Fitbit

Founded in 2007, Fitbit is dedicated to helping people live healthier, more active lives through wearable sensor products. Fitbit has an extensive presence in the US and abroad. Fitbit's wearables are designed to help users measure basic information about their daily activity. The company has also worked with fashion brands such as Tory Burch to produce fashionable lines of accessories for their products.

Location: San Francisco, California