Key Players (this may not be a complete list and extra companies can be added upon request):
AT&T
Century Link (Cyxtera)
Colt Technology Services Group Ltd.
CyrusOne
Digital Realty
Dupont Fabros
Equinix Inc.
Internap Corporation
Interxion
Level 3 Communications
NTT Communications
Rackspace US Inc.
Telehouse (KDDI)
Verizon Communications
Zayo Group
LLC