The API Electronics brand offers fully-integrated design, development, production, testing, and value-added capabilities for mission-critical electrical components and systems.

API designs, develops and manufactures systems, subsystems, RF and secure communications solutions for technically demanding defense, aerospace and commercial applications. 

CMT

CMT offers high quality lumped element filters, cavity filters, combline filters and waveguide filters, used in a variety of wireless, space and defense applications.

Cryptek emanation security products and information assurance solutions safeguard the world's most sensitive information assets by protecting IT systems and confidential data from those who may do harm.

By leveraging state-of-the-art mechanical and electronic design tools, we develop and maintain products that are required in government environments that process sensitive or classified information. At the core of EMCON® product and services expertise is in-depth knowledge of Compromising Emanations.

Since 1969, major producers of communications equipment, peripherals, instrumentation, and process control equipment have trusted Filtran® brand electronic components for use in a wide variety of commercial and military products. 

ION Networks is the most trusted name secure remote device management. Since 1982, the ION line of products has solved the unique problems associated with secure remote management of Information Technology (IT) and communication systems.

First launched in 1971, the Keytronics® brand of products spans custom magnetic devices, transformers and custom electronic equipment designed and manufactured in accordance with the requirements of MIL-T-27.

The National Hybrid line of products was created in response to military/aerospace industry's critical and growing need for reliable, high-performance microcircuits.

Secure Systems & Technologies (SST) specializes in the development and manufacture of electronic equipment for military and secure government organizations throughout NATO and Europe.

SenDEC  provides comprehensive electronic manufacturing services (EMS)

For more than thirty years, Sensonics vibration devices have fulfilled the anti-friction requirements of manufacturers who supply instrumentation for the military, commercial and general aviation markets.

Founded in 1968, the Spectrum Control brand is best known for its leading line of Electromagnetic Interference (EMI) filters.

Explore Spectrum Microwave, one of the world's leading brands of RF, microwave and millimeter wave products, including filters, frequency sources, components, and IMAs.

Spectrum Power: The most trusted name in power management and custom power solutions for commercial and defense applications. 

Spectrum Sensors: Your trusted brand for the development, design and manufacturing of high-performance sensor solutions.

For more than 35 years, TM Systems has been the trusted name in naval aircraft launching and landing aid equipment, flight control and signaling systems, data communication and test equipment, and aircraft ground support equipment.