- Amecon, Inc. - Manufacturer of magnetic components including chokes and coils, inductors, cores, filters, relays, transformers and ballasts, current sensors and instrumentation products.
- Actown Electrocoil, Inc. - Manufacturer of industrial coils and high voltage transformers.
- Regional Mfg. Specialists, Inc. - Manufacturer of transformers and inductors.
- Anla Technology Co., Ltd. - Manufacturer of surface mount wire wound EMC components, multilayer chip beads and inductors, SMD power inductors, line filter, choke coils, and SMT radial type coil.
- Richard Sumner Technology - Manufacture quality toroid products.
- Nuvotem Talema - Designer and manufacturer of toroidal transformers, chokes, and inductors, and other toroidal magnetic components.
- Thai Lin Radio Coil Mfy. Ltd. - Manufacturer of choke coils, EMI filters, inductors, power supplies, and transformers.
- Zion Electronic Services - Manufacturer of toroidal transformers and switching mode chokes.
- Tri Technology - Manufacturer of wound components including transformers, inductors and general coils, also offering surface mount PCB assembly service.
- CoreMaster International, Inc. - Manufacturer of soft magnetic cores.
- Wendeng Sanji Electronics Co., Ltd. - Vendor of degaussing coils, filters, transformers, chokes, coils, delay lines.
- Halo Electronics - Manufacturer of filters and transformer modules for networking and data communications applications.
- Tamura Europe - Manufacturers of transformers and inductors for all applications.
- Prem Magnetics Inc. - Maker of an extensive line of power and telephony transformers, inductors, and CRT display magnetics.
- Communication Associates - Manufacture electronic components for the CATV and telecommunications industry including transformers, chokes, wound magnetics, air coils, inductive, and magnetic components.
- AEM, Inc. - Manufacturer of ferrite beads, ferrite inductors, ceramic inductors, and high-reliability fuses.
- TSC Electronics, Ltd. - Manufacturer of inductors, chokes, coils, transformers, ferrites and magnetics, capacitors and EMI suppression modules.
- Reo Components - Supplier of components to the power electronics industry. Specialities are wound, inductive components, EMC filters and transformers.
- Pulse Engineering, Inc - Manufacturer of inductors and transformers for power supply and data communications applications.
- Ferroperm UK Ltd. - Specialized manufacturer of magnetic electronic components, including inductors, filters and transformers.
- Inductive Technologies, LLC - Manufacturer of surface mount transformers, inductors, pot core and common mode chokes, and coils.
- P.A. Electronics Corporation - Manufactures custom military and commercial magnetics. Manufactures and markets the Vernistat product line.
- Planar Magnetics Ltd - Planar Magnetics offers an expert, dedicated design and manufacturing resource for planar transformer technology and low profile ferrite components.
- Chirk Industry Co., Ltd. - Manufacturer of high voltage transformers, high voltage switching power supplies, negative ion generators, ozone generators, and electrostatic precipitators.
- Tabtronics Inc. - Manufacturer of custom electromagnetics. Transformers, coils and conductors, in low to mid volume.
- Polara Engineering - Manufacturer of delay lines and custom magnetic components such as inductors, air coils, pulse transformers and custom LC devices.
- Skot Transformers Ltd. - Manufacturer of power transformers, line reactors, chokes and power supplies which range from 3VA to over 3MVA. From UK.
- Para-Line Transformer Co., Inc. - Manufacturers of stock and custom transformers, chokes, and inductors.
- Kindrace - Manufacture of transformers, coils, chokes, power supplies and battery charges.
- Gold Seal Electronics Ltd - Manufacturer of toroidal transformers, chokes, inductors and other wound components. From UK.
- Integrity Technology Corporation - Manufacturer of telephone, modem and CCFL transformers, inductors and coils.
- Gowanda Electronics - Manufacturer of inductors, coils, transformers and chokes.
- Yasho Electric Works - Manufacturers of transformers, chokes and line reactors. From India.
