|
Company Name
|
City
|
State/Province
|
Country
|
|
ABB Inc.
|
Guelph
|
Ontario
|
CANADA
|
|
ABB Inc.
|
Guelph
|
Ontario
|
CANADA
|
|
ABB Inc.
|
Varennes
|
Quebec
|
CANADA
|
|
ABB Inc.
|
Alamo
|
TN
|
USA
|
|
ABB Inc.
|
Alamo
|
TN
|
USA
|
|
ABB Inc.
|
Alamo
|
TN
|
USA
|
|
ABB Inc.
|
Jefferson City
|
MO
|
USA
|
|
ABB Inc.
|
Raleigh
|
NC
|
USA
|
|
ABB Inc.
|
Raleigh
|
NC
|
USA
|
|
ABB Inc.
|
Saint Louis
|
MO
|
USA
|
|
ABB Inc.
|
South Boston
|
VA
|
USA
|
|
ABB Inc.
|
South Boston
|
VA
|
USA
|
|
ABB Inc.
|
South Boston
|
VA
|
USA
|
|
ABB Inc.
|
South Boston
|
VA
|
USA
|
|
ABB Inc.
|
South Boston
|
VA
|
USA
|
|
ABB Inc.
|
St. Louis
|
MO
|
USA
|
|
ABB Secheron SA
|
CH-1211 Geneva 2
|
|
SWITZERLAND
|
|
Acme Electric
|
Rocky Mount
|
NC
|
USA
|
|
Acme Electric Corp.
|
Lumberton
|
NC
|
USA
|
|
ADAPT Corp.
|
Myerstown
|
PA
|
USA
|
|
AEP Central Power & Light
|
Corpus Christi
|
TX
|
USA
|
|
AK Steel Corporation
|
Middletown
|
OH
|
USA
|
|
Alstom T&D
|
Stafford
|
|
ENGLAND
|
|
Alstom T&D
|
Saint-Ouen
|
|
FRANCE
|
|
Alstom T&D
|
Rolesville
|
PA
|
USA
|
|
AMEESCO
|
Carmel
|
NY
|
USA
|
|
American Electric Power
|
Gahahnna
|
OH
|
USA
|
|
American Electric Power
|
Gahanna
|
OH
|
USA
|
|
Ansoft Corporation
|
Towanda
|
PA
|
USA
|
|
Arkansas Electric Cooperative
|
Little Rock
|
AZ
|
USA
|
|
Arteche
|
Hidalgo
|
|
MEXICO
|
|
Arteche
|
Querataro
|
|
MEXICO
|
|
ASE Productions, Inc.
|
Oklahoma City
|
OK
|
USA
|
|
Baron USA, Inc.
|
Cookeville
|
TN
|
USA
|
|
BAUR Prüf- und Messtechnik GmbH
|
Sulz
|
|
AUSTRIA
|
|
BC Hydro
|
Burnaby
|
British Columbia
|
CANADA
|
|
Beckwith Electric Co.
|
Tierra VErde
|
FL
|
USA
|
|
BGE
|
Baltimore
|
MD
|
USA
|
|
Black & Veatch
|
Independence
|
MO
|
USA
|
|
Black & Veatch
|
Olathe
|
KS
|
USA
|
|
Bonneville Power Administration
|
Vancouver
|
WA
|
USA
|
|
Bonneville Power Administration
|
Vancouver
|
WA
|
USA
|
|
Bonneville Power Administration
|
Vancouver
|
WA
|
USA
|
|
Carte International Inc.
|
Winnipeg
|
Manitoba
|
CANADA
|
|
Central Moloney, Inc
|
Pine Bluff
|
AR
|
USA
|
|
Central Moloney, Inc
|
Pine Bluff
|
AR
|
USA
|
|
Central Moloney, Inc.
