Polar Semiconductor, Inc. company is a silicon foundry (contract semiconductor manufacturer) that makes specialized analog and mixed-signal chips using BiCMOS designs. These chips are used primarily in communications applications by customers such as Maxim Integrated Products. Besides handling manufacturing chores, Polar Semi offers services such as prototyping and testing. The company took its current form in 1999 when Agere Systems (then part of Lucent, later acquired by LSI Corp.) bought the disk drive chip designs (and the name) of VTC, Polar Semi's predecessor. Sanken Electric acquired Polar Semi in mid-2005 for around $83 million.

East Penn Manufacturing charged forward to become one of the US's leading makers of lead-acid batteries for the stationary, industrial, automotive, commercial, marine, and specialty markets. Under the Deka brand, the company manufactures batteries that provide juice to everything from cell phone transmitters to cars and trucks to wheelchairs and mining tractors. East Penn, which also has a facility in Iowa and exports worldwide, makes battery cables, starter cable, terminals, and other accessories. OEM customers include Daimler Trucks North America, Deere & Company, and Harley-Davidson.

Founded in 1990, Ebara Technologies, Inc. is a part of Ebara Corporation's Precision Machinery Group. Ebara manufactures cleanroom equipment necessary in semiconductor production. Through its two divisions, Components and Semiconductor Equipment, Ebara provides cleaning and ozone, systems, exhaust systems, chemical mechanical polishing systems, wafer plating, heaters, and other equipment used in the electronics industry for silicon wafer processing. It also offers solar exhaust management products. Ebara Technologies has sales offices throughout the US, and sales and production facilities in Asia and Europe.

Displaytech company makes ferroelectric liquid-crystal-on-silicon (FLCoS) microdisplays used as electronic viewfinders to frame, focus, and preview images in camcorders and digital still cameras. Displaytech's microdisplays combine the display device with controller and video interface subcomponents for easier integration into OEM products. Customers include Hewlett-Packard, Hitachi, Victor Company of Japan (JVC), Konica Minolta, Kyocera, Olympus, and Sony.

Astute Networks, Inc. provides bladed storage solutions. It offers Edge Storage Architecture for telecom network control, IPTV/VoD, military, video surveillance, and other edge applications; Caspian Edge Storage Platform that supports the bandwidth needs and enables operators to deploy applications; and Edge Storage Foundation Suite, a software platform, which provides a suite of storage, virtualization, management, configuration, and diagnostic tools. The company provides ReliaBlade technology, an ATCA-based storage platform that allows internal JBODs, network equipment providers, and military systems integrators to build-up, deploy, and ship configured systems inside a single ATCA chassis. It serves original equipment manufactures and network equipment providers. Astute Networks, Inc. was founded in 2000 and is based in San Diego, California.

Isco, Inc., was founded in 1958, and since its inception has been headquartered in Lincoln, Nebraska, USA. Through their focus on designing and building products to meet specialized customer needs, the company grew from founder Dr. Robert Allington's garage into its current 200,000 square foot plant. Today, Teledyne Isco manufactures a wide range of products for professionals working in water pollution monitoring and abatement, engineers and managers involved with wastewater process control, and scientists involved in field and laboratory work.

Electric Supply been in business "on the eighteenth of April, in Seventy-five," as Henry Wadsworth Longfellow's famous poem noted. The family-owned company distributes electronic products and industrial supplies, such as cable, conduit, connectors and terminals, fiber-optic hardware, racks and cabinets, lubricants, and tools. Colonial Electric was established not in 1775, but 197 years later, in 1972.

Viking Electric Supply, Inc. company, which operates through more than 20 branch locations in Minnesota and Wisconsin, was founded in 1964 and acquired by Sonepar USA in 2000. Viking Electric Supply is a unit of Sonepar USA, the US operation of France-based electrical distributor Sonepar. Viking Electric distributes a wide range of electrical and telecom supplies to building contractors; it also distributes industrial gear, such as motors, sensors, and transformers, as well as tools ranging from concrete drills to fire extinguishers.

Aptina Imaging Corporation company makes CMOS image sensors (semiconductors that convert light into electronic images) used in various types of cameras. Its sensors are built into digital and video cameras, as well as cameras used in mobile phones, PCs, and surveillance equipment. The company also makes sensors for medical scoping cameras (i.e. used for colonoscopies) and back-up cameras embedded in automobiles. Aptina partners with mobile handset makers and camera component designers and distributes its products in North America, Europe, and Asia. Memory chip maker Micron Technology formed Aptina in 2008 and spun it off in 2009.

Hitachi Chemical is a big unit of a maker of big units. A subsidiary of industrial giant Hitachi, Ltd., the publicly traded company produces chemicals and related products through two units: Electronics-Related Products(semiconductors and displays) and Advanced Performance Products (carbon sliding materials, films, and motor brushes for the automotive industry). Hitachi Chemical's electronics products include materials for making semiconductors and displays, as well as printed circuit boards (also known as printed wiring boards). Its chemicals include basics such as carbon and graphite materials and other organics, including varnishes, resins, and polyethylene. Japan constitutes about 70% of company sales.

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