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A. Damiano & Company
Manufacturers and exporters of transmission and distribution materials.
http://www.adamiano.com/
AAA Acme General Electrical
Distributor of power transformers including Acme and GE.
http://www.electricalpowertransformer.com/
Acksen Ltd
Manufacturer of voltage loggers and voltage detectors for Electric Power Utilities and General Industry specializing in interruption loggers, voltage recorders, personal voltage alarms, non-contact voltage detection, live line (HV) detection, telemetry and magnetic field detection.
http://www.acksen.com
Acme Electric Corporation
Manufacturers transformers for power distribution applications and custom batteries and battery controls for aerospace applications. (Nasdaq: ACEE).
http://www.acmeelec.com/
AMES Impex Electicals Pvt. Ltd.
Manufacture cast resin, dry type resin imp regnated transformers with a capacity of up to 3000 KVA with a voltage level of 35 KV and below.
http://www.amesimpex.com
Applied Precision Ltd
Research, development and production of measuring devices for the electricity distribution industry . Products include automated test equipment for electricity meters, power analyzers and coulometry .
http://www.appliedp.sk/
Arteche Group
Manufacturer of outdoor and indoor intrumentation transformers, relays and protection relays, and substation integrated pretoection control. Product catalogs in PDF.
http://www.arteche.com/
Avator
Manufacture products related to power transmission such as organic insulators for high-tension transmission and high voltage cables. Argentina.
http://www.ubemo.com.ar/
Baco
Manufacture of domestic and industrial switchgear. From France.
http://www.baco.fr
Boddingtons Electrical Limited
Manufacturers of electrical safety products and electrical control and monitoring equipment.
http://www.boddingtons-electrical.com/
Brooks Manufacturing Company
Manufacturers distribution crossarms and transmission structure framing.
http://www.brooksmfg.com/
Cam Tran Transformers
Manufacturer and refurbish oil-filled distribution transformers for global utility/power corporations, and contractor/developers.
http://www.camtran.com/
Cardinal Pumps
Manufacturer of transformer oil valves, transfer oil pumps for transformers and re-manufactured pumps.
http://www.cardinalpumps.com/
CEE DEE Vacuum Equipment Pvt. Ltd. Incorporated
Manufacturer of oil filtration and purification equipment. From India.
http://www.ceedeevacindia.com/
COMEM S.p.a.
Manufacturer of epoxy resin components, accessories for oil insulated transformers, for distribution and power transformers. From Italy.
http://www.comem.it/
Critter Guard Inc.
Protect substations, transformers, and poles from squirrel caused power outages.
http://www.critterguard.org/
Crompton Greaves Ltd.
Designs and manufacturers electrical equipment to meet the requirements of electrical substations.
http://www.cglonline.com/
CTL Components
Manufacture of cable joints, cable splicing, cable splicing kits, cable connectors for high power and high voltage applications.
http://www.ctl-components.com/
Cupertino Electric
Offers total power, energy, and technology solutions, including on-site electric power generation and electrical infrastructure for critical use facilities.
http://www.cei.com
Dakota Transformer
Distribution transformers, high voltage transformers, single - three phase power transformers, transformer repair, buy and sell.
http://www.dakotatransformer.com/
Davico Industrial
Manufacture and cable ties, flexible conduit and fittings, terminal connectors.
http://www.davico-industrial.ltd.uk/
Dow Corning Electrical
Manufacturers silicone rubber, fluids, lubricants and sealants for electrical power applications.
http://www.dowcorning.com/electrical
Dow Corning: Power and Utilities Solutions
Manufacturers silicone rubber, fluids, lubricants and sealants for electrical power applications.
http://www.dowcorning.com/content/power/
Duraline
Manufacture of custom designed, heavy duty, submersible, IP68 Rated, crushproof, electrical distribution products.
http://www.jbn-duraline.com
Easun Reyrolle
Manufacturer of the key elements that go into a substation transformers, tapchangers, switchgear and power protection control and automation systems.
http://www.easunreyrolle.com
Eco Electrical Systems, Inc.
