African Tax Administration Forum | RSA
Alliance for Financial Inclusion | Thailand
Allianz | Germany
AOK | Germany
AOL |  Germany
Audi | Germany
Atlas Elektronik | Germany
AVON GMBH | Germany
Bank Austria | Austria
Bayer AG | Germany
Berenberg Bank | Germany
Berliner Stadtreinigung | Germany
Boehringer | Germany
Bremer Landesbank | Germany
Capgemini | France
Central Bank | Nigeria
Coca Cola | Switzerland
Commerzbank AG | Germany
Credit Suisse | Switzerland
Daimler | Germany
Daimler Financial Services | Germany
Dena Deutsche Energie Agentur | Germany
Deutsche Bahn | Germany
Deutsche Bank | Germany
Deutscher Gewerkschaftsbund | Germany
Deutsche Telekom | Germany
Deutsche Post | Germany
DZ – Bank | Germany
EnbW | Germany
Eurovia | Germany
Fiat Auto S.p.A. | Italy
Fraport AG | Germany
Frey Wille | Austria
Generali Versicherung | Austria
GDF SUEZDGDI | Switzerland
Gesellschaft für Internationale
Zusammenarbeit GIZ | Germany
Hewlett Packard | Germany
Indian Society for Applied Behavioural
Sciences ISABS | India
Infineon | Germany
Intel | Germany
IVW | Switzerland
Kasseler Sparkasse |  Germany
Kuraray Europe GmbH | Germany
Landesministerium Rheinland-Pfalz | Germany
Landwirtschaftliche Rentenbank | Germany
Luwa | Switzerland
MAN Nutzfahrzeuge | Germany
Magna Steyer | Austria
Making Finance Work for Africa | Tunisia
Messer Griesheim | Germany
Migros | Switzerland
Ministry for Energy | RSA
Ministry for Forestry and Tourism | RDC
National Human Resources Network | India
Oberbank | Austria
ÖBB | Austria
Patrizia Immobilien | Germany
Porsche | Austria
Raiffeisen Landesbank Tirol | Österreich
Roto Frank | Germany
Sanofi-Aventis | Germany
Schering AG | Germany
Sennheiser electronic | Germany
SGS | Germany
Siemens | Germany
Slovak Telekom | Slovakia
Stadt Wien | Austria
swb AG | Germany
swisscom | Switzerland
Swissgrid | Switzerland
UBS AG | Switzerland
VA Tech | Austria
Vereinigte Postversicherung | Germany
Vivantes Netzwerk für Gesundheit GmbH | Germany
Voest Alpine | Austria
Voltas Ltd | India
Webasto | Germany
ZF Friedrichshafen | Germany
Züricher Globalversicherung | Switzerland