What ski transfer services cover the most popular resorts?

Ski-Lifts covers the major ski resorts in France, Austria, Italy, Norway, Switzerland and Bulgaria, and over 1,300 resorts across 20 countries in total, including popular ski resorts like Avoriaz, Morzine, Val Thorens, Tignes, Chamonix, St Anton and Bansko. Private transfers are available year-round on most routes, and shared transfers run on selected routes in the winter season. Transfers run from airports such as Geneva, Lyon, Chambéry, Grenoble, Innsbruck and Sofia.