Datatrac - Provides automatic, real-time shipment tracking from time of order to time of delivery. Includes cast studies.

Datex Software - Develops and supports information systems for trucking companies and transportation intermediaries.

Datow Software - Towing software including dispatching, lot control, storage and lien letters, and billing with links to California Department of Motor Vehicles.

DeFNiC Software - An Abilene, Texas based firm offering dispatch software for scheduling and mapping fleets of service vehicles. With software guide, FAQ, and news.

Degama Systems Inc. - Provides application software for trucking companies, third-party logistics companies, for both the truckload and LTL market. Recent modules include integrated inbound and outbound logistic planning and execution.

Descartes Systems Group - A transportation and supply chain management company which provides solutions for the logistics industry.

Dispatcher Central - Online Dispatching software for the towing industry. Keep track of calls, drivers, and impounds. All that is needed is an Internet connection. No software to install.   

DPS: Software Systems, Inc. - Provides software for the transportation industry including solutions for operations, dispatch, freight billing, wireless, e-business, document management, handheld technology, back office accounting, and document delivery.

Dr Dispatch - Trucking management and brokerage software.

DriveRight - Vehicle monitors for fleet management and vehicle management software for trip reports and driver behaviour.

DrSoft Pty Ltd - Log Checker is a simple program to audit and plan driving hours (standard, TFMS and WA).