GL Customers

GL Customer List
Over the past 20 years, GL Communications has provided the leaders in the Telecommunications Industry with the most reliable and the highest quality PC-based telecommunications test and measurement products and consulting services available. GL's experience, quality, reliability, teamwork, and unsurpassed technical support make us a leader in PC-based telecommunications testing and analysis. Our customers rely on GL Communications to ensure that they stay "technology-smart" and ahead of the competition. The following list represents just a few of our customers:

3Com Corporation
5by5 Networks (formerly Itopia)
ACC Lease Co. for Dobson (Eau Clair, WI)
ACC of MN Corp.
ACC of WI, LLC
Accelerated Networks, Inc.
Accelon Africa
Accenture
ACT Networks
ADC Telecommunications, Inc.
Addvalue Technologies, Ltd.
ADT Inc.
Adtran
Advanced Computer Communications
Advanced Fibre Comm
Advanced Systems - 3-5-01
Advanced Telecom, Inc.
AEP Telecom Ops--MidWest Reg
Aeroflex Wichita, Inc.
AerotechTelub
Aether Systems, Inc.
AG Communication System
Agere
Agilent
Air Force
AirNet Communications
Alcatel Lucent - USA
Alcatel Lucent - China
Alcom Systems
All Points Logistics, Inc.
Allen Communications
Allstar Systems / Stratosoft
Altiga Networks
American Cellular Wireless
Amerifax Services Corporation
Amtel Technologies
Amtrade
Analog Devices, Inc.
Analogical Systems
Anda Networks, Inc.
Anritsu (formerly NetTest)
ANTHC
ANTRIX Corporation Limited - India
Applied Quality Communications, Inc.
Applied Signal Technology, Inc.
Arbros Communications
Arelnet Inc.
Argon Engineering
Ariel
ARINC, Inc.
Arizona Components Company, Inc.
AMD - India
Armillaire Technology
Arnaldo Peter
Arpege Defense
Ascom Wireless Solutions, Inc.
Asia Access Telecom
ASTRI
AT & T
ATIS, Ltd.
ATS Michael Gothelf
Automated Telephone Systems, Inc.
Avantas Networks Corporation
Avaya Inc.
Avotel Handels GmbH (Edmund Dziurdz)
Axerra Networks
Aztek Engineering Inc.
BA Systems
BAE
Banaby Industries
Bartec Corporation
Bay Networks EMEA S.A.
Bayly Communications
Bazillion
BC Tel (aka Telus)
BC&T Group
Bell Canada (thru Buyco)
Bernard Kessler Associates
Bicom
Bi-Right Int'l Sales Inc.
Bixby Telephone Company
Blackline Systems Corporation
Boeing North American Inc.
Booz, Allen & Hamilton
Boston Communications Group
Brecis Communications
BridgeComm
Bridgetec Corp.
Broadband Technologies aka Pliant Systems
Broadcom
BroadSpeech LLC
Brooktrout Technologies (Netaccess)
Cable & Wireles
Cable Vision
CableLabs
CACI
CAIR - India
Calix
Campio Communication, Inc.
Canadian Security Intelligence Services
Carinex Ltd.
Carrier Access Corp.
Casabyte, Inc.
CBeyond
CC&I Engineering, Inc.
CCL/ITRI (aka Industrial Tech.)
C-Cor
CDAC - India
C-DOT - India
Cedar Point Communications
CellSite Industries, Inc.
Cellular One Duluth
Cellular One Wisconsin
Celtro Ltd.
Centillium
CET Technologies Pte. Ltd.
Ceterus Networks
Chippewa Co. 911
CINTEC
Cisco Systems - USA
Cisco Systems - China
Ciscom
City of Sacramento
Clarent Corporation aka Verso Technologie
Coherent Communications Systems
COHPAC Communications Systems
Comba Telecom System Holdings Ltd.
Comgates Ltd.
CommVerge Solutions Philippines Inc.
Compunetix
Computer I/O Corporation
Computer Sciences Corporation
Comsat
Comtest
Comverse Information Systems
Comverse Network Systems
Con Edison
Conatel S.A.
Conet Systems, Inc.
Conexant Systems, Inc.
Conklin Corp.
Consultronics Europe Ltd.
Convergent Networks, Inc.
