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Akoustis Technologies, Inc., through its subsidiary, Akoustis, Inc., designs, develops, manufactures, and sells radio frequency (RF) filter products for the mobile wireless device industry in the United States, Asia, Europe, and internationally. It operates through Foundry Fabrication Services and RF Filters segments. The Foundry Fabrication Services segment provides engineering review and backend packaging services. Its RF Filters segment sells amplifier and filter products. It offers RF filters for mobile wireless devices, such as smartphones and tablets, cellular infrastructure equipment, Wi-Fi customer premise equipment, and military and defense applications. The company was founded in 2013 and is headquartered in Huntersville, North Carolina.

Altigen Communications, Inc. designs, develops, markets, and supports integrated communications solutions worldwide. It provides MaxCS IP-PBX, a software-based phone system that provides customers with business communications solutions; MaxACD Voice Over Internet Protocol (VoIP) Contact Center, a software-based automatic call distribution engine, which offers call routing and call distribution options; MaxMobile that extends a set of business PBX functionality to smart phone devices; and MaxCommunicator, a Windows-based desktop application, which provides call control and visual voice mail management to the desktop. The company offers MaxAgent, a Windows-based desktop application to bring call control and workgroup information to call center agents; MaxSupervisor, a Windows-based desktop application for call center supervisors; and MaxACD for Skype, a call center solution. In addition, it provides hosted services, which include hosted IP PBX, Skype for Business, session initiation protocol trunk, call center solution, voice and video calling, conference calling, and various long-distance services; and software assurance services, which offer customers with software updates, patches, new releases, and technical support for the applications they are licensed to use. The company serves financial services, healthcare, retail, and business services industries through a channel of distributors and resellers. Altigen Communications, Inc. was incorporated in 1994 and is based in Milpitas, California.

Clearfield, Inc. manufactures and sells various fiber connectivity products in the United States and internationally. The company offers FieldSmart, a series of panels, cabinets, wall boxes, and other enclosures; WaveSmart, an optical components integrated for signal coupling, splitting, termination, multiplexing, demultiplexing, and attenuation for integration within its fiber management platform; and active cabinet products. It also provides CraftSmart FiberFirst pedestals, an access terminal that offers a cable management and mounting bracket kit to support the deployment of access terminals; YOURx, an access terminal that provides flexibility with cable mid-span and internal splicing options; and FieldShield, a fiber pathway and protection method for reducing the cost of broadband deployment. In addition, the company offers fiber assemblies; fiber optic and copper cables, microducts, microduct accessories, and tools; and installation and connection accessories for fiber optic networks. It serves community broadband customers, multiple system operators, large regional service providers, and wireline/wireless national telco carriers. The company was formerly known as APA Enterprises, Inc. and changed its name to Clearfield, Inc. in January 2008. Clearfield, Inc. was incorpoarted in 1979 and is headquartered in Minneapolis, Minnesota.

DZS Inc. provides access and optical networking infrastructure and cloud software solutions in the Americas, Europe, the Middle East, Africa, and Asia. The company offers access edge solutions through DZS Velocity, including voice, high-definition and ultra-high-definition video, highspeed internet access, and business class services; switching and routing products; and XCelerate for increasing the velocity with which service providers can leap to multi-gigabit services. It also provides subscriber edge solutions through DZS Helix comprising optical network terminals (ONTs) and smart gateway solutions for fiber to the x (FTTx) deployment; and connected premises products, consisting of indoor/outdoor ONTs and gateways. In addition, the company offers optical edge solutions through DZS Chronos and DZS Saber, which provides solutions for mobile operators and service providers that enables them to upgrade their mobile fronthaul/midhaul/backhaul systems and migrate to fifth generation wireless technologies. Further, it provides cloud software solutions through DZS Cloud that offers a commercial, carrier-grade network-slicing enabled orchestration platform, which supports open RAN and 4G/5G networks. The company was formerly known as DASAN Zhone Solutions, Inc. and changed its name to DZS Inc. in August 2020. DZS Inc. was founded in 1996 and is headquartered in Plano, Texas.

Communications Systems, Inc. engages in the provision of network infrastructure and services for global deployments of enterprise and industrial networks through its subsidiaries. It operates through the following segments: Electronics and Software, Services and Support, and Other. Electronics and Software segment designs, develops, and sells Intelligent Edge solutions that provide connectivity and power through Power over Ethernet (PoE) products and actionable intelligence to end devices in an Internet of Things (IoT) ecosystem through embedded and cloud-based management software. The Services and Support segment provides technology solutions that address prevalent IT challenges, including network resiliency, security products and services, network virtualization, and cloud migrations, IT managed services, wired and wireless network design and implementation, and converged infrastructure configuration, deployment and management, and SD-WAN network devices. The Other segment includes non-allocated corporate overhead costs.The company was founded by Curtis A. Sampson in 1969 and is headquartered in Minnetonka, MN.