- Voltech Instruments - Transformer test and power analysis equipment. Equipment for measuring inductance, capacitance, resistance, turns ratio, leakage, magnetising current, turns ratio, power, watts, harmonics and flicker.
- Talema Electronics Inc. - Manufacturer of toroidal inductors, transformers and toroidal engineering kits. Online line card and electrical and mechanical specifications.
- Hurricane Electronics Lab Inc. - Manufacturer of inductors, transformers, chokes, coils, current transformers, and filters for use in buck, boost, flyback, and sepic switch mode power supplies.
- HanYoung Electric - Manufacturer of HID ballast, HID lamp, industrial, fluorescent and neon transformers. From Korea.
- Transtek Magnetics - Manufacturer of transformers, coils, inductors for telecommunication and networking and power applications.
- V&F Transformer Corporation - Manufactures custom transformers in production quantities as well as toroid, linear, foil wrapped and chokes.
- Universal Microelectronics Co., Ltd. - Manufacturing transformers, power supplies, videophones, internet screen phones, ADSL modems / routers, fiber optical components and general contract manufacturing of electronic components.
- Coils Unlimited - Designers and manufacturers of custom and standard wound magnetics components.
- Wirebenders Manufacturing - Manufacture coils, transformers, and inductors.
- Anglia Transformers - Manufacturers of transformers, chokes and inductors to customer specifications. From UK.
- Electro Assemblies Corporation - Manufacturer of toroidal, laminated and ferrite magnetics.
- Bomag USA, LLC - Design and manufacturing of electromagnetic devices.
- EG Magnetic Technology - Manufacturer of inductors, filters, transformers and chokes suitable for datacom, telecom and power supply applications.
- Induktorindo - Manufacturer of inductive components in Indonesia.
- Jensen Transformers - Manufacturer of high-fidelity audio and specialty transformers. Good source of valuable technical information on the use of transformers.
- Cramer Magnetics - Manufacturer of transformers and inductors for linear and switchmode power up to 1KW.
- Xfmrs, Inc. - Manufacturer of transformers for data communications, audio and telecommunications.
- Midcom, Inc. - Manufacturer of telecommunications and power transformers and inductors.
- Electrical Power And Applications - E.P. & A nv - Electrical products for medium voltage and electrical equipment for port cranes.
- Ensign Corporation - Manufacturer of electronic transformers and adapters for industrial and commercial applications.
- CET Technology - Manufacturer of power, audio, and telecom transformers, inductors, chokes, toroids, linear and switching power supplies.
- Werner Schaffer Transformatoren GmbH & Co KG - Manufacturer of Transformers, Chokes and Coils
- Virtual Magnetics - Developer of virtual magnetics - Ingenieurbuero (engineer) Richard Bernauer develops inductive components, with an emphasis on planar transformers
- CT Magnetics - Source for power magnetics, transformers, chokes, coils for worldwide medical, communications, industrial and military industries
- Osec 2000 Transformers and Inductors - Manufacturer of custom transformers, chokes, inductors, and coils
- Minntronix Corporation - Manufacturer of transformers and inductors for telecom and power supply applications.
- Vs-Top Electronics Co., Ltd. - Manufacturer of magnetic components located in Mainland China.
- E & E Magnetic Products Ltd - Designs and manufactures transformers, noise filters and common mode chokes for broadband access, LAN and telecom applications.
- Santronics, Inc. - Designs and manufactures magnetic components, inductors, chokes, RF trimmers, and transformers. Design to compliance with spacings, insulation, dielectric strength per UL, CSA, and IEC standards.
- Rodon Products, Inc. - Custom coil winding. Transformers, inductors, self-supported, high-temperature, encapsulated. Prototyping, and high volume. Commercial and military/aerospace. Mil-I-45208A facility.
- Altran Corporation - Designs and manufacturers all varieties of transformers and inductors.
- Transera Electronics - Manufacturer of ignition coils, inductors, encapsulated transformers, charging inductors. Serving automotive, appliance and HVAC industries.
