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610 N. Whitney Way, Suite 160
Madison, WI 53705, U.S.A.
Phone: (608) 238-2171, Fax: (608) 238-9241
Email: info@powline.com
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Maps with locations of Power Line Systems
clients
PLS-CADD™ Users List
TOWER Users List
PLS-POLE™ Users List
Maps updated July 2007
Red pins are companies with PLS-CADD
Green pins are companies with TOWER
Yellow pins are companies with SAPS
Blue, white and clear pins are companies with PLS-POLE steel, wood and concrete respectively.



Notes:
This list was last updated June 18, 2008.
The list does not include the hundreds of users of PLS-CADD/Lite, the
simplified version of PLS-CADD which is restricted to the calculation of sags,
tensions, stringing charts, galloping ellipses and loading trees.
Links are provided to those customer web pages that feature PLS-CADD.
Afghanistan
Albania
Algeria
- Al-Elec Spa
- Baticim Spa
- Kahrakib
- Kimelec Spa
- Sonelgaz
- Sonelgaz-Cobra
- Sonelgaz-Siemens
AngolaArgentina
- ATEC
- Cointec S.A.
- EDELAP
- ENERSA
- INECA
- TRANELSA
- Ingenias S.R.L
- Skanska
- Transener S.A.
Australia
- AAM Hatch
- Calibre Projects
- Clarence Consulting
- Connell Wagner
- Country Energy
- Distribution Power Design
- Downer Power Transmission
- Electranet, SA
- ETSA Utilities
- Energex
- Energy Australia
- Energy Serve
- Ergon Energy
- Future Engineering & Comm
- GHD Services
- Hydro Tasmania
- Integral Energy
- O'Donnell Griffin
- Parsons Brinckerhoff
- PLD Consulting Pty Ltd
- PLS Consulting
- Powercor Australia Ltd
- Powerlink Queensland
- PowerNet
- Power Serve
- Salem Power Engineering
- Sinclair Knight Merz
- SP Ausnet
- SP Ausnet
- Stapleton Associates
- Transend Networks
- Transfield Services
- Transgrid
- UDCS
- United Group Ltd.
- Utility Asset Mgmt
- Western Power Corporation
- Worley Parsons Services
AustriaBangladeshBelgium
Bolivia
- ENDE
- Ingenieros Consultores Alvarez
- Transportadora de Electricidad, S.A.
Bosnia
Brazil
- 3M
- Ampla Energia
- Asea Brown Boveri
- Candemil Oliveira Engenharia
- CCES - Camargo Correa Equipamentos E Sistemas
- C.E.E.E
- CEAL
- CELG
- CELPE
- CESP - Sao Paulo
- Cemig
- Centrais Electricas Matogrossenses
- CHESF
- Cobelux
- COELCE
- COELBA
- Concremat Engenharia
- COPEL
- CTEEP - Brazil
- Eletronorte
- Electropaulo
- Eletrosul
- Engelineas
- ENGETOWER Engenharia
- Engetran
- Engevix Engenharia
- Escelsa Brazil
- Fluxo Engenharia
- Furnas
- IG - Construcoes Eletricas Ltda
- Isotech
- Lactec
- Leme Engenharia
- LUMI Engenharia
- Marte Engenharia
- Nexans
- Novatrans Energia
- ONS - Brazil
- Paulista Service Engenharia Ltda
- PLT LTDA
- SAE Towers
- Tacta Enercom
Bulgaria
- Bulgarian HV Distribution Co
Burkina FasoCanada
- Acier Profile SBB Inc.
- Acres International
- Altalink L.P.
- ATCO Electric Limited / ATCO Utility Services
- Aquila Networks
- BBA Canada
- B.J. Tworzyanski Limited
- Barkley Technologies
- BC Hydro
- BC Transmission Corporation
- British Columbia Transmission Corporation
- Cambridge & North Dumries Hydro
- Canadian Hydro Developers, Inc.
- Cegertec Expert Conseils
- Chimax Inc.
