

ABB LUMMUS GLOBAL
AGIP
AKERKVAERNER
AMMONIA CASALE
ANSALDO GROUP
ASEA BROWN BOVERI
BALZERS AG
BASELL
BASF AG
BAYER AG
BECHTEL
BP AMOCO
CALZONI
CEA
CIBA GEIGY
DE NORA
DEA
DOW
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EGYPTIAN PETROCH-CO.
ENEA
ERG/ISAB
EUROTECNICA
EXXON MOBIL CHEMICAL
FLUOR
FOSTER WHEELER GROUP
HALDOR TOPSOE
HANWA CHEM.
HOECHST AG.
INOVYL
KNPC
KUEHNI
LEYBOLD
LONZA
LURGI
METHANOL CASALE
PETROBEL
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PIC KUWAIT
POLIMERI EUROPA
PROCEDYNE CORP.
SABIC
SAMSUNG GEN.CHEM.
SARAS RAFFINAZIONE
SINOPEC
SNAMPROGETTI
SNECMA
SOLVAY
TECHNIP
TECNIMONT
UHDE
WARTSILA
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PHYSICS RESEARCH INSTITUTES
BESSY
BROOKHAVEN NAT.LAB.
CERN
DESY
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I.N.F.N.
JOINT EUROPEAN TORUS
KFK KARLSRUHE
LANL
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MAX PLANK INSTITUT
PSI
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