Coil Winding Companies

Based in Charlotte, NC, A&W Electric offers comprehensive transformer repair, rewinding, and testing services for industrial, municipal, and commercial dry-type and oil-filled units. They specialize in rewinding primary, secondary, and tertiary windings for transformers, inductors, chokes, and coils using modern insulation systems.

Based in Houston, TX, Amgis, LLC manufactures custom and standard toroidal transformers and high-frequency magnetic components. They offer medical isolation, split-phase, and auto transformers for various applications, serving industries like medical, data centers, industrial, and renewable energy.

Based in Chatsworth, CA, Asil Aerospace is an engineering and manufacturing company specializing in solutions for the aerospace, defense, and space industries. They offer a range of capabilities including precision machining, mechanical assembly, electrical assembly, custom cable and harness assembly, and crucial coil winding services.

Badger Magnetics, based in Milwaukee, WI, designs and manufactures custom electromagnetic coils, power transformers, chokes, and inductors. Specializing in quality wound products, they serve commercial, medical, industrial, and military applications for one-off, low, or medium volume needs. They also offer legacy product support.

Bradleys Inc., based in Gregory, TX, specializes in electric motor repair, rewind, and load testing services. The company provides motor winding and testing for small to ultra-large motors, handling units up to 50,000 HP. With over 90 years of industry experience, they offer comprehensive repair solutions.

Buckeye Electrical, a family-owned company established in 1995, provides coil winding services and custom electrical assemblies. Based in Botkins, OH, they also manufacture wire harnesses, cable assemblies, power cables, and offer box builds and refurbishment. They serve industrial, recreational, military, medical, and municipal industries.

Based in Tipp City, OH, Captor Corporation specializes in build-to-print and custom manufacturing of inductors and coils. They provide both manual and automated inductors and coils, offering precise winding capabilities for various industrial applications and electronic components.

Based in Benicia, CA, Custom Coils, Inc. specializes in designing, engineering, and manufacturing custom and specialty coil windings. They provide critical engineering support and turnkey solutions, serving industries such as medical device manufacturing and semiconductor equipment with high-performance electromagnet development.

Based in Bristol, CT, Classic Coil Company Inc. manufactures electronic coils in the USA. The company specializes in winding coils for industrial applications, including the Aerospace sector.

Based in Chino, CA, Custom Magnetics of California Inc. designs and manufactures high-quality, custom-built transformers. They provide precision-engineered solutions with advanced thermal management for critical applications, adhering to strict industry standards. Specializing in innovative transformer design, they serve demanding requirements.

Based in Cary, IL, Coilcraft is a global manufacturer of magnetic components, specializing in custom and standard inductors and transformers. They offer a wide range of coil-wound products for various industries, leveraging their expertise in designing and producing precision magnetics.

Based in El Paso, TX, Coiltec specializes in custom, quick-turn, high-quality form coils primarily for the electric motor industry. The company manufactures various coils and offers stator rewinding services, serving the needs of regional electric motor repair shops with its skilled craftsmen and equipment.

Based in Tacoma, WA, Polytech Coil Winding designs, prototypes, and manufactures custom air core and bobbin coils, handling systems from 50 AWG to 10 AWG. They provide reverse engineering and production services for diverse sectors including aviation, aerospace, medical research, telecommunications, and power generation.

Based in Orange, CA, CWS Coil Winding Specialist designs and manufactures custom inductors, transformers, chokes, and various magnetic and electromagnetic coils. They offer comprehensive custom winding and design services for power transformers, including surface mount, self-supported, and through-hole configurations. All products are RoHS compliant and lead-free.

Corona Magnetics Inc. is a manufacturer of standard and custom magnetic components, including inductors, transformers, common mode chokes, and current sense transformers. Based in Corona, CA, the company provides high-quality magnetics for diverse industries, utilizing processes like assembly, encapsulation, and testing for its coil-wound products.

Based in Alcester, SD, Custom Coils manufactures custom transformers, inductors, and other specialty magnetic components. They specialize in custom designed high voltage products and air coils, serving companies worldwide. The ISO 9001 certified company utilizes reliable manufacturing techniques in the USA.

