References

• Alloga, Burgdorf, CH
• American School, Shanghai, PRC
• ASTON VILLA Football Club, Birmingham, UK
• BASF, Ludwigshafen, D
• Bertelsmann, Gütersloh, D
• BMW, München, D
• Bundeswehr, D
• Chin Cheuni, Taiwan
• Deutsche Bahn, Berlin, D
• Dresdner Bank, Frankfurt, D
• GENERAL MOTORS, BRA
• Gordonstoun School, Moray, UK
• Halyard Luton, Luton, UK
• Hamburg-Mannheimer, Hamburg, D
• Harper College, Illinois, USA
• HEW, Hamburg, D
• HM Prison, UK
• IKEA, Peking, PRC
• jin jiang school, Shanghai, PRC
• Johnson & Wales College, Providence, Rhode Island, USA
• MAN, München, D
• Marlin County School, Marlin, Texas, USA
• Mettler Toledo, Giessen, D
• New World Ship Management Co., Washington, USA
• Northern Trust Bank, USA
• Österreichische Bundeswehr, A
• Qing Hua Uni, Peking, PRC
• Restauration collective Compass Group, Plaisir, F
• Rodean School, Brighton, UK
• RWE, Düsseldorf, D
• Siemens, D
• Studentenwerk, Münster, D
• Sual, Moskau, RUS
• Tucson Electric, Tucson, Arizona, USA
• TUI, Hannover, D
• Univ. of New Hampshire, New Hampshire, USA
• University of North Dakota, North Dakota, USA
• Villanova University, Villanova, Pennsylvania, USA
• Walnut Springs Middle School, Ohio, USA
• Westerville North High School, Ohio, USA
• Westerville South High School, Ohio, USA