The GIS Team. The GIS Team maintains geographic data and supports Montgomery Planning and Montgomery Parks with mapping and spatial analysis. The GIS team is part of the Information Technology & Innovation (ITI) Division of the Maryland-National Capital Park and Planning Commission – Montgomery County. Montgomery GIS Viewer. GIS and Mapping Services. GIS and Mapping Services administers the county Geographic Information System (GIS) and iGIS map portal. Our mission is to coordinate, manage and facilitate GIS at departmental, office and enterprise levels. We create and .