We service eastern South Dakota, southwest Minnesota, northwest Iowa and northeast Nebraska.

Eligible South Dakota residents 18 and older with qualifying conditions can quickly receive the necessary certification to apply for their card through the state's system.

Custom Coils Serves as a Leading Source of Value-Driven Custom Magnetics Custom Coils is a leading manufacturer of transformers, inductors, and specialty magnetic components in the USA. Located in Alcester, South Dakota, the company owns a large and well-equipped facility of 17,000 sq. ft. where the conceptualization, designing, and manufacturing is conducted. Advanced manufacturing capabilities have helped the company emerge as a proven leader in the magnetics industry. Being an ISO 9001:2015 manufacturer, the company values quality and performance the most. Product Offerings of Custom Coils Custom Coils specializes in the design and manufacturing of the following types of transformers: • High Voltage Transformers • Switchmode Transformers • Flyback Transformers • Trigger Pulse Transformers • Step up/down Transformers • Power Transformers • Toroidal Transformers • Custom Transformers • Control Transformers • Inverter Transformers • Low Profile Transformers • Ferrite Transformers • Pulse Transformers • Single Phase Transformers • Specialty Transformers • Isolation Transformers • Surface Mount Transformers • Antenna Air Coils • Down Hole Applications • DC Igniters • High Current Inductors • Toroidal Inductors • Surface Mount Inductors • Ferrite Inductors • Power Inductors Services Offered by Custom Coils The Company provides various types of services such as these: • Winding Services • Assisted Design Services • Custom Prototyping • Custom Test Suite Creation • Through-hole PCB Assembly • Reverse Engineering • Custom Winding • Component Assembly • Transformer Lamination • Molding and Encapsulation Applications of Transformers Custom Coils regularly designs inductors and transformers for the following applications: • Military Targeting Lasers • Biomedical Lasers • Laser Measuring Equipment • Spark Switches • Laser Flashtubes • Industrial Cutting Lasers • Xenon Lighting and Flash Tubes • Camera Flashes • Igniters • Stun Gun/Shockers • Warehouse Automation Custom Coils has earned a reputation in the industry for delivering the highest quality products in standard and custom designs. The product engineers at the company work with clients to understand their requirements, and are committed to employing the proven technologies, and the highest quality materials during the manufacturing.

With 20 years of experience in the construction industry we have become the premier leader in home heating solutions. U.S. Heating System NetMat and QuickMat heated flooring is an energy efficient heat source you will be proud to run. Heated floors can lower your heating bills year round. Running 1 Watt of our heated floor mats is more efficient then running 1 Watt of a standard light bulb. Reduce the amount of dust and allergens in the air from old duct-systems using electric floor heating, which allows the heated floors to gently and cleanly radiate heat into any room.