Thomas W. Mills

API Technologies Corp., through its subsidiary Spectrum Control, is a leader in high-performance RF and microwave signal processing and conditioning, and electromagnetic interference protection. The company is based in Marlborough, MA and has a global presence of subsidiaries in several regions. The company offers a wide range of filtered D-subminiature connector options that improve performance, save board space, and reduce costs by managing EMI at the signal and power I/O. For more than 70 years, the company has developed reliable, high-performance technologies for powering and conditioning RF and microwave signals and protecting electronic equipment from electromagnetic interference. The company was founded in 1981 by Phillip DeZwirek. Richard D. Sorelle has been the CEO of the company since 2021.

API Electronics, Inc. offers fully-integrated design, development, production, testing, and value-added capabilities for mission-critical electrical components and systems. The company is headquartered in New York, NY.

API Nanotronics Sub, Inc. manufactures semiconductors and microelectronic circuits. The company is headquartered in Toronto, ON.

Part of API Technologies Corp., TM Systems, Inc. produces naval aircraft landing and launching, flight control and signaling systems, radar systems alteration, data communication, and test equipment for the government. The company is based in Hauppauge, NY. TM Systems was acquired by API Electronics Group Corp. on February 11, 2003 for $3 million.

Keytronics, Inc. manufactures power transformers, reactors, magnetic amplifiers and other power supplies. It offers spans custom magnetic devices, transformers and custom electronic equipment designed and manufactured in accordance with the requirements of MIL-T-27. The company was founded in 1971 and is headquartered in Fairview, PA.

National Hybrid, Inc. manufactures critical components like microcircuits. Its products include 1553 Data Bus Product Line, Opto couplers, and obsolete products. The company was founded in 1974 and is headquartered in Fairview, PA.

The Group's principal activities are the manufacturing and supplying of semiconductors and microelectronic circuits for military, aerospace and commercial applications. It also includes, mission critical information systems and technologies, shipbuilding and marine systems, and business aviation. for customers in the communications, computer, instrumentation and process control industries, with manufacturing facilities in the United States and Canada. The Group markets its products in the United States, Canada, Israel and certain countries that are members of North Atlantic Treaty Organization. On 27-Apr-2006, the Group acquired Keytronics Inc.