- Robison Electronics, Inc. - Encapsulation shells, component mounting insulators and specialty molded plastic items such as hybrid covers and mounting systems for magnetics.
- Aakash Electricials - Maker of small power transformers, coils, and power transformers. From India
- Zhuhai Alite Electronics Enterprise Co.,Ltd. - Manufacturer of switching and linear power transformers, line filter coil, choke coil and SMD transformers.
- Filtran, Ltd - Designer and manufacturer of magnetics, transformers, power supplies, filters, inductors and chokes for the telecommunications industry.
- Abc Taiwan Electronics - Manufacturer of inductive and magnetic components. From Taiwan.
- Hi-Tech Electronics - Maker of custom built transformers, solenoid coils and coil windings; contract assembly.
- Xiamen Coin Electronics Co., Ltd. - Manufacturer of magnetic products and switchmode power supplies from China. Products include transformers, inductors, line filters, current sensors, custom magnets and AC/DC & DC/DC converters.
- Payton Group - Payton develops magnetic components, with sales offices and plants in Israel, Europe, India, United States and the Far East. Manufacturer of both conventional and planar transformers, custom and off-shelf products available.
- ICE Components - Supplier of standard and custom passive magnetic components.
- Mitchell Electronics - A family business, owned, managed, and operated by 3 generations. Maker of custom transformers and inductors, emphasizes a personal touch.
- Radius Power - Manufacturer of power transformers and chokes, interconnect and cable assemblies
- Stroptel - Manufacturer of transformers, chokes, inductors and toroids to customer specifications. From Slovakia.
- Johnson Electric Coil - Designer and manufacturer of single, three phase, high voltage transformers and autotransformers.
- Magnum Transformer - Designer and manufacturer of 50/60 Hz power transformers, High Frequency magnetics, Planar Magnetics, and SMT Transformers.
- Leightner Electronics, Inc. - Designer and manufacturer of transformers, inductors & reactors for military, aerospace, oilfield (downhole),medical & commercial applications.
- EK Magnetics - Manufacturer of surface mount/through-hole transformers and inductors, common mode chokes, air coils, toroids, balun, solenoids, and magnetics components for the power and telecom industry.
- Cletronics Inc. - Manufacture and repair/replacement of custom magnetics.
- Coilmaster Electronics Co., Ltd. - Manufacturer of inductors: SMT power, wire wound, single and multilayer ceramic chip, wire wound ferrite, common mode chokes.
- Kaifa Optical and Magnetic components - Supplier of air coils, baluns, power inductors, chip inductors, transformers, self bonded coil, SMT or leaded. From China.
- AM Transformers - UK manufacturers and distributors of transformers and related products.
- Coin Electronics CO.,LTD - Manufacturer of switch mode power supplies, power transformers and filters. Compliance with ISO9001,UL,CE,GS,CCEE. Two sites. From China.
- Rotacional - Design and manufacture of custom and off-shelf transformers and inductors for the electronics industry. Prototyping and high volume magnetics for applications such as: telecom, xDSL, instrumentation and DC/DC converters.
- Nova Magnetics - Manufactures a wide range of transformers and inductors at facilities in Garland, Texas with manufacturing partnership in Mexico.
- MCI Transformer - Manufacturers of "off the shelf" type 50/60 hz transformers, PC and chassis types, Custom products. Toroids and High Frequency, drum core inductors, inductors, current sensors. UL,CSA,TUV recognized transformers.
- Empro Technology Corporation - Manufacturer transformers and SMD power inductors.
- Shenzhen Hongguangxin Electronic Co Ltd - Manufacturer of power transformers, and rechargeable lantern transformers in normal and SMD packages, and inductor coils.
- CineMag - Manufacturer of professional grade audio transformers and inductors.
- Helmut Penka Handelsvertretung - Represents manufacturer of inductive components such as toroidal transformers, chokes, push-pull converter, current transformers
- Taunus Transformatoren - Transformers to convert 100-120V to 220-240V etc. Designed to power equipment designed to run on international voltages using local power mains. Germany.
