Bus Rental Company Allen is the Leading Charter Bus Company Bus Rental Company Allen is the go-to company for booking group transportation for any occasion! For years, we have been the leading provider of charter buses, party buses, and limousines, serving every single group with the highest level of service. Our company gives you access to one of the state’s largest fleets of vehicles. This means you have an incredible selection of buses and limos to choose from for any event, no matter the size of your group. We make booking your ride quick and easy with instant 30-second online quotes and a professional reservation team that’s available 365 days a year to help you plan the perfect trip.