Coppercom
Core Technologies
Corporate Software & Technology--For Moto
Corvis Corporation
Cosmowave (aka Oyang--aka JC K Co)
Covad Communications
Coventry Management Services
Cox Communications
CPT International
Cromack Industries, Inc.
CSG Wireless
CTDI
Cubic Communications, Inc.
Current Technologies
CyberTel
Darnestown
Dartcom (Pty) Ltd. Ruby Budhram
Data Path (For Smith Transport)
DaVo Communications LLC
De Lage Landen Financial Services, Inc.
Decision Systems Inc.
DeLeuw, Cather & Co. (for MTA billing)
Denro
Department of Defense - India
Dialogic
Digi International
Digital Receiver Technology
Dilithium Networks
Ditech
DMJM / DeLeuw, Cather for WMATA work
DMJM / ET for MTA-0859 work
DPS Telecom
DSP Research
DTC Communications, Inc.
Duke Realty Investments
Dynalink Telecom Inc.
Dynetics
Eastcom
EC Tel
ECC-SMM
ECI IP, Incorporated
ECI Telecom Ltd.
ECI Telematics
ECTEL LTD.
Eden Information Service Limited
Edison
Edmund Dziurdz KEG
Efrat Future Technology Ltd.
EFT Holdings Ltd.
Egyptian Telephone Company
Elexience
Elixis
EmpowerTel Networks, Inc.
eNetSecure, Inc.
Ensemble Communications Inc.
EPlus
Equal Access Network
Equinox
Ericsson
ESI -- Estech, Inc.
Eurovision Americas, Inc.
Evercom, Inc.
Everelite Taiwan
EXFO
FAA
FairPoint Communications
Fastlink
FBI Academy
Federal Aviation Administration
Felix Telecom SRL
Fibernet Telecom Group
Fibex
FindMe Solutions Pte Ltd
First Cellular of Maryland
First Star
Flextronics Software Systems (Hughes)
Force Computers (India) Pvt., Ltd.
Formation, Inc.
Fort Meade
France Telecom
FreeHand Communication AB
FTB Int'l
Fujian Furi Electronics Co., Ltd.
FutureTel
Fuzhou Fuguang Electronics
Fyth Labs Inc.
G3 Technologies
Galazar Networks
Garuda Networks
Gassman, Lawrence
GCI
General Bandwidth
General Motors - OnStar
GIGA STREAM UMTS Technologies
Global Crossing
Global Naps
Global One
Global Tellink
Gluon Networks
GN Nettest Inc.
Government of India
Government of Israel
Graybar Electric Company, Inc.
GRIC
Grintek
GSA
GSI Technology
GTE Government Systems
GTE Systems
Gulf Coast Cable, Inc.
Hanoman Interaktif
Harris Corporation
HCL Technologies Limited - India
HCL Infosystems Limited - India
Heim Telecom
Hermon Laboratories
Honeywell Technology Solutions Lab Pvt. - India
Huaxing Chuangye Communication Technology
Hughes Network Systems
Huawei Technologies Co., Ltd.
Hypercom Inc.
IBM
iCloud Communications, LLC
icompression
IGC, Inc.
Improv Sys
IMS
India Mobility Research
Industrial Research Limited
Industrial Technology Research Institute
Infineon Technologies
Infinitec Communications, Inc.
InphoMatch, Inc.
Inrange Technologies Corporation
Installtek
Inswitch Solutions, Inc.
Integra Telecom UTAH
Intel
Intella 2
Intelligent Systems Design
Intelsat
Into Voice Co.
Intrado Inc.
IP RAD
IP Verse
IQ Telecom, Ltd.
Iris Networks
ISN
IT Serv
ITC Networks
Ittiam Systems (P) Ltd.
IXIA
Jamaica Public Service Co., Ltd
JDC System Integrators
Jetstream Comm. (a.k.a. Comdisco)
JITC - Ft. Huachuca - Interop
JNET Strategic Solutions (Rogers Canada)
Johns Hopkins/Applied Physics Lab
Joyful Way
JSI Telecom
JSI Telecom - NY
Keymile AG
Kineto Wireless
Kisan Telecom
Klioinvest Inc.
Kyocera Wireless Corp.
L3 Communications, GNS
Lahat Technologies LTD.
LEL Computer Systems
Level 3 Communications
LG CNS Co., Ltd.
Life Cycle Engineering, Inc.
Linkon Corp.
