Electric Transformer Manufacturers
Serving South Dakota

Custom Coils

Custom Coils specializes in designing and manufacturing unique magnetic components. Since 1967 we have been a dependable source of transformers and inductors, becoming leaders in our field. We work hard to meet our customer's specifications and to ensure that they are more than satisfied. Our transformers are available in high voltage, switchmode, toroidal or trigger pulse styles, to name a...

Ensign

ISO 9001-registered, Ensign provides pre-designed & custom electric transformers. Printed circuit transformers, low profile, chassis with leads or terminals, international printed circuit, international chassis, 12-Volt lighting. Plug-in adapters are also available. The logical choice since 1939.

Altran Corp.

When it comes to electric transformers we are your ‘go to’ people! Our products serve in many diverse industries such as aerospace, audio, commercial as well as a broad array of others. Our teams of designers and engineers will work closely with you in order to come up with a product that will fit all of your needs. For more information get in touch with us today via telephone or email to...

Coilcraft, Inc.

Coilcraft serves a wide range of industries and markets with our high-quality, cost-effective electric transformers, custom transformers, toroidal transformers and power transformers. We guarantee that we keep a steady inventory of our products on hand at all times for your convenience.

Lenco Electronics, Inc.

Lenco Electronics, Inc. specializes in the production and supply of high-quality electric transformers. We take pride in our ability to provide our customers with a broad range of transformers that cater to various industrial needs. Our commitment to quality and customer satisfaction has made us a trusted manufacturer and supplier of custom electric transformers.
Our product line includes ...

Micron Industries Corporation

Micron Industries is a leading manufacturer and supplier of high-quality electric transformers and related products. The company was established in 1984 and has since then provided exceptional service and products to a wide range of industries, including power generation, transmission, and distribution, as well as industrial and commercial applications.

Micron Industries specializes in ...

Prem Magnetics Inc.

Prem Magnetics was organized in 1972 as the Magnetics Division of Prem Enterprises (a machine shop) to be a manufacturer of coils and transformers. Prem Magnetics remains a leader in the transformer industry. In addition to our Illinois production facility, Prem operates a facility in Tecate, Mexico to manufacture products to the same quality standards. We are located roughly 40 miles northwest...

Schumacher® Electric Corporation

Schumacher Electric Corporation is a leading manufacturer and supplier of high-quality electric transformers, battery chargers, and jump starters. The company was established in 1947 and has since then provided exceptional service and products to a wide range of industries, including automotive, industrial, and consumer applications.

Schumacher Electric Corporation's Electric...

Sun Transformer

ISO 9001:2000 registered Sun Transformer creates custom transformers optimized for the needs of many industries. Large power, isolation & auto transformers, printed circuit mount power transformers, units for hostile conditions, units with ferrite or nickel cores for digital telecommunications use, etc.

TEMPCO Electric Heater Corporation

Tempco Electric Heater Corporation, an ISO-9001 certified company, is a radiant infrared heater manufacturer of various styles of ceramic infrared heaters, quartz mini-tube E-mitters®, panel heaters, electric infrared radiant heaters, tube heaters, quartz heaters, & tubular radiant heaters. We provide heating elements & temperature sensors with UL certification & CSA recognition. Call us today...

Rochester Tube Products, Ltd.

Rochester Tube Products, Ltd. (RTP) is a closely held company whose primary business is that of providing precision, cut-to-length tube products in high volume directly to the manufacturers and intermediate suppliers who incorporate the tube into their own products. The majority of the Company's products are automotive related and installed on several models produced domestically.

SPX Corporation

SPX Corporation (NYSE: SPXC) is, along with its subsidiaries, a diversified, global supplier of infrastructure equipment with scalable growth platforms in heating, ventilation and air conditioning (HVAC), detection and measurement, and engineered solutions. Within our engineered solutions platform, we are a leading manufacturer of medium and large electrical transformers, as well as cooling...

Jefferson Electric

When it comes to electric transformers we are your ‘go to' people! Our products serve in many diverse industries such as aerospace, audio, commercial as well as a broad array of others. Our teams of designers and engineers will work closely with you in order to come up with a product that will fit all of your needs. For more information get in touch with us today via telephone or email to learn ...

Johnson Electric Coil Company

At Johnson Electric Coil Company, we have been providing reliable solutions for electric transformers since 1934. Our commitment to quality and innovation has made us a trusted partner for businesses in various industries.
We offer a wide range of electric transformers that are designed to meet the specific needs of our customers. Our product line includes custom-designed transformers,...