COMPANIES IN THIS INDUSTRY

ABIZA – ADELPHIA BUSINESS SOLUTIONS INC
ABVT – ABOVENET INC
ACTT – ACT TELECONFERENCING INC
AERL – AERIAL COMMUNICATIONS INC
AGCX – ASIA GLOBAL CROSSING LTD
AGHI – AGORA HOLDINGS, INC.
AGRPA – ASSOCIATED GROUP INC
AIT1 – AMERITECH CORP
ALGXQ – ALLEGIANCE TELECOM INC
ALSK – Alaska Communications Systems Group, Inc.
ALTV – ALTEVA, INC.
AMBTQ – AMBIENT CORP
AMOV – America Movil, S.A.B. de C.V.
AMT – American Tower Corporation (REIT)
ANET1 – AUTHORIZE.NET HOLDINGS, INC.
APCS – ALAMOSA HOLDINGS INC
ARCC1 – ALLIED RISER COMMUNICATIONS CORP
AT1 – ALLTEL CORP
ATNI – ATN International, Inc.
ATTL – AT&T LATIN AMERICA CORP
ATUS – Altice USA, Inc.
AWE – AT&T WIRELESS SERVICES INC
AWIN – ARCH WIRELESS INC
BCE – BCE, Inc.
BCGI – BOSTON COMMUNICATIONS GROUP INC
BCOM – B Communications Ltd.
BLS – BELLSOUTH CORP
BT – BT Group plc
BWNG – BROADWING CORP
CABO – Cable One, Inc.
CALL – magicJack VocalTec Ltd
CAPS1 – CAPSULE COMMUNICATIONS INC
CBB – Cincinnati Bell Inc
CBEY – CBEYOND, INC.
CCGC – CCC GLOBALCOM CORP
CCOI – Cogent Communications Holdings, Inc.
CCOP – COMPETITIVE COMPANIES INC
CEL – Cellcom Israel, Ltd.
CELSD – COMMNET CELLULAR INC
CHA – China Telecom Corp Ltd
CHL – China Mobile (Hong Kong) Ltd.
CHT – Chunghwa Telecom Co., Ltd.
CHU – China Unicom (Hong Kong) Ltd
CLWR – CLEARWIRE CORP
CNCX – CONCENTRIC NETWORK CORP
CNSL – Consolidated Communications Holdings, Inc.
COMM1 – ATX COMMUNICATIONS INC
CONEQ – CARRIER1 INTERNATIONAL S A
CONV – CONVERGENT COMMUNICATIONS INC
CPRK – CAPROCK COMMUNICATIONS CORP
CQ – COMSAT CORP
CSAOY – TELMEX CORP S.A. (Foreign)
CTCI – CT COMMUNICATIONS INC
CTCO – COMMONWEALTH TELEPHONE ENTERPRISES INC
CTL – CenturyLink, Inc.
CWCIQ – CROSSWAVE COMMUNICATIONS INC (Foreign)
CWON – CHOICE ONE COMMUNICATIONS INC
CYCL – CENTENNIAL COMMUNICATIONS CORP
CYCO – CYPRESS COMMUNICATIONS INC
DAVL – DAVEL COMMUNICATIONS INC
DCEL – DOBSON COMMUNICATIONS CORP
DDDC – DELTATHREE INC
DECC – D&E COMMUNICATIONS INC
DEST1 – DESTIA COMMUNICATIONS INC
DGI – DIGITALGLOBE, INC.
DIGX – DIGEX INC
DRWI – DRAGONWAVE INC (Foreign)
DSLN – DSL NET INC
DTV1 – DIRECTV GROUP INC
DTV2 – DIRECTV
DVW – COVAD COMMUNICATIONS GROUP INC
EFNT – EFFICIENT NETWORKS INC
EGHT – 8x8 Inc
ELIX – ELECTRIC LIGHTWAVE INC
ENET – EQUALNET COMMUNICATIONS CORP
ENVE – ENVENTIS CORP
EQ – EMBARQ CORP
ESCH – ESCHELON TELECOM INC
ESPI1 – E SPIRE COMMUNICATIONS INC
EXNT1 – IXNET INC
FCLX – FIRSTCOM CORP
FCOM1 – FOCAL COMMUNICATIONS CORP
FFI – FORTUNE INDUSTRIES, INC.
