Present in many towns in France, Harmonie Medical Services has beds, hoists, wheelchairs and all medical supplies for a variety of needs. You can contact their customer service for more information or to ask for a rental. You can also order online and collect in the shop that is most practical for you.
Sunny days has adapted vans with ramp for day tours with a driver. They can organise transfer services but also guided tours with local guides. They can pick you up if you are in Nice, Monaco or Cannes.