Hoong Leong Lee

Unisem Advanced Technologies Sdn. Bhd. manufactures electron tubes and semiconductors. Its services include gold bumping, electroplated solder bumping, electroplated copper pillar bumping, large solder bumping, PBO, polyimides & BCB passivation, redistribution of bond pads and in-house photo mask and stencil design capability. The company was founded on September 13, 2004 and is headquartered in Perak, Malaysia.

UTAC Holdings Ltd. provides integrated circuits assembling and testing services for semiconductor devices. It includes test solutions, packaging capability and assembly, packaging solutions, package characterization, turnkey solutions, reliability, and failure analysis. The company was founded in 1997 and is headquartered in Singapore.

Part of UTAC Holdings Ltd., UTAC (Shanghai) Co. Ltd. is a Chinese company that provides testing services for semiconductor devices. The private company is based in Shanghai, China.

Texas Instruments Singapore (Pte) Ltd. sells semiconductor components, integrated circuits, and calculators. The company is headquartered in Singapore

Unisem Test (Sunnyvale), Inc. provided semiconductor assembly and test services. The company was founded in 1989 and headquartered in Sunnyvale, CA.