Speedemissions, Inc. provides vehicle emissions testing and safety inspection services in the United States. The company performs accelerated simulated model and on-board diagnostic emissions tests for the automobile fleets of the federal, state, and local governments; and various new and used car dealers in Atlanta, Georgia. As of March 24, 2017, it operated 21 vehicle emissions testing and safety inspection stations under the trade names of Speedemissions and Auto Emissions Express in Atlanta, Georgia, and St. Louis in Missouri. The company also operates 3 mobile testing units in Atlanta, Georgia. In addition, it sells automotive parts and supplies, such as windshield wipers, taillight bulbs, and gas caps; and offers oil change and other services. Further, the company provides Carbonga, an iPhone application that diagnoses an automobile's computer system using the on board diagnostic port on vehicles; and receives vehicle safety recalls and technical service bulletins. Speedemissions, Inc. was founded in 2001 and is based in Tyrone, Georgia.