Australia

 Rural Scenes
 ruralphotos.com

Austria

 Nova Photo Graphik

Brazil

 TerraStock

Canada

 Christina Handley Stock
 Photobar Agricultural Stock

Denmark

 Agrofoto

Germany

 agrarfoto.com

New Zealand

 Country, Farm and Garden

United Kingdom

 Agripicture Images
 Agripix
 Country Focus Photography
 Farm Images - Hutchinson Photography
 Holt Studios
 Jennifer MacKenzie

USA

 Agri-Graphics
 AGStockUSA
 Farm Stock Photo
 Flora Graphics
 Grant Heilman Photography
 Horticultural Photography
 Joel Day
 John Wigmore Photography