- CIMA
- Comstock Canada
- Concept Metallique Rioux Inc.
- DBS Energy Services
- DigitalWorld Mapping
- Dessau
- Detmold Consulting Ltd.
- Enmax Corporation
- FortisAlberta
- FortisBC
- Great Lakes Power
- Groupe S.M.
- Hatch Energy - Ontario
- Hydro One
- Hydro Quebec
- Ian Hayward International
- IFNA Engineers
- Kiewit
- Kitchener-Wilmot Hydro - Ontario
- LEX Engineering
- Manitoba Hydro
- McGregor Construction
- MCW/AGE
- Michel D. Belanger- Expert Conseil
- MVA Consulting Ltd.
- New Brunswick Power Corp.
- Newfoundland & Labrador Hydro
- Nova Scotia Power
- Ontario Hydro
- Primary Engineering
- Prinex
- PSE Canada
- RS Technologies
- RSW
- SES Engineering
- Sinai Engineering Corporation
- SNC-Lavalin
- SNC-Lavalin ATP Inc.
- SNC-Lavalin Power Ontario
- Stantec Consulting
- T&D Powerline - Alberta
- Tecsult
- Teshmont Consultants
- TransAlta Utilities Corp.
- Transénergie
- Valard Construction Ltd.
- Waterloo North Hydro
- Winnipeg Hydro
- Yukon Energy Corporation
Chile
- CGE Transmision
- CHILECTRA S.A.
- Constructora Jara y Cordova Ltda.
- Edelnor
- ESEDEI Ingenieros
- ESINEL
- FE&D
- GTD Ingenieros Consult.
- Ingendesa S.A.
- INGENTRA
- Puente Alto Ingenieria
- SAESA
- Transelec SA
China
- China Power Grid Construction
- CLP Power
- CPE
- HBED
- Nanjing International Electric Power Technology Consultant
- NIEPC
- NCPE
- NMDSY - Mongolia
- Zhou Weiming
Colombia
- Applus Norcontrol
- Consultores Unidos
- Consultoria
- HMV Ingenieros
- Integral S.A.
- ISA Interconexion
CongoCosta Rica
- EPR- America Central
- Instituto Costarricense de Electricidad
Croatia
Cyprus
- Electricity Authority of Cyprus
Czech Republic
Denmark
Dominican Republic
Ecuador
Egypt
- Dar Al-Handasah
- EPS- Egypt
El Salvador
- CEL
- ETESAL
- PRINEL SA de CV
Ethiopia
- Beza Consulting Engineers
- Ethiopian Electrical Power Corporation
- KEC International
FinlandFrance
- Alcatel CIT
- Areva T&D
- Atlantique Etudes
- AVEO Services
- Betco
- Briere
- Bureau Etudes EEE
- Cegelec Centre Est
- Cegelec Nord & Est
- Cegelec Sud Ouest
- Dimov Consulting
- ECLID
- EDF - CIST
- EDF - STR
- EDF R&D
- EGIS
- Electricite de Strasbourg
- Etudes de Travaux
- FIT Conseil
- Hecla
- HELCOM
- Jean Cruzille
- Inabensa
- INEO EXPORT
- INEO/GTMH
- IRHT - France
- Laglasse & Omhovere
- Linelec - Cergy
- Linelec - Est
- Linelec - Rodilhan
- Linergie
- Proj'Elect
- Regaud Guillaume
- RTE
- Sarrasola
- SELT
- SCIE
- Société SETREL
- Thepault S.A.
- Transel
Germany
- ABB-Energieanlagenbau GmbH
- Alpine Energy Deutschland GmbH
- Cteam Consulting & Anlagenbau GmbH
- Fichtner GMBH
- Siemens AG
- Silver Connection OHG
Ghana
- Electricity Company of Ghana
- Volta River Authority
Greece
Guatemala
Hungary
- Etv-Eroterv
- Tessag Hungaria
- Transelektro
Iceland
- Honnun HF
- Linuhonnun Hecla
India
- Associated Transrail Structures Ltd.
