inc 260x213 Its that time: this years Inc. 5000 is finally out Anyone involved with entrepreneurship in any way, shape, or form, is familiar with the Inc. 500 and 5000 lists. They are something akin to the Billboard 200, but for fast growing companies.

Complied every year by Inc. magazine, the List is a gigantic compendium of information on the hottest private companies to be found in the United States. The companies are ranked by 3 year growth, and the higher the better. Just how much did the number one company on this year’s list grow in the last three years? Try 20,369%.

The question is always this: after you grow that much in three years, how do you keep it up? Will gravity and the law of large numbers slow down these rocket ships? Only time will tell. Here are the top five fastest growing private US companies:

You can check out the full list here. See if any of your friends made it!