Wikipedia
ALLDATA LLC is an online source for automotive OEM (Original Equipment Manufacturer) information. ALLDATA provides vehicle manufacturers' diagnostic and repair information.
ALLDATA was founded in 1986 to meet market demand for OE repair information. As computer technology took hold, ALLDATA began compiling the largest single source of OEM (Original Equipment Manufacturer) information available and converted it into a digital format. ALLDATA is the known for online OEM information, used by over 300,000 professional technicians worldwide.
ALLDATA expanded its product line to include collision information, business tools and support services for the global automotive industry.
In 1996, ALLDATA was purchased by AutoZone. AutoZone is the nation’s leading retailer of automotive parts and accessories with more than 4,600 stores in the US, Puerto Rico, and Mexico.