Manufacture of products that help prevent raptors, eagles, hawks, and animals from being electrocuted on high voltage power circuits.
http://www.ecoelectrical.com/
Edison Controls F.C.I
Manufacture a variety of products designed to indicate or locate faults on electrical utilities overhead or underground distribution circuits.
http://www.edconfci.com/
Elbi
Manufacturer of substations, disconnectors, silicone rubber insulators and surge arresters. From Yugoslavia.
http://www.ptt.yu/korisnici/e/l/elbi
ELCO Industries Ltd
Medium and large power transformers and mobile substations. Transformers from 10 mva to 800 mva and 69 kv to 500 kv. Mobile substations - to 230 KV and to 50+ MVA.
http://www.elco-ind.com/
The Electric Service Company
Emergency transformer replacement specialists. Manufacture new and rewind used transformers for high power applications.
http://www.electricservice.com/
Electro Industries
Manufacturers power monitoring, advanced power quality, revenue metering, substation data acquisition and control that is web based.
http://www.electroind.com/
Electro Mechanic Equipment Ltd.
Belgian manufacturer of medium voltage switchgear such as circuitbreakers, load switches and isolators, and related products: fuses, insulators, security equipment and power factor correction equipment.
http://www.eme.be/
ELMEK
Manufacturer of oil immersed and power transformer accessories; tap changer bushing, oil level indicator, relays and thermometers. From Turkey.
http://www.elmek.com.tr/
Emco Transformers Ltd.
Manufactures transformers, meters and SCADA products. Online line card, capability statement and PDF data sheets available for download.
http://www.emcoindia.com/
Engidesa
Manufacturer of operating position indicators for power transformers equipped with OLTC's.
http://www.engidesa.com/
Environmental Protection Services
Specializes in the installation, assembly, maintenance (including oil reclamation), and disposal of oil filled transformers.
http://www.epsonline.com
EquiSales Associates Inc.
Circuit breakers, transformers, power generation equipment and switch yards. Sales, installation and maintenance, new and refurbished equipment.
http://www.equisales.com/
FKI Energy Technologies
Manufacturer of equipment for the generation, transmission and distribution of electrical power. Includes generating machines, transformer, motor and switchgear.
http://www.fki-et.com/
FKI Hawker Siddeley
Manufacturer of switchgear.
http://www.fkiswitchgear.com
Georg Jordan Malaysia Sdn. Bhd.
Manufacture of epoxy insulators, bushings, and capacitive voltage detecting systems as well as tailor made solutions for the electrical switchgear industry.
http://www.jordan.com.my
GMG Engineering Ltd.
Manufacturer of electrical arc-proof metal clad switchgear and power distribution equipment.
http://www.gmgeng.com
GR Electrical Service, Inc.
Manufacturer of custom built switchgear, motor control panels, distribution boards and switchgear.
http://www.gr-electrical.co.uk/
Hawker Siddeley Switchgear Australia
Manufacture of distribution switchgear for up to 38KV.
http://www.hssaustralia.com
HICO America Sales and Technology, Inc.
Manufactures power transformers at voltages up to 765 kV and ratings to 2,000 MVA/bank.
http://www.hicoamerica.com/
Hivoltrans Electrical
Manufacture EHV grade instrument transformers up to 245 kV, DC isolation transformers and high voltage testing transformers.
http://www.hivoltrans.com
H-J International
Distributor of electrical components for the distribution, substation, power, and switchgear industry.
http://www.h-jinternational.com
Holec Holland N.V.
