Grecian Marbles (MARMOR) Ltd
Konstas, Anastasios and Stefanos, Office of Studies and Industrial Installations, donated by Stefanos An. Konstas
Peteinari Bros, Engineering Office, donation by Danae Kalogeraki-Peteinari
Hellenic Industry of Naphtha Residues SA (ELVYN), donation by Ioli Antonopoulou
Hellenic Chemical Products and Fertilizers Company, donation by Hellenic Research Institute
Contractor of Public Works SA
MAVIEK SA, donation by Despina Zissopoulou-Kouskourani-Ditsiou
Adrianopoulos Bros. GP Kronos Factory, donation by Natassa Adrianopoulou
Golden Destiny SA, donation by Michail Kokkinis
G. and Z.L. Kambani and Hydroussa Shipping Co. S.A. ( archives of 2 shipping companies of the Kambani family), donation by Leonidas G. Kampanis
Evropaïki Pisti Co. S.A., insurance company
Konstas, Anastasios and Stefanos, Office of Studies and Industrial Installations, donated by Stefanos An. Konstas
Peteinari Bros, Engineering Office, donation by Danae Kalogeraki-Peteinari
Hellenic Industry of Naphtha Residues SA (ELVYN), donation by Ioli Antonopoulou
Hellenic Chemical Products and Fertilizers Company, donation by Hellenic Research Institute
Contractor of Public Works SA
MAVIEK SA, donation by Despina Zissopoulou-Kouskourani-Ditsiou
Adrianopoulos Bros. GP Kronos Factory, donation by Natassa Adrianopoulou
Golden Destiny SA, donation by Michail Kokkinis
G. and Z.L. Kambani and Hydroussa Shipping Co. S.A. ( archives of 2 shipping companies of the Kambani family), donation by Leonidas G. Kampanis
Evropaïki Pisti Co. S.A., insurance company