123.net
365 Data Centers
8×8
A+ Conferencing
ACC Business
Accel Networks
Acceris
Access One
Access Point
Access2GO
Acculinq
ACD.net

Adobe Connect
Adtran
Advantix Solutions Group
AFN
AireSpring
AIS
Ajubeo
Alcatel-Lucent
Allied
allstream
Altice Business
Amazon-AWS

American Telesis
Appia
Apptix
Aptela
APX Net
Arvig
Aryaka
AT&T Business
AT&T Wireless
Atlantic Broadband Business
Avail
Avaya

Bandtel
BBCOM
BCN
Bell Canada
Bigleaf Networks

Black Box Networks
Bluetone communications
Broad Sky
Bright House Cable
Broadsmart

Broadview
Broadvoice
Broadvox
Bullseye Telecom
Business Only Broadband

c spire
C7 Data Center
Cablevision
Call One
Call Tower
canpang
CATO Networks
CBTS
CCI Communications
Cellular Optimization
CentraCom
CenturyLink
China Mobile International
China Telecom Americas
China Unicom

ChinaTel
Cincinnati Bell
CIS
ClearDATA
Cloud Checkr
CLOUDGENIX
cloudtrek
CMC Networks
CMS360
Coast to Coast
COEO
Cogent
Colo 5
Colt
Comcast Business

Comlink
CommandLink
Comstructure
Conferencing
Consolidated Communications
Contingent
COPT
Core
Coredial
Corelink
CoreSite
Cosentry
Cox Cable
Cradlepoint
Crown Castle Fiber
CyrusOne
Cyxtera

DATABANK
Datapipe
DATASITE
Defero 3

Dell
Dialpad
Digis

Digital Realty
DukeNet
Dynalink

EasyLink
EasyNet
Ecessa
EffortLess
eFolder

EnergyWize
Entelegent
Enventis Telecom
Equinix
eSquared

Evolve IP
evoque
Excel/VarTec
expereo

Fathom Voice
Fax2Mail
FiberLight
Fibernetics
FiberTech
First Communications
FirstLight

Five9
Flexential
Fluxcom
FNTS
Fonality
foreThought

Fortrust
FPL Fibernet
FreeConferenceCall.com
Frontier
Fusion
Fuze (fka Thinking Phones Network)

Gafachi
Glacial Energy
Global Crossing
Global Onsite
Globalcom/Yipes/Sidera

globalgig
Goldmail
Google
GP Voice

Granite
green cloud technologies
Grid4
GTT

Highroads
Hosting.com
HP

Hudson Fiber
Hutchison Global Communications
hypercore networks

iAreaNet
IDC Global
IFX Networks
iland
Immedion
Impact
impact telecom
INAP

inContact
iNet Communications
Infolink
InfoRelay
Innsite
Integra
IntelePeer
Intellifiber

Intercall
Intermedia
Internap
interxion
intY
ISI
iTEMIZe

JAB Wireless
Jive
KDDI

Kerauno
KORE

Latisys
Layered Tech
LibertyPower
lifesize

Lightpath
Lighttower
Lightyear
Line Systems

liquidweb
LiveOps
Logix Fiber Networks – Alpheus
Lumen
Lynx Network Group

M5
Magellan Hill
magna 5
Masergy
Matrix
MaxEmail
McAfee

McGraw
MediaCom
Megapath
Megaport
MessagePro
Metro Optical
Metro Wireless

MetTel
Microsoft
Mile High Online
Mitel
Mobileware
Momentum Telecom
Mosaic

Natural Wireless
Navisite
Navisite – Spectrum Enterprise
NBS Fusion
NEC
NeoNova
Net2EZ
net2phone
NetFortris

Netrality Data Centers
Netrio
NetWolves
Network Innovations
NEW EDGE
New Horizons
Nextera Communications
Nextiva
NexVortex

nFrame/Expedient/DataPoint
nGenx
NICE inContact
Nirvanix
NiTel
NovalTel
nScaled
NTT

One Ring Networks
OneSteam
onestream networks

Ongoing Operations
open systems
OPEX Communications

Optimum Business
Optimum LightPath

PacNet
Panterra Networks
PCCW Global
Peak 10
PeakColo

PGi
PhoenixNAP
Pilot
Pinpoint
PLDT

PNG
Premiere Global Service
Primus
PromptAlert

QOS Networks
QTS
Quest
Rackspace

Raging Wire
RagingWire Data Centers
RapidScale
RCN Business Services

Reliable IT
Retarus
Retarys Global Messaging
RingCentral
Rocus Networks

Sada Systems
SAFEView
Samsung
Savvis
ServerCentral
Sidera
Sierra Wireless
SimpleSignal
Simplicity
SingleHop
SingTel
SipIQ

SkOUT
SkyRiver
Smoothstone
Softlayer
SoundConnect
Southern Light
SPECTROTEL
Spectrum
Splice
Sprint
Sprint Wireless
Squash Compression

StartMeeting
Steadfast
Stratus Networks
Suddenlink
Sunesys
Sungard
switch
SwitchNap
Synoptek

talkdesk
Tata (VSNL)
TATA Communications
TCN
TDS
Telebright
Telecom Recovery
Telefonica
Telehouse

TelMex
TelNet
Telrite
Telstra
Telx
TeraNova
Thrive
Tierpoint
Tinet

T-Mobile
Tonaquint
TouchTone Communications
Towerstream
TPx
TPX Communications
TSCI

UnitedLayer
Uniti Fiber
Uniworld

US Signal
UT BroadBand
Utility Telephone

Vazata – Data Center
Velocity
Veracity
Verizon
Verizon Wireless

Viasat
Viawest
Vigilant Technology
Virtela
vMOX

VOCE
Volocity
Vonage Business
Voyant

Warner Telecom
WBS Connect
WCS

WebDialogs
West Corporation
Windstream

Wisconsin Independent Network
WOW!

X5 Solutions
YIPTEL
Yorktel

YourSix
ZaiLab
Zayo

Zone
Zultys