Metropolitan Regional Information Systems
Provides MLS property listing data and tools to real estate professionals across the Mid-Atlantic region.
About Metropolitan Regional Information Systems
MRIS, Metropolitan Regional Information Systems, Inc., owned by 25 Shareholder REALTOR® Associations, is the premiere online real estate information service for nearly 60,000 real estate professionals located throughout Maryland, Washington DC, Northern Virginia, and parts of West Virginia and Pennsylvania. Headquartered in Rockville, Maryland and founded in 1993, MRIS operates the largest multiple listing service (MLS) in the nation.