Association of American Seed Control Officials (AASCO)

Association of Official Seed Certifying Agencies (AOSCA)

America Seed Trade Association  (ASTA)

Canadian Food Inspection Agency (CFIA)

Commercial Seed Analysts Association of Canada (CSAAC)

National Association of State Departments of Agriculture (NASDA)

Front Range Seed Analysts

International Seed Testing Association (ISTA)