GeoForschungsZentrum (GFZ) Potsdam

Sharif University of Technology , Teheran, Iran

TÜV,
TÜV Rheinland Group

BAM,
Bundesanstalt für Materialforschung und -Prüfung

TSE - TÜRK STANDARDLARI ENSTITÜSÜ
approval for Turkey 

view certificate: Zertifikat

GFZ

German Foreign Ministry

Federal Ministry
for Economic Cooperation and Development

BGR-
Federal Institute for Geosciences and Natural
Resources in Hannover

Czech Embassy,  Istanbul/Turkey

KFW
inances investments and accompanying services
in developing countries

Friedrich-Schiller-Universität, Jena

Institut für Geowissenschaften, Jena

P.M.
Magazine-World of the knowiedge
W.I.N.Award 2006

German Agro Action
Deutsche Welthungerhilfe

Malteser International

SOS-Kinderdorf International

PIN-People in Need
(Czech organisation)
Village warning in kashmir
SOS Children's Villages

DUNGS,
well-known
international valve manufacturer

Protec-Planungsgesellschaft mbH

rtg electronics GmbH

Sauter-Cumulus GmbH
Innovtive
know-how for building management

SiRcom
gesellschaft für
systemintegration und
kommunikationstechnik mbh

Thyssen Krupp
Elevator

Uni-Geräte E.Mangelmann
Elektronische Fabrik GmbH
International valve Manufraktur

Hilton Hotel, Istanbul/Turkey
Reference

German School, El Salvador