iCarpool is a software-as-a-service company that provides transportation demand management (TDM) programs to state departments of transportation, regional transit agencies, metropolitan planning organizations, cities, transportation management associations, and employers to reduce traffic congestion and encourage alternatives to single-occupancy commuting such as carpooling and public transit. Their comprehensive TDM platform can scale to serve organizations across wide geographies and includes features such as an integrated system for finding carpools and vanpools, commute rewards programs, and support for scenarios like schoolpooling. iCarpool has existing clients in several US states and countries worldwide and aims to acquire 40% of the growing US market for regional TDM programs by the end of 2010.