Custom Wire Technologies specializes in precision custom wire coiling services, including fine wire coiling for minimally-invasive technologies. They handle wire sizes as small as .001″, expertly winding coils around mandrels. Capabilities encompass Nitinol coils, reinforcement coils, and compression springs for various applications.

Based in Warwick, RI, Delevan specializes in manufacturing custom magnetic components, including coil winding, inductors, chokes, and transformers. The company provides high-reliability products for aerospace, defense, medical, and industrial applications.

Dufrane Technologies, based in Winsted, CT, specializes in the design and manufacture of custom electrical coils and high-performance windings. They provide solutions for custom transformers, inductor coils, and toroid windings, offering services like build-to-print, reverse engineering, and contract manufacturing. They serve industrial and military-grade applications.

Electric Coil Service, Inc. manufactures replacement electric coils specifically designed for major industrial applications. The company emphasizes producing high-quality coils that consistently fit correctly and deliver expected performance, focusing on reliable service and on-time delivery for its clients.

Endicott Coil Company, Inc., based in Binghamton, NY, specializes in custom electric coil winding assemblies. They manufacture wound copper coils for transformers and solenoids, serving OEMs for over 70 years. From prototype to high-volume production, they cater to industrial, medical, and aerospace/defense sectors, with ISO 9001:2015 certification.

Based in Whittier, CA, Eurton Electric specializes in electric motor repair and components. They provide comprehensive coil winding services, including field coil and armature rewinding. Additional offerings include custom brush manufacturing, commutator restacking, and rotor balancing for diverse industrial electric motor applications.

Fenix Manufacturing Solutions provides ultra-fine coil winding services for various applications, including transformers, sensors, and medical microcoils. They offer extensive electronic manufacturing capabilities with a focus on tight tolerances and repeatable quality, built to customer specifications.

Based in Wylie, TX, General Transformer Corporation is an ISO 9001 certified OEM manufacturer with over 40 years of experience. They specialize in custom transformer and inductor design, providing cost-effective custom magnetics solutions from prototype to production for various OEM customers and markets.

Gowanda Electronics is a U.S.-based, vertically integrated manufacturer of precision-engineered electronic components. They specialize in high-quality, reliable inductors and transformers for demanding applications across military, aerospace, medical, and industrial sectors. Their services include design, engineering, prototyping, and testing of custom solutions.

Based in White Oak, TX, Great American Coil Inc. specializes in the manufacturing of various industrial and commercial coils. Their product line includes chilled beam coils, condenser coils, evaporator/DX coils, low-pressure steam coils, and hot & chilled water coils for diverse HVAC applications.

Based in Greenville, TX, Greenville Transformer Company specializes in custom dry-type transformer, reactor, and coil manufacturing. They serve the electrical industry with engineered solutions and products, leveraging decades of experience since 1974.

Based in Sacramento, CA, Herold & Mielenz, Inc. specializes in industrial motor rewind and repair services. They provide expertise in industrial motors & controls, industrial pumps, machine work, and field services for various commercial and industrial applications.

Based in Houston, TX, Houston Transformer Mach Shop specializes in the design and manufacturing of custom transformers, inductors, chokes, and various related magnetic devices. The company maintains high standards, focusing on customer satisfaction and excellence in this specialized field of magnetic component production.

Based in McAllen, TX, Industrial Coils LLC manufactures custom solenoid and electric coils wound to customer specifications. They provide prototype to high-volume production, using diverse winding equipment including automated systems. Capabilities include taped wrapped, molded coils, PCB components like transformers and chokes, and value-added assembly services.

Based in Anaheim, CA, Inductors Inc. is a dedicated manufacturer of high-quality custom inductive components. The company specializes in custom coil winding, transformer winding, and magnetic component design, providing solutions for various industrial applications from its US manufacturing facility.

Based in Garden Grove, CA, Inductor Supply, Inc. specializes in the design, manufacture, and supply of inductors, coils, chokes, and transformers. Serving the electronics community, the company provides standard and custom magnetic components, utilizing its global manufacturing resources to offer specialized solutions.

