There are a lot of ways to build fast-growth companies. Just consider this year's Inc. 5000 list. The annual ranking of the fastest-growing private companies in America includes everything from canned wine producers and freight movers to kayak makers and truck-bumper manufacturers.

The six companies below, though, take the cake when it comes to innovative business models. Whether it's reinventing hospital garb or hosting mind-blowing vacations, these startups all have one thing in common: They've tapped into something their customers really  wanted. 

Here are the most innovative business models of this year's Inc. 5000, in no particular order.

Please select this link to read the complete article from Inc.