Phillip DeZwirek

CECO Filters, Inc. engages in the manufacture and sale of industrial air filters. The company is headquartered in Conshohocken, 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.

Icarus Investment Corp. is an investment firm. The private company is based in Toronto, Canada. and has subsidiaries in South Africa.

Ontario Corp. manufactures high-tech electronic products. Its products include discrete semiconductor devices, transistors, diodes, laboratory and testing equipment for computers and electronic companies on a contract basis. The company was founded by William W. Rich in 1955 and is headquartered in Muncie, IN.

Part of CECO Environmental Corp., The Kirk & Blum Manufacturing Co. is a company that manufactures, designs, and installs clean air systems inside manufacturing plants. The company is based in Cincinnati, OH. The Kirk & Blum Manufacturing was acquired by CECO Environmental Corp. on December 08, 1999.

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.

Part of CECO Environmental Corp., CECO Filters is a company based in Cincinnati, OH. CECO Filters is an industry pioneer, innovator, and leader of mist elimination technology for more than 50 years. Richard J. Blum has been the CEO of the company since 1999.