Manufacture medium and low-voltage switchgear systems and switchgear components.
http://www.holec.com
HPL Group
Manufacturers of electrical switchgear, metering and energy management equipment. From India.
http://www.hplindia.com/
HSP Hochspannungsgeraete Porz GmbH
Manufacturer of high voltage bushings and high voltage capacitors.
http://www.hspkoeln.de
IMS Meters
Manufacturer of electronic kilowatt-hour meters used for sub-metering electricity in multiple unit facilities such as marinas and apartments.
http://www.imsmeters.com/
Indisol Insulators
Makes electrical insulators in epoxy resin for up to 36 kV, includes low and medium tension insulators, bushings and capacitive voltage detection systems.
http://www.indisol.pt/
IPG Integrated Power PLC
Design, construction and operation of captive power plant worldwide.
http://www.ipg-power.com
IRG Power Systems
Manufacturer of components for electrical power systems equipment such as power generators, electric motors, transformers, switchgear, and related equipment.
http://irgpowersystems.com/
Joslyn Hi Voltage Corp.
Global supplier of power transmission and distribution equipment, substation and transmission equipment, featuring Fisher Pierce products.
http://www.joslynhivoltage.com/
K - Tech, Inc.
Electrical meters designed for deregulation. Capable of being both the billing meter and giving the customer access to billing data and power quality. Also analog and digital panel meters, transformers and transducers.
http://www.k-tech.com/
KEC International
Design manufacture and construction of turnkey projects for power transmission - voltages up to 800 kv.
http://www.kecrpg.com/
Keweenaw Power Systems, Inc.
Provide electrical power quality monitoring and analysis combining engineering, project management, and practical experience to design reliable power and control systems.
http://www.kpspq.com
Keystone Electrical Manufacturer Co.
Manufacture of protection and control switchboards and switchgear as well as power delivery accessory equipment including control buildings and mobile substations.
http://www.keystoneemc.com/
Kotsons Transformers
Manufacturer of power and distribution transformers, single phase, pole and pad mounted and custom designed manufacturing facility.
http://www.kotsons.com/
Larsen and Toubro Ltd. - Electrical and Electronics Division
Makers of switchgear products, metering and protection systems, medical equipment, petroleum dispensing pumps, control and automation systems.
http://www.LNTEBG.com/
L.C. Switchgear Ltd
Industrial switchgear, switchgear enclosures, fuses, contactors, control panels.
http://www.lcswitchgear.com/
LGI Energy Solutions
Provides software for controlling energy and utility facilities.
http://www.lgienergysolutions.com/
Lindsey Manufacturing Company
Designs and manufactures emergency restoration systems for power transmission lines operated by the electric utility industry.
http://www.lindsey-usa.com/
Manufacturing & Materials Technology (CSIR)
Manufactures a camera that will identify corona and surface discharges on high-voltage equipment under the brand name CoroCam.
http://www.corocam.com
Marcus Transformer
Manufactures dry type utility power transformers.
http://www.marcustransformer.com
Mardix
Packaged substations, LV switchgear.
http://www.mardix.co.uk/
Marsons Electricals Industries
Manufacturers of power transformers and distribution transformers. From India.
http://www.marsonselectricals.com/
Megacon
Manufacturer of electronic products for shipbuilding industries, marine, offshore or below sea applications, power generation and distribution, hospital operation rooms and emergency wards.
http://www.megacon.com
Mid-Central Electric
Manufacture of fixed load transformers for 7.2KV and 0.5 to 3.0 KVA.
http://www.midcentralelectric.com
Midel
An environmentally friendly, fire resistant, readily biodegradable, synthetic transformer oil.
http://www.midel.com/
Midwest Electrical Testing
Provides complete field services, maintain, inspect and test electrical power distribution equipment and system transformers, breakers, switchgear, relays and buses.
http://www.swgr.com/
Mileen Enterprises
Manufacturers of power distribution transformer, bushing metal parts, pressure relief valve From India.
http://www.mileen.com/
Morpac Industries, Inc.
