Our History

Custom Microwave is an industry leader in manufacturing high-quality and high-performance products for the aerospace industry.

  • RF Networks Analysis
  • Far-Field Radiation Pattern Testing
  • Thermal Testing
  • Thermal PIM Testing
  • Vibration Testing

Our vision is to be the trusted supplier of innovative antenna and microwave solutions.

We’ve been in the aerospace business for a long time - over 50 years. Throughout our history, we’ve been an industry leader in designing and manufacturing high-quality and high-performance RF microwave and millimeter wave antenna feeds and components. We specialize in the fabrication and test of complex composite and metal bonded structural assemblies and we’ve designed and built products for some of the most critical space programs in the world, with hardware on over 200 commercial, military, civil and science satellites. We design, manufacture and test our products all within one facility, located in Longmont, Colorado – just an hour northwest of Denver.

At Custom Microwave, we are committed to you, our customer – we want to help you reach your goals by providing innovative products and solutions with unmatched design, quality, performance, and precision. If you’d like to learn more, get in touch with us - we’d love to partner with you.

Manufacturing High Quality Aerospace Products

CMi is a leading provider of high performance RF microwave and millimeter wave, antenna feeds and components. For 50 years we’ve built a solid reputation as a leader in manufacturing high quality products for some of the most critical aerospace programs in the world. Design, Manufacturing and Test are all in one 54,000 Sq Ft facility.