| Alexco Environmental Group |
Colorado, United States |
| AMEC Geomatrix, Inc. |
California, United States |
| American Municipal Power, Inc. |
Ohio, United States |
| Aqua America Inc. |
Pennsylvania, United States |
| Beinhower Bros. Drilling Co. |
Ohio, United States |
| Brown and Caldwell |
Washington, United States |
| BSI Consulting |
Indiana, United States |
| CertainTeed Corporation |
Pennsylvania, United States |
| Claude Laval Corporation |
California, United States |
| ConocoPhillips |
Oklahoma, United States |
| CSIRO |
, Australia |
| Delaware River Basin Commission |
New Jersey, United States |
| Department of Ecology |
Washington, United States |
| Desert Research Institute |
Nevada, United States |
| EKI Environment & Water, Inc |
California, United States |
| Erler & Kalinowski, Inc. |
California, United States |
| ERM - Environmental Resources Management |
California, United States |
| Fielding Graduate University |
California, United States |
| Flexible Liner Underground Tech |
New Mexico, United States |
| Florida Department of Environmental Protection |
Florida, United States |
| Freeport-McMoRan Copper & Gold |
Arizona, United States |
| Geosyntec Consultants |
Florida, United States |
| Golder Associates |
Florida, United States |
| Golder Associates Inc. |
Georgia, United States |
| Gradient |
Massachusetts, United States |
| Ground Water Pump Systems |
Colorado, United States |
| GSI Water Solutions, Inc. |
Oregon, United States |
| Integral Consulting Inc. |
Colorado, United States |
| Langan Engineering & Environmental Services |
New Jersey, United States |
| Langan Engineering and Environmental Services, Inc. |
New Jersey, |
| Larry Walker Associates |
California, United States |
| Layne Christensen Company |
Kansas, United States |
| LORENTZ US Corp |
Texas, United States |
| Loughlin Water Associates, LLC |
Utah, United States |
| McCarthy Well Co |
Minnesota, United States |
| Montana Bureau of Mines and Geology |
Montana, United States |
| Montana Bureau of Mines and Geology |
Montana, United States |
| Mountain Research, LLC |
Pennsylvania, United States |
| Natural Resources Consulting Engineers, Inc. |
Colorado, United States |
| North Wind, Inc. |
Idaho, United States |
| Northeast Water Solutions,Inc. |
Rhode Island, United States |
| Olin Corporation |
Illinois, United States |
| Pawtucket Water Supply Board |
Rhode Island, United States |
| Richardson well Drilling |
Washington, United States |
| RSI EnTech, LLC |
Tennessee, United States |
| S.S. Papadopulos & Associates, Inc. |
Maryland, United States |
| Saudi Aramco |
Other, Saudi Arabia |
| Shell |
Texas, United States |
| St. Johns River Water Management District |
Florida, United States |
| State of Nevada, Divison of Environmental Protection |
Nevada, United States |
| Steffl Drilling & Pump Inc |
Minnesota, United States |
| Steve's Pumps & Well Drilling |
California, United States |
| Texas Water Development Board |
Texas, United States |
| The ELM Group, Inc. |
New Jersey, United States |
| The Nature Conservancy |
California, United States |
| The University of Texas at Austin |
Texas, United States |
| Thompson Engineering |
Alabama, United States |
| University of Alaska Anchorage |
Alaska, United States |
| Vermont Department of Health |
Vermont, United States |
| Washington Geological Survey |
Washington, United States |
| Water Well Solutions Wisconsin, LLC |
Wisconsin, United States |
| WB Talent Partners |
Maryland, United States |
| Wood |
South Carolina, United States |
| Woodard & Curran |
Maine, United States |
