Equipment Manufactures/Dealers

Þ    Ag-Chem
Þ   AGCO Corporation
Þ    Catepillar (Agricultural Division)
Þ    CASE IH
Þ    John Deere
Þ    Mid-Tech (Midwest Technologies)
Þ    Micro-Trak
Þ    New Holland
Þ    Raven Industries
Þ    RDS
Þ    Veris

Geographic Information Systems Software (GIS & Yield Mapping)

Þ   AgLeader SMS
Þ   AGRIS
Þ   Delta Data Systems
Þ   ESRI
Þ   FarmWorks
Þ   FarmersSoftware    
Þ   MapInfo    
Þ   MapShots, Inc.
Þ   Red Hen System
Þ   Site-Specific Technology (SST)
Þ   StarPal

Global Positioning Systems (GPS)

Þ    Ashtech
Þ    NorthStar Technologies
Þ    OmniStar
Þ    Racal Landstar
Þ   Ratheon - WAAS Broadcast Schedule
Þ    SatLoc
Þ    StarLink
Þ    Trimble
Þ    USCG (US Coast Guard)

Remote Sensing

Þ    Ag 20/20    
Þ  Calmar Mapping Inc.
Þ    EarthShots (USGS) 
Þ     Digital Globe
Þ  Geovantage
Þ     Laboratory for Applications of Remote Sensing (LARS)
Þ     NASA (CRSP)
Þ     Positive Systems
Þ     Remote Sensing Technologies Center (MS)
Þ     SatShots  
Þ   SpaceImaging
Þ     SPOT
Þ     USDA-ARS

Research & Education

Þ    University of California at Davis - CSTARS
Þ    University of Georgia  
Þ    University of Illinois - ILARS
Þ    Kansas State University
Þ  Kirkwood Community College
Þ    University of Kentucky
Þ    University of Missouri
Þ    University of Minnesota  
Þ   Oklahoma State University    
Þ    University of Wisconsin
Þ    Hawkeye Community College
Þ    The University of Sydney
Þ  The Ohio State University/Purdue University - AG answers 

Research & Extension Agencies

INTA Manfredi Precision Ag Experiment Station (In Spanish)

Magazines

Þ    Farm Journal – AgWeb.com
Þ    Geospatial Solutions
Þ    PrecisionAg.com
Þ    @griculture Online
Þ    Successful Farming

Miscellaneous

Þ     Farms.com
Þ     FarmPhoto.com
Þ     AgriSurf
Þ  Ag-Online
Þ     Intellicast (weather)
Þ     Eastwood’s Agricultural Directory    
Þ   Phosphate & Potash Institute