24. Sirius Computer Solutions
2017 Rank: 26
Top Executive: Joe Mertens, President & CEO
Location: San Antonio
Sirius is a national integrator of IT business solutions that span both the data center and lines of business. The company is one of IBM’s top partners and also works with Cisco, Dell EMC and Hewlett Packard Enterprise, among other vendors. In November Sirius completed its acquisition of Forsythe Technology – its seventh acquisition since 2014 – in a move that creates a $3-billion-plus channel heavyweight.