Substation and Transmission

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» A. Damiano & Company - Manufacturers and exporters of transmission and distribution materials.
» AAA Acme General Electrical - Distributor of power transformers including Acme and GE.
» 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.
» ARTECHE Group - Manufacturer of instrument transformers, relays, and substation integrated.
» AVO Power Services, Inc. - Field service on power transformers and circuit breakers including testing, assembling, oil processing and leak repair.
» 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 a
» Acme Electric Corporation - Manufacturers transformers for power distribution applications and custom batteries and battery controls for aerospace applications. (Nasdaq: ACEE).
» Adhunik Power Systems Pvt. Ltd. - Provides both monitoring systems and engineering services to utilities and major users customers offering power conditioning, lightning and surge protection.
» Allbro Industries - Manufacturers insulation products for electrical switchgear and distribution transformers.
» Alstom T&D Protection & Control - Manufacture of protection, control, recording and monitoring systems for electrical transmission and distribution networks.
» Amptec Pty Ltd - Maintain, rewind, overhaul and sell distribution type power transformers.
» 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 .
» Arteche Group - Manufacturer of outdoor and indoor intrumentation transformers, relays and protection relays, and substation integrated pretoection control. Product catalogs in PDF.
» Ashok Transformers Pvt. Ltd. - Manufacturer of power and distribution station transformers, furnace and special purpose transformers up to 20 MVA. India.
» Avator Technology - Manufacture products related power transmission such as organic insulator for high-tension transmission and high voltage cables. From Argentina.
» B&B Transformer, Inc. - Remanufacture, recondition, repair of distribution transformers.
» Baco - Manufacture of domestic and industrial switchgear. From France.
» Bajeria Industries - Manufacturers of HRC fuses up to a breaking capacity of 80 KA. From India.
» Bitronics, Inc. - Manufactures substation electrical measurement instruments. Online line card and PDF application notes for download. Technical literature requires prior registration.
» Boddingtons Electrical Limited - Manufacturers of electrical safety products and electrical control and monitoring equipment.
» Brooks Manufacturing Company - Manufacturers distribution crossarms and transmission structure framing.
» CEE DEE Vacuum Equipment Pvt. Ltd. Incorporated - Manufacturer of oil filtration and purification equipment. From India.
» COMEM S.p.a. - Manufacturer of epoxy resin components, accessories for oil insulated transformers, for distribution and power transformers. From Italy.
» CTL Components - Manufacture of cable joints, cable splicing, cable splicing kits, cable connectors for high power and high voltage applications.
» Cam Tran Transformers - Manufacturer and refurbish oil-filled distribution transformers for global utility/power corporations, and contractor/developers.
» Cardinal Pumps - Manufacturer of transformer oil valves, transfer oil pumps for transformers and re-manufactured pumps.
» Critter Guard Inc. - Protect substations, transformers, and poles from squirrel caused power outages.
» Crompton Greaves Ltd. - Designs and manufacturers electrical equipment to meet the requirements of electrical substations.
» Crossarm, Inc. - Manufacturers of composite polymer products for the power distribution industry.
» Cupertino Electric - Offers total power, energy, and technology solutions, including on-site electric power generation and electrical infrastructure for critical use facilities.
» DAE Instruments - Developer and manufacturer of industrial electronic systems for electrical switchgear, specializing in metering, protection and control for the energy service industry.
» Dakota Transformer - Distribution transformers, high voltage transformers, single - three phase power transformers, transformer repair, buy and sell.
» Davico Industrial - Manufacture and cable ties, flexible conduit and fittings, terminal connectors.
» Dow Corning Electrical - Manufacturers silicone rubber, fluids, lubricants and sealants for electrical power applications.
» Dow Corning: Power and Utilities Solutions - Manufacturers silicone rubber, fluids, lubricants and sealants for electrical power applications.
» Duraline - Manufacture of custom designed, heavy duty, submersible, IP68 Rated, crushproof, electrical distribution products.
» 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.
» ELMEK - Manufacturer of oil immersed and power transformer accessories; tap changer bushing, oil level indicator, relays and thermometers. From Turkey.
» Easun Reyrolle - Manufacturer of the key elements that go into a substation transformers, tapchangers, switchgear and power protection control and automation systems.
