Aberg Sven G.
Adamache Ion
Adams Stephen R.
Adel Gregory T.
Adkins Stephen John
Aeromix Process Systems (pty) Ltd.
Ahlstrom Aquaflow Oy
Ahveninen Raimo Ilmari
Airola Raimo
Akademie Der Wissenschaften Der Ddr
Aktay Ali I.
Alchem Inc.
Alcolac Inc.
Allen Ronald P.
Allied Colloids Limited
Alonso Elena A.
Amelunxen Roger L.
Amelunxen-Wales Technologies Inc.
Andress Carlos
Antonetti Joseph M.