3M – Germany

ABB – Germany

Academy of the German Federal Financial Authorities – Germany

AMI Management Institute – Switzerland and Thailand

Anglo American (Mining) – Global Locations

Asian Development Bank (ADB) – The Philippines, various counties in Asia and the Pacific region

Avaroa Cable – Cook Islands

Bayer – Germany

Belau Submarine Cable Corporation (BSCC) – Palau

Biodata Systems – Germany

Blohm + Voss Shipyards – Germany

BMW – European Locations

British Telecom Group (BT Ignite, VIAG Interkom) – Global Locations

Cape Peninsula University of Technology (CPUT) – South Africa

Caterpillar (MaK Motors) – Germany

CeramTec – Germany

DER Deutsches Reisebuero (DERDATA) – Germany

Deutsche Telekom Group (T-Mobile, T-Systems) – Global Locations

Dieffenbacher Maschinenfabrik – Germany

DZ Bank (DG Bank) – Germany, Hong Kong, Luxembourg, Singapore, Switzerland, USA

Edscha – Germany

Egger – Germany and Austria

EnBW (EVS Energieversorgung Schwaben) – Germany

European Commission (EC) – Belgium

EU Chamber of Commerce and Industry in Southern Africa – South Africa

European Telecommunications Standards Institute (ETSI) -France

Ferchau Engineering – Germany

Friedrich-Ebert-Stiftung (FES) – Germany

GCCI Industries – Libya

German Federal Enterprise for International Cooperation (GIZ/GTZ) – Global Locations

German Federal Ministry for Economic Cooperation and Development (BMZ) – Germany

German Federal Ministry of Economics and Technology (BMWi) – Germany

Government of Cook Islands

Government of the Republic of India

Government of the Republic of Indonesia
(State Ministry of National Development Planning (Bappenas))

Government of the Republic of Nauru

Government of Niue
(Telecom Niue)

Government Republic of North Macedonia

Government of the Republic of Palau

Government of the Republic of South Africa

Government of the Republic of The Philippines

Government of the Republic of Yemen (Presidential Office)

Hashemite Kingdom of Jordan
(Ministry of ICT (MoICT), Ministry of Industry and Trade (MIT), Ministry of Agriculture (MoA), Ministry of Water and Irrigation (MWI))

Hewlett Packard (Compaq Computer) – Romania

Hilti Entwicklungs-Gesellschaft – Germany

IMI Precision Engineering (Norgren) – Germany

Jafra – Switzerland

Kernkraftwerke Gundremmingen – Germany

Knorr Bremse (Hasse & Wrede) – Germany

KSG / GfS Simulators – Germany

Lenze Maschinenfabik – Germany

MDTVision (an IBM Company) (Matra Datavision) – Germany

Mercedes-Benz – Germany

O2 (VIAG Interkom) – Germany

Office of the Communications Authority (OFCA), Hong Kong

Orange Group (Jordan Telecom) – Jordan

Orange Group (MobilRom) – Romania

Philips – Germany

Premium Aerotec (EADS / dasa) – Germany

Pro Consulting & Training – Germany

RWE Group (Harald Meyer VDI Ingenieurgesellschaft and Edelhoff) – Germany

Schuetz Werke – Germany

SGL Carbon (KCH Keramchemie) – Germany

Siemens – Global Locations

Southern African-German Chamber of Commerce and Industry (AHK) – South Africa

Telecommunications Regulatory Commission (TRC) – Jordan

Telecommunications Standards Development Society of India (TSDSI) – India

Telefónica Group – Germany, Spain

ThyssenKrupp – Germany

Training Centres of the Federal Finance Administration / Federal Finance Academy (BFA) – Germany

University of Bielefeld – Germany

University of Paderborn – Germany

University of Wismar – Germany

Volkswagen Group – Global Locations

Westfalen Weser Netz (PESAG) – Germany

World Bank – various countries in Africa, Asia and the Pacific region