» Eco Electrical Systems, Inc. - Manufacture of products that help prevent raptors, eagles, hawks, and animals from being electrocuted on high voltage power circuits.
» Edison Controls F.C.I - Manufacture a variety of products designed to indicate or locate faults on electrical utilities overhead or underground distribution circuits.
» Elbi - Manufacturer of substations, disconnectors, silicone rubber insulators and surge arresters. From Yugoslavia.
» Electro Industries - Manufacturers power monitoring, advanced power quality, revenue metering, substation data acquisition and control that is web based.
» 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.
» Electronic Lineman - Offers online programs that are easy to use electrical, static and dynamic calculators, plus definitions for the operational and construction field lineman.
» Emco Transformers Ltd. - Manufactures transformers, meters and SCADA products. Online line card, capability statement and PDF data sheets available for download.
» Engidesa - Manufacturer of operating position indicators for power transformers equipped with OLTC's.
» Environmental Protection Services - Specializes in the installation, assembly, maintenance (including oil reclamation), and disposal of oil filled transformers.
» EquiSales Associates Inc. - Circuit breakers, transformers, power generation equipment and switch yards. Sales, installation and maintenance, new and refurbished equipment.
» F & C Technologies - Manufacturers of transformer oil regeneration and purification equipment including stationary PCB decontamination.
» FKI Energy Technologies - Manufacturer of equipment for the generation, transmission and distribution of electrical power. Includes generating machines, transformer, motor and switchgear.
» FKI Hawker Siddeley - Manufacturer of switchgear.
» Frank Lill and Son Inc - Power plant installs, boiler, turbines, cogeneration, heat recovery steam generator.
» Fusegear Electric Ltd. - An iso company producing low and high voltage fusegear and switchgear, high tension fuses, vcb, load break switches for all applications.
» GE Syprotec - Gas in oil sensors for monitoring, diagnostics and optimization of transformer performance within substations. Products include the Hydran, Faraday TMCS and TNU and dissolved gas analysis DGA lab services.
» GMG Engineering Ltd. - Manufacturer of electrical arc-proof metal clad switchgear and power distribution equipment.
» GR Electrical Service, Inc. - Manufacturer of custom built switchgear, motor control panels, distribution boards and switchgear.
» 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.
» H-J International - Distributor of electrical components for the distribution, substation, power, and switchgear industry.
» HICO America Sales and Technology, Inc. - Manufactures power transformers at voltages up to 765 kV and ratings to 2,000 MVA/bank.
» HPL Group - Manufacturers of electrical switchgear, metering and energy management equipment. From India.
» HSP Hochspannungsgeraete Porz GmbH - Manufacturer of high voltage bushings and high voltage capacitors.
» Hawker Siddeley Switchgear - Manufacturers of distribution switchgear for a variety of applications.
» Hawker Siddeley Switchgear Australia - Manufacture of distribution switchgear for up to 38KV.
» Hivoltrans Electrical - Manufacture EHV grade instrument transformers up to 245 kV, DC isolation transformers and high voltage testing transformers.
» Holec Holland N.V. - Manufacture medium and low-voltage switchgear systems and switchgear components.
» IMS - Manufacturer of electronic kilowatt-hour meters for use in sub-metering multiple unit facilities.
» IMS Meters - Manufacturer of electronic kilowatt-hour meters used for sub-metering electricity in multiple unit facilities such as marinas and apartments.
» IPG Integrated Power PLC - Design, construction and operation of captive power plant worldwide.
» IRG Power Systems - Manufacturer of components for electrical power systems equipment such as power generators, electric motors, transformers, switchgear, and related equipment.
» 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.
» Jjohnson & Phillips Limited - Manufacturer of electrical distribution switchgear, transformers, sf-6 ring main units, vacuum circuit breakers and sub-stations. From Pakistan.
» Joslyn Hi Voltage Corp. - Global supplier of power transmission and distribution equipment, substation and transmission equipment, featuring Fisher Pierce products.
» 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.
» KEC International - Design manufacture and construction of turnkey projects for power transmission - voltages up to 800 kv.
» 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.
» 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.
» Kotsons Transformers - Manufacturer of power and distribution transformers, single phase, pole and pad mounted and custom designed manufacturing facility.