Based in Charlotte, NC, Jenkins Electric specializes in rewinding dry-type and oil-filled transformers to OEM specifications. They also build new autotransformers and manufacture specialty coils. The company provides electrical and mechanical repair services for motors and transformers, serving industrial clients.

Based in Antigo, WI, Johnson Electric Coil Company specializes in custom transformer and inductor solutions. They provide comprehensive design, engineering, and manufacturing services, ensuring product compliance. The company offers full support for various industrial applications, focusing on custom coil winding and electrical component expertise.

Based in San Antonio, TX, Maverick Coil manufactures high-quality, custom HVAC coils. The company offers responsive service and transparent communication, backed by over a decade of experience. They focus on delivering speed, reliability, and service to build lasting partnerships with clients.

Based in Salinas, CA, Magnetic Circuit Elements Inc. designs and manufactures miniature transformers, inductors, and chokes. They specialize in precision winding and magnetic circuit design, providing reliable custom and standard magnetic components for mission-critical applications. All products are US-made and rigorously tested.

Medicoil specializes in micro-precision coil winding and formed wire products for the medical device industry. Based in Lake Geneva, WI, the company provides medical device assemblies, laser ablation, and Swiss screw machining services. As a division of R&L Spring Company, Medicoil delivers custom, high-precision components to OEM clients.

MGM Transformers, based in Vernon, CA, manufactures dry-type transformers, a process inherently involving coil winding. They specialize in resin-impregnated windings, enhancing insulation, thermal, and mechanical properties. With over 50 years of experience, MGM serves data centers, manufacturing facilities, and industrial leaders across the power grid for power infrastructure solutions.

Based in Gardena, CA, MPS Industries, Inc. custom designs and manufactures magnetic components such as inductors, transformers, and common mode chokes. They provide tailored solutions, including reverse engineering services for obsolete parts, optimizing performance, size, and cost for diverse applications.

Based in Brownsville, TX, National Electric Coil specializes in high-voltage coil manufacturing, custom coil winding, and stator rewinding services. They provide comprehensive repair and maintenance for industrial and utility motors and generators, including AC/DC motor rewinds. The company offers essential solutions for large electrical machinery.

Based in Houston, TX, North Side Electric Motors provides comprehensive electrical apparatus repair, sales, and service. The company operates a state-of-the-art in-house facility equipped to perform all necessary repairs and scheduled maintenance, including expert coil winding and rewinding for various electrical equipment.

Based in Louisville, OH, OTC Services specializes in comprehensive transformer repair, remanufacturing, and field services. The company ensures reliable power distribution and extends the lifespan of critical power infrastructure. As part of the SGB-SMIT Group, OTC offers expert solutions for various transformer needs, including essential coil winding expertise.

Based in Palo Alto, CA, Palo Alto Electric Motor Corp. specializes in the repair, service, and parts for electric motors and pumps. They offer comprehensive motor rewinding and repair services for units up to 1,000HP, leveraging over 45 years of industry experience.

Based in Torrance, CA, PEL Manufacturing produces aluminum, wire, and plastic spiral coils for bookbinding applications. The company specializes in manufacturing durable, premium-quality planner spirals, serving major planner companies directly. They offer custom coil solutions and fast turnaround times to their B2B clientele.

Based in Visalia, CA, Power Electronics specializes in transformer rewinding, redesigning, and refurbishment for power, pad-mount, dry-type, and pole-mount units. They provide comprehensive in-shop and in-field testing, maintenance, and new transformer sales. Serving California and the West Coast, their solutions adhere to NETA standards.

Based in Johnsburg, IL, Prem Magnetics manufactures power transformers, electrical transformers, inductors, and coils. The company specializes in custom coil winding and related magnetic components, producing all its products in the USA for various industrial applications.

Based in Wichita, KS, PWI, Inc. provides precision coil winding services with over 50 years of experience. The company manufactures wound magnetics, including transformers, inductors, chokes, and solenoids. PWI also specializes in fluxgate magnetometers, offering contract manufacturing and engineering for various industries, including general aviation.

