Equipment Manufacturers/Dealers

    Ag-Chem
    Ag Depot
    Caterpillar (Agricultural Division)
    CASE IH
    John Deere
    Mid-Tech (Midwest Technologies)
    Micro-Trak
    New Holland
    Raven Industries
    RDS
    Veris

Geographic Information Systems Software (GIS & Yield Mapping)

     AgLeader SMS
    AgriTrak
    AGRIS
    Delta Data Systems
    ESRI
    FarmWorks
    Farmers Software
    MapInfo
    Red Hen System
    Site-Specific Technology (SST)
    StarPal

Global Positioning Systems (GPS)

     Ashtech
    NMEA
    NorthStar Technologies
    OmniStar
    Racal Landstar
    SatLoc
    StarLink
    Trimble
    USCG (US Coast Guard)

Remote Sensing

     Ag 20/20
    EarthShots (USGS)
     EarthWatch
     Laboratory of Applications of Remote Sensing (LARS)
     NASA (CRSP)
     Positive Systems
     Remote Sensing Technologies Center (MS)
     SatShots
     SPOT
     USDA-ARS

Universities

     University of California at Davis
    University of Georgia  
    Kansas State University
    University of Kentucky
    University of Missouri
    University of Minnesota  
    Oklahoma State University
    University of Wisconsin
    Hawkeye Community College

Magazines

     Farm Journal AgWeb.com
    Geospatial Solutions
    PrecisionAg.com
    @griculture Oline
    Successful Farming

Miscellaneous

      Rooster.com
     Farms.com
     FarmPhoto.com
     AgriSurf
     Intellicast (weather)
     Eastwoods Agricultural Directory
     Potash and Phosphate Institute

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