» Kwang Myung Electric Engineering Co., Ltd. - Manufacturer of low and medium voltage switchgear, protective relays and outdoor distribution equipment.
» L.C. Switchgear Ltd - Industrial switchgear, switchgear enclosures, fuses, contactors, control panels.
» LGI Energy Solutions - Provides software for controlling energy and utility facilities.
» 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.
» Lindsey Manufacturing Company - Designs and manufactures emergency restoration systems for power transmission lines operated by the electric utility industry.
» MVA Power Inc. - Specialised in detail design, manufacturing and supply of substation, tansmission lines and distributions lines for medium and high voltage.
» Manufacturing & Materials Technology (CSIR) - Manufactures a camera that will identify corona and surface discharges on high-voltage equipment under the brand name CoroCam.
» Marcus Transformer - Manufactures dry type utility power transformers.
» Mardix - Packaged substations, LV switchgear.
» Marsons Electricals Industries - Manufacturers of power transformers and distribution transformers. From India.
» Mediterranean Power Electric Ltd. - Manufacturing of switchgear for low voltage, medium voltage, distribution boards, street lighting equipment and power distribution.
» Megacon - Manufacturer of electronic products for shipbuilding industries, marine, offshore or below sea applications, power generation and distribution, hospital operation rooms and emergency wards.
» Mehanika Trbovlje d.d. - Manufactures overvoltage - surge arresters, high voltage fuse links, cable fittings, clamps, aerial bundle conductor equipment, safe work equipment on HV systems, insulators.
» Mid-Central Electric - Manufacture of fixed load transformers for 7.2KV and 0.5 to 3.0 KVA.
» Midel - Produced by M&I Materials. It is an environmentally friendly, fire resistant, readily biodegradable, synthetic transformer oil.
» Midwest Electrical Testing - Provides complete field services, maintain, inspect and test electrical power distribution equipment and system transformers, breakers, switchgear, relays and buses.
» Mileen Enterprises - Manufacturers of power distribution transformer, bushing metal parts, pressure relief valve From India.
» Monitoring System for Power Transformers - Offers a monitoring systems for power transformers with information on the system, networking, testimonials and contacts.
» Morpac Indistries, Inc. - Manufacturer for the electric utility industry. High voltage electrical switches, line stringing equipment, off road crawlers, stored energy operators and electric valve actuators.
» Multi-Component3 Inc. - Buys, sells, and refurbishes low and medium power electrical distribution equipment.
» Nach Engineering Pvt Ltd - India based manufacturer of transformer oil filteration and processing machines. Machine specs and photos.
» Narindra Electricals - Manufacturers of distribution and power transformers for rating upto 5000kva and servo voltage stablizers for rating upto 2000kva capacity.
» National Traders - Manufacturers of electrical and overhead line materials.
» 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.
» Nellany Electric Inc., - Refurbish used surplus power distribution units used under five years.
» Neo - Manufacture of equipment for electrical distribution and transmission networks. From Yugoslavia.
» Neo Electrical Equipment - Producers of equipment for electric-energy distribution and transmission networks including insulators, surge arresters, switchgear, fuse bases and transformer substations. From Yugoslavia.
» Niagara Transformer Corporation - Manufacture transformers and reactor products of standard and custom design.
» Ningbo Tongda Electric Apparatus Switches Factory - Manufactures high and low voltage switch equipment. From China.
» Nisha Engineering Corporation - Manufacturer of transformer oil filters, oil test sets, and instruments for testing of oils. Based In India.
» Norelco Electric Power Distribution - Manufacturer of low and medium voltage switchboards and substations with information on products, company and contacts. From Finland
» Nu-Lec Industries - Specialises in the manufacture of reclosers and medium voltage switchgear.
» Nu-Lec Industries Pty Ltd. - Specialises in the manufacture of medium voltage switchgear and the engineering of automation solutions.
» 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.
» Ofil Ltd. - Predictive maintenance tool for corona discharge inspection, arcing and partial discharges.
» Oregon Infrared LLC - Offers infrared imaging for substations and transmission lines with information on services, workshops, articles and contacts. Based in Portland, Oregon.