- Central Electricity Authority
- Infotech Enterprises
- Intec Infocom Pvt. Ltd.
- Jyoti Engineers
- Jyoti Structures Ltd.
- Kalpataru Power Transmission
- KEC International
- Kerala State Electricity Board
- Larsen & Toubro
- PGCIL-Jyoti
- Pioneer Surveyors
- Power Grid Company of Bangladesh
- Power Grid Corporation of India
- Prem Power Construction
- PTC Uttarakhand
- Rites Bhawan
- SMEC
- Tata Power
- Tata Projects Limited
- TCE Consulting Engineers
- Water & Power Consultancy Services, Ltd.
Indonesia
- Citacontrac
- PT Karvak Nusa Geomatika
- PT. PLN (Persero) P3B Jawa- Bali
Iraq
- Iraq Ministry of Electricity
- Ministry of Electricity - Kurdistan Reg. Gov.
Ireland
Italy
- Consorzio Italia 2000
- ENNE
- Helica SRL
- SAE Power Lines SRL
- Terna
Jamaica
- Jamaica Public Service Company
Japan
- Fujikura Ltd.
- Nippon Koei
Jordan
- NEPCo-Jordan
- Parsons Brinckerhoff Jordan
Libya
- GECOL - General Electric Co of Libya
Lebanon
Malawi Malaysia
- DNK Engineering
- Minconsult
- Multi Discovery Sdn Bhd
- Sabah Electricity
- Sarwaja
- Tenaga Nasional Berhad
- Tenaga Transmission
- Transmission Technology
- Unimekar Sdn Bhd
Mauritius
- Central Electricity Board
Mexico
- ABB de Mexico
- Abengoa Mexico, S.A. de C.V.
- Cableados Industriales SA
- CFE - Cordinacion de Proyectos de Transmision
- CFE - CPTT - Construction Area
- CFE - CPTT - Design Area
- CFE - Ing. Especializada
- CFE - Luz y Fuerza
- Comision Federal de Electricidad
- CFE - Siemens
- CYMI
- Earthtech
- EDEMTEC
- Elecnor S.A.
- Grupo Tres
- Grupo Tribasa, S.A. de C.V.
- Iberdrola Mexico
- Iberinco
- Ibertec Mexico- Grupo Union Fenosa
- Ing. E. Lorenzo Reyes Osorio
- Instituto Investigaciones Electricas
- Isolux de Mexico, S.A. de C.V.
- ITT Mexico
- Qually Integration y Sistemas
- SAE Towers
- SEPISA
- Siemens, S.A. de C.V.
- Soluziona Ingenieria SA
- Techint
MongoliaMorocco
- Cegelec Maroc
- Galkon A.S.
- Galkon Maroc
- ONE
MozambiqueNamibia
- Nampower
- Power Line International
Netherlands
New Caledonia
New Zealand
- AC Consulting Group
- Beca Carter Hollings & Ferner
- Electricity Ashburton
- Electrix Ltd. NZ
- Electronet Services
- Groundline PTY Ltd.
- Linetech Consulting
- Maunsell
- Odyssey Energy NZ
- Power Systems Consultants
- Sinclair Knight Merz
- Taranaki Energy
- Top Energy Ltd.
- Transpower
- Unison Networks Ltd.
NicaraguaNigerNigeria
- Coplan Associates
- Energo
- Stephen Olumuyiwa
Norway
- AE Nettkonsult AS
- BKK Nett AS
- Norconsult AS
- Skagerak Nett AS
- Statnett
Oman
- Civil Contracting Co.
- Galfar Engineering
- Mott MacDonald
- Tebodin Partner
Pakistan
- BARQAAB
- ICC
- Nazir Company
- Netracon Technologies
Panama
- Celmec
- ETESA
- Panama Canal Commission
- Soluziona
Paraguay
Peru
- CESEL
- Constructores Transmantaro
- COSAPI S.A.
- GMI S.A.
- ICE Ingenieros Consultores
- PNUD - Peru
- Promotora de Proyectos SAC
- Proyectos Especiales Pacifico S.A.