|
PINE BLUFF
|
AR
|
USA
|
|
C-K Composites
|
Mount Pleasant
|
PA
|
USA
|
|
ComEd
|
Oakbrook Terrace
|
IL
|
USA
|
|
ComEd
|
Oakbrook Terrace
|
IL
|
USA
|
|
ComEd
|
Oakbrook Terrace
|
IL
|
USA
|
|
ComEd
|
Oakbrook Terrace
|
IL
|
USA
|
|
Consolidated Edison
|
New York
|
NY
|
USA
|
|
Consultant
|
Graz
|
|
AUSTRIA
|
|
Consultant
|
Toronto
|
Ontario
|
CANADA
|
|
Consultant
|
Edinburgh
|
|
UK
|
|
Consultant
|
Chicago
|
IL
|
USA
|
|
Consultant
|
Goldsboro
|
NC
|
USA
|
|
Consultant
|
Marlton
|
NJ
|
USA
|
|
Consultant
|
New Castle
|
PA
|
USA
|
|
Consultant
|
New Orleans
|
LA
|
USA
|
|
Consultant
|
North Conway
|
NH
|
USA
|
|
Consultant
|
Palm Harbor
|
FL
|
USA
|
|
Consultant
|
Spicewood
|
TX
|
USA
|
|
Consultant
|
Spring Hill
|
FL
|
USA
|
|
Cooper Power Systems
|
Franksville
|
WI
|
USA
|
|
Cooper Power Systems
|
Lumberton
|
MS
|
USA
|
|
Cooper Power Systems
|
Waukesha
|
WI
|
USA
|
|
Cooper Power Systems
|
Waukesha
|
WI
|
USA
|
|
Cooper Power Systems
|
Waukesha
|
WI
|
USA
|
|
Cooper Power Systems
|
Waukesha
|
WI
|
USA
|
|
Copper Development Assoc. Inc.
|
New York
|
NY
|
USA
|
|
Copper Development Assoc. Inc.
|
Weston
|
MA
|
USA
|
|
Corimpex International Inc.
|
Toronto
|
Ontario
|
CANADA
|
|
Cutler-Hammer
|
Greenwood
|
SC
|
USA
|
|
Delaware Electric
|
Greenwood
|
DE
|
USA
|
|
Delta Star, Inc.
|
Lynchburg
|
VA
|
USA
|
|
Delta Star, Inc.
|
San Carlos
|
CA
|
USA
|
|
Delta Star, Inc.
|
San Carlos
|
CA
|
USA
|
|
Detroit Edison
|
Detroit
|
MI
|
USA
|
|
Diagnostic Devices Inc.
|
New Britain
|
CT
|
USA
|
|
Doble Engineering
|
Marlborough
|
MA
|
USA
|
|
Doble Engineering
|
Marlborough
|
MA
|
USA
|
|
Doble Engineering
|
Watertown
|
MA
|
USA
|
|
Doble Engineering
|
Watertown
|
MA
|
USA
|
|
Doble Engineering
|
Watertown
|
MA
|
USA
|
|
DOE
|
Washington
|
DC
|
USA
|
|
Dominion
|
Richmond
|
VA
|
USA
|
|
Dow Corning Corp
|
Midland
|
MI
|
USA
|
|
Duke Energy
|
Charlotte
|
NC
|
USA
|
|
Duke Power
|
Charlotte
|
NC
|
USA
|
|
DuPont
|
Hendersonville
|
TN
|
USA
|
|
DuPont
|
Richmond
|
VA
|
USA
|
|
DuPont
|
Richmond
|
VA
|
USA
|
|
Dynamic Ratings
|
Hartland
|
WI
|
USA
|
|
Efacec Energia, S.A.
|
S. Mamede De Infesta
|
|
PORTUGAL
|
|
EFACED Energia, S.A.
|
S. Mamede de Infesta
|
|
PORTUGAL
|
|
EHV Weidmann
|
St. Johnsbury
|
VT
|
USA
|
|
ELCO Industries Ltd.
|
Ramat Hasharon
|
|
ISRAEL
|
|
ELCO Industries Ltd.