- Toroid International - Design and manufacture of high-performance toroidal transformers and chokes
- Precision, Inc. - Engineering-driven, high-tech manufacturer of custom and standard magnetic components.
- Parker Overseas - Designs, manufactures wound magnetic components for Electronics and Telecommunications.
- Audio Transformers Shinrock - Manufacturer of audio transformers for tube amplifiers. Technical information and formulas for design and measurement.
- Transformer & Electrical Co Ltd - Manufacturers of air and oil cooled transformers, chokes, and rectifier units, specializing in custom construction.
- Agelec Industrial transformers and inductors - Manufacturer of custom single and multi-phase power transformers from 1 to 4000KVA; chokes to 10KA for more than 50 years. Also makes specialty test transformers and reactors. Located in Grenoble, France.
- www.torotrans.com/ - Manufacturer of toroidal power and current transformers. Located in India.
- National Material LP Magnetic Materials Group - Technical and design information on soft magnetic materials used in the transformer and motor industry.
- Yuanxing Electronics Co, Ltd - Founded in 1998. Main products are: Current transformers, Voltage transformers, Clamp-on current transformers.
- Australian Tortech Transformers - Global manufacturer and distributor of toroidal and conventional transformers, chokes and plug packs located in Sydney, Australia.
- West Coast Magnetics - Manufacturer of power and RF magnetics including RF inductors, power inductors, current transformers, common mode chokes, switch mode transformers and 60 Hz transformers.
- Skandinavian Transformer Sp. z o.o. - Manufacturer of single and three phase transformers, reactors and coils with toroidal, EI, UI, 3UI and ferrite cores.
- SARAH Inc. - Design and manufacture of transformers for telecommunications, power, surge and noise suppression, constant voltage; inductors.
- Lion Electronics Ent. Co., Ltd. - Manufacturers and designs transformers, inductor, coils and chip beads.
- Aqsa Stamping - Manufacturer of transformer laminations: E&I, toroidal core. From India.
- 3LGlobal - Manufacturer of electronic components such as inductors, coils, and other magnetics.
- Villa Industrias - Manufacturer of transformers, EI and TL silicon steel laminations, HID and other ballasts.
- Coil Master Co., Ltd. - Manufacturer of Coils, Inductors and Magnets.
- Vanson Electronics Ltd - Manufacturer and exporter of battery charger, adaptor, power supplies, converters, transformers and batteries.
- Transformers Inc. - Coil Tran - Designer and manufacturer of custom transformers and inductors.
- Falco Electronics, Mexico - Manufacturer of PCB mountable transformers and inductors; common mode chokes, base/gate drive, EMI suppression, current sense, switchmode, DC/DC converters and xDSL.
- Transtech Mfg. Pvt. Ltd. - Manufacturers Of Low Tension Power Transformers, Stabilizers, UPS, Inverters, Rectifiers, Variacs. From India.
- kosed Corporation - Manufacturer of inductive reactors, noise isolation and transmission-line transformers, toroidal and specialty transfromers. From Korea.
- MaCoDe - Software package for magnetic component design. Free.
- Delta Transformer Co.,Inc. - Repairs and rebuilds resistance welder transformers.
- Procoil Enterprise Co., Ltd. - Manufacturer of power inductors, choke coils, transformers, EMI core, Mn-Zn and Ni-Zn cores and chip inductors. From Taiwan.
- Custom Magnetics - ISO 9001 approved supplier of custom wound transformers and coils.
- A1 transformers - Transformers made to order in days, from 1VA to 750KVA.
- Datatronic, Ltd. - Manufacturer of wirewound SMPS, power, gate drive, and current sense transformers, SMD inductors, inductors, chokes and RF magnetic components
- Suzhou Beita Electronic Appliance Factory - Manufacturer of transformers and inductors near Suzhou, China.
