(Gartner, Inc., Stamford, CT, www.gartner.com) The largest information technology consulting firm that specializes in research and analysis. Founded in 1979 by Gideon Gartner, it has grown through acquisitions, including Dataquest in 1995 and Techrepublic in 2000. Gartner offers more than 2000 management reports on every topic in the IT world and hosts the annual GartnerGroup Symposium/ITxpo in the U.S. and abroad. Gartner, Inc. was formerly known as GartnerGroup. See Dataquest.