W. Atlee Burpee & Co.

WA Consulting

Wageningen Academic Publishers

Wageningen Plant Research

Wageningen University & Research

Washington State University

Washington University

WebMD

Weed Science Society of America (WSSA)

West Africa Centre for Crop Improvement (WACCI)

West Africa Seed Alliance (WASA)

West Asia and North Africa Seed Network (WANA Seed Network)

Western Australia, Department of Primary Industries

Western Grains Research Foundation (WGRF)

Western Seed Company Limited

Wilbur-Ellis Company

WinField United

Wissenschaftlerkreis Grüne Gentechnik e.V.

World Farmers Organization

World Food Prize

World Seed Partnership

World Vegetable Center

Wyffels Hybrids