Schools:
International School of Well Drilling

Government Offices:
U.S. EPA Office of Water
USGS

Professional Associations:
ADSC: The International Assoc. of Foundation Drilling
Alberta Water Well Drilling Assoc
AMEC Australia
American Ground Water Trust
American Water Works Association
American Society of Dowsers
Australia Drilling Industry Assoc
California Groundwater Association
Empire State W W Drillers Association
Florida Ground Water Association
Hydraulic Institute
Illinois Groundwater Assoc of Professionals
Intl Ground Source Heat Pump Assoc
National Drilling Association
NGWA
Texas Ground Water Association