FLAS – FLASHNET COMMUNICATIONS INC
FNIX – FONIX CORP
FNT – FRONTLINE COMMUNICATIONS CORP
FRP – FAIRPOINT COMMUNICATIONS INC
FSNN – Fusion Telecommunications International, Inc.
FTGX – FIBERNET TELECOM GROUP INC
FTHL – FLAG TELECOM GROUP LTD
FTR – Frontier Communications Corporation
FTWRQ – FIBERTOWER CORP
FULO – FULLNET COMMUNICATIONS INC
GBNE – GLOBALNET INC
GEOY – GEOEYE, INC.
GLBC – GLOBAL CROSSING LTD
GLDN1 – GOLDEN TELECOM INC
GLIBA – GCI LIBERTY, INC.
GLMC – GLOBALMEDIA COM
GLOW – Glowpoint, Inc.
GNCMA – GCI Liberty, Inc.
GOGO – Gogo Inc.
GRRF – CHINA GRENTECH CORP LTD (Foreign)
GSAT – Globalstar, Inc.
GSTRF – GLOBALSTAR TELECOMMUNICATIONS LTD
GSTX – GST TELECOMMUNICATIONS INC
GTE1 – GTE CORP
GTT – GTT Communications, Inc.
GTTLB – GT GROUP TELECOM INC (Foreign)
HANAY – HANAROTELECOM INC (Foreign)
HCHC – HC2 Holdings, Inc.
HCOM – Hawaiian Telcom Holdco, Inc.
HCT1 – HECTOR COMMUNICATIONS CORP
HUGH – HUGHES COMMUNICATIONS, INC.
I – Intelsat S.A.
IAWK – IASIAWORKS INC
IBAS – IBASIS INC
ICIX – INTERMEDIA COMMUNICATIONS INC
ICNT – INCOMNET INC
ICOA – ICOA INC
IDCC – InterDigital, Inc.
IDT – IDT Corporation
IGLC – INTEK GLOBAL CORP
IGLD – Internet Gold Golden Lines Ltd.
IIXC – IXC COMMUNICATIONS INC
ILUM – ILLUMINET HOLDINGS INC
IMPTQ – IMPSAT FIBER NETWORKS INC
INPC – INPHONIC INC
INTN – INTAC INTERNATIONAL INC
INVT – INVENTERGY GLOBAL, INC.
IPAS – iPass Inc.
IPCS – IPCS, INC
IQNT – INTELIQUENT, INC.
IRDM – Iridium Communications Inc
ITCD – ITC DELTACOM INC
ITXC – ITXC CORP
IWA – IOWA TELECOMMUNICATIONS SERVICES INC
KNOL – KNOLOGY INC
KONE – Kingtone Wirelessinfo Solution Holding Ltd
KT – KT Corporation
KUTV – KU6 MEDIA CO., LTD (Foreign)
LAUN – LAUNCH MEDIA INC
LCCI – LCC INTERNATIONAL INC
LDIG – LIBERTY DIGITAL INC
LEAP – LEAP WIRELESS INTERNATIONAL INC
LMOS – LUMOS NETWORKS CORP.
LNETQ – LODGENET INTERACTIVE CORP
LTCW – LETS TALK CELLULAR & WIRELESS INC
LVLT – LEVEL 3 COMMUNICATIONS INC
MBND – MULTIBAND CORP
MBT – Mobile TeleSystems OJSC
MCIP – MCI INC
MCLD – MCLEODUSA INC
MCLDQ – MCLEODUSA INC
MCLL – METROCALL HOLDINGS INC
MDLK – MEDIALINK WORLDWIDE INC
MNPQC – MINORPLANET SYSTEMS USA INC
MPE – MPOWER HOLDING CORP
MTNT – METRO NETWORKS INC
MTRM – MIG, INC.
