We design and manufacture custom magnetic components, transformers, inductors and assemblies for mission critical applications.

50+ Years of Quality

Let’s work together!

For new business inquiries contact us at



Brenda Bowers

Corporate Marketing & Sales Administrator

Click the link below to Request a Quote


310 N Marion St

Olathe, KS 66061

Gowanda Expands Magnetics Offerings

with Acquisition of HiSonic

Custom Magnetic Components

Industries We Serve

Our Capabilities

COVID-19 Update

GCG designs and manufactures high-performance electronic components for critical applications in military, communication, transportation and medical sectors. As such we are considered an ‘essential business’ and will remain open during the corona virus pandemic. We have taken action to provide a safe work environment for our employees while also taking action to assure our operational teams have the materials, equipment and technology they need to continue to provide our products to those who depend on them.