|
Ramat-Hasharon
|
|
ISRAEL
|
|
Electronic Technology Inc.
|
Irvington
|
NJ
|
USA
|
|
Entergy
|
New Orleans
|
LA
|
USA
|
|
Entergy
|
New Orleans
|
LA
|
USA
|
|
Entergy
|
New Orleans
|
LA
|
USA
|
|
EPRI
|
Palo Alto
|
CA
|
USA
|
|
EPS
|
Wheeling
|
WV
|
USA
|
|
ERMCO
|
Dyersburg
|
TN
|
USA
|
|
ERMCO
|
Dyersburg
|
TN
|
USA
|
|
ERMCO
|
Dyersburg
|
TN
|
USA
|
|
ERMCO
|
Dyersburg
|
TN
|
USA
|
|
FAA
|
Oklahoma City
|
OK
|
USA
|
|
Finley Engineering Company, Inc.
|
Lamar
|
MO
|
USA
|
|
FirstEnergy Corp.
|
Akron
|
OH
|
USA
|
|
FirstEnergy Corp.
|
Akron
|
OH
|
USA
|
|
Florida Power & Light
|
Juno Beach
|
FL
|
USA
|
|
FPL
|
Jupiter
|
FL
|
USA
|
|
Ga. Tech./ NEETRAC
|
Forest Park
|
GA
|
USA
|
|
Galloway Transformer Tech. LLC
|
Jefferson City
|
MO
|
USA
|
|
GE Prolec
|
Apodaca, Nuevo Leon
|
|
MEXICO
|
|
General Electric
|
Ft. Wayne
|
IN
|
USA
|
|
General Electric
|
Rome
|
GA
|
USA
|
|
General Electric
|
Somersworth
|
NH
|
USA
|
|
Georgia Power Company
|
Atlanta
|
GA
|
USA
|
|
Hager Consulting
|
Ramona
|
CA
|
USA
|
|
Hammond Power Solutions Inc.
|
Guelph
|
Ontario
|
CANADA
|
|
Harlow Engineering Associates
|
Mentone
|
AL
|
USA
|
|
Hartford Steam Boiler Insurance
|
Hartford
|
CT
|
USA
|
|
HDR Engineering, Inc.
|
Omaha
|
NE
|
USA
|
|
HICO America
|
Pittsburgh
|
PA
|
USA
|
|
H-J Enterprises
|
High Ridge
|
MO
|
USA
|
|
H-J Enterprises, Inc.
|
St Louis
|
MO
|
USA
|
|
H-J International, Inc.
|
St Louis
|
MO
|
USA
|
|
Howard Industries, Inc.
|
Laurel
|
MS
|
USA
|
|
Howard Industries, Inc.
|
Laurel
|
MS
|
USA
|
|
Howard Industries, Inc.
|
Laurel
|
MS
|
USA
|
|
Howard Industries, Inc.
|
Laurel
|
MS
|
USA
|
|
Howard Industries, Inc.
|
Laurel
|
MS
|
USA
|
|
HSB
|
Auburn
|
KS
|
USA
|
|
HSP Hochspannungsgeräte Porz GmbH
|
Cologne
|
|
GERMANY
|
|
Hughes & Associates
|
Fort Worth
|
TX
|
USA
|
|
HV Technologies Inc.
|
Manassas
|
VA
|
USA
|
|
HV Technologies Inc.
|
Manassas
|
VA
|
USA
|
|
Hydro-Québec
|
Montréal
|
|
CANADA
|
|
Hydro-Québec
|
Montréal
|
Quebec
|
CANADA
|
|
Hydro-Québec
|
VARENNES
|
Quebec
|
CANADA
|
|
Instrument Transformers, Inc.
|
Clearwater
|
FL
|
USA
|
|
Interllpower Australia
|
Melbourne, Victoria
|
|
AUSTRALIA
|
|
J Melanson, Inc.
|
Conroe
|
TX
|
USA
|
|
JAT Services Inc.
