3M, Neuss (Germany)
ABB (ABB Transformators), Bad Honnef, Brilon (Germany)
Academy of the Germany Federal Financial Authorities (Germany)
ADB Asian Development Bank, Jakarta (Indonesia), Manila (The Philippines)
AMI Management Institute, Berneck (Switzerland), Bangkok (Thailand)
Anglo American (global branches)
Avaroa Cable, Avarua, Rarotonga (Cook Islands)
Bayer, Leverkusen (Germany)
Biodata Systems, Frankenberg (Germany)
Blohm + Voss Shipyards, Hamburg (Germany)
BSCC Belau Submarine Cable Corporation (Palau)
BT British Telecom (VIAG Interkom), Eschborn (Germany)
BMW (several European branches)
Cape Peninsula University of Technology (CPUT), Cape Town (South Africa)
Caterpillar (MaK Motors), Kiel (Germany)
CeramTec, Marktredwitz, Lauf (Germany)
Danish Management Group (Denmark)
DER Deutsches Reisebuero (DERDATA), Frankfurt (Germany)
Dieffenbacher Maschinenfabrik, Eppingen (Germany)
DZ BANK (DG BANK), Frankfurt (Germany), national and international projects
Edscha, Remscheid (Germany)
Educational Institutes of the German Federal Fincanical Authorities (Germany)
Egger, Brilon (Germany), St. Johann (Austria)
EnBW (EVS Energieversorgung Schwaben), Stuttgart, Biberach, Halblech, (Germany)
European Commission (EC), Brussels (Belgium)
European Telecommunications Standards Institute (ETSI) (France)
Ferchau Engineering, Leinfelden-Echterdingen (Germany)
FES Friedrich-Ebert-Stiftung, Bonn (Germany)
GCCI Industries, Abu Kammash (Libya)
German Federal Ministry of Economics and Technology (BMWi), Berlin (Germany)
German Federal Ministry for Economic Cooperation and Development (BMZ), Bonn (Germany)
GIZ/GTZ German Federal Enterprise for International Cooperation (global branches)
Government Cook Islands
Government Republic of India
Government Republic of Nauru
Government Republic of North Macedonia
Government Republic of Palau
Government Republic of South Africa
Hewlett Packard Enterprise Romania (Compaq Computer Romania), Bukarest (Romania)
Hilti Entwicklungs-Gesellschaft, Kaufering (Germany)
IMI Precision Engineering (Norgren), Alpen (Germany)
Jafra, Cham (Switzerland)
Kernkraftwerke Gundremmingen, Gundremmingen (Germany)
Knorr Bremse (Hasse & Wrede), Berlin (Germany)
KSG / GfS Simulators, Essen (Germany)
Lenze Maschinenfabik, Extertal, Hameln (Germany)
MDTVision (an IBM Company), (Matra Datavision),
Munich (Germany)
Mercedes-Benz, Duesseldorf (Germany)
Ministry of Agriculture (MoA), Amman (Jordan)
Ministry of Industry and Trade (MIT), Amman (Jordan)
Ministry of ICT (MoICT), Amman (Jordan)
Ministry of Water and Irrigation (MWI), Amman (Jordan)
O2 (VIAG Interkom), Munich (Germany)
Orange Jordan (Jordan Telecom), Amman (Jordan)
Orange Romania (MobilRom Romania), Bukarest (Romania)
Philips, Krefeld (Germany)
Premium Aerotec (EADS / dasa), Augsburg (Germany)
Presidential Office of the Republic of Yemen, Sana’a (Yemen)
Pro Consulting & Training, Radevormwald (Germany)
RWE Group Germany (Harald Meyer VDI Ingenieurgesellschaft, Kelkheim and Edelhoff, Iselohn)
Schuetz Werke, Selters (Germany)
SGL Carbon (KCH Keramchemie), Siershahn (Germany)
Siemens, Bochholt, Frankfurt, Munich (Germany) and Europe
Southern African-German Chamber of Commerce and Industry,
Johannesburg (South Africa)
State Ministry of National Development Planning (Bappenas), Jakarta (Indonesia)
Telecom Niue Company Ltd (Niue)
Telecommunications Regulatory Commission (TRC) (Jordan)
Telecommunications Standards Development Society (TSDSI) (India)
ThyssenKrupp, Dortmund, Bochum (Germany)
T-Systems (Business Customer Unit Deutsche Telekom) (global branches)
University of Bielefeld (Germany)
University of Paderborn (Germany)
University of Wismar (Germany)
Volkswagen (global branches)
Westfalen Weser Netz (PESAG), Paderborn (Germany)
World Bank, Washington D.C. (USA)