» P M Electronics - Manufacturer and exporters of world class power and distribution transformers. From India.
» PT. Asata Utama Electrical Industries. - Manufacturer of oil immersed transformer with highest voltage of 36 kv and maximum capacity is 10 mva. From Indonesia .
» Pacs Industries - Switchgear manufacturer of circuit breakers designed for generators, substations, transformers and power plants.
» Patton and Cooke Co. - Manufacturers of high voltage couplers and connectors.
» 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.
» Pingdingshan Tianying Group Co., Ltd. - Manufacturing high and ultra-high voltage switchgear equipment in China.
» Plastic Dip Moldings, Inc. - Manufacture of wildlife outage protectors for substations and power lines.
» Point Eight Power, Inc. - Manufacturer of custom switchgear for the offshore oil and gas market, marine, gasoline service stations, petrochemical and military applications.
» Polycast International - Manufacturer of custom epoxy components for transformer and switchgear applications.
» Power Measurement Ltd. - Power meters for power, energy and power quality monitoring.
» Power Technologies Inc. - Power system analysis, including consulting services, instrumentation, and software products.
» Powergear Limited - Manufactures for IPBs and generator terminal enclosure for clients both in India and the USA.
» Powerkontrol Australia Ltd - Designs and manufactures power distribution switchboards and control centers.
» Precision Trans-Elect Industries - Manufacturer of overhead line material, medium voltage switchgears and transmission hardware.
» Programma Electric ms - Develops, manufactures and markets test equipment and measuring instruments for the electrical power and telecom industry.
» Protect Controls, Inc. - A custom manufacturer of turnkey power control buildings.
» Quality Transformer and Electronics - Provide high quality and reliability transformers, power supplies and power distribution systems.
» Quick Industries, LLC. - Manufacturer of simple mechanical devices that directly attach to pole-mounted equipment and make switching operations a simple task.
» Racsan's Technologies - Manufacturers of high voltage stabilizers, power transformers, automatic voltage regulators, ups, cvt, isolation transformer, inverter and LT control panel.
» Reliable Power Meters - Manufacture of power monitoring and data management equipment as well as predictive maintenance software.
» Remote Monitoring Systems Inc - Manufacturers underground cable fault technologies, and offers a range of products and services to improve system reliability.
» Rowsons Transformers Pvt. Ltd. - Manufacturer of high voltage power transformers, oil cooled voltage stabilizer, switch gears and automatic voltage controller from India.
» Rse-Sierra, - Manufacturer of quality metal clad and metal enclosed switchgear, low voltage switchboards, commercial panelboards and motor control centers.
» 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.
» S&S Power Switchgear - Indian manufacturers and exporters of switchgear, vacuum circuit breakers, disconnectors, auto-reclosers, breakers, and ht and lt fuses.
» SD Myers - Provides information and services to minimize unplanned outages and extend the life of transformers.
» SESCO - Manufactures and services a variety of electrical transformers, including distribution, power, dry and oil transformers with information on products and contacts.
» SMIT Transformers - Manufactures power transformers with capability ranges up to 1000 MVA units with voltages up to BIL 1550 kV.
» SNEMO - Substation monitoring and data management. Located in Quebec, site is in both French and English.
» 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.
» 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 sto
» Sediver - Manufacturer of insulators for transmission distribution lines, surge arresters and hollow cores.
» 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.
» Serveron - Turnkey substation transformer monitoring for reliability of transmission and distribution equipment.
» Shahin Mafsal Co , - Producers of heat-shrinkable tube, surge arressters, cable logs, fiber optic closures, silicon insulators and tie wrap. From Iran.
» Shrink Polymer Systems - Produces heatshrink cable joints and terminations for all cable types up to 36kV.
» Shunde Lecong Electric Power Equipment Factory - Manufacture electric power switch cabinets and electric distribution components with information about the company, products, services and contacts.
» Siemens Power Transmission & Distribution Inc. - Manufactures power transmission and distribution equipment and energy service solutions for electric utilities and energy intensive industries.
» Silidriel - Offers and descrbibes silicone coatings and devices to avoid high voltage insulator failures, particularly in high pollution zones.
» Southern Transformer, Inc. - Offers dry type transformers for harsh environments and PCB direct replacements to specifications.
