Electronics and Electrical Transformers and Inductors TransformersCustom Coils - Manufacturer - High Voltage Transformers, Switchmode Transformers, Transformer, Power Assemblies Custom Coils is a custom magnetic design and manufacturing facility that specializes in building transformers, inductors and coils. All of our products are custom designed & built to satisfy each of our customer’s requirements. Our website is a sampling of the products we have experience and knowledge of; simultaneously promoting and demonstrating our design and manufacturing capabilities. We have extensive knowle