Communication Coil, Inc. - Schiller Park, IL
Manufacturer, Custom Manufacturer
Manufacturer of custom RF & power transformers; air core, toroidal, pot core, ferrite, SMPS. Inductors, coils; non-magnetic. LC filters, chokes, & baluns for medical, military, airborne, marine, instrumentation, industrial & wireless communications.
www.communicationcoil.com/transform.html

Servedio - New Castle, PA
Distributor, Custom Manufacturer, Service Company
Distributor of transformers including dry plate, dry type, electric, electric fence, & electric sign. Products include electric motors & controls (AC & DC), power transmission, gearing & belts, pumps, conveyor chain, roller chain, sprockets & belting, & for crane & hoist applications. Repair services like electric motor rewinding, surge testing, core loss testing, hypot testing, dynamic balancing, machine work, generator repair, welder repair, hoist repair, small tool repair, & small motor repair. Engineering, design & fabrication of special application control panels.

Atc-Frost - Oakville, ON
Manufacturer, Custom Manufacturer
Manufacturers Of Custom & Standard Transformers. UL & CSA Approved, IEC Approvable

Grainger Industrial Supply - Locations
Distributor
Distributor of a variety of transformers such as Class 2, 18 pulse, 400 Hertz, alarm, automatic, CE marked, control, differential, driver, frequency, isolation, laboratory, microwave, network, RF, ultrasonic, welding & more. Accessories, parts & components also available. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.
Brand Names: Acme

Communication Associates, Inc. - Anniston, AL
Manufacturer, Custom Manufacturer
Custom & Standard Transformers. High Frequency, Linear, Toroidal Wound, Ferroresonant, Audio, Production Runs Or Single Prototype With Engineering Support. From Miniature Up To 400 Pounds. Approved UL Class Insulating Systems

Polytron Corp. - Elkhart, IN
Manufacturer, Custom Manufacturer, Service Company
Custom Microprocessor-Based Controls & Timers. Encapsulated Timer Modules, On/Off Delay Timers, Flashers, Monitors, Alarm Circuitry

Gettysburg Transformer Corporation - Gettysburg, PA
Manufacturer, Custom Manufacturer
Designer & manufacturer of electric fence transformers. Areas of specialization include 400 hertz, auto, chassis mount, Class 2, constant voltage, control, core & coil, current, custom, dry type, electric, electronic, ferroresonant, industrial control, isolation, lighting & power, machine tool control, medical equipment, power, single phase, step-down & step-up and three phase transformers.

Filtran Ltd., API Electronics Group - Ottawa, ON
Manufacturer, Custom Manufacturer
Manufacturers Of Tranformers Of All Types, Power Ratings & Applications. Laminated, Ferrite Based, Toroidal. Audio Frequency To RF. Chassis Mount, Thru Hole Or Surface Mount

Motom Electronics LLC - West Cornwall, CT
Manufacturer, Custom Manufacturer
Transformers & Inductors & Subassemblies; Custom

Bridgeport Magnetics Group Inc. - Shelton, CT
Manufacturer, Custom Manufacturer
Stock and Custom designs available. Certifications to UL506, UL60601.1 and equivalent CSA/EN/IEC safety standards with CE marking.