Glostrext Bhd. is a geotechnical instrumentation service providing company. It operates through the following segments: Pile Instrumentation and Static Load Test Services; Structural and Ground Instrumentation and Monitoring Services; and Other Related Activities. The company was founded by Chong Yit Wah, Loke Weng Tuck and Lim Shih Chang on March 24, 1992, and is headquartered in Kuala Lumpur, Malaysia.