AAC Technologies
OTCMKTS:AACAYAAC Technologies Holdings Inc., an investment holding company, provides solutions for smart devices in Mainland China, Hong Kong Special Administrative Region of the People's Republic of China, Taiwan, other Asian countries, the United States, and Europe. The company operates through Acoustics Product, Electromagnetic Drives and Precision Mechanics, Optics Products, Sensor and Semiconductor Products, and other products segments. It provides acoustics products for smartphones, laptops, mid-range tablets, and smart glasses; and manufactures and sells haptic motors that are used in smartphones, smart watches, tablets, intelligent automobiles, game controllers, and virtual reality/augmented reality controllers. The company also offers precision mechanics comprising metal casing products; optical lenses, camera modules, and optical actuators, as well as voice coil motor products; and micro electro-mechanical systems (MEMS) and ASIC chips design, packaging, and testing services for consumer electronics, automotive, smart wearables, robotics, IoT, and other sectors. In addition, it provides research and development services; manufactures and sells tooling and precision components, electronic components, and related accessories; and provides electroplating services, as well as engages in investment activities. The company was formerly known as AAC Acoustic Technologies Holdings Inc. and changed its name to AAC Technologies Holdings Inc. in May 2011. AAC Technologies Holdings Inc. was founded in 1993 and is headquartered in Shenzhen, the People's Republic of China.
Adtran Networks
OTCMKTS:ADVOFAdtran Networks SE engages in the development, manufacture, and sale optical and Ethernet-based networking solutions for telecommunications carriers and enterprises to deliver data, storage, voice, and video services worldwide. It offers open optical transport solutions, such as FSP 3000 open terminals, FSP 3000 open line systems, pluggables and subsystems, and optical access solutions; packet edge and aggregation products, including carrier Ethernet and programmable multilayer edge, metro aggregation, and edge computing products; disaggregated networking, such as packet optical terminals and ensemble activators. The company also provides network virtualization products comprising ensemble connectors, orchestrators, and harmony ecosystems, as well as operates ensemble virtualization director, a management platform for the creation and deployment of virtualized services; network infrastructure assurance products; timing and synchronization products; and automated network management products, such as ensemble optical, sync, fiber, and packet director, and ensemble controllers. In addition, it offers professional services to build, care, and enable the networks. Adtran Networks SE sells its products to telecommunications service providers, private companies, universities, and government agencies directly, as well as through a network of distribution partners. The company was formerly known as ADVA Optical Networking SE and changed its name to Adtran Networks SE in June 2023. The company was founded in 1994 and is headquartered in Munich, Germany. Adtran Networks SE operates as a subsidiary of ADTRAN Holdings, Inc.
Iridium Communications
NASDAQ:IRDMIridium Communications Inc. provides mobile voice and data communications services and products to businesses, the United States and international governments, non-governmental organizations, and consumers worldwide. The company offers postpaid mobile voice and data satellite communications; prepaid mobile voice satellite communications; push-to-talk; broadband data; and Internet of Things (IoT) services. It also provides hosted payload and other data services, such as satellite time and location services; and inbound connections from the public switched telephone network, short message, subscriber identity module, activation, customer reactivation, and other peripheral services. In addition, the company offers voice and data solutions comprising personnel tracking devices; asset tracking devices for equipment, vehicles, and aircrafts; beyond-line-of-sight aircraft communications applications; maritime communications applications; specialized communications solutions for high-value individuals; mobile communications and data devices for the military and other government agencies, such as secure satellite handsets, as well as netted voice, messaging, and paging services; and maintenance services for the United States government's dedicated gateway. Further, it provides satellite handsets, voice and data modems, broadband data devices, and IoT data devices; various accessories for its devices that include batteries, holsters, earbud headphones, portable auxiliary antennas, antenna adaptors, USB data cables, charging units, and others; and engineering and support services. Iridium Communications Inc. sells its products and services to commercial end users through a wholesale distribution network that include service providers, and value-added resellers and manufacturers. The company was formerly known as Iridium Holdings LLC and changed its name to Iridium Communications Inc. in September 2009. Iridium Communications Inc. is headquartered in McLean, Virginia.
Lumentum
NASDAQ:LITELumentum Holdings Inc. manufactures and sells optical and photonic products in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company operates through two segments: Optical Communications (OpComms) and Commercial Lasers (Lasers). The OpComms segment offers components, modules, and subsystems that enable the transmission and transport of video, audio, and data over high-capacity fiber optic cables. It offers tunable transponders, transceivers, and transmitter modules; tunable lasers, receivers, and modulators; transport products, such as reconfigurable optical add/drop multiplexers, amplifiers, and optical channel monitors, as well as components, including 980nm, multi-mode, and Raman pumps; and switches, attenuators, photodetectors, gain flattening filters, isolators, wavelength-division multiplexing filters, arrayed waveguide gratings, multiplex/de-multiplexers, and integrated passive modules. This segment also provides Super Transport Blade, which integrates optical transport functions into a single-slot blade; vertical-cavity surface-emitting lasers; directly modulated and electro-absorption modulated lasers; and laser illumination sources for 3D sensing systems. It serves customers in telecommunications, data communications, and consumer and industrial markets. The Commercial Lasers segment offers diode-pumped solid-state, fiber, diode, direct-diode, and gas lasers, such as argon-ion and helium-neon lasers for use in original equipment manufacturer applications. It serves customers in markets and applications, such as sheet metal processing, general manufacturing, biotechnology, solar cell processing, graphics and imaging, remote sensing, and precision machining. Lumentum Holdings Inc. was incorporated in 2015 and is headquartered in San Jose, California.