Miscellaneous stainless steel and steel architectural applications were manufactured and installed by Ieronimakis Inox SA:
- 1700lm of handrails & balustrades at the surrounding areas, the Podium of the central building and the Esplanade of the complex
- 125m. long rainwater drainage collection channel at the rooftop of the National Library
- 3000m2 façade, windows and doors made with framed sheets type "Métal Déployé"
- Steel balustrades, handrails and balcony fronts at the new National Opera Theater of Greece