(only as apparent from official registers)

AEG Niederspannungstechnik GmbH & Co. KG, Germany;
Berndorf Luzern AG, Switzerland;
CMT Rickenbach SA, Switzerland;
COR Therapeutics, Inc., USA;
Deloitte & Touche GmbH, Germany;
Deutsches Zentrum für Luft- und Raumfahrt e. V., Germany;
France Telecom, France;
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V., Germany;
General Electric Company, USA;
Guilford Pharmaceutical Inc., USA;
Heuft Systemtechnik GmbH, Germany;
IGC Advanced Superconductors, Inc., USA;
Kneissl Dachstein Sportartikel AG, Austria;
Kyocera Corporation, Japan;
Loctite Sweden AB, Sweden;
Meco Equipment Engineers B.V., Netherlands;
Müller AG, Verpackungen, Switzerland;
Nova Measuring Instruments Ltd, Israel;
OCE-Technologies, Netherlands;
Okamoto Industries Inc., Japan;
Otto Hofstetter AG, Switzerland;
Reichle & De-Massari AG, Switzerland;
Rieter Automotive (International) AG, Switzerland;
Rowa Engineering AG, Switzerland;
Sanyo Electronic Co., Ltd., Japan;
Sarna Kunststoff Holding AG, Switzerland;
Sibir AG, Switzerland;
SMC Corporation, Japan;
Teijn Twaron GmbH, Germany;
The Coca-Cola Company, USA;
The Post Office, Great Britain;
Vischer & Bolli, Switzerland;
Volpi AG, Switzerland;
Westinghouse Atom AB, Sweden;

Aufeinandergelegte Steine