The Gold Book was established in 1968 and is the oldest continuously published authority on collector and classic car values. Gold Book's database of collector car auction results and verified private transactions is the largest in the world. Its editors and auction reporters attend or monitor over 100 collector car auctions and private-owner sales venues in the U.S. and Western Europe each year. The Gold Book staff are members of numerous collector car clubs that monitor trends in the car-collecting hobby.

The Gold Book is owned by Manheim Auctions, a subsidiary of Cox Enterprises. Manheim Auctions has set the standard in the wholesale automobile auction industry for 56 years. With more than 34,000 employees at its 126 auctions and related businesses, Manheim is a global remarketing organization with 80+ auctions in North America and additional operations in Puerto Rico, France, the United Kingdom, Australia and New Zealand.

NADAguides.com is the most comprehensive vehicle information website on the Internet today. One of the most popular features of NADA guides is the pricing information they publish which includes a section for collectible and classic cars. NADAguides.com are not new to the vehicle information world. Their traditional, well-known brand - N.A.D.A. Appraisal Guides - are best known for their bright yellow and blue vehicle appraisal guidebooks that are subscribed to by hundreds of thousands of people across the U.S. each year.

In addition to being known as a leading provider of consumer vehicle data and services, they are also known as the largest provider of vehicle information to a majority of the nation's leading banks, credit unions, fleet and lease organizations, dealers, insurance companies, government agencies and financial institutions. The "NADA" in NADAguides.com stands for the National Automobile Dealers Association.