Easiest thing is to google Tour de France cycling tours 2014 and a selection of the companies operating will pop up. You can then look at them all and see which suits on price and size and what they are offering compared to what you want.I did a Sports Tours International tour a few years back which was good but there were a few too many people on the Tour for me personally. There was a good mix of nationalities though including quite a few South Africans. The downside with the companies looking after fewer people is that they are often more expensive but if you can afford it then no problem. A friend of mine had a good time at the Giro last year with On the Road Cycling Tours.