Geographic Information Services
General | AK | AL | AR | AZ | CA | CO | CT | DC | DE | FL | GA | HI | IA | ID | IL | IN | KS | KY | LA | MA | MD | ME | MI | MN | MO | MS | MT | NC | ND | NE | NH | NJ | NM | NV | NY | OH | OK | OR | PA | PR | RI | SC | SD | TN | TX | UT | VA | VT | WA | WI | WV | WY
- American Association of Geographers (AAG)
- Geoscience Information Society (GSIS)
- Geospatial Information & Technology Association (GITA)
- GIS-T Symposium
- National Center for Geographic Information and Analysis (NCGIA)
- Open GIS Consortium (OGC)
- Transportation Research Board - Committee on Spatial Data and Information Science, ABJ60 (formerly A5015)
- California Spatial Information Library (CaSIL)
- California State University, Northridge (CSUN) - Geography Department
- Delaware National Geospatial Data Clearinghouse
- University of Delaware - Research Data Management Services
- Champaign County Spatial Data Catalog (CCSDC)
- Illinois Natural Resources Geospatial Data Clearinghouse
- University of Illinois at Chicago - Chicago Area Geographic Information Study (CAGIS)
- Montana Local Government GIS Coalition (MLGGC)
- Montana State University - Geographic Information & Analysis Center (GIAC)
- New Mexico Geographic Information Council, Inc. (NMGIC)
- New Mexico Resource Geographic Information System (RGIS)
- New York State Department of Transportation (NYSDOT) Mapping and GIS (MAGIS)
- University of Buffalo - National Center for Geographic Information and Analysis (NCGIA)