- S & Z Consultores
Philippines
- National Power Corporation
- Davao Light & Power
- National Transmission Corporation - Civil Engineering
- National Transmission Corporation - Southern Luzon
- Transco
- P&C System Inc.
- PNOC
- Visayan Electric Company
Poland
- ELTEL Olsztyn
- Energoprojekt
Portugal
- CME
- EFACEC
- Electricidade Industrial Portuguesa
- ENSUL MECI
- EPME
- Maxipro Engenharia
- Painhas & Arieira
- Pinto e Bentes
- Rede Electrica Nacional
- RZmapa
- SLE - Electricidade do Sul, S.A.
Puerto Rico
- Barrett Hale & Alamo
- JDR Engineers
- Puerto Rico Electric Power Authority
- URS Caribe LLP
Romania
- Fichtner Engineering
- Fichtner Romelectro Engineering
Russia
Saudi Arabia
- Aetcon
- Al Babtain
- Al Fanar Construction Co.
- Al Sharif Group
- Al Yamamah Steel Industries Company Ltd.
- ASAS Contracting Company
- DAR Engineering
- M/S Kadi
- National Contracting Co. Ltd.
- National Power Construction Corp. Ltd.
- Petrocon Arabia Ltd.
- Raissy Hgpt
- Salim Al-Yami
- Saudi Electric Company, Eastern Operating Area
- Saudi Electric Company, Southern Operating Area
- Saudi Electrical Contracting
- SaudConsult
- SSEM
Serbia
- ABS Minel Elektrogradnja
- ELEM & ELGO Ltd.
- JP Elektroistok
Singapore
- Development Resources PTE LTD
Slovakia Slovenia
- ELES
- Elektro Celje
- Elektro Maribor
- IBE Consulting Engineers
South Africa
- Africon Engineering
- Balenden & Robb Pty Ltd
- BURCO Electrical Pty Ltd
- Consolidated Power
- CVG Consulting Engineers
- Element Consult Eng
- EON Solutions
- Eskom
- Geopower
- Grinaker LTA
- Jeecon 104 cc
- Lebone Engineering
- Mace Electrical Tech
- Martiens Lyon
- Motla Engineering
- Netgroup Solutions
- Palace Engineering Services
- Power Line Consulting
- Stemele Bosch Africa
- Stewart Scott
- Thabile Engineering
- Transdeco GTMH
- Trans-Design
- Vela VKE
- VSV Consulting
South Korea
- Daekyoung Co., Ltd.
- Lucky Development Co. Ltd.
- Hyundai Engineering & Construction Co.
- KEPCO - Korea
- Kopec
- LS Cable Ltd - Korea
Senegal
Spain
- ABB SADESPA, S.A.
- ADITEL
- Elecnor S.A.
- EMTE GIRONA
- Endesa Servicios
- General Cable
- Grupo Cobra
- Iberdrola
- Iberinco Spain
- IIC Ingenieria
- Instalaciones Abengoa-Inabensa
- IRC Projects
- Isolux Wat, S.A.
- Isotron
- SEMI
- SOCOIN
- Soluziona Ingenieria
- TENSA
Sri Lanka
- Lanka Transformers Limited
Switzerland
- BKW - Switzerland
- BSA Ingenieurs Conseils
- Colenco
- Energie Ouest Suisse
- Entreprises Electriques Fribourgeoises
- Groupe E
- Karakas & Français SA
- Lebag - Switzerland
- SACAC
- SAK
- SBB - CFF - FFS
- SEFAG
- TransElec Ingenierie Sarl
- STUCKY Ingénieurs conseils SA
Syria
Taiwan
- Taiwan Electrical & Mechanical Engineering Services
- Toalux Electric Corp. Taiwan
Thailand
- Electricity Generating Authority of Thailand
- Maunsel Powergrid
- Powergrid Consultants
- Provincial Electricity Authority
- VA Tech Transmission & Distribution
- SRI U-THONG Company
Trinidad & Tobago
- Trinidad & Tobago Electricity Commission
Tunisia
Turkey
- AK-AY Elektrik
- EMTA MITAS
- Linuhonnun Hecla Turkison
- Ozdil
- STFA Construction
United Arab Emirates
- ADWEA
- Centaur Electrical
- Electrowatt Engineering Services
- Emirates Electrical Engineering llc
- I.B. Connections
- KEC International Limited
- Lahmeyer International GMBH
- Larsen & Toubro Abu Dhabi
- M/s Lahmeyer International
- Power Transmission Co.
