Allegro MicroSystems
NASDAQ:ALGMAllegro MicroSystems, Inc., together with its subsidiaries, designs, develops, manufactures, and markets sensor integrated circuits (ICs) and application-specific analog power ICs for motion control and energy-efficient systems. Its products include magnetic sensor ICs, such as position, speed, and current sensor ICs; power ICs comprising motor driver ICs, regulator and LED driver ICs, and isolated gate drivers; and photonic and advanced 3D sensing components. The company sells its products to original equipment manufacturers and suppliers primarily in the automotive and industrial markets through its direct sales force, third party distributors, independent sales representatives, and consignment. It operates in the United States, rest of the Americas, Europe, Japan, Greater China, South Korea, and other Asian markets. The company was founded in 1990 and is headquartered in Manchester, New Hampshire. Allegro MicroSystems, Inc. is a subsidiary of Sanken Electric Co., Ltd.
Amkor Technology
NASDAQ:AMKRAmkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, system-level and final test, and drop shipment services; flip chip scale package products for smartphones, tablets, and other mobile consumer electronic devices; flip chip stacked chip scale packages that are used to stack memory digital baseband, and as applications processors in mobile devices; flip-chip ball grid array packages for various networking, storage, computing, automotive, and consumer applications; and memory products for system memory or platform data storage. The company also provides wafer-level CSP packages for power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages used in power management, transceivers, radar, and specialty silicon; silicon wafer integrated fan-out technology that replaces a laminate substrate with a thinner structure; leadframe packages for electronic devices and mixed-signal applications; and substrate-based wirebond packages used to connect a die to a substrate. In addition, it offers micro-electro-mechanical systems packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. Further, the company provides wafer, package, and system level test services, as well as burn-in test and test development services. It serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. The company was founded in 1968 and is headquartered in Tempe, Arizona.
IPG Photonics
NASDAQ:IPGPIPG Photonics Corporation develops, manufactures, and sells various high-performance fiber lasers, fiber amplifiers, and diode lasers used in various applications primarily in materials processing worldwide. Its laser products include hybrid fiber-solid state lasers with green and ultraviolet wavelengths; fiber pigtailed packaged diodes and fiber coupled direct diode laser systems; high-energy pulsed lasers, multi-wavelength and tunable lasers, and single-polarization and single-frequency lasers; and high-power optical fiber delivery cables, fiber couplers, beam switches, chillers, scanners, and other accessories. The company also offers integrated laser systems; LightWELD, a handheld laser welding system; 2D compact flat sheet cutter systems and multi-axis systems for fine welding, cutting, and drilling; welding seam stepper and picker, a fiber laser welding tool; high precision laser systems; specialized fiber laser systems for material processing applications; robotic and multi-axis workstations for welding, cutting and cladding, flatbed cutting systems, and diode markers; and laser and non-laser robotic welding and automation solutions. It serves materials processing, communications, medical procedures, and advanced applications and communications markets. The company markets its products to original equipment manufacturers, system integrators, and end users through direct sales force, as well as through agreements with independent sales representatives and distributors. IPG Photonics Corporation was founded in 1990 and is headquartered in Marlborough, Massachusetts.
Silicon Laboratories
NASDAQ:SLABSilicon Laboratories Inc., a fabless semiconductor company, provides various analog-intensive mixed-signal solutions in the United States, China, Taiwan, and internationally. The company's products include wireless microcontrollers and sensor products. Its products are used in various electronic products in a range of applications for the industrial Internet of Things (IoT), including industrial automation and control, smart buildings, access control, HVAC control, and industrial wearables and power tools; smart cities applications, such as smart metering, smart street lighting, renewable energy, electric vehicle supply equipment, and smart agriculture; commercial IoT applications, including smart lighting, asset tracking, electronic shelf labels, theft protection, and enterprise access points; smart home applications, comprising home automation/security systems, smart speakers, smart lighting, HVAC control, smart cameras, smart appliances, smart home sensing, smart locks, and window/blind controls; and connected health applications, including diabetes management, consumer health and fitness, elderly care, patient monitoring, and activity tracking; as well as in commercial building automation, consumer electronics, and medical instrumentation. The company sells its products through its direct sales force, as well as through a network of independent sales representatives and distributors. Silicon Laboratories Inc. was founded in 1996 and is headquartered in Austin, Texas.