Litton Network Access Systems
LiveOffice Corporation
Llamamex LLC
Lockheed Martin
Lockheed Martin Shared Services
Logicall
Logitech
Luce County 911 (MI2)
Lucent - India
Lucent - Maryland

Lucent - Singapore
Lucent - Germany
Lycatech India Private Limited - India
Maalot High Tech
Macnica Networks, Inc.
Macro Corporation
Mahi Networks
Maker Communications
Malleable Tech.
Manufacturing Industries (MII)
Mapletree Networks
Marconi - Canada
Marconi Communications
Mark Perry Connor
Marvell Semiconductor
Maryland Procurement
Maryland QC Laboratories
Mascon Global Ltd.
Maser Technology
Maxim / Dallas Semiconductor
MB Electronique
MCI Worldcom
MCK
Medical Mutual of Ohio
Memec Design Inc.
Memorylink
Memotec Comm.
Merlin Corporation
Metrico Wireless
Micom Networks (Nortel)
Microwave Data Systems
Microwave Radio Communications
Mid-Atlantic Data Systems Inc.
Millenium
MindSpeed (A Conexant Business)
Minnesota Tower Systems, Inc.
Mitre
Mockingbird Networks (Opus Systems)
Motorola
Motorola Gov't Division
MRO-TEK LTD.
MRV Communications, Inc.
MTA
MTS Technologies, Inc.
Multitel asbl
NASA
N.I.T. Rourkela
National Semiconductor HK Ltd.
Natural Micro Systems
NBase
NEC
Net Connect SA
Net Effect Corporation
NET Federal Inc.
NET.COM
Net2Phone
Netopia, Inc.
Netscope Solutions
Network Equipment Technologies (NET)
Neutrik
New Jersey Institute of Technology (NJIT)
New Triple Inc.
New Zealand D.O.D.
Newbridge Networks Corporation
Newcast Inc.
NewStep (Rev D Networks)
NewTek
NexInnovations
Next Level Communication
Next Link
Nextel
Nhancement Technologies (aka Appiant)
Nice Systems
Nihon Dynetcom K.K.
Niu-Hsu Corp. (NHS)
Nokia
Norlight Telecommunications, Inc.
Norsat
Nortel Networks - China
Nortel Networks - Canada
Nortel Networks PLC - England
North Electric Company, Inc.
Northrop Grumman
Nomus Communication Systems
Norvergence, Inc.
NovaNet Learning Inc.
Novus Technologies
Novus Technology, Inc.
NTC (Infonet)
Ntera
NTSG c/o Qwest Comm.
NTT
Nurisys
NVision LLC
NX Networks
Occam Networks
O'Connor's Engineering Sdn Bhd
Office Solutions, Inc.
Ofisgate Business Solutions Sdn Bhd
Ohio University
OLTP Voice Systems
Omnipoint Technologies 3 Inc.
Omnitel Communications
Opus Wave (see Siemens ICN)
Orbit Alchut Technologies Ltd.
Oresis
OT Australia
Overture Networks Inc.
Pac-West Telecom
Pairgain
Pannaway Technologies, Inc.
Par3 Communications Inc.
Paragea Communications
Paratel inc.
Parsons Transportation Group Inc.
Pelephone
Penta Corp.
Peoples's Energy
Performance Technologies, Inc.
Perotsystems Government Services
Phelps-Dodge Mining
Pilgrim Telephone
Pliant Systems (formerly Broadband)
PMC-Sierra, Inc.
Polska Telefonica Cyfrowa Sp. z.o.o.
Polycom
Positron Public Safety Systems Inc.
Powerwave Technologies
Precision Computer Services, Inc.
Primex Tech
Prompt Technologies
Puroptix
Qovia, Inc.
Quaint Technologies (Pty) Ltd.
Qualcomm, Inc.
Quanta Systems
Quantitude
Quantum Bridge Communications
Quasar Cipta Mandiri
Qwest Communications
RAD Data Communications
RAD Engineering
Radio Carriers Service Co., Inc.
Rauland-Borg
Raychem Corporation
Raytheon Systems
RealChip Communications, Inc.
Reliable System Services
Renesas
Research In Motion
Reset, Inc.
Review Adjustment
RFB Cellular Inc.
Rockwell Collins Passenger Systems
Roos Group, Inc.
RS Information Systems Inc.
