57. Perficient

2016 Rank: 61

Top Executive: Jeff Davis, President & CEO

Location: St. Louis

www.perficient.com

Perficient offers IT consulting services to large enterprise customers. The firm has been on an acquisition roll over the past two years. At the beginning of 2017, Perficient purchased RAS & Associates, a 40-person management consultancy for $9 million to bolster its investment in areas such as systems integration, data reporting and analytics.