detection equipment, safety and security systems as well as defence solutions and offers airport security including baggage scanner, marine and maritime security including diver detection and defence solutions including bomb jammers. Areas serviced: Oxfordshirewww.wi-ltd.comWestminster House, Blacklocks Hill, OX17 2BS

Serco is an international service company which combines commercial know-how with a deep public service ethos. We improve services by managing people, processes, technology and assets more effectively. We advise policy makers, design innovative solutions, integrate systems and - most of all - deliver to the public. Areas serviced: South Warwickshire & Banburywww.serco.co.ukPremier House/31-34 South Bar St, OX16 9AE

We are a leading supplier and installer of quality access control, CCTV and intruder alarm systems. The Company began trading in 1980 and took on its present identity in 1994. Our vehicles, with the distinct ?‘Bee?’ logo, are now a familiar site across the Midlands, operating from our offices in Northampton, Coventry, Birmingham, Banbury and we have just recently opened a new branch in Milton Keynes . Areas serviced: South Warwickshire & Banburywww.beeteealarmsltd.co.uk50 South Bar St, OX16 9AB

We have been supplying and installing MAINS-FREE and WIRE-FREE intruder Alarms for the construction industry with great success. The benefit of our wire-less technology is that the entire system is Mains free. This means that we can alarm a building site whilst there is no mains power on site Areas serviced: South Warwickshire & Banburywww.digiwise-uk.co.ukBarford Rd Bloxham, OX15 4FF