- DAB Consult LTD.
- Address:Postfach 60, Graz, Austria
- EDL
- Address:Wolsteingasse 35, Vienna, Austria, Austria
- Transferd GmbH
- Address:Austria
- Austro Energy Systems
- Address:Braunerstrabe 10/5, Wien, Austria, Austria
- Energia Tech S.r.o.
- Address:Novoveska 43, Devinska Nova Ves, Other, Austria
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