ESRI
Spatial Systems is a dealer and developer for the Environmental Systems Research Institute (ESRI) line of software products. ESRI is the de facto standard for GIS technology.
SpatialMap 911
Out of a recognition of the need for tools to facilitate the development and maintenance of addresses, the need for maintaining street centerline themes that include address attribution, and the need for production of street maps for use by emergency response personnel, SSA developed a toolkit which we call SpatialMap 911.
MdProperty View
MdProperty View is a comprehensive visual dataset of property maps and parcel information for the 23 counties of Maryland and the City of Baltimore. All of the data is accessible through ESRI ArcGIS Desktop 9.x or ArcView 3.x. MdProperty View data is collected from the Maryland State Department of Assessments and Taxation (SDAT) compiled by the Maryland Department of Planning (MDP).