|
Halifax
|
VA
|
USA
|
|
JMX Services Inc.
|
Fayetteville
|
GA
|
USA
|
|
JWH Group Inc.
|
Peninsula
|
OH
|
USA
|
|
Kuhlman Electric Corp.
|
Crystal Springs
|
MS
|
USA
|
|
Kuhlman Electric Corp.
|
Crystal Springs
|
MS
|
USA
|
|
Kuhlman Electric Corp.
|
Crystal Springs
|
MS
|
USA
|
|
Kuhlman Electric Corp.
|
Versailles
|
KY
|
USA
|
|
Kuhlman Electric Corp.
|
Versailles
|
KY
|
USA
|
|
Ky. Assoc. Of Electric Coops.
|
Louisville
|
KY
|
USA
|
|
Lapp Insulator Company
|
Le Roy
|
NY
|
USA
|
|
Lapp Insulator Company
|
LeRoy
|
NY
|
USA
|
|
Lapp Insulator Company
|
LeRoy
|
NY
|
USA
|
|
Lapp Insulator Company
|
LeRoy
|
NY
|
USA
|
|
Luxtron Corporation
|
Santa Clara
|
CA
|
USA
|
|
Luxtron Corporation
|
Santa Clara
|
CA
|
USA
|
|
Manitoba Hydro
|
Winnipeg
|
Manitoba
|
CANADA
|
|
Mass Sensors, Inc.
|
St. Louis
|
MO
|
USA
|
|
Measurement Canada
|
Ottawa
|
Ontario
|
CANADA
|
|
Mitsubishi Elect. Power Products, Inc.
|
Warrendale
|
PA
|
USA
|
|
MLG&W
|
Memphis
|
TN
|
USA
|
|
Monash University, Australia
|
Clayton, Victoria
|
|
AUSTRALIA
|
|
Nashville Electric Service
|
Nashville
|
TN
|
USA
|
|
National Electric Power Authority
|
ABUJA
|
|
NIGERIA
|
|
National Electric Power Authority
|
ABUJA
|
|
NIGERIA
|
|
National Electric Power Authority
|
ABUJA
|
|
NIGERIA
|
|
National Electric Power Authority
|
ABUJA
|
|
NIGERIA
|
|
National Grid
|
Surrey
|
|
UK
|
|
National Research Council Canada
|
Ottawa
|
Ontario
|
CANADA
|
|
Nebraska Public Power District
|
York
|
NE
|
USA
|
|
NEMA
|
Rosslyn
|
VA
|
USA
|
|
New York State Electric & Gas Corp.
|
Binghamton
|
NY
|
USA
|
|
Niagara Transformer Corporation
|
Buffalo
|
NY
|
USA
|
|
NIST
|
Gaithersburg
|
MD
|
USA
|
|
NxtPhase Corporation
|
Vancouver
|
British Columbia
|
CANADA
|
|
NxtPhase Corporation
|
Winnipeg
|
Manitoba
|
CANADA
|
|
Ohio Transformer
|
Palmetto
|
FL
|
USA
|
|
Ohio Transformers (S.D. Myers)
|
Louisville
|
OH
|
USA
|
|
Oklahoma Gas & Electric Co.
|
Oklahoma City
|
OK
|
USA
|
|
Olsun Electrics Corporation
|
Richmond
|
IL
|
USA
|
|
Oncor
|
Ft. Worth
|
TX
|
USA
|
|
Ontario Power Generation, Inc.
|
Toronto
|
Ontario
|
CANADA
|
|
Ontario Power Generation, Inc.
|
Toronto
|
Ontario
|
CANADA
|
|
Passoni Villa
|
Houston
|
TX
|
USA
|
|
Pauwels Canada Inc.
