Tang Pen San

System Access Ltd. provides financial software solutions for the financial and banking sector companies. The company has offices in Geneva, London, Prague, Dubai, Bratislava, Manila, and Bangkok. It offers solutions for back-office transaction processing, front-office multi-channel delivery, card management, and payments. The company was founded in 1983 by Leslie Loh and is headquartered in Singapore City, Singapore.

Wearnes Technology Pte Ltd. manufactures and distributes electrical components and peripherals. It provides die casting manufacturing and precision engineering services. The company is headquartered in Singapore.

The Group's principal activities are trading and distributing electronic components and products. Its semiconductor test and consumables segment carries out importing/exporting, retailing and trading of electronic components and consumables used in testing electronic components as well as repair of test boards used in semiconductor testing. The Group discontinued its operations in the semiconductor equipment & services division in June 2006. It is headquartered in Singapore.