3D Courier Services - Offering sameday, nextday and overseas deliveries. Includes UK services, overseas and home office. Rocket Express - Specialising in same day and next day delivery throughout the UK and Europe. Dragon Helicopters at Sheffield City Airport - The first helicopter charter service and pilot training operation to be based at Sheffield City Airport. Yorkshire Terrier - A post-deregulation bus company operating in Sheffield. The company was part of the Yorkshire Traction Group which is now part of Stagecoach Sheffield. Copley Couriers - Offer a same day, point to point collection and delivery service nationwide. Includes services, fleet and about. Sheffield City Airport (SZE) - General aviation and heliport service. The airport had its CAA licence withdrawn on 21 April 2008 and officially closed on 30 April 2008, as Sheffield City Council had approved plans to turn the airport into a business park. ASL Limousines - Limo hire from ASL. Limousine services for South Yorkshire including Sheffield and Rotherham. Alcom Travel - Airport transfers, minibus hire, wedding cars, corporate and executive travel services across Yorkshire and the UK.