Resa Power offers comprehensive power system solutions across the U.S. and Canada. Specializing in transformer services, they provide maintenance, assembly, oil testing, and coil rewinding. The company also conducts electrical testing, diagnostics, and remanufacturing of electrical infrastructure and components.

Based in Lake Geneva, WI, R&L Spring Company provides custom coiling and winding services. They manufacture micro-miniature to large compression, extension, and torsion springs, plus wire forms, in diverse configurations and materials. R&L Spring serves medical, recreational, and commercial vehicle industries.

Based in Sacramento, CA, Rosenau Motors specializes in electric motor repair and rewinding services. Since 1977, they have offered single and three-phase motor rewinding for units from 1/8 to 400hp. Additional services include pump and gearbox repairs, mechanical work, electric motor sales, parts, and comprehensive testing.

Sag Harbor Industries, based in Sag Harbor, NY, designs and manufactures custom electrical coils, inductors, and solenoid coils. Operating from multiple U.S. facilities, they provide high, medium, and short run production of superior quality products, meeting specific client application requirements.

Schott Magnetics specializes in the manufacture and design of high-quality custom transformers, inductors, coils, and integrated magnetic components. With a focus on high-mix, low-volume flexibility, they provide engineered solutions for industrial, telecommunication, energy, aerospace, defense, and medical sectors.

Based in Houston, TX, Sigma Electronics, Inc. designs and manufactures custom transformers and wire-wound magnetic components, including custom coils, for rugged and extreme environment applications. With over 50 years of experience and ISO 9001 certification, they offer engineering expertise and fast-track prototype sampling.

Based in Naperville, IL, SMT LLC Group provides comprehensive coil winding services for a wide range of electromagnetic components. The company specializes in custom coil winding solutions, contract manufacturing, injection molding, and wire processing. They also supply solenoid, high voltage, and low voltage cables.

Solenoid Systems is a U.S.-based manufacturer specializing in custom solenoids and solenoid valves, providing integrated engineering, design, and manufacturing services. With over 30 years of experience, they offer coil winding, resistance welding, overmolding, and assembly processes for low to high-volume production.

Based in Palo Alto, CA, Stangenes Industries designs, manufactures, and tests a variety of AC, DC, and pulsed electromagnets, including high-precision DC focusing components and custom pulse transformers. The company specializes in high voltage systems and electromagnetic components, offering solutions for demanding applications.

Tur-Bo Jet Products (TBJ) offers expert coil winding solutions and contract manufacturing for custom hydraulic, electromagnetic, electromechanical, and mechanical components. With 75 years of experience, TBJ designs and manufactures components and systems, adhering to AS9100 standards for high reliability.

Based in Minneapolis, MN, Thermetic Medical specializes in manufacturing coils and complex coil assemblies, including custom heating coils and micro coils. The company provides custom-engineered heating solutions, serving industries such as medical, plastic, and aerospace applications with precision products.

Triad Magnetics specializes in custom inductor manufacturing services, offering a broad range of innovative solutions including DC and AC line inductors. With a facility in Perris, CA, they provide expertise in coil winding for magnetic components, serving industrial clients with tailored magnetic solutions.

Based in Carrollton, TX, Texas Electric Motors Repair and Sales offers AC and DC motor repair, including services for pumps, air compressors, and electromagnets. The company provides in-shop and on-site repair capabilities, ensuring prompt quotes and a standard 3-5 day turnaround on maintenance.

Universal Magnetics Inc., based in Anaheim, CA, specializes in the design and manufacture of custom magnetic components. They provide coil winding services for transformers, inductors, and solenoids, serving diverse industrial and commercial applications. The company offers prototyping to high-volume production for tailored magnetic solutions.

Based in Waco, TX, VanTran Industries, Inc. specializes in the design and manufacturing of custom and standard power transformers. They produce a range of products including padmount, substation, auto-transformers, submersible, and polemount units, serving diverse sectors like industrial, oil & gas, utility, data centers, and renewable energy with medium voltage solutions.

