Hunter Dewey W
Hunter Trevor K.
Hunter W. Eugene
Hurlock John R.
Huss Christina L.
Hydrocarb (Trinadad) Limited
Hydrometrics, Inc.
Hydroxyl Systems Inc.
Hynninen Pertti K.
Hyperno Proprietary Limited
I. Kruger Inc.
Iezzi Robert A.
Illes Janos
Imachi Takao
Imperial College of Science Technology & Medicine
Industrial Minerals Research & Development Pty. Ltd.
Industrial Waste Water Services, LLP
Industrie Automation Sondertechnik GmbH & Co.
Infilco Degremont
Infrastructure Alternatives