Johnson Matthey Davy Technologies Ltd.United Kingdom
Welker, Inc.Texas, United States
Stream-Flo Industries Ltd.Alberta, Canada
Stellarton Technologies, Inc.Alberta, Canada
Cenovus Energy, Inc.Alberta, Canada
ChemEOR, Inc.California, United States
Seismos, Inc.Texas, United States
Rive Technology, Inc.New Jersey, United States
Bridger Photonics, Inc.Montana, United States
Wintershall AG
Overdick GmbH & Co KGHamburg, Germany
British Gas Trading Ltd