translate English to French: "Each individual has provided us with the required direction and information, from direct contact with the maintenance managers that will be operating the equipment to the President who was involved throughout the contract negotiations."
Chacune des personnes mêlées au dossier nous a fourni les instructions et l’information requises – des directeurs de la maintenance qui feront fonctionner l’équipement, jusqu’au président qui a participé aux négociations.