transformer manufacturing

American Electric Components, Inc. is a family-owned and operated company established in 1995 that manufactures and repairs dry and oil type transformers, including pole mount, padmount, core/coil, and reactors. Operating from a 78,400 sq. ft. property with a 47,000 sq. ft. shop in Vernon, California, it designs, fabricates, and repairs transformers up to 10,000 KVA and 69,000 Volts, meeting NEMA, ANSI, IEEE, and UL standards.

electrical testingin-field servicein-house design and fabricationoil leak repairoil sampling and analysispreventive maintenancerebuildingretrofittingtestingtransformer repair

AR Transformers Inc. is a U.S.-based transformer supplier with engineering and manufacturing capabilities, specializing in single-phase and three-phase distribution transformers, pad-mounted and pole-mounted transformers, and medium- and high-voltage power transformers. The portfolio includes dry-type and oil-immersed transformers, amorphous alloy transformers, and prefabricated substations for utility, industrial, and renewable energy applications, designed to ANSI, IEEE, NEMA, and DOE efficiency standards.

after-sales servicecustom solutionsinstallation and commissioningR&D

Ascend Electronics Inc. is a U.S. manufacturer and global supplier of industrial transformers, inductors, instrumentation, embedded systems, and electronic components, with products made in the USA. The company reports a half-century of experience serving OEM, CM, and other industries, and designs, manufactures, and sells test and measurement instruments for industrial, military, and commercial customers.

burn-in testinghigh-pot testinginductor manufacturinginstrument manufacturingPCB assemblypower supply manufacturingPrototyping

Founded in 1919, Bradford Armature Winding Co. (BAWCo) has over 100 years’ experience in industry, specialising in: electric motors; motor control gear; variable speed drives; gearboxes; pumps and transformers.

AC motor repairbrake coil rewindingcustom buildsDC motor repairdynamic balancingelectric motor repairgearbox repairnationwide deliverypump repairvarnish impregnation and stoving

Custom Magnetics of California Inc. (CMI) was founded in 2013 by Harbhajan Mand and Chris Cimino and is located in Chino, California. CMI designs and builds specialty power transformers for critical applications, serving data center power systems and the US Navy. Its quality system is certified to ISO2001:2015 with CSA files up to 2500 kVA and 13.8 kV, and it has 11 years of experience with a team of 35 experts.

airborne and structure-borne noise testingbasic impulse testing up to 200 kVmachining manufacturingpartial discharge testingroutine production testingtesting at frequencies from 40 Hz to 600 Hzthermal managementtransformer designvacuum impregnation

Delta Star is a manufacturer of power solutions for electrical grids across North America, with more than 100 years of history. Founded in Chicago as Delta-Star Electric Company, it manufactures power transformers, mobile transformers, and unitized substations, and provides field services including installation, diagnostics, testing, oil processing, repairs, and upgrades for power transformers and substation equipment.

engineering supportfield serviceinstallationmobile transformer designoil processingrelocationsrepairssubstation designtesting

Dufrane Technologies LLC is a Winsted, Connecticut manufacturer with over 150 years of combined team experience producing custom coil winding, industrial and military transformers, and precision machined parts. Established more than 30 years ago as BOMAG, it operates from an 80,000+ sq ft facility and offers build-to-print or in-house design, value-added engineering, reverse engineering, and contract manufacturing. It is part of the Dufrane family of companies.

assemblyCNC lathescoil windingcontract manufacturingdesign-buildmillingmoldingPrecision Machiningreverse engineeringvalue added engineering

EDCOR is a US manufacturer of high-quality audio, power, and custom transformers that have been installed worldwide for over 60 years. Located in Carlsbad, New Mexico, EDCOR manufactures all transformers in its United States factory and strives to purchase materials and parts from US manufacturers.

custom transformer designhand stacked coresinterleave winding

Emotiv Mobility provides material support systems, assembly and sequencing, and value-added services for OEMs and Tier 1 suppliers. Its capabilities include warehousing, kitting, sequencing, JIT/JIS delivery, sub-assembly, and supply chain coordination, connected through its SyncOps integrated operating model. It also offers hybrid-power technology and distribution-transformer manufacturing and refurbishment for mobility and energy infrastructure.

assemblyautomationinventory controlJIT/JIS deliverykittingsequencingsub-assemblytraceabilitytransformer refurbishmentvalidationwarehousing