Cheaper Than Cars - Offers car hire in 4,000 locations worldwide, and operates out of 40 countries. - http://www.cheaperthancars.com/
Staxis Corporate Cars - Corporate car service for the Thames Valley region, from all London airports and conference centres to the business and residential community. Includes a company profile, description of service area, and online booking. - http://www.staxis.net/
Kelly Van Hire - Profile, services and location map. - http://www.kellyvanhire.co.uk/
Eagle Executive Cars - Chauffeur driven cars and business transport. - http://www.eagle-exec.co.uk/