• Analytic Element Method (Wikipedia)

• EPA Groundwater Models (legacy)
• US Geological Survey

• Minnesota Pollution Control Agency (legacy)

• Delft Technical University, the Netherlands
• Kansas State University
• University at Buffalo
• University of Minnesota – Twin Cities
• University of Waterloo, Canada
• Loyola University Chicago
• Sultan Qaboos University, Oman

• Practical Groundwater
• Haitjema Consulting LLC
• Strack Consulting
• McLane Environmental
• INTERA Geoscience & Engineering Solutions
• Artesia Water, the Netherlands
• Deltares, the Netherlands
• Aquaveo