Abstract: A method includes receiving, by a central server computer, first item data in a first data format provided by first service providers and second item data in a second data format provided by second service providers. The method also includes converting the second item data in the second data format to the first data format. The central server computer can then receive a selection of a first service provider from a user device. The central server computer can then provide a display of first items provided by a first service provider and provide a display of second items provided by a second service provider. The method can then include receiving, by the central server computer from the user device, a selection of the displayed first items and the displayed second items. The method can then include initiating a fulfillment of the selection for first and second items.