customers

Argentina
Compania de Radio
Brunei
Ministry of Defense
Canada
Alliance
AT&T Wireless - Rogers
BC Hydro
BC Telephone
Manitoba Hydro
New Brunswick Power
Newfoundland Telephone
Northern Telecom
Northwest Telephone
Novanet Com
Sask Tel
Telus Com
Telus Mobility
Universal Communications
Westmin Resources
Chile
Anglo American
Coasin
Chilean Army
Endesa
Entel
Larrain & Salas
Raylex S.A.
China
Beijing Taicheng Technology
Champion Technology
Chengdu Import & Export
Chengdu Tongfa Telecom
China Carrier Enterprises
China Communications
China National Elec tronics
China National Import & Export
China National Technology
Dalian International
Fuzhou Telecom TechnicalDev.
Gansu Microwave Telephone
Hunan Microwave Telephone
Liaoning LDT
Ningxia LDT
Pacific Nanhai Oil
Shaanxi Import & Export
Shenyang Technical Imp.&Exp.
Shenzhen Haofang Electrical
Colombia
Alcatel
Asecones
Cementos Diamante Del Tolima
Comcel
Grupo TCI
Impsat S.A.
Siemens
Telecom
Dominican Republic
Banco Popular Dominicano
Verizon – Codetel
Ecuador
Ericsson
Siemens
Tecom CIA LTDA
Egypt
Technical Research Dept.
Finland
Ericsson
Germany
Ericsson
Deutsche Bundespost Telkom
Standard Electrik Lorenz
US Army
Guatemala
Agencias H.B. Rich, S.A.
Sercom
Honduras
Megatel
Telefonica Moviles
Hong Kong
Champion Technology
Chief Wide Ltd.
China Railway Ministry
India
Dept. of Telecommunications
Indonesia
PT Freeport

Iraq
Parsons Iraq JV
Northern Oil Ministry
Southern Oil Ministry
Italy
Italtel SIT
Telespazio
Jamaica
Jamaica Telephone
Japan
Sumitomo Corp.
Kuwait
State of Kuwait
Mauritius
Mauritius Telecom
Mexico
Petroleos Mexicanos
Rios Representaciones Int. S.A.
Telmex
Unefon
Micronesia
Micronesian Telecomunications
Pakistan
Carrier Telephone Industries
Pakistan Telecommunications
Panama
Panama Supply & Services
Suminisros Industriales
Philippines
Oceanic Wireless Network
Puerto Rico
WORA-TV
Switzerland
Ascom
Taiwan
Chyuan Sheng Comm. Co.
Trinidad

Telecommunications Services
USA
Airgate PCS
Alamosa
Alascom
Alcatel Network Systems
Alcatel-Lucent
Allied Communications
Alltel
Applications Technology
Applied Telecommuncations
Arctic Slope Telephone
Arizona Telephone
ATC Northwestern
AT&T
AT&T Alascom
AT&T Wireless
Aviat Networks
Baltimore Gas & Electric
Beehive Telephone
Big Bend Telephone
Blackfoot Communications
Black Mesa Pipeline
Boeing
Bonneville Power Admin.
Burlington Northern Railroad
California-Oregon Telephone
California Autofone
California Microwave
Cambridge Telephone
Carolina Power & Light
Cascade Utilities
Cellular South
Centerior Energy
Central Nebraska Public
Central Utah Telephone
Century Telephone
CenturyLink
CFW Telephone
Champlain Communications
Chevron Information Technology
Chillicothe Municipal
Churchill County Telephone
Cingular
Citizens Mohave Cellular
Citizen’s Telephone
Citizen’s Utilities
City & County of San Francisco
City of Farmington
City of Tacoma
City Public Service