West Coast Magnetics, based in Stockton, CA, designs and manufactures custom magnetic components such as inductors and transformers. They offer comprehensive coil winding services, including bobbin, toroid, layer, and foil winding, using automated and manual techniques. The company supports prototyping through high-volume production.

Western Spring Manufacturing, based in Hugo, MN, specializes in precision custom medical coil manufacturing, creating expertly crafted medical coils. As an ISO 9001:2015 Certified custom spring manufacturer, they produce various precision coil springs and wire forms for industrial and medical B2B supply chains.

Wire-Tech Manufacturing Corporation, based in San Antonio, TX, specializes in custom magnetics manufacturing. They provide comprehensive coil winding services, including toroidal, bobbin, laminated, and SMD coils, alongside transformer, inductor, and choke production. Wire-Tech offers design and manufacturing for industrial and high-reliability applications.

IMC Intertech provides custom micro-coiling and micro miniature winding services, handling wire diameters as small as 7 microns. They specialize in micro machined parts and sub-assemblies for medical devices and other demanding applications, operating an ISO 13485 certified facility with clean room manufacturing.

Precision Econowind LLC manufactures custom coils from their North Fort Myers, FL facility. Since 1972, they specialize in precision layered, freestanding, and flat wire coils for the loudspeaker, medical, aerospace, and wind power industries. This American company also produces custom voice coils.

Based in San Antonio, TX, Alamo Transformer Supply Co. has been providing tailored transformer solutions since 1963. The company specializes in producing quality transformers, offering services such as repair, reconditioning, and salvage for industrial and commercial clients across Texas, the Gulf States, and the US.

Based in Foothill Ranch, CA, Allied Components International designs and engineers custom transformers and inductors to client specifications. The company manufactures these essential wound components for various applications, serving as a direct supplier. They also provide distribution services for circuit protection devices.

Based in Rochester, NY, Arnold Magnetic Technologies manufactures high-performance electromagnetics, including solenoids, stators, and custom bobbin wound coil assemblies. They serve demanding industrial, aerospace, medical, and commercial markets with a focus on custom electromagnetic product design and optimization.

Based in Azusa, CA, California Electric Motor Source offers electromechanical services and electrical troubleshooting. Specializing in comprehensive repair services for electric motors, they address crucial internal components like coil winding and rebuilding. They serve various industrial and commercial clients with their expertise.

Based in Gilmer, TX, CSI Coil Specialist Inc. is a custom coil manufacturer specializing in a diverse range of wound coils. They produce solenoid, bobbin, voice, air, and transformer coils for applications in aerospace, medical, automotive, and industrial sectors, offering tailored solutions to meet specific client requirements.

Based in Gardena, CA, Dynamic Industrial Electric Motors Inc. offers comprehensive sales, service, and repair for industrial electric motors. They specialize in motor rebuilding and maintenance, providing essential services such as motor rewinding and coil winding. The company serves commercial and industrial clients, ensuring optimal motor performance and longevity.

Based in El Paso, TX, Emicon Corporation manufactures a wide range of custom wound coils, including inductors, antennas, RFID antennas, air wound coils, and toroidal coils. They also provide Tempest EMI/RFI/Data Filters, Digital Filters, Low Pass Filters, and High Attenuation Power Entry Modules for various applications.

Hawkeye Innovation LLC is a veteran-owned contract manufacturing company. They provide in-house precision machining, custom cable harnesses, and comprehensive coil winding services. Capabilities include printed circuit board design, assembly, and government sourcing. They deliver high-caliber, build-to-print solutions for demanding industrial environments.

HBR Industries Inc, based in San Jose, CA, specializes in custom coil winding, copper coil manufacturing, and custom tube bending services. They provide turnkey solutions and custom assembly for customers across various industries, emphasizing quick turnaround times.

Integrated Magnetics, based in Culver City, CA, specializes in precision coil winding for customized electrical machines. They offer design-to-specification and build-to-print services, producing solutions from prototype to production. The company serves demanding aerospace, military, medical, and industrial clients.

