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Taiwan Semiconductor Manufacturing Company Ltd. was founded in 1987 and is headquartered in Hsinchu, Taiwan. Taiwan Semiconductor Manufacturing Company Limited (TSMC) is principally engaged in the manufacture of integrated circuits (ICs) for customers based on their own or third parties' IC designs. The Company offers a range of wafer fabrication processes, including embedded non-volatile memory process, embedded dynamic random access memory (DRAM) process, mixed signal/ radio frequency (RF) process, high voltage process, complementary metal-oxide semiconductor (CMOS) image sensor process, color filter process, micro electro-mechanical system (MEMS) process and silicon germanium process, among others. The Company's chips are used in computer products, communications products and consumer electronic products. As of December 31, 2008, the Company had seven wafer plants.

Tech/Ops Sevcon, Inc. was founded in 1987 and is based in Southborough, Massachusetts. Tech/Ops Sevcon, Inc. (Tech/Ops Sevcon) is engaged in the electronic controls business. Through its wholly owned subsidiaries located in the United States, England, France, South Korea and Japan, the Company designs, manufactures, sells, and services, under the Sevcon name, microprocessor based controls for zero emission and hybrid electric vehicles. The controls are used to vary the speed and movement of vehicles, to integrate specialized functions and to prolong the shift life of vehicles’ power source. The Company’s customers are manufacturers of on-road, off-road and industrial vehicles, including automobiles, buses, fork lift trucks, aerial lifts, mining vehicles, airport ground support vehicles, utility vehicles, sweepers and other battery powered vehicles. Through another subsidiary located in the United Kingdom, Tech/Ops Sevcon manufactures special metalized film capacitors for electronics applications.

Tower Semiconductor Ltd. was founded in 1993 and is based in Migdal Haemek, Israel. Tower Semiconductor Ltd. (Tower Semiconductor) is a pure-play independent specialty wafer foundry. It manufactures integrated circuits with geometries ranging from 1.0 to 0.13- micron. Through access to the process portfolio of its wholly owned subsidiary, Jazz Semiconductor (Jazz), it offers radio frequency complementary metal-oxide semiconductor (RF CMOS), analog CMOS, silicon, silicon germanium (SiGe) BiCMOS, SiGe C-BiCMOS, power CMOS, and high voltage CMOS. Tower Semiconductor maintains two manufacturing facilities in Israel with access to Jazz fab in the United States, and manufacturing capacity in China through Jazz’s partnerships with ASMC and HHNEC. Tower Semiconductor also provides complementary technical services and design support. In addition to digital CMOS process technology, it offers mixed-signal and RF-CMOS, power management, CMOS image-sensor, and non-volatile memory technologies.

TranSwitch Corporation company was founded in 1988 and is headquartered in Shelton, Connecticut. Transwitch Corporation (Transwitch) designs, develops and supplies integrated semiconductor solutions that provide core functionality for voice, data and video communications network equipment. Its system-on-a-chip (SoC) products incorporate digital and mixed-signal semiconductor technology and related embedded software. In addition to its system-on-a-chip products, the Company is in the business of licensing intellectual property cores to both OEMs, as well as other semiconductor companies. In addition to a portfolio of standard integrated circuit products addressing voice, data, wireless and video markets, TranSwitch supplies a number of intellectual property core products for Ethernet and high definition video (HDMI protocol) applications, as well as custom design services. On October 24, 2008, the Company acquired Centillium Communications, Inc. (Centillium).

TriQuint Semiconductor, Inc. was founded in 1981 and is headquartered in Hillsboro, Oregon. TriQuint Semiconductor, Inc. (TriQuint) is a supplier of modules, components and foundry services to communications companies. The Company offers different radio frequency (RF) and other intermediate frequency products that address three markets: handsets, networks and military systems. The Company’s products are designed on various wafer substrates, including compound semiconductor materials, such as gallium arsenide (GaAs) and piezoelectric crystals, such as lithium tantalate (LiTaO3). The Company uses technologies using GaAs substrates, including heterojunction bipolar transistors (HBTs) and pseudomorphic high electron mobility transistors (pHEMTs). Using various other substrates the Company also manufacture surface acoustic wave (SAW) and bulk acoustic wave (BAW) products.On May 22, 2008, TriQuint completed the acquisition of WJ Communications, Inc. In September 2009, the Company announced the acquisition of TriAccess Technologies.

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