|
Winnipeg
|
Manitoba
|
CANADA
|
|
Pauwels Transformers
|
Washington
|
MO
|
USA
|
|
PECO Energy
|
Berwyn
|
PA
|
USA
|
|
PEMCO Corp
|
Bluefield
|
VA
|
USA
|
|
Pennsylvania Transformer
|
canonsburg
|
PA
|
USA
|
|
Pennsylvania Transformer
|
canonsburg
|
PA
|
USA
|
|
Pennsylvania Transformer
|
canonsburg
|
PA
|
USA
|
|
PEPCO
|
Washington
|
DC
|
USA
|
|
Perco Transformer Engineering
|
Stoney Creek
|
Ontario
|
CANADA
|
|
Phenix Technologies Inc.
|
Swanton
|
MD
|
USA
|
|
Potomac Electric Power Co.
|
Washington
|
DC
|
USA
|
|
Power Asset Recovery Corp.
|
Lanton
|
OH
|
USA
|
|
Power Delivery Consultants, Inc.
|
Ballston Spa
|
NY
|
USA
|
|
Power Equipment Specialists, Inc.
|
Wheatridge
|
CO
|
USA
|
|
PowerAmp Corporation
|
Fremont
|
CA
|
USA
|
|
PPL Electric Utilities
|
Allentown
|
PA
|
USA
|
|
Progress Energy - Florida
|
Lake Mary
|
FL
|
USA
|
|
Progress Energy-CP&L
|
Raleigh
|
NC
|
USA
|
|
Prolec GE
|
Apodaca, N. L.
|
|
MEXICO
|
|
Prolec GE
|
Apodaca, NL
|
|
MEXICO
|
|
Prolec GE
|
Apodaca, Nuevo Leon
|
|
MEXICO
|
|
Prolec GE
|
Apodara
|
|
MEXICO
|
|
PSE&G
|
Newark
|
NJ
|
USA
|
|
PSE&G
|
Newark
|
NJ
|
USA
|
|
Public Service E&G Company
|
Newark
|
NJ
|
USA
|
|
Public Works Commission
|
Fayetteville
|
NC
|
USA
|
|
Quality Services Laboratories
|
Levittown
|
PA
|
USA
|
|
Quality Switch
|
Newton Falls
|
OH
|
USA
|
|
R.E. Uptegraff Mfg. Co.
|
Scottdale
|
PA
|
USA
|
|
Reinhausen Manufacturing Inc
|
Humboldt
|
TN
|
USA
|
|
Reinhausen Manufacturing Inc.
|
Humboldt
|
TN
|
USA
|
|
Reuel Inc.
|
Goldsboro
|
NC
|
USA
|
|
Richards Mfg. Co.
|
Irvington
|
NJ
|
USA
|
|
Ritz Instrument Transformers, Inc.
|
Waynesboro
|
GA
|
USA
|
|
San Diego Gas & Electric
|
San Diego
|
CA
|
USA
|
|
Schneider Electric
|
San Diego
|
CA
|
USA
|
|
Seattle City Light
|
Seattle
|
WA
|
USA
|
|
Serveron Corporation
|
Hillsboro
|
OR
|
USA
|
|
Serveron Corporation
|
Hillsboro
|
OR
|
USA
|
|
Siemens
|
Nuremberg
|
|
GERMANY
|
|
Siemens
|
Jackson
|
MS
|
USA
|
|
Siemens
|
Wendell
|
NC
|
USA
|
|
Siemens Ltda.
