Dive Centres in Corsica?

I am hoping to dive in Corsica in August, for a few days at the Lavezzi Is and another few days in the Scandola area. Can anyone advise me of good dive centres? I don't seem to be having much luck. I was recommended the Centre de Plongée Atoll ( Bonifacio), but my email bounced back, their website URL does not work, and so I am wondering if this centre no longer operates. Other dive centres in Bonifacio are Barakouda and Cabochard Plongée, but I don't know anything about them. For Scandola I emailed Incantu dive centre 2 weeks ago and I am still waiting for a reply.