Custom Microwave, Inc.

Defense and Space ManufacturingColorado, United States11-50 Employees

Custom Microwave, Inc. (CMI) is a defense and space component manufacturer based in Longmont, Colorado, founded in 1965. The company specializes in designing, fabricating, and testing high-precision microwave, millimeter-wave, and sub-millimeter-wave passive components and assemblies for ground and space applications, and it also offers full services for design, analysis, and testing of space-qualified antenna feeds and related components. CMI serves the aerospace sector by delivering high-quality products and employing advanced manufacturing techniques; it holds ISO9001/AS9100 quality certification and maintains approvals with major aerospace customers, including Lockheed Martin, Northrop Grumman, and NASA/JPL. Its facility encompasses comprehensive in-house capabilities across RF and mechanical/thermal design, precision machining, electroforming, plating, painting, and environmental testing. A notable recent development is the company’s product release aligned with addressing emerging mmWave threats in defense networks, reflecting its ongoing focus on advancing applications within its core specialty. The organization is part of a broader ecosystem that includes organizations such as Vitesse Systems and Trive Capital, indicating its integration within larger platforms while continuing its specialized manufacturing footprint.

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