Kelco Industries manufactures custom solenoids and coils for mission-critical applications in aerospace, defense, and industrial equipment. They offer tailored product development with in-house engineering, supporting challenges from prototyping to large-scale production. AS9100/ISO certified and ITAR registered, they ensure precision and accountability from concept to delivery.

Based in San Antonio, TX, Electric Motor Rewind SA specializes in high-quality motor repairs and rewinding services for AC/DC motors, pumps, gearboxes, and generators. The company offers 24-hour turnaround and dynamic balancing, serving diverse industrial sectors including oil and gas, mining, and steel mills.

Based in Anaheim, CA, Magnetic Sensors Corporation specializes in manufacturing robust and versatile electrical components. The company provides various magnetic speed sensors, including variable reluctance, Hall effect, proximity, speed and direction, and temperature sensors. They also offer custom coil solutions for diverse applications.

Based in Garland, TX, Nova Magnetics Inc. designs and manufactures custom transformers, inductors, and wound magnetic components. They apply extensive wound magnetics technology for small volume, large physical size manufacturing, serving diverse industries like defense, medical, aerospace, and renewable energy.

Based in Anaheim, CA, Pacific Transformer Corporation designs and manufactures custom transformers. They provide free designs and prototypes, leveraging global manufacturing facilities across Mexico, Thailand, and China. A USA facility ensures production continuity, taking over manufacturing domestically if international supply chain issues occur.

Based in Birmingham, AL, Precision Coil and Rotor is a US industrial service company. They specialize in form coil manufacturing and associated services for AC and DC electric motors and generators. Their offerings include rebuilding component products for rotating electrical machines up to 13.8 kV, with experience in various winding systems.

Based in Bristol, CT, Quality Coils, Inc. specializes in manufacturing a wide range of custom coils. They produce encapsulated, self-supported, tape-wrapped, and toroid coils, allowing for fine-tuning parameters such as wire gauge, coil diameter, and turns to ensure optimal performance.

Based in Johnsburg, IL, Remington Industries specializes in providing custom coil winding services for a wide array of applications. They manufacture wound coils for critical components in transformers, generators, motors, loudspeakers, and various medical equipment, ensuring precision and reliability for industrial clients.

Based in Garden Grove, CA, Santa Fe Coil specializes in manufacturing and restoring a wide range of electric coils. They produce solenoid, switchgear, circuit breaker, contactor, and specialty custom coils. The company also offers duplication and restoration services for obsolete and hard-to-find coils.

Based in Irving, TX, Shermco Industries Inc. offers full-service electrical system maintenance, engineering solutions, and NETA accredited testing. Their specialized Motor Generator Repair Services include essential processes like coil winding and rewinding. Shermco serves mission-critical power clients across diverse industrial sectors throughout the United States.

Based in Pittsburgh, PA, Stimple & Ward Coils is America's oldest electric coil manufacturer. They specialize in producing motor and control coils for AC and DC motors and generators, including custom edge wound coils. The company offers tailored solutions, supported by the largest inventory of armature and stator coil winding models.

Texas Oil Electric Inc. offers electric motor sales and repair, including full rewinds for AC motors from 5HP to 600HP. They provide bearing replacement, generator sales and service, pole line construction, and panel fabrication. Serving industrial and oil field clients, the company handles comprehensive electrical projects.

Based in Fairbury, IL, US Cotronics is an ISO 9001:2015-certified, woman-owned coil manufacturer. Specializing in electromagnetic coil windings and custom electromechanical assembly solutions, they produce bobbin wound, self-supported, choke coils, and solenoids. The company also provides precision wire cutting and stripping for aerospace, automotive, and medical sectors.

Massengale Armature Works, Inc., based in San Antonio, TX, specializes in AC and DC motor rewinding and electrical apparatus repair. Established in 1959, they are a UL certified center adhering to E.A.S.A. standards. They also provide generator testing, pump repair, and machine shop services for industrial and HVAC applications.

Based in Miami, FL, Miami Transformers offers industrial electrical transformer services. The company specializes in expert rewind, repair, and refurbishment, directly involving coil winding to restore critical transformer equipment. Since 1994, it has provided professional solutions for maintaining and extending the lifespan of industrial transformers.