Safeco
Safetran
Salies
SALIX Technologies, Inc.
Sam Woo TBS
Samsung Electronics
Sanders
Sandia National Labs
Santera Systems Inc. (or Comdisco)
SAPEC
SBS Technologies
Scientific-Atlanta, Inc.
Seabridge Ltd.
Securelogix Corporation
Sentito Networks
Seoil DSP, Co., Ltd.
Septier Communication Ltd.
SES Americom
Shoshin
Sick
Siemens AG
Siemens ICN (see Opus Wave)
Siemens SA de CV
Silicon Wireless
Sint Maarten
Sioux City Wintronic
SK Telecom
Sky Comm, Inc.
Skyguide
Software House International, Inc.
Software Spectrum GmbH
Solicitor General of Canada
Sonexis
Sonus Networks, Inc.
Sony Trans Com Inc.
Soresi - Tower in P.G. County
Sotas, Inc.
Source One Network, Inc.
Spanish Embassy
Sparta Incorporated
SPC TelEquip
Spectrum Signal Processing
Spectrum Telecom
Sphere Communications Inc.
Sprint
Sprint Nextel
Starnet Networks
State of Maryland Treasury Office
Stoke, Inc.
Stonehenge Telecom
Stratasoft
Sumitomo Corp. of America
Sun Rocket Inc.
Susquehanna International Group, LLP
Swiss Government
Swisscom
Swisscontrol
Sygnus Data Communications
Symmetricom
Synchronous Communication Co.
Syncomm
Synopsys Inc.
System & Technologies Vietnam Ltd.
Tachion Network Technologies
Tasman Networks (now Nortel)
Tata Communications India Pvt Ltd (Formerly VSNL)
Tekelec Corporation
Tel-Access
Telchemy
Telco Bridges
Telcordia Technologies
Tele Data Sytems Sp z.o.o.
Tele Tower Inc. aka Digi Star Ltd.
Telebyte Technology, Inc
Telecom Technologies, Inc.
Telecommunication Systems
Telecontinuity, Inc.
Teleglobe Canada Inc.
Telena
TeleSystems International (bought Paragea
TelGen Corporation
Telica (now Lucent)
Tellabs, Inc.
Telogy Networks
TelStrat, Int'l.
Tenet Technologies
Tenzing aka Upthere Communications
TesCom
Texas Instruments - USA
Texas Instruments (India) Pvt. Ltd.
Thales Norway AS
The Westminister Schools
Themis Computer
ThinkEngine Networks, Inc.
Thrane & Thrane
Ticketmaster
Time Warner Cable
T-Mobile (aka VoiceStream)
Tollbridge Technologies
Tollgrade Communications, Inc.
Tomega Communications Inc.
TongMao Co., Ltd
Toshiba America
Transtech Electronic
Tricom S.A.
Troncom Corporation
TRW
TTC
Tugtel Communications
U.S. Airforce
U.S. Army
U.S. Coast Guard
U.S. Department of State
U.S. Government
U.S. Postal Service
U.S. Security Associates
Ulticom, Inc.
Umniah
Unefon Mexico
Uniden America Corporation
University of Michigan
University of Oklahoma--Tulsa
University of Tulsa
Upgrades Unlimited
Urmet Sistemi S.P.A. UltraE1Based EC Test
UTStarcom, Inc.
UTT Labs, Inc.
Vacation
Valiant Networks
Veraz Networks
Verint Systems
VeriSign
Verizon
Verso Technologies (formerly Clarent)
ViaSat
VietnamTechnique Import-Export Corp.
Vihaan Networks Private Limited - India
Virtual Access
Virtual Comm
Vista Labs
Vital Telecom
Vocal Data
Vocalis Ltd.
VoiceLog LLC
Voicepump - IL
Voicepump.com
Voyant Technologies
VX Tel
WANGKE TECHNOLOGY CO., LTD
Watkins-Johnson Company
Wave 7 Optics
Webex
Westek
Westwave Communications, Inc.
Wireless Consulting - Towers
Wiscom
WMATA
World PCS Inc
Wytec Incorporated
XEL Communications, Inc.
XIUS - India
XO Communications
Xtra
Yahoo, Inc.
Youngtron Inc.
Zarlink Semiconductor
Zetron, Inc.
Zhone Technologies, Inc. (aka Net2Net)
ZTE Corporation.