Metropolitan Regional Information Systems - Bio, News, Photos - Washington Times
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Topic - Metropolitan Regional Information Systems

::For a general discussion of Realtors' MLS systems and their function, see Multiple Listing ServiceThe Metropolitan Regional Information Systems, Inc. (known as MRIS) is the largest Multiple Listing Service in the United States. As of mid-July 2009, it serves 51,171 real estate professionals in Baltimore-Washington Metropolitan Area including Maryland, Washington DC, Northern Virginia, and parts of West Virginia and Pennsylvania. - Source: Wikipedia

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