Kelley Blue Book is an Irvine, California-based vehicle valuation and automotive research company that is recognized by both consumers and the automotive industry. The company is owned by the Cox Automotive subsidiary of Cox Enterprises. Wikipedia

Customer service: 1 (800) 258-3266

Parent organization: AutoTrader Group

Headquarters: Irvine, CA

Founder: Leslie Kelley

Founded: 1926

President: Steve Lind

Subsidiaries: Jingzhengu Holdings Limited, CDMdata, Inc., CDM Dealer Services, Inc.