Glostrext Berhad, an investment holding company, provides geotechnical instrumentation services in Singapore, Malaysia, and Cambodia. It offers piling, structural, and geotechnical-related services, including instrumentation, testing, and monitoring services to construction projects, as well as completed buildings and infrastructures. The company also provides pile instrumentation and static load test services; and structural and ground instrumentation and monitoring services, as well as trades in electrical appliances, generators, alternators, and other related products. It serves piling, construction, and semiconductor companies; high-rise building owners; management offices; turbo-generator manufacturers; and individual customers. The company was founded in 1992 and is headquartered in Shah Alam, Malaysia.