MTSL – MER Telemanagement Solutions Ltd.
NASC – NETWORK ACCESS SOLUTIONS CORP
NCNXQ – NUCENTRIX BROADBAND NETWORKS INC
NGI – NEON COMMUNICATIONS GROUP, INC.
NIHD – NII Holdings, Inc.
NIHDQ – NII HOLDINGS INC
NOPT – NEON COMMUNICATIONS INC
NPLS – NETWORK PLUS CORP
NPNTQ – NORTHPOINT COMMUNICATIONS GROUP INC
NPSI – NORTH PITTSBURGH SYSTEMS INC
NSK – NEW SKIES SATELLITES NV (Foreign)
NSR – NEUSTAR INC
NTIA – NETIA SA (Foreign)
NTKK – NET2000 COMMUNICATIONS INC
NTLO – NTELOS INC
NTLS – NTELOS HOLDINGS CORP.
NTOP – NET2PHONE INC
NTRO1 – NETRO CORP
NTS – NTS, INC.
NTTYY – NIPPON TELEGRAPH & TELEPHONE CORP (Foreign)
NTWO – N2H2 INC
NXTL – NEXTEL COMMUNICATIONS INC
NXTP – NEXTEL PARTNERS INC
OIVO – ONE IP VOICE, INC.
OMNY – OMNISKY CORP
OMPT – OMNIPOINT CORP
OOMA – Ooma, Inc.
OPTP – OPTA CORP
ORAN – Orange
ORBC – ORBCOMM Inc.
OTEL – Otelco Inc.
OTWO – O2WIRELESS SOLUTIONS INC
PA – PANAMSAT HOLDING CORP
PACW1 – PAC-WEST TELECOMM INC
PAET – PAETEC HOLDING CORP.
PAGE – PAGING NETWORK INC
PCRV – POWERCERV CORP
PCSA – AIRGATE PCS INC
PDVW – pdvWireless, Inc.
PGEX – PACIFIC GATEWAY EXCHANGE INC
PHI – PLDT Inc.
PHN – PHONETEL TECHNOLOGIES INC
PLDI1 – PLD TELEKOM INC
PNVN – PNV INC
PRPL1 – PURPLE COMMUNICATIONS, INC.
PTEL1 – POWERTEL INC
PTHW – PATHWAYS GROUP INC
PTNR – Partner Communications Company Ltd.
Q1 – QWEST COMMUNICATIONS INTERNATIONAL INC
QMMI – Q COMM INTERNATIONAL INC
RBBN – Ribbon Communications Inc.
RCCC – RURAL CELLULAR CORP
RCI – Rogers Communication, Inc.
RCNCQ – RCN CORP
RCNI – RCN CORP
RDCM – Radcom Ltd.
RNDC – RAINDANCE COMMUNICATIONS INC
RRM – RR MEDIA LTD. (Foreign)
RRRR – RARE MEDIUM GROUP INC
RSLCF – RSL COMMUNICATIONS LTD
S – Sprint Corporation
SBAC – SBA Communications Corporation
SDXC – SWITCH & DATA FACILITIES COMPANY, INC.
SHEN – Shenandoah Telecommunications Co
SIFY – Sify Technologies Limited
SITE1 – SPECTRASITE INC
SITO – SITO Mobile, Ltd.
SJR – Shaw Communications Inc.
SKM – SK Telecom Co., Ltd.
SKYT – SKYTEL COMMUNICATIONS INC
SMIL – 141 CAPITAL, INC.
SNRA – SONERA CORP (Foreign)
SONW – SONG NETWORKS HOLDING AB (Foreign)
SPOK – Spok Holdings, Inc.
