Site equipment, site safety : Dumez Ile-de-France, Entrepose

Scaffolding, Bruno et Nicole Martin Sarl

Worksite ventilation : Lefort-Francheteau

Masonry, plasterwork : Degaine

Restoration of the marbles : Socra and DBPM

Woodwork, timberwork : Les Ateliers Saint-Jacques

Restoration of paintings, sculpture and gilding : Les Restaurateurs associés – C. Pasquali, V. Sorano-Stedmann, A. Roche, M-G De Monte et L. Mariotti

Restoration of the bronzes : Socra and Antoine Amarger

Mirrors : Vincent Guerre

Painting : SN Martial Lacour

Electricity : SDEL Artec