Willowglen MSC Bhd is principally engaged in the research, development, and supply of computer-based control systems. The company classifies its business into various geographical segments that is Singapore, which designs, supplies, engineers, implementation and maintenance computer-based control systems; Indonesia, which is involved in trading, hardware, and software consulting services; Malaysia which is engaged in research, development, sales, implementation, and maintenance of computer-based control systems, integrated monitoring systems and Others, which is an investment holding. The Singapore geographical segment generates maximum revenue for the company.