- SEWA - UAE
- Transco - Abu Dhabi
- TR Engineering - Oman
- Worley Parsons Oman
United Kingdom
- AMEC Power
- Babcock Networks Ltd.
- Balfour Beatty Power Networks
- British Power Intl. Ltd
- Cardiff Univ. High Voltage Energy Group
- Energyline
- Enterprise Power Services
- Hansworth Ltd Rockson Eng.
- LSTC
- Mott MacDonald UK
- National Grid
- Netmap
- Network Mapping
- NOR-ICIL
- Parsons Brinckerhoff
- Poletecs Ltd
United States
- 3M Electrical Products Division
- ABB Inc.
- ABB Power T&D Inc.
- Advantage Engineering
- AEP ProServ
- Aerotec, LLC
- Alabama Electric Cooperative, Inc.
- Alabama Power Company
- Allegheny Electric Cooperative
- Allegheny Power
- Allen & Hoshall
-
Allgeier, Martin & Associates, Inc.
- Alliant Energy
- Alpha Engineering, Inc.
- Altran Solutions
- Ameren Services
- American Electric Power
- American Municipal Power
- American Transmission Company
- Ampirical Solutions
- Apogee Engineers, LLC
- Appalachian Electric Cooperative
- Arizona Public Service
- Austin Energy
-
Ayres Associates
- Baltimore Gas & Electric
- Bangor Hydro
- Basin Electric Power Coop
- Beatrice Board of Public Works
- Bechtel
- Beckett & LaRue, Inc.
- Beta Engineering Corporation
- Black & Veatch
- Black Hills Power & Light
- Blair Consulting
- Board of Public Utilities
- Bradley H Hicks PE
- Brown & Kysar
- BPA
- Booth & Associates
- Brazos Electric Power Coop
- Burns & McDonnell
- Cannon & Cannon
- Careba Mott MacDonald
- Careba Power Engineers
- Carolina Power & Light Company
- Carroll Electric Coop
- CenterPoint Energy
- Central and South West Services
- Central Electric Power Coop
- Central Power Electric Coop ND
- Central Electric Power Coop S.C.
- Central Hudson Gas & Electric
- Central Iowa Power Coop
- Central Lincoln PUD
- Chelan County PUD
- Chugach Electric Association
- Cinergy Services
- City of Lakeland
- City of Oak Ridge
- City of St. George
- City of Tallahassee
- City Public Service of San Antonio
- City Utilities of Springfiled MO
- Clark Public Utilities
- CLECO
- Cleveland Utilities
- Clough, Harbour & Associates / Atlanta
- Colorado Springs Utilities
- Comlink Land Services
- Commonwealth Associates, Inc.
- Commonwealth Edison
- Con Edison
- Consulting Engineers Group
- Consumers Energy
- CTC
- Custom Engineering Solutions
- D.L. St. John
- Dahl Taylor Associates
- David Evans & Associates
- Dairyland Power Coop
- Danford, L.C.
- Dashiell Corporation
- Dayton Power & Light
- Design Alaska, Inc.
- Detroit Edison
- DGR
- DiGioia Gray & Assoc.
- Downes Associates
- Duke Energy
- Duke Power Company
- Dominion Technical Solutions
- Duquesne Light Company
- Drash Consulting Engineers
- Dryden & LaRue, Inc.
- E/PRO
- East Bay M.U.D
- East Kentucky Power Co-op
- East Mississippi Electric Power Association
- East River Electric
- El Paso Electric Company Transmission
- ELCON Associates
- ELECT, P.C.
