New York is often called "the city that never sleeps," and its flourishing small-business scene doesn't seem to sleep, either. In fact, more and more enterprises are popping up every day, many of which are bringing some unusual concepts to life.

From key-making kiosks to a boozy bakery and a hand-blended parfumerie, we rounded up 28 of the coolest small businesses in the five boroughs.

For this list we focused on businesses that opened within the past five years or so.

Know a cool business we missed? Let us know in the comments.