- NSOEM, Inc. - Electrical Transformers from 25 VA to 200 MVA, Liquid filled, Dry-Type and Cast Coil
- Canduct Industries Limited - Manufacturer of insulation components and cylinder kits for oil-filled electrical transformers.
- FELCO - The Forest Electric Company - Manufacturer of custom, specialty transformers.
- Sentran Corporation - Manufacturer of precision current transfomers and transducers, specializing in low phase shift.
- Transcendar Transformer Corp. - Manufacturer of transformers, inductors, and coils for power supplies and tube amplifiers; small printed circuit mount transformers to 10 KVA power transformers.
- New Delhi Laboratories Private Limited - A New Delhi, India based company specializing in preventive care of distribution transformers.
- Transformer Service Inc. - Offers testing, maintenance and repair services of electrical substation and distribution transformers.
- Electrohms Private Limited - Current, voltage transformers for metering and protection. XDSL, ISDN, LAN magnetics for telecom
- Oxford Electrical Products Ltd - UK based company, designs manufactures and markets wound components and power sources for the OEM electronics manufacturing sector.
- Ericon Transformers - Designs, manufactures Current and Voltage Transformers including Low Tension and High Tension types.
- Coil Tec Of Arizona, Inc. - Manufacturer of transformers, coils, inductors and chokes.
- Welkuan Precision Ind. Co. Ltd - Manufacturer of various transformer lamiantion, riveted parts, tooling design.
- GB International - Manufacturer of transformers, current sensors and inductors
- D&M's High Voltage, Inc. - Manufacture specialty single and three phase transformers - high current, high voltage, zig-zag, phase shifting, autotransformers, isolation, rectifier, inductors, reactors, saturable reactors, and AC/DC power supplies.
- Miracle Electronics - Manufacturer of toroidal, E&I, audio line and low-profile transformers.
- Trans Mag Corporation - Located in Lowell, Massachusetts, TransMag provides transformers, inductors and coils for the commercial, medical, military and high-reliability markets.
- Matsuta Company, Ltd. (MCL) - Manufactures many kinds of coils and transformers and chokes. Two locations in China: Dongguan and Zhongshan, more than 1000 workers.
- Huafeng Electronics - Transformer and ballast supplier located in China. Maker of toroidal, laminated EI and ferrite transformers.
- UV Electric - Maker of high-power electronic ballasts for driving high-power UV lamps used in curing and water and air disinfection applications
- Jerome Industries - Designer and manufacturer of standard agency approved and custom transformers. Standard units are housed in a thermoplastic enclosure. Units approved to international safety standards.
- CEML, Lda - Maker of ferrite, laminated and tororidal transformers. Located in Ovar, Portugal.
- Italtras - Italtras produces encapsulated, low profile, open transformers with ENEC mark, toroidal transformers with cURus mark (UL+ CSA), transformers in ferrite for electronic use, inductors, and three-phase transformers. Located in Saluzzo, Italy.
- Nanap And Company - Manufacturers of transformers for high voltage, power, single phase, three phase, and control applications. Also provide autotransformers, vacuum impregnated transformers, chokes and coils. Located in India.
- Ace Electronics - Designer and manufacturer of high frequency and low frequency filter coils, power transformers, current transformers, chokes, tuning coils and electronic ballasts. Located in India.
- Mitchell Transformers - Designers and manufacturers of heavy current water and air cooled transformers, DC chokes and AC reactors.
- American Magnetics Corp. - Designer and manufacturer of transformers, inductors, coils and related wound electromagnetic components 1 to 20KVA.
- Majestic Transformer Co. - Designs and manufacturer of custom built transformers, chokes up to 125kVA rating. Single phase and three phase.
- Read Controls - Distributor of transformers and inverters, based in the UK. Comelit authorized agent and distributor.
- Phase Quest - Maker of rotary and static converters to power 3-phase motors from a single phase line.
- Elettronica Rossoni - Maker of chokes and transformers, surface mount, driver, toroidal coils, mains filters, wound components, for lighting.
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