ABB PETROLEUM TECH. - Egypt
ABB POWER GENERATION - Greece
AERZEN - The Netherlands
AKZO NOBEL - The Netherlands
BUSCH - The Netherlands
CHEVRON OVERSEAS PETR. - U.S.A.
CORUS - The Netherlands
DOW CHEMICAL - The Netherlands
D.S.M. - The Netherlands
DYECOO - The Netherlands
ELTACON ENGINEERING - The Netherlands
EXXON CHEMICAL - The Netherlands
FRAMES PROCESS SYSTEMS - The Netherlands
GARDNER DENVER NASH - The Netherlands
GENERAL ELEC. PLASTICS - The Netherlands
GIST BROCADES - The Netherlands
HEINEKEN - The Netherlands
IHC GUSTO ENGINEERING - The Netherlands
INGERSOLL RAND - Italy
KEMA - The Netherlands
LYONDELL CHEMICAL - The Netherlands
MAREL TOWNSEND FURTHER PROCESSING - The Netherlands
MORTON INTERNATIONAL - The Netherlands
N.A.M. - The Netherlands
NEREFCO - The Netherlands
PERUSAHAAN LISTRIK NEGARA (PLN) - Indonesia
REPSOL - Spain
SAIPEM – ENI Group - Italy
SHELL FREDERICIA - Denmark
SHELL NEDERLAND - The Netherlands
SHELL SAPREF - South Africa
SHELL Venezuela/MARAVEN - Venezuela
SIEMENS - The Netherlands
STERLING FLUID SYSTEMS - The Netherlands
TITAN WOOD - England / The Netherlands
WÄRTSILÄ - Indonesia / The Netherlands