Gaithersburg is a city in Montgomery County, Maryland. The National Institute of Standards and Technology is headquartered in the city. Major companies like IBM, ACE*COMM, Lockheed Martin and Sodexo have operations in the city. Sun Trust Bank, State Farm Mutual Auto Insurance and Chevy Chase Bank Fsb are some of the major financial service providers in the city. The average home value is $460,500 and rent is $1,366. Average income is $73,848.