5LINX Enterprises, Inc.

ADEX Corporation
Alaska Communications Systems Group, Inc. [ALSK]
Alternative Networks plc
Amper, S.A.
Andrade Gutierrez S.A.
Arbinet Corporation
AT&T Alascom
AT&T Inc. [T]
Atlantic Tele-Network, Inc. [ATNI]

Bandwidth.com, Inc.
BCE Inc. [BCE]
Billing Services Group, LLC
Birch Communications, Inc.
BT Global Services Ltd.
BT Media and Broadcast Services
BT Redcare
BT Wholesale

Cableuropa, S.A.U.
Carso Global Telecom, S.A.B. de C.V.
Centris Information Services
CenturyLink, Inc. [CTL]
Chunghwa Telecom Co., Ltd. [CHT]
Cincinnati Bell Inc. [CBB]
Comtel Telcom Assets LP
Consolidated Communications Holdings, Inc. [CNSL]

DSLi Corporation

eOn Communications Corporation [EONC]
Epro Telecom Holdings Limited
Equinix, Inc. [EQIX]
Eurocom Communications Ltd.

FairPoint Communications, Inc. [FRP]
Frontier Communications Corporation [FTR]

Georgia Technology Authority
Globalive Communications Corp.
GO p.l.c.

Hickory Tech Corporation [HTCO]

IA Global, Inc. [IAGI.PK]
ILD Corp.
Inclarity plc
Integra Telecom, Inc.
Intrado Inc.
Invomo Ltd.

kgb USA, Inc.

Look Communications Inc.

magicJack VocalTec Ltd. [CALL]
Manitoba Telecom Services Inc.
Matrix Telecom, Inc.
MTS Allstream Inc.

Network Enhanced Telecom, LLP
NobelTel, Ltd.

Oak Telecom Ltd.
Office of Communications
OneNeck IT Services Corporation

Pacnet

Saigon Post and Telecommunications Services Corporation
Schooley Mitchell Telecom Consultants
Shenandoah Telecommunications Company [SHEN]
Shin Corporation Public Company Limited
Sonae.com SGPS SA
SpiriTel plc
SureWest Communications [SURW]

T-Systems Singapore Pte ltd
Telmex Internacional, S.A.B. de C.V.
Third Party Verification, Inc.
TigerTel Communications Inc.
tw telecom inc. [TWTC]

U.S. TelePacific Corp.

Verizon Communications Inc. [VZ]
Verizon Florida LLC
VietNam Post and Telecommunications Group
VoluBill SA

Warwick Valley Telephone Company [WWVY]
Windstream Corporation [WIN]

YTL e-Solutions Berhad