Saatbauverband Rheinland-Pfalz e.V.

Saatgut Austria (Vereinigung der Pflanzenzüchter und Saatgutkaufleute Österreichs)

Saatgutverband Mecklenburg-Vorpommern e.V.

Saskatchewan Seed Growers Association

SeCan Association

Seed & Grain New Zealand

Seed Association of Hebei

Seed Association of Kyrgyzstan

Seed Association of Nigeria (SEEDAN)

Seed Association of Pakistan (SAP)

Seed Association of Tajikistan

Seed Association of Thailand

Seed Association of the Americas (SAA) / Asociación de Semillas de las Américas

Seed Association of Ukraine

Seed Companies Association of Pakistan (SCAP)

Seed Corn Growers of Ontario

Seed Division of the Federation of Israeli Chambers of Commerce

Seed Entrepreneurs Association of Nigeria (SEEDAN)

Seed Entrepreneurs' Association of Nepal (SEAN)

Seed Growing & Marketing Association of Pakistan

Seed Producers Association of Ghana (SEEDPAG)

Seed Producers Society of Libya

Seed Trade Association of Arizona

Seed Trade Association of Ghana (STAG)

Seed Trade Association of Kenya

Seed Trade Association of Malawi (STAM)

Seed Trade Association of Sierra Leone (STASL)

Seed@Bel

Seedsmen Association of Andhra Pradesh

Seedsmen's Association of Sri Lanka

Seedsmen's Society of Bangladesh

SEMAE

SEMAG, Saat- und Pflanzgut AG

Semenarstvo A.D.

Serbian Seed Trade Association

Sichuan Provincial Seed Association

Slovak Association of Seed Trade and Plant Breeders (SASTAB)

Société coopérative des sélectionneurs (SCS)

Société des Sélectionneurs Jurassiens (SSJ)

Societa Ticinese Selezione Sementi

Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO) *

Society of American Florists (SAF)

Society of Organic Seed Professionals (SOSP)

South African National Seed Organisation (SANSOR)

South Carolina Foundation Seed Association

South Carolina Seedsmen's Association

South Dakota Crop Improvement Association

South Dakota Seed Trade Association

South Sudan Seed Hub

Southern African Development Community (SADC)

Southern African Plant Breeders' Association (SAPBA)

Southern Seed Association (SSA)

Southern Seed Certification Association (SSCA)

Soy Canada

Sudan Seed Trade Association (SSTA)

Swedish Seed Growers' Association / Sveriges Froodlareforbund

Swedish Seed Trade Association (Svuf)

Swiss-Seed

SwissSem

Syndicat des Sélectionneurs de Guin (SGD)