Manufacturer for the electric utility industry. High voltage electrical switches, line stringing equipment, off road crawlers, stored energy operators and electric valve actuators.
http://www.morpac.com/
MVA Power Inc.
Specialised in detail design, manufacturing and supply of substation, tansmission lines and distributions lines for medium and high voltage.
http://www.mvapower.qc.ca/
Nach Engineering Pvt Ltd
India based manufacturer of transformer oil filtration and processing machines. Machine specs and photos.
http://www.nachengg.com/
Narindra Electricals
Manufacturers of distribution and power transformers for rating upto 5000kva and servo voltage stablizers for rating upto 2000kva capacity.
http://www.narindraelectricalsldh.freewebspace.com/
Neka Novin Co.,
Designer and manufacturer of low and medium voltage distribution and control switchgear panels, modular, withdrawable and fixed type, capacitor bank, freestand panel, wall mounted panel and busduct trunking.
http://www.nekanovin.com
Niagara Transformer Corporation
Manufacture transformers and reactor products of standard and custom design.
http://www.niagaratransformer.com/
Nisha Engineering Corporation
Manufacturer of transformer oil filters, oil test sets, and instruments for testing of oils. Based In India.
http://www.transformeroilfilter.com/
Norelco Electric Power Distribution
Manufacturer of low and medium voltage switchboards and substations with information on products, company and contacts. From Finland
http://www.norelco.fi/english/
Nu-Lec Industries
Specialises in the manufacture of reclosers and medium voltage switchgear.
http://www.nulec.com.au/
Ofil Ltd.
DayCor corona camera, a predictive maintenance tool for arcing, partial discharges and corona detection on insulators, substations and OHT lines.
http://www.daycor.com/
OHMIC Controls Pty Ltd
Manufactures short time, high current rating resistors for neutral earthing, resistance starting, harmonic filters, load banks and damping resistors, at high voltage and insulation levels.
http://www.ohmic.com.au/
Oregon Infrared LLC
Offers infrared imaging for substations and transmission lines with information on services, workshops, articles and contacts. Based in Portland, Oregon.
http://www.oregoninfrared.com/
Patton and Cooke Co.
Manufacturers of high voltage couplers and connectors.
http://www.pattonandcooke.com/
Petroflex, NA, Inc.
Manufactures high density polyethylene conduit, secondary electrical pedestals, composite crossarms, insulators, and accessories to the telecommunications, electrical utility, catv and data voice industries.
http://www.petroflexna.com/
Plastic Dip Moldings, Inc.
Manufacture of wildlife outage protectors for substations and power lines.
http://www.wildlifeoutageprotectors.com/
Polycast International
Manufacturer of custom epoxy components for transformer and switchgear applications.
http://www.polycast.mb.ca
Power Measurement Ltd.
Power meters for power, energy and power quality monitoring.
http://www.pwrm.com/
Power Technologies Inc.
Power system analysis, including consulting services, instrumentation, and software products.
http://www.pti-us.com/
Powergear Limited
Manufactures for IPBs and generator terminal enclosures.
http://www.powergearlimited.com/
Powerkontrol Australia Ltd
Designs and manufactures power distribution switchboards and control centers.
http://powerkontrol.com
Precision Trans-Elect Industries
Manufacturer of overhead line material, medium voltage switchgears and transmission hardware.
http://www.electoverhead.com/
Programma Electric ms
Develops, manufactures and markets test equipment and measuring instruments for the electrical power and telecom industry.
http://www.programma.se/
Protect Controls, Inc.
A custom manufacturer of turnkey power control buildings.
http://www.protectcontrols.com
PT. Asata Utama Electrical Industries.
