Applied Optoelectronics provides fiber-optic networking products, for four networking end-markets: internet data center, cable television, telecommunications, and fiber-to-the-home. The company designs and manufactures a range of optical communications products at varying levels of integration, from components, subassemblies and modules to complete turn-key equipment. The company's components often incorporate one or more of its optical laser chips inside a precision housing that provides mechanical protection as well as standardized electrical contacts. Other optical components may also include optical filters or other optical elements by which optical signals are routed internally within the component.

Ciena is a networking systems, services and software company, providing solutions that enable a range of network operators to deploy and manage networks that deliver services to businesses and consumers. The company provides hardware, software and services that support the transport, switching, aggregation, service delivery and management of video, data and voice traffic on communications networks. The company's solutions are used by communications service providers, cable and multiservice operators, Web-scale providers, submarine network operators, governments, enterprises, research and education institutions and other network operators.

Corning is a provider of glass for notebook computers, flat panel desktop monitors, display televisions, and other information display applications; carrier network and enterprise network products for the telecommunications industry; ceramic substrates for gasoline and diesel engines in automotive and heavy duty vehicle markets; laboratory products for the scientific community and specialized polymer products for biotechnology applications; optical materials for the semiconductor industry and the scientific community; and other technologies. The company reportable segments are: Display Technologies, Optical Communications, Environmental Technologies, Specialty Materials and Life Sciences.

Costamare is an international owner of containerships. Co. is engaged in chartering vessels to many of the world's liner companies. As of Feb 23 2018, Co. has a fleet of 71 containerships with a total capacity in excess of 466,000 twenty foot equivalent units (TEUs). Co.'s strategy is to time charter its containerships to a geographically diverse, financially strong and loyal group of liner companies. Co.'s containerships operate primarily under multi-year charters and therefore are not subject to the effect of seasonal variations in demand. Some of Co.'s customers are A.P. Moller-Maersk, MSC, Evergreen, Hapag Lloyd and COSCO.

Harmonic provides video delivery software, products, system solutions and services that enable its customers to create, prepare, store, playout and deliver a range of broadcast and over-the-top video services to consumer devices. The company has two segments, Video and Cable Access. The Video business sells video processing and production and playout solutions and services worldwide to cable operators and satellite and telecommunications (telco) pay-TV service providers, which it refers to collectively as service providers. The Cable Access business sells cable access solutions and related services, including its CableOS software-based cable access solution, primarily to cable operators globally.

LightPath Technologies manufactures optical components and assemblies, including precision molded glass aspheric optics, molded and diamond-turned infrared aspheric lenses and other optical materials used to produce products that manipulate light. The company designs, develops, manufactures and distributes optical components and assemblies utilizing optical manufacturing processes. The company's products are incorporated into sqveral applications. These applications include defense and medical devices, laser aided industrial tools, automotive safety applications, barcode scanners, optical data storage, hybrid fiber coax datacom, telecommunication optical networks, machine vision and sensors, among others.

Lumentum Holdings is a provider of optical and photonic products addressing a range of end-market applications including Optical Communications (OpComms) and Commercial Lasers (Lasers) for manufacturing, inspection and life-science applications. The company's segments are: OpComms, which include a range of components, modules and subsystems to support customers including carrier networks of access, metro, long-haul and submarine applications; and Lasers, which provides lasers for the industrial and scientific markets used in a range of original equipment manufacturer applications including diode-pumped solid-state, fiber, diode, direct-diode and gas lasers such as argon-ion and helium-neon lasers.

NetApp is the data authority for the hybrid cloud. The company's product, services and solutions portfolio include: cloud data services, which include the NetApp Data Fabric, which manages, secures, and protects the data of its customers from on-premises to public to hybrid cloud; cloud infrastructure, which helps customers build cloud-architected data centers; storage systems and software, which enables customers to modernize their IT architectures with cloud-connected flash to free the resources necessary; and support services, which enable a portfolio of technical services including independent support services, support account managers, residency services, and managed services.

Optical Cable is a manufacturer of a range of fiber optic and copper data communication cabling and connectivity solutions primarily for the enterprise market and various harsh environment and specialty markets, and also the wireless carrier market, providing integrated suites of products which operate as a system solution or integrate with other providers' offerings. The company's products include fiber optic and copper cabling, hybrid cabling, fiber optic and copper connectors, specialty fiber optic, copper and hybrid connectors, pre-terminated fiber optic and copper cable assemblies, racks, cabinets, fiber optic reels and accessories and other cable and connectivity management accessories.

Pure Storage is engaged in developing data platform. The company's data platform replaces storage systems designed for mechanical disk with all-flash systems for solid-state memory. The company's Pure1 cloud-based support and management platform simplifies storage administration, while real-time scanning enables it to find and fix issues. The company's business model replaces the forklift upgrade cycle with an Evergreen Storage subscription model. The company's offerings include its FlashArray and FlashBlade products, inclusive of its Purity Operating Environment software, FlashStack and Artificial Intelligence Ready Infrastructure (AIRI), Cloud Data Services, FlashArray//X, and AIRI Mini.

Star Bulk Carriers is an international company providing worldwide transportation solutions in the drybulk sector through its vessels-owning subsidiaries for a range of customers of major and minor bulk cargoes including iron ore, coal, grain, cement, fertilizer, along worldwide shipping routes. As of Dec 31 2016, Co. owned and operated a fleet of 73 vessels consisting primarily of Newcastlemax, Capesize as well as Kamsarmax, Ultramax and Supramax vessels with a carrying capacity between 52,055 dwt and 209,537 dwt. Co.'s vessels transport a range of major and minor bulk commodities, including ores, coal, grains and fertilizers, along worldwide shipping routes.

Viavi Solutions is a provider of network test, monitoring and assurance solutions to communications service providers, enterprises, network equipment manufacturers, civil government, military and avionics customers. The company operates the following business segments: Network Enablement, which provides testing solutions that access the network to perform build-out and maintenance tasks; Service Enablement, which provides embedded systems and enterprise performance management solutions; and Optical Security and Performance Products, which designs, manufactures, and sells products targeting anti-counterfeiting, consumer and industrial, government, healthcare and other markets.

Western Digital is a developer, manufacturer, and provider of data storage devices and solutions. The company's portfolio of technology and products address the following markets: Client Devices, which consist of hard disk drives (HDDs) and solid state drives (SSDs) for computing devices, flash-based embedded storage products, and flash-based memory wafers and components; Data Center Devices and Solutions, which consist of enterprise HDDs and enterprise SSDs, data center software and system solutions; and Client Solutions, which consist of HDDs and SSDs embedded into external storage products and removable flash-based products, such as cards, universal serial bus flash drives and wireless drives.