The On Demand division of Veolia Transportation acquired Altadena, Calif.-based Unified Dispatch LLC (UDI) for an undisclosed amount.
UDI is the largest call center technology provider in the taxi and paratransit ground transportation sector and Veolia On Demand includes SuperShuttle, ExecuCar and Golden Touch of New York and Compass Transportation in San Francisco, as well as taxi companies across the US.