Manufacturer of oil immersed transformer with highest voltage of 36 kv and maximum capacity is 10 mva. From Indonesia .
http://www.asata.com/
Quality Transformer and Electronics
Provide high quality and reliability transformers, power supplies and power distribution systems.
http://www.qte.com/
Reliable Power Meters
Manufacture of power monitoring and data management equipment as well as predictive maintenance software.
http://www.reliablemeters.com/
Remote Monitoring Systems Inc
Manufacturers underground cable fault technologies, and offers a range of products and services to improve system reliability.
http://cable-fault.com
Rse-Sierra,
Manufacturer of quality metal clad and metal enclosed switchgear, low voltage switchboards, commercial panelboards and motor control centers.
http://www.rse-sierra.com/
S&C Electric Co.
Provider of high-voltage switching and protection products, systems and services with information on products, services, educational programs, sales offices, and contacts.
http://www.sandc.com/
Schneider Electric Canada
Switchgear equipment and transformers, switchboards, programmable logic controllers, human machine interfaces, software, motion control servo drives, variable speed drives, energy management systems, ground fault and motor protection relays, emergency stopping devices, motor starters, and surge suppressors.
http://www.schneider-electric.ca/
SD Myers
Provides information and services to minimize unplanned outages and extend the life of transformers.
http://www.transformerconsultants.com/
Sediver
Manufacturer of insulators for transmission distribution lines, surge arresters and hollow cores.
http://www.sediver.fr
SensorLink
Develops and manufactures high voltage sensing instruments for the power utility industry including hotstick or line mounted amp, volt, ohm meters, temperature and power quality meters.
http://www.sensorlink.com/
Serveron
Turnkey substation transformer monitoring for reliability of transmission and distribution equipment.
http://www.serveron.com/
SESCO
Manufactures and services a variety of electrical transformers, including distribution, power, dry and oil transformers with information on products and contacts.
http://www.sesco-inc.com/
Shrink Polymer Systems
Produces heatshrink cable joints and terminations for all cable types up to 36kV.
http://www.shrinkpolymersystems.co.uk/
Shunde Lecong Electric Power Equipment Factory
Manufacture electric power switch cabinets and electric distribution components with information about the company, products, services and contacts.
http://www.china-qile.com/indexe.htm
Silidriel
Offers and descrbibes silicone coatings and devices to avoid high voltage insulator failures, particularly in high pollution zones.
http://www.silidriel.com/
SMIT Transformers
Manufactures power transformers with capability ranges up to 1000 MVA units with voltages up to BIL 1550 kV.
http://www.smitusa.com/
SNEMO
Substation monitoring and data management. Located in Quebec, site is in both French and English.
http://www.snemo.com/
Southland Electrical Supply
Offer new surplus and rebuilt motor starters, motor control centers, and circuit breakers.
http://www.southlandelectric.com/
Spike Tool
Manufacturers a safety device to prevent injury to linemen and cable maintenance personnel when cutting underground or hidden electric power cables.
http://www.spiketool.com/
Square D Company
Electrical control and distribution equipment company.
http://www.squared.com/
S&S Power Switchgear
Indian manufacturers and exporters of switchgear, vacuum circuit breakers, disconnectors, auto-reclosers, breakers, and ht and lt fuses.
http://www.sspower.com/
STL Stewart Transformers
Manufacturers of wound components up to 2.5MVA 33kV, including oil filled power, cast resin transformers, reactors and arc suppression coils. From UK.
http://www.stewart-transformers.co.uk/
Stroud Switchgear Ltd
Designs, manufactures, modifies and repairs switchgear and control panels.
http://www.stroud-switchgear.com
Summit Technology
Manufacturer a family of hand-held power quality analyzers, energy analyzers and power loggers that measure and record all many parameters of electrical power. Selectable in 7 languages.
http://www.summittechnology.com/
Switchgear & Instrumentation, Ltd.
Specializing in the design and manufacture of switchgear, motor control and power management systems.
http://www.switchgear.co.uk
T & R Electric
Distributor of new, rewound and reconditioned power and distribution transformers, voltage regulators and switchgear.
http://www.t-r.com/
Technical Services Diagnostics Inc.