SPOT1 – INTELSAT CORP
SSI1 – SPECTRASITE INC
STCIA – SALIENT 3 COMMUNICATIONS INC
STCL – SHARED TECHNOLOGIES CELLULAR INC
STGC – STARTEC GLOBAL COMMUNICATIONS CORP
STRP – STRAIGHT PATH COMMUNICATIONS INC.
STRX – STAR TELECOMMUNICATIONS INC
SURW – SUREWEST COMMUNICATIONS
SVR – SYNIVERSE HOLDINGS INC
T – AT&T Inc.
TALK – ITALK INC.
TALK1 – TALK AMERICA HOLDINGS INC
TBE – TELE LESTE CELULAR PARTICIPACOES (Foreign)
TCAHQ – TOUCH AMERICA HOLDINGS INC
TDS – Telephone and Data Systems, Inc.
TEF – Telefonica SA
TEO – Telecom Argentina Stet - France Telecom S.A.
TEUM – Pareteum Corporation
TGNT – TELIGENT INC
TI – Telecom Italia S.P.A.
TIMHY – TIM HELLAS TELECOMMUNICATIONS S.A. (Foreign)
TKC – Turkcell Iletisim Hizmetleri AS
TLGB – TELEGLOBE INTERNATIONAL HOLDINGS LTD
TLK – PT Telekomunikasi Indonesia, Tbk
TLSNY – TELIASONERA AB (Foreign)
TLTOA – TELE2 AB (Foreign)
TMRK – TERREMARK WORLDWIDE INC.
TMUS – T-Mobile US, Inc.
TNTX – T NETIX INC
TPC1 – SUNCOM WIRELESS HOLDINGS, INC.
TRIN – TRINSIC, INC.
TSD – TELE SUDESTE CELULAR PARTICIPACOES SA (Foreign)
TSIX1 – 360NETWORKS INC (Foreign)
TSTRQ – TERRESTAR CORP
TSU – TIM Participacoes S.A.
TTCMY – TATA COMMUNICATIONS LTD (Foreign)
TTELA – TRITEL INC
TU – TELUS Corporation
TWER – TOWERSTREAM CORP
TWTC – TW TELECOM INC.
UAXSQ – UNIVERSAL ACCESS GLOBAL HOLDINGS INC
UNTKQ – UNITEK GLOBAL SERVICES, INC.
UNWR – US UNWIRED INC
UPCS – UBIQUITEL INC
USM – United States Cellular Corporation
USOL – USOL HOLDINGS INC
USW – MEDIAONE GROUP INC
UTCC – URSUS TELECOM CORP
UTSI – UTStarcom Holdings Corp
VDC1 – VDC COMMUNICATIONS INC
VEON – VEON Ltd.
VG – Vonage Holdings Corp.
VIV – Telefonica Brasil S.A.
VM – VIRGIN MOBILE USA, INC.
VOD – Vodafone Group Plc
VSTR1 – VOICESTREAM WIRELESS CORP
VX – VIALOG CORP
VYTL – VIATEL INC
VZ – Verizon Communications Inc.
WAVE – NEXTWAVE WIRELESS INC.
WAVR – WAVERIDER COMMUNICATIONS INC
WAXS – WORLD ACCESS INC
WCII – WINSTAR COMMUNICATIONS INC
WI – WESTMINSTER CAPITAL INC
WIFI – Boingo Wireless, Inc.
WIN – Windstream Holdings, Inc.
WLNK – WEBLINK WIRELESS INC
WRDP – WORLDPORT COMMUNICATIONS INC
WTEL – WILTEL COMMUNICATIONS GROUP INC
WWCA – WESTERN WIRELESS CORP
XMSR – XM SATELLITE RADIO HOLDINGS INC
XOHO – XO HOLDINGS INC
XSELY – XINHUA SPORTS & ENTERTAINMENT LTD (Foreign)
YAKC – YAK COMMUNICATIONS INC
ZICA – ZI CORP (Foreign)