- Electric Power Board of Chattanooga
- Electric Power Board of Nashville
- Electrical Consultants Inc.
- Electrical Consulting Engineers
- Electrical Systems Consultants
- Elizabethton Electric System
- Ellett & Gaynor
- Empire District Electric Company
- Engineering CAD Solutions
- Engineering Data Management
- ENGlobal Engineering
- Entergy Operations
- Entergy Services Inc.
- EPEC
- Epoch Engineering
- EPRI Solutions - Haslet
- Erwin Utilities
- Eugene Water & Electric Board
- Exponential Engineering
-
Fiber Planners
- Finley Engineering Company, Inc.
- FirstEnergy
- Florida Power & Light
- Fluor Daniel, Inc.
- Fort Pierce Utilities Authority
- Franklin County Public Utility District
- Fred Wilson & Assoc.
- GAI Consultants
- Garland Power & Light
- GeoDigital Int.
- Georgia Power
- Georgia Transmission Corporation
- Gibson EMC
- GPU Energy
- Guernsey & Co.
- Grant County PUD #2
- Great River Energy
- Greeneville Light & Power
- GRP Engineering
- Gulf Power
- JAMCS Corporation
- Hanlon Engineering & Assoc.
- Harp Engineering
- Harza Engineering
- Hawaiian Electric Company
- Hendrix
- HHMI Corp.
- HDR Engineers
- HDR Inc.
- HFG - Engineering
- Henkels & McCoy
- Hoosier Energy
- Hardy Engineering
- Huntsville Utilities
- ICPE Inc.
- Idaho Power Company
- Illinois Power
- Imperial Irrigation District
- Indianapolis Power & Light Company
- InfraSource Engineering Co
- Innovative Engineering Solutions
- International Transmission Company
- Irvine Engineering & Testing
- ITC-Midwest
- J.A. Jones Power Delivery
- Jackson Utility
- Jacksonville Electric Authority
- John Billo
- Jon M. Ferguson
- Jorge Linares
- Kansas City Power & Light
- KBM, Inc.
- KCI Technologies
- Kellogg Brown & Root
- Kentucky Utilities
- Keyspan
- Knight Advanced Technology
- Knoxville Utilities
- Laramore, Douglass and Popham
- Law Engineering
- Leonard Consalvo
- Lincoln Electric
- Linesoft
- Lockwood, Kessler & Bartlett
- Los Angeles Department of Water and Power
- Lower Colorado River Authority
- M.D. Henry Co.
- M&S Engineering
- MACTEC Engineering and Consulting, Inc.
- Madison Gas & Electric
- Maine Public Service
- Meers Engineering
- Memphis Light, Gas & Water
- Mesa Associates
- Midamerican Energy
- Midwest Energy
- Minnesota Power
- Minnkota Power Coop
- Mississippi Power
- Missouri Public Service
- Montana Dakota Utilities
- MSE Power Systems, Inc.
- Municipal Electric Authority of Georgia
- MWH Americas
- Nagamine Okawa Engineers
- National Grid USA
- Navajo Tribal Utility Authority
- Nebraska Public Power District
- Nevada Power
- New Hampshire Electric Cooperative
- New Horizon Electric Cooperative
- New York Power Authority
- NYSEG
- Nolte Associates
- Northeast Missouri Electric Power Coop
- Northeast Utilities System
- Novak Engineering
- NSTAR Electric & Gas
- Oklahoma Gas & Electric
- Omaha Public Power District
- Orange and Rockland Utilities, Inc.
- Orlando Utilities Commission
- Otter Tail Power
- Ozarks Electric Coop
- P.W.C. of Fayetteville
- Pacific Gas & Electric
- Pacificorp
- Paul J. Ford and Company
- PAR Electric
- Parsons Energy
- Pathnet Inc.
- Patrick Engineering
- Patterson & Dewar Engineers, Inc.
