KNOWLES CORPORATION
Knowles Corporation offers capacitors, radio frequency (RF) and microwave filters, balanced armature speakers, and medtech microphones in Asia, the United States, Europe, rest of Americas, and internationally. It operates in two segments, Precision Devices (PD) and Medtech & Specialty Audio (MSA). The PD segment designs and delivers ceramic, film, electrolytic, and mica capacitor products for use in power supplies and medical implants; and RF filtering solutions for use in satellite communications and radar systems for defense applications. The MSA segment designs and manufactures balanced armature speakers and microphones for the hearing health, audio, and True Wireless Stereo markets. It serves the defense, medtech, electric vehicle, industrial, and communications markets through original equipment manufacturers, their contract manufacturers, suppliers, sales representatives, and distributors. Knowles Corporation was founded in 1946 and is headquartered in Itasca, Illinois.
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TTM Technologies, Inc. manufactures and sells mission systems, radio frequency (RF) components and RF microwave/microelectronic assemblies, and printed circuit boards (PCB) in the United States, Taiwan, and internationally. It operates in two segments, PCB and RF&S Components. The company offers a range of engineered systems, RF and microwave assemblies, HDI PCBs, flexible PCBs, rigid-flex PCBs, custom assemblies and system integration, IC substrates, passive RF components, advanced ceramic RF components, hi-reliability multi-chip modules, beamforming and switching networks, PCB products, RF components, and backplane/custom assembly solutions, including conventional PCBs. It also provides value-added services, such as design for manufacturability, PCB layout design, simulation and testing services, and quick turnaround production, as well as specialized assembly and RF testing. In addition, the company offers maritime surveillance and weather avoidance radar systems for fixed- and rotary-wing aircraft, unmanned aerial vehicles, and shipboard platforms; AN/APS-153 multi-mode radar; communications suite within the MH-60R/S multi-mission helicopters; and develops multi-mode maritime and overland surveillance AESA radar under MOSAIC brand. Further, it provides identification friend, monopulse secondary surveillance radars, and air traffic control systems; wired and wireless communication systems; custom electronic assemblies; quick turnaround services comprising prototype production and ramp-to-volume production; and thermal management. The company serves original equipment manufacturers and electronic manufacturing services providers, original design manufacturers, distributors, and government agencies; and aerospace and defense, data center computing, automotive, medical, industrial, and instrumentation, and networking markets. TTM Technologies, Inc. was incorporated in 1978 and is headquartered in Santa Ana, California.
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