Winners and rankings for the 2019 Fast 50, the fastest-growing, privately held firms in western Pennsylvania, was announced at the Rivers Casino Pittsburgh on August 28.

The Fast 50 are ranked by the percentage of revenue growth between 2016 and 2018. The companies on this year’s list represent diverse industries, from health care and logistics to home building and legal services.

To quality for this award, companies were required to have at least $500,000 in revenue in 2016. But don’t assume this is a list of small companies. Four of this year’s winners had more than $1 billion in revenue, with many more topping $100 million.

To see where all the companies ranked and who is No. 1, please click here.