API Technologies Corp., together with its subsidiaries, designs, develops, and manufactures systems, subsystems, modules, and components for radio frequency (RF) microwave, millimeterwave, electromagnetic, power, and security applications. It operates in three segments: Systems, Subsystems & Components (SSC); Electronic Manufacturing Services (EMS); and Secure Systems & Information Assurance (SSIA). The SSC segment offers RF, microwave, and millimeter wave; digital and mixed signal microcircuits, opto-electronic media conversion solutions, multi-chip modules, high temperature electronics, and power and general purpose hybrids and modules; electromagnetic integrated solutions; and power solutions. The SSIA segment develops secure network and hardware solutions, including TEMPEST and emanation security, ruggedized systems, secure access, and information assurance products, as well as TEMPEST certification services under the EMCON, SST, Cryptek, ION, and Netgard brand names. The EMS segment provides new product introductions and prototypes, turnkey manufacturing, printed circuit board and electro-mechanical assembly, systems integration, test engineering, turnkey box build, and supply chain management services. The company primarily serves the defense, commercial and industrial, and non-defense government markets in the United States, the United Kingdom, Canada, China, Germany, and internationally. The company was formerly known as API Nanotronics Corp. and changed its name to API Technologies Corp. in October 2009. API Technologies Corp. was founded in 1993 and is based in Marlborough, Massachusetts. As of April 22, 2016, API Technologies Corp. was taken private.