■ National Society of Consulting Soil Scientists

■ New Zealand Society of Soil Science

■ Pennsylvania Association of Professional Soil Scientists

■ National Society of Consulting Soil Scientists 

■ The Nature Conservancy

■ Nebraska Soil and Water Conservation Service Chapter

■ Oklahoma State University Chapter, Soil and Water Conservation Service 

■ Ontario Soil and Crop Improvement Association 

■ Oregon Society of Soil Scientists 

■ Pennsylvania Association of Professional Soil Scientists 

■ Professional Soil Scientists Association of California 

■ Professional Soil Scientists Association of Texas

■ Society of American Foresters 

■ The Society of Soil Scientists of Southern New England 

■ Soil & Crop Science Society of Florida 

■ Soil and Water Conservation Society 

■ Soil Quality Institute 

■ Soil Science Society of America

■ Soil Science Society of Ireland 

■ Soil Science Society of Japan 

■ Soil Science Society Belgium

■ Soil Science Society of Bosnia and Herzegovina

■ The Croatian Society of Soil Science

■ Czech Society of Soil Science

■ Finnish Society of Soil Sciences

■ Association Francaise pour l' Etude du Sol

■ Deutsche Bodenkundliche Gesellschaft

■ Greek Soil Science Society

■ Hungarian Society of Soil Science

■ Soil Science Society of Ireland

■ Societa Italiana della Scienza del Suolo

■ Associazione Italiana Pedologi

■ Società Italiana della Scienza del Suolo

■ Lithuanian Society of Soil Science

■ Polish Society of Soil Science

■ Sociedade Portuguesa da Ciência do Solo

■ Romanian National Society of Soil Science

■ Russian Soil Society

■ Societas pedologica slovaca

■ Pedološkega društva Slovenije

■ Sociedad Espanola de la Ciencia del Suelo

■ Swedish Society of Soil Science

■ Turkiye Toprak Bilimi Dernegi

■ British Society of Soil Science

■ Asociación de la Asociación Argentina de la Ciencia del suelo

■ Sociedade Brasileira de Ciência do Solo

■ Canadian Society of Soil Science

■ Association Québécoise de Spécialistes en Science du Sol

■ Asociación Costarricense de la Ciencia del Suelo

■ Soil Science Society of America

■ Sociedad Venezolana de la Ciencia del Suelo

■ Indian Society of Soil Science

■ Iranian Soil Science Society

■ Japanese Society of Soil Science and Plant Nutrition

■ Korean Society of Soil Science and Fertilizer

■ Malaysian Society of Soil Science

■ Australia Society of Soil Science

■ New Zealand Society of Soil Science

■ Soil Science Society of South Africa