Providing testing, startup and maintenance support to the utility and industrial markets.
http://www.technicaldiagnostic.com
Tekron International Ltd
Research, development and manufacture of GPS time clocks for electrical and telecommunications industries. Product guide and industry articles
http://www.tekroninternational.com
Tensor Resources Inc.
Consulting engineering company that provides electrical engineering expertise to the power transformer industry.
http://www.tensorresources.com
Tesla Transformers Ltd.
Manufacturers of distribution transformers, power transformers, unitized substations. From India.
http://www.teslatransformers.com/
TestSwitch
Space-saving switch for control and testing of power generation and distribution systems.
http://www.testswitch.com/
Toprank Corp.
Transmission and distribution substation equipment in Malaysia.
http://www.toprank.com.my/
TPR Resistors
UK manufacturer of industrial power resistors. Provides company profile, together with details of products and test facilities available.
http://www.tpr.co.uk/
Trans Field Electric
Manufacturers of transformers, resin cast, metering sets, potential transformers, oil cooled. From India.
http://www.transfieldelectric.com/
Transpower
Manufactures transformers and switchgear. From India.
http://www.transpowerindia.com/
Tucson Transformer and Apparatus
Manufacture of power distribution equipment and high voltage equipment for use in electrical power distribution systems.
http://www.tucsontransformer.com/
Tunisie Transformateurs SA
Manufacturers transformers up to 5000kva/36kv, oil immersed, cast resin, three phase, single pole and pad mounted.
http://www.ttransfo.com
Underwoods Engineered Products Ltd.
Design high availability power distribution systems for areas such as financial services, media, it, telecommunications, defence and continuous process industries offering online request form for details from their factory at Uxbridge Moor.
http://www.web-site-design.ndo.co.uk/
Utility Relay Company
Circuit breaker trip unit conversion kits for industrial switchgear.
http://www.utilityrelay.com/
VA TECH - Reyrolle ACP Limited
Manufacturer of protection and control equipment for the electricity industries around the world.
http://www.reyrolle-protection.com/
The Valley Group, Inc.
Transmission line monitoring equipment.
http://www.cat-1.com/
Viat Instruments Pvt.Lld.
Manufacture pressure relief devices, throttle valves and dehydrating silicagel breathers for power transformers.
http://www.viatin.com
Victor Insulators, Inc.
Manufacturer of high voltage insulators with information on the company, events, location, products and contacts.
http://victorinsulators.com
Voltamp Transformers Limited
Manufacturer of oil filled and dry type power and distribution transformers for generation, transmission and distribution of electrical energy.
http://voltamptransformers.com/
Ward Transformer Sales & Service, Inc.
Suppliers of new, reconditioned, rebuilt and emergency replacement transformers 10- 25000 kva dry type, pad mount and substation designs and custom voltages if required.
http://www.wardtransformer.com
Woodhead Industries, Inc.
Primarily engaged in the manufacture of devices for the control and distribution of electrical power for industry.
http://www.woodhead.com/
WT Henley
Manufactures a range of electrical equipment used throughout electrical supply distribution networks, from sub-station to the consumer.
http://www.wt-henley.com/
Zenith Controls, Inc.
Design, manufacture and marketing of power switching systems and controls.
http://www.zenithcontrols.com/
Zennaro Electrical Construction
Manufacturer of oil-filled distribution transformers (from 50 kVA to 3000 kVA/36 kV) and cast resin transformers (up to 3000 kVA/24 kV).
http://www.zennarotrafo.com
Zhongshan Taifeng Electric Co., Ltd
Manufacture electric current mutual inductor, voltage mutual inductor, distribution transformer and reactor, precision mutual inductor and a complete set of test device of mutual inductor.
http://www.gd-taifeng.com/
ZIV
Manufacturing of digital protection, control, metering, and communications, products for substations, power lines, and electrical power machines.
http://www.zivusa.com
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