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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.

PolyIC GmbH & Co. KG develops technology for making integrated circuits (ICs) that are printed on flexible polymer films rather than etched into traditional rigid wafers of silicon. Flexible microchips stand to have many applications, for example in radio-frequency identification (RFID) chips used to track goods in transit. If PolyIC meets its stated goal, it will develop equipment that makes it as easy to print semiconductors as it is to print newspapers today. The company was formed late in 2003 as a joint venture between industrial titan Siemens and printing and stamping specialty company LEONHARD KURZ.

PSi Technologies Holdings makes packages that hold power semiconductors in the silicon equivalent of a full nelson. The company provides packaging and assembly services to top chip makers, such as Infineon (about 49% of sales), ON Semiconductor, STMicroelectronics (22%), and Texas Instruments. PSi Technologies takes customers' semiconductors and embeds them into protective casings in preparation for use; it specializes in working with power management semiconductors, such as field-effect transistors and voltage regulators -- devices that are built to handle high power levels and that require heavy-duty packaging techniques. Customers in Europe account for about three-quarters of sales.

PV Crystalox Solar PLC is engaged in the production and supply of multi-crystalline silicon wafers to the photovoltaic market worldwide. The Company has two segments: silicon products, and trading and equipment. The silicon products segment consists of silicon ingots and wafers produced by the Company companies and sold to solar cell manufacturers. The trading and equipment segment is mainly involved in the sourcing of silicon ingots from a supplier to the Company and the onwards supply of these ingots to a customer. In addition, the trading and equipment segment includes a relatively small amount of spare parts manufactured by PV Crystalox Solar PLC. The Company manufactures its multi-crystalline silicon ingots at its facilities in Oxfordshire, United Kingdom, and carries out wafer production for European customers at its facilities in Erfurt, Germany. Wafers for customers in Asia are produced in Japan.

Qcept Technologies, Inc. manufactures and sells wafer inspection systems for the semiconductor manufacturing industry. Its ChemetriQ inspection systems are used to detect non-visual residues, sub-monolayer metallic and organic contamination, and other yield-killing surface non-uniformities that cannot be seen by optical tools. The company was formerly known as Intelligent Sensor Systems, Inc. and changed its name to Qcept Technologies, Inc. in August 2002. Qcept Technologies, Inc. was founded in 2000 and is based in Atlanta, Georgia with a sales office in Austin, Texas.

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