Custom Coils

Appliances, Electrical, and Electronics ManufacturingSouth Dakota, United States11-50 Employees

Custom Coils is a mid-sized manufacturer based in Alcester, South Dakota, operating in the appliances, electrical, and electronics sector. Founded in 1967, the company produces transformers, inductors, and other magnetic components, and runs a 17,000-square-foot facility to support its manufacturing operations. It focuses on design and production that meet customer specifications and offers relatively quick turnaround times for delivered components. Its products are used across a broad set of industries, reflecting the range of magnetic components it manufactures.

The company provides additional services such as reverse engineering, custom prototyping, winding, small through-hole PCB assembly, component assembly, molding and encapsulation, lead attachment, transformer lamination, and the creation of custom test suites. Its customer base includes clients across the United States, with applications ranging from camera flash and igniters to Xenon lighting, stun devices, motor clutches, biomedical lasers, and military targeting lasers. It also offers pricing quotes on select products and aims for efficient design and delivery.

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