Zarlink Semiconductor was a company that delivered world-leading, mixed-signal chip technologies for a broad range of communication and medical applications. Zarlink’s core capabilities included timing solutions that manage time-sensitive communication applications over wireless and wired networks, line circuits supporting high-quality voice services over cable and broadband connections, and ultra low-power radios enabling new wireless medical devices and therapies. Serving the world's largest original equipment manufacturers, its highly integrated chip solutions help customers simplify design, lower costs and reach market quickly.

Brijot^® is the global leader for non-invasive, safe people screening systems for detecting concealed objects under clothing to protect people, property, and privacy. Brijot systems aid in security efforts by providing weapons and contraband detection for airports, military branches, and government and law enforcement agencies. In addition, Brijot systems aid a variety of industries with their workplace safety and internal loss prevention and asset protection initiatives. Built on passive millimeter wave technology, Brijot systems are safe for everyone regardless of age or health condition.

Known for its technical innovation with high levels of quality and reliability, ASIC Advantage was a fabless semiconductor company that designed and manufactured a broad portfolio of high-performance, high-voltage and radiation-hardened mixed-signal integrated circuit (IC) solutions for the aerospace, automotive, communications, industrial and medical markets.

AML Communications was a leading provider of microwave amplifiers and subsystems for defense electronics applications. The company had a broad product portfolio and was a key supplier to major defense programs with Raytheon, Lockheed Martin, Northrop Grumman, L-3 Communications, BAE and others.

Actel Corporation was a leading supplier of nonvolatile, low power FPGAs, mixed signal FPGAs, and programmable logic solutions. The company’s mission to manage power consumption at both the chip and system levels leveraged the industry’s ultra low power FPGAs and unique mixed signal FPGAs to offer system designers a competitive edge.

VT Silicon, Inc., a fabless semiconductor company, engaged in the design and manufacture of multi-band radio frequency integrated circuit solutions for the mobile wireless broadband market. The company offered leverage linearization and efficiency enhancement technologies that enable original equipment manufacturers, original design manufacturers, and reference design houses to manufacture broadband, highly efficient, low-cost, and small footprint modules and transceivers.

White Electronic Designs developed and manufactured innovative microelectronic and display components and systems for high technology products used in military and commercial markets. Its microelectronic solutions included advanced semiconductor and state of the art multi-chip packages, as well as a proprietary process for applying anti-tamper security coating to mission-critical semiconductor components used in military applications.

Endwave Corporation's Defense and Security business unit focused on defense, homeland security, and other government end-use applications provided technologies for radar fencing, stand-off threat detection systems and advanced personnel screening portals.

T.S.I. was an electronics component manufacturer equipped to assemble products to the most demanding military and aerospace requirements using most production techniques. T.S.I’s mission was to provide a source for reliable custom hybrids and special products used in mature long-life programs.

MDT manufactured high-performance gallium arsenide (GaAs) diodes, sensors, sources and mmW components in support of commercial as well as military markets. MDT was a leading custom designer and manufacturer of advanced devices, components and subsystems for telecommunications, wireless, automotive, security, safety, industrial processing and traffic management applications. MDT’s devices have been tested for commercial, military and space applications

PowerDsine was a leader of the fast-growing Power over Ethernet (PoE) technology that allows power to be transmitted over the same network cable as data. The company designed, developed and supplied integrated circuits, modules and systems that enable the implementation of PoE in local area networks (LANs). Their products provided the capability to transmit and manage electrical power over data network cables to power end-devices, such as voice-over-Internet protocol phones, wireless LAN access points and advanced security devices that are connected to an ethernet network.

APT was a leading designer, manufacturer and marketer of high-performance RF and switching power semiconductors. Primarily focused on the high-power, high-speed segment of the power semiconductor market, these products permitted the design of more compact end-products and improve system features and functionality. APT's products are found in diverse applications, such as implantable defibrillators, MRI systems, commercial and defense avionics, ground-based radar, air traffic control radar systems, airborne radar, wireless base stations, flat panel production equipment, semiconductor capital equipment, and solar power inverters.

CDI was a certified manufacturer of military diodes and rectifiers, as well as commercial products in axial leaded and surface mount packaging.

New England Semiconductor was the manufacturer of aerospace grade high-reliability bipolar transistors.

The HBT Business Products Group of Infinesse offered RF and HBT-related expertise in Gallium Arsenide (GaAs) and Indium Gallium Phosphide (InGaP) as well as silicon germanium (SiGe) semiconductors for advanced cellular, PCS and 3G, BlueTooth and 5.7 GHz LAN applications.

The Narda semiconductor unit of Narda Microwave Semiconductor was an integrated manufacturer of semiconductor components including varactor diodes, pin diodes, chip capacitors and Schottky devices used in telecommunications, wireless, satellite and industrial test/measurement applications.

Linfinity Microelectronics manufactured standard linear and mixed signal integrated circuits (ICs), as well as systems-engineered modules for use primarily in power management and communication applications in the commercial, industrial defense and space markets.

BKC Semiconductors Inc. manufactured various discrete semiconductor diodes for signal switching, voltage conversion, rectification, and surge suppression in electronic circuits targeted at the military, space and commercial markets.

PPC Products was a supplier of power transistors, fixed and adjustable linear regulators, power rectifiers and power MOSFETs. With numerous JANS-approved product lines, the company served the space market.

Microsemi acquired the high-reliability RF products from SGS Thomson's Radio Frequency Semiconductor business, based in Montgomeryville, Pennsylvania.

Microsemi purchased Unitrode Semiconductor Products Division (SPD), previously located in Watertown, Massachusetts, and operations in Ennis, Ireland, from Unitrode Corporation.