Ceridian Corporation. The Group's principal activities are to provide human resource solutions to employers and transaction processing and related services. The Group operates through two segment Human Resource Solutions and Comdata. Human resource solutions provide software designed to help employers more effectively manage their work forces and information. These products and services include transaction-oriented administrative services and software products, payroll processing, tax filing, enrollment. The Group also provides management support software, human resource administration, regulatory compliance, and work-life effectiveness and employee assistance programs. Comdata provides assistance in obtaining regulatory permits and other compliance services, driver relations services, local-fueling services and discounted telecommunications services. Human resource services accounted for 74% of 2002 revenues and Comdata, 26%.