- ALCON Consultant Engineers LTD
- CONSEED IKE
- OXFAM Greece
- UNHCR
- Municipality of Dodoni
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- ΚGS Development S.A.
- Geoanalysis S.A.
- Akmi Consultant Engineers
- Hellenic statistical authority
- Schediasmos S.A.
- Mihaniki Meletitiki Company
- POLYLINE S.A.
- Centre for Research & Technology Hellas (CERTH)
- Institute Vocational Training of Ioannina
- KWADRAD+
- 1LIFE IKE
- AXON envirogroup LTD
- Ergon Michaniki Company
- ELLAKTOR S.A.