Ah, soda. Soft drinks. Fizzy pop. Carbonated sugary sweetness that we love, but dentists hate. And investors love them too, as this is an industry worth tens of billions. By far the biggest players are the colas – Pepsi and Coca – but they don't entirely dominate, and this Spark lists out the biggest manufacturers in the US. Remember though, this is just our list - make sure you crack open a can and do your own research, don't take this for advice. Oh, and brush your teeth after.