|
Sao Paulo
|
|
BRAZIL
|
|
Smit Transformers
|
Nijmegen
|
|
NETHERLANDS
|
|
Southern California Edison
|
Alhambra
|
CA
|
USA
|
|
Southern California Edison
|
Alhambra
|
CA
|
USA
|
|
Southern California Edison
|
Westminster
|
CA
|
USA
|
|
Southern California, Edison
|
Westminster
|
CA
|
USA
|
|
Southern Company
|
Birmingham
|
AL
|
USA
|
|
Southern Company
|
Birmingham
|
AL
|
USA
|
|
Southwest Electric Company
|
Bradenton
|
FL
|
USA
|
|
Southwest Electric Company
|
Brentwood
|
TN
|
USA
|
|
Southwest Electric Company
|
Clinton
|
OH
|
USA
|
|
Southwest Electric Company
|
Houston
|
TX
|
USA
|
|
Southwest Electric Company
|
Oklahoma City
|
OK
|
USA
|
|
Southwest Electric Company
|
Oklahoma City
|
OK
|
USA
|
|
Southwest Electric Company
|
Oklahoma City
|
OK
|
USA
|
|
Southwest Electric Company
|
Oklahoma City
|
OK
|
USA
|
|
Southwest Electric Company
|
Oklahoma City
|
OK
|
USA
|
|
Square D
|
Charlotte
|
NC
|
USA
|
|
Square D
|
Monroe
|
NC
|
USA
|
|
SRP
|
Gilbert
|
AZ
|
USA
|
|
T & R Service Company
|
Colman
|
SD
|
USA
|
|
Tamini Transformers
|
Oak Brook
|
IL
|
USA
|
|
Teshmont Consultants Inc.
|
Winnipeg
|
Manitoba
|
CANADA
|
|
TJ|H2b Analytical Services
|
Sacramento
|
CA
|
USA
|
|
TM T&D
|
Kawasaki
|
|
JAPAN
|
|
Transformer Consulting Services
|
North Canton
|
OH
|
USA
|
|
Transformer Engineering Services
|
London
|
Ontario
|
CANADA
|
|
Transformer Solutions Inc.
|
Matthews
|
NC
|
USA
|
|
Trench Limited
|
Ajax
|
Ontario
|
CANADA
|
|
Trench Limited
|
Scarborough
|
Ontario
|
CANADA
|
|
Trench Limited
|
Scarborough
|
Ontario
|
CANADA
|
|
Trench Limited USA
|
Old Hickory
|
TN
|
USA
|
|
U.S. Transformer
|
Pocatello
|
ID
|
USA
|
|
Unifin International, Inc.
|
Dublin
|
OH
|
USA
|
|
Uptime Engineered Solutions
|
Durham
|
NC
|
USA
|
|
US Bureau of Reclamation
|
Denver
|
CO
|
USA
|
|
Utility Service Corporation
|
Huntsville
|
AL
|
USA
|
|
VA Tech Elin Transformers
|
Weiz
|
|
AUSTRIA
|
|
Vantico, Inc.
|
Brewster
|
NY
|
USA
|
|
VATech Ferranti-Packard
|
St. Catharines
|
Ontario
|
CANADA
|
|
VATech Ferranti-Packard
|
St. Catharines
|
Ontario
|
CANADA
|
|
VigiLink Corp
|
Oklahoma City
|
OK
|
USA
|
|
Warco, Inc.
|
Marthasville
|
MO
|
USA
|
|
Warco, Inc.
|
Marthasville
|
MO
|
USA
|
|
Waukesha Electric System
|
Waukesha
|
WI
|
USA
|
|
Waukesha Electric Systems
|
Goldsboro
|
NC
|
USA
|
|
Waukesha Electric Systems
|
Goldsboro
|
NC
|
USA
|
|
Waukesha Electric Systems
|
Milpitas
|
CA
|
USA
|
|
Waukesha Electric Systems
|
Waukesha
|
WI
|
USA
|
|
Weidmann Systems International
|
PRESCOTT
|
AZ
|
USA
|
|
Weidmann-ACTI Inc.
|
Sacramento
|
CA
|
USA
|
|
Weidmann-ACTI Inc.
|
Sacramento
|
CA
|
USA
|
|
Weidmann-ACTI, Inc.
|
Pittsburgh
|
PA
|
USA
|
|
Weidmann-ACTI, Inc.
|
Pittsburgh
|
PA
|
USA
|
|
Weschler Instruments
|
Coral Springs
|
FL
|
USA
|
|
ZTZ Services International, Inc
|
Coral Springs
|
FL
|
USA
|