USA (continued)
Cleveland Electric Illuminating
CNSI
Commonwealth Edison
Connecticut Light & Power
Conrail
Consolidated Edison
Contel
Copper Valley Telecom
County of Monterey
County of San Bernardino
CP National
CSX Transportation
CTC of Nevada
Custer Telephone
Destiny Communications
Dairyland Power Coop
DMX Stratex
DSC Communications
Digital Microwave
Dobson Cellular
Duke Power
Duquesne Light
East River Electric Power Coop
Eastern Microwave
Ed Rosendin Electric
Ellensburg Telephone
Empire District Electric
ENMR Telephone Coop
Florida Power
Fremont Tel.
Frontier Citizen
Gas Transmission
GEM State Utilities
General Electric
Georgia Power Company
Grays Harbor County PUD
GTE
Harris MCD
Harris-Stratex
Hetch Hetchy Water & Power
Hoosier Energy
Houston L & P
Illinois Central Railroad
Interstate Power
Iowa-Illinois Gas & Electric
Island Telephone
Kamo Power
Kansas Gas & Electric
KCMC-TV
KHGI-TV
KJZZ-TV
KN Energy
KNBR-TV
KNDO-TV
KOMO-TV
KXJB-TV
L&R Communications
Lawrence Livermore
  National Laboratories
LA Water and Power
LeBlanc Communications
Lincoln Telephone
Lockheed
Louisville Gas & Electric
Lower Colorado River Authority
LTI DataCom
M&A Electrical Power Coop
Massachusetts State Lottery
McCord Communications
Metropolitan Water District of
  Southern California
Microwave Networks
Midvale Telephone
Mississippi Educational TV
Mobil Oil
NEC
Nevada Bell
Nevada Tel. & Tel.
New England Power
New Horizons
Niagara Mohawk Power
Norfolk & Western Railway
Norlight
Northeast Utilities
Northern Gas Company
Northern Plains Natural Gas
Northwest Electric Power
Northwestern Telephone
Ohio Edison
Oliver Mercer Electric
Omaha Public Power

USA (continued)
Orlando Utilities
Pacific Bell Telephone
Pacific Gas & Electric
Pacific Telecom
Paducah & Louisville Railway
PanhandleTeleCommunications
Pennsylvania Power
Pine Belt Cellular
Pinnacles Telephone
Plains Electric
Portland General Electric
Potomac Electric Power
Prairie Public Radio
Public Service of Indiana
Public Service of New Mexico
Puget Power Communications
Qwest
River Valley Telephone
Riveria Utilities
Rural Telephone
Salt River Project
Seattle City Light
Servitel
Shell Oil
Sierra Pacific Power
Siskiyou Telephone
SNC
Snohomish County PUD
Southern California Edison
Southern California Gas
Southern Natural Gas
Southern Pacific Lines
Southwestern Electric Power
Spokane County Sheriff
Sprint PCS
St. Olaf College
Star Microwave
State of Alaska
State of Idaho - MW Communications
State of Nevada
Surewest Communications
Sun Pipe Line
Tacoma Public Utilities
Tampa Electric
Taylor Telephone
Texaco Pipeline
Texas-New Mexico Pipeline
Texas Utilities Mining
Three Rivers Wireless
Tonto National Park
Tri-State Generation & Trans.
Tuolume Telephone
Ubiquitel
Union Electric
Union Pacific Railroad
Union Telephone
United Telephone of Florida
United Texas Transmission
University of California
US Air Force
US Army Corps of Engineers
US Army - ISEC
US Bureau of Reclamation
US Coast Guard
US Department of Defense
US Department of Energy
US Department of Agriculture
US Forest Service
US Navy - NSWC
US West Communications
Valley Telephone
Vermont Electric Power
Verizon Communications
Virginia Power
Voice of America
Washington State Patrol
Washington Water Power
WCBI-TV
Western Area Power Administration
Westinghouse Electric
White Sands Missile Range
Williams Natural Gas
WORA-TV
Wyoming DOT
Wyoming Public TV
Venezuela
Eproserca
Eprotel C.A.
West Indies
Cable & Wireless