64. Quality Technology Services (QTS)
2016 Rank: N/R
Top Executive: Chad Williams, Chairman & CEO
Location: Overland Park, Kan.
Data center services provider QTS offers co-location, cloud and managed services and connectivity through its worldwide network of 13 owned and eight leased or partner data centers. The Overland Park, Kansas-based provider in 2017 achieved Advanced Consulting Partner status with cloud giant AWS.