- PBS & J
- PCSI
- Peak Power Engineering
- Pedernales Electric Coop
- PEPCO Holdings Inc
- Pettigrew & Associates
- Platte River Power Authority
- PNM Resources
- Portland General Electric- Transmission Reliability
- Power Consulting Assoc. LLC
- Power Delivery Associates
- Power Delivery Consultants
- Power Engineers
- Power Systems Design
- Power System Engineering
- PowerComm Engineering
- Power-Tech Engineers, Inc.
- PPL Electric Utilities
- Precision Systems Engineering
- Progress Energy
- Project Design Consultants
- Public Service Company of Colorado
- Public Service Company of New Mexico
- Public Service Electric & Gas
- Public Works Commission of Fayetteville
- Power System Engineering Inc.
- Powertech Engineering, LLC
- Puget Sound Energy
- R.C.P. Engineering
- R.W. Beck, Inc.
- R.W. Engineering
- R-Delta Engineers
- Raymond Professional Group
- Realtime Utility Engineers, Inc.
- Reliable Power Consultants
- Riverside, City of
- RMT Inc.
- Robert E. Nickerson, P.E.
- Rushmore Electric Power Coop
- RVW, Inc.
- SAE Towers Ltd.
- Salt River Project
- Saluda River Electric Coop
- San Diego Gas & Electric
- Sandia National Labs
- Santee Cooper
- Sargent & Lundy
- SArndt Inc.
- Savannah Electric
- SCANA
- Scarborough Engineering
- Schneider Engineering
- Seattle City Light
- Sega Inc.
- SGC Engineering, LLC
- SGS Engineering LLC
- Shaw Energy Delivery Services
- Sho-Me Power
- Sierra Pacific Power Company
- Snohomish County PUD
- S. Nelson & Associates
- South Carolina Electric & Gas Co.
- South Mississippi Electric Power Association
- South Texas Electric Coop
- Southern California Edison
- Southern Company Services
- Southern Engineering Company
- Southern Maryland Electric Coop
- Southwest Transmission Coop
- Spectrum Engineering
- Spectrum Engineering Resources
- Springfield Utility Board
- Springfield City Water Light & Power
- St. John Engineers, Inc.
- Stanley Consultants
- Stephen Rodick
- Substation Engineering Co
- Sulphur Springs Valley Electric Coop
- Sumter Electric Coop
- Synergetic Design
- T&D Engineers and Consultants
- Tackett Electric Co.
- Tacoma Power
- Tampa Electric Company
- Tasco Engineering
- Taylor Engineers
- Tdec-Enron
- Tennessee Valley Authority
- Terrapoint USA
- Texas New Mexico Power
- The Victor and Assoc. Inc.
- TLine Engineering
- Tor Engineering
- TranSource
- TRC Solutions
- Tri Sage Consulting
- Tri-Axis Engineering
- Tri-State G&T
- Tucson Electric Power Company
- Turlock Irrigation District
- TXU Electric Delivery
- Tyson Engineering
- U.S. Air Force
- Ulteig Engineers, Inc.
- United Illuminating
- Upper Peninsula Power
- URS Michigan
- Utilicorp United
- Utilimap Corp.
- Utility Line Design
- Utility Risk Management
- Valley Electric Association
- Vanderweil Engineers
- VECTREN
- Vermont Electric Power Company
- Wabash Valley Power Assoc
- Waldemar S. Nelson & Company, Inc.
- Washington Group
- Waukesha Electric Systems
- Wayahead Technologies
- West Plains Engineering
- Westar Energy
- Western Area Power Administration
- Western Farmers Electric Coop
- Wisconsin Public Service
- Wolverine Power Coop
- WorleyParsons Group
- Xcel Energy
UruguayVenezuela
- Asincro Ingenieros
- Avila y Leiro
- C.V.G. EDELCA
- Empresa KBT
- EPICE C.A.
- Mr. JOSE MARQUINA
- Sadeven Industrias
Vietnam
- Hochiminh City Power Company
Yemen
- Yemen Ministry of Electricity
Yugoslavia
Zambia
© 2008 Power Line Systems, Inc. All Rights Reserved.