» Southland Electrical Supply - Offer new surplus and rebuilt motor starters, motor control centers, and circuit breakers.
» Spike Tool - Manufacturers a safety device to prevent injury to linemen and cable maintenance personnel when cutting underground or hidden electric power cables.
» Square D Company - Electrical control and distribution equipment company.
» Stroud Switchgear Ltd - Designs, manufactures, modifies and repairs switchgear and control panels.
» Substation Products Corporation - Substation supplier of structures and electrical equipment. Specialize in tube, beam, and lattice type structures.
» 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.
» Sunten - Dry-type transformer, dry-type reactor, small combined-type electric substation, combined-type transformer, and oil-filled transformers. From China.
» Switchgear & Instrumentation, Ltd. - Specializing in the design and manufacture of switchgear, motor control and power management systems.
» T & R Electric - Distributor of new, rewound and reconditioned power and distribution transformers, voltage regulators and switchgear.
» Technical Services Diagnostics Inc. - Providing testing, startup and maintenance support to the utility and industrial markets.
» Tekron Instruments - Manufacture of electronic time clocks for electrical and telecommunications industries with information about the manufacturer, company personnel, and contact details.
» Tensor Resources Inc. - Consulting engineering company that provides electrical engineering expertise to the power transformer industry.
» Tesla Transformers Ltd. - Manufacturers of distribution transformers, power transformers, unitized substations. From India.
» TestSwitch - Space-saving switch for control and testing of power generation and distribution systems.
» Testing Services Group - Provides electrical testing for the electric substation industry.
» The Electric Service Company - Emergency transformer replacement specialists. Manufacture new and rewind used transformers for high power applications.
» The Valley Group, Inc. - Transmission line monitoring equipment.
» Toprank Corp. - Transmission and distribution substation equipment in Malaysia.
» Trans Field Electric - Manufacturers of transformers, resin cast, metering sets, potential transformers, oil cooled. From India.
» Transelectric AB - Planned, built and supplied materials for installations in 70 countries for rural electrification.
» Transformers Search - Finds standard transformers from users specification. Profile and enquiry form.
» Transpower - Manufactures transformers and switchgear. From India.
» Tricon Controls Ltd. - Offers a wide range of products from LVAC distribution systems to HV substation protection and control equipment.
» Tucson Transformer and Apparatus - Manufacture of power distribution equipment and high voltage equipment for use in electrical power distribution systems.
» Tunisie Transformateurs SA - Manufacturers transformers up to 5000kva/36kv, oil immersed, cast resin, three phase, single pole and pad mounted.
» 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.
» Utility Relay Company - Circuit breaker trip unit conversion kits for industrial switchgear.
» Uttam (Bharat) Electricals Pvt. Limited. - Manufacturer of power distribution transformers from 16 KVA to 10000 KVA up to 11-22-33 KV class.
» VA TECH - Reyrolle ACP Limited - Manufacturer of protection and control equipment for the electricity industries around the world.
» Viat Instruments Pvt.Lld. - Manufacture pressure relief devices, throttle valves and dehydrating silicagel breathers for power transformers.
» Victor Insulators, Inc. - Manufacturer of high voltage insulators with information on the company, events, location, products and contacts.
» Voltamp Transformers Limited - Manufacturer of oil filled and dry type power and distribution transformers for generation, transmission and distribution of electrical energy.
» WT Henley - Manufactures an extensive range of electrical equipment used throughout electrical supply distribution networks, from sub-station to the consumer.
» 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.
» Whipp and Bourne - Manufacturers of distribution switchgear for a variety of applications. Products include a range of DC circuit breakers, switchgear and auto reclosers. Marine applications prominent.
» Woodhead Industries, Inc. - Primarily engaged in the manufacture of devices for the control and distribution of electrical power for industry.
» ZIV - Manufacturing of digital protection, control, metering, and communications, products for substations, power lines, and electrical power machines.
» Zenith Controls, Inc. - Design, manufacture and marketing of power switching systems and controls.
» Zennaro Electrical Contructions - Manufacturer of oil-filled distribution transformers (from 50 kVA to 3000 kVA/36 kV) and cast resin transformers (up to 3000 kVA/24 kV).
» 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.