- ABASAmmochostou 6, Chalandri 15234, Attica
- ANDREADISMisiodakos 11, 115 24, Athens, Attica
- AVOLUTIONKanari 3B, 15562, Holargos, Attica
- FOCUS ON HEALTHIoannou Gennadiou 16, 11521, Athens, Attica
- OCTAPUSThessaloniki – Offices: Leontos Sofou 46, 570 01, Thermi, Macedonia | Athens – Warehouse / Offices: Leoforos Kifissias 39, 151 23, Maroussi, Attica
- PODIMATAS GROUPEl.Venizelou 12, 19009, Pikermi, Attica
- PODIUMValaoritou 9, 10671, Athens, Attica
- PROELECTROTheodora 10A, Metamorfosi, 14452, Attica
- TRANSLATION EMBASSY72 Skra Str. Kallithea, Attica | 46 Palaion Patron Germanou Str, Thessaloniki, Macedonia
- TSAKIRIS CONGRESS SUPPORTKatrami 18, 115 24, N.Filothei, Attika
- TSERTSIDISIonos Dragoumi 3, 115 28, Attica
- ELIT LANGUAGE SERVICESCharilaou Trikoupi 24, 10679, Athens, Attica
- TRANSLATION EMBASSY72 Skra Str. Kallithea, Attica | 46 Palaion Patron Germanou Str, Thessaloniki, Macedonia
- HOUTOS CATERINGSmirnis & Watermills (Turn of Filiro) Pefka, 57010, Thessaloniki, Macedonia
- INTERCATERINGThesi Strogyli, Markopoulo Mesogaias P.C. 19003, Attica
- TO STAXY CATERINGDimitras 55, 192 00, Elefsina, Attica
- DYAS EVANKerasias 37, 15238, Chalandri, Attica
- IRIS PROMOTIONGkionas 1 & Mpizaniou, 12243, Egaleo, Attica
- J & E UMBRELLASXanthou 21, 154 51, New Psychico, Attica
- PLOOS DESIGNAntheon 12, 12137, Peristeri, Attica
- EVENTORAAthens, Attica
- MEDICALCONGRESS.GRVor. Ipeirou 43, 15125, Maroussi, Attica
- SYNEDRIO.GRVor. Ipeirou 43, 15125, Maroussi, Attica
- KACAYIASStadiou 3, 3d floor, 105 62, Athens, Attica