A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

• W.D. Seeds Pty. Ltd. - May, Bill

Chile

• Winter Seed Ltda. - Budinich, Viviana
• Winter Seed Ltda. - Galvez, Carlos

Denmark

• Westrup A/S - Dahl-Nielsen, Mogens

Israel

• Wisdom Seeds - Windler, Jimmy

New Zealand

• Webling & Stewart Seeds - De Jong, Pete
• Wrightson Research - Green, Warwick

Poland

• Wielkopolska Sugar Beet Breeding and Seed Production Company Ltd. - Stachowska, Izabela
• Wielkopolska Sugar Beet Breeding and Seed  Production Company Ltd. - Sloma, Bernard

Slovakia

• WOOD-SS Radosina spol.s.r.o. - Rusko, Stanislav

United Kingdom

• Walker Warth Associates - Walker, David

Uruguay

• Wrightson Pas - De Leon, Carlos Miguel

USA

• Waconda Seed Company - Fuller, David
• Western Hybrid Seeds, Inc. - Clarke, Trevor
• Western Productions, Inc. - Sonnen, Cory
• Whole Alternatives - Cline, Michael
• Wild West Seed Inc. - Kromer, Dennis
• Wilson Genetics LLC - Kiersch, Charlie