Yearly since 2013, we are ranking the top fastest growing storage companies in sales, either start-ups, private or public firms, from 2015 to 2016 (calendar year or fiscal year), based on published figures only. This ranking will be updated when we will get more information from other companies. They are all privately held – but five – and about never reveal the exact figure of their sales. But a bunch of them have published press releases demonstrating their growth in percentage of sales, bookings or in number of customers or units shipped. We have classified below these firms depending on their published growth.