Darul Ehsan Facilities Management Sdn. Bhd. (DEFM), incorporated in 1991 and a wholly-owned subsidiary of the Selangor State Development Corporation (PKNS), is a premier provider of Integrated Facilities Management (IFM) solutions. With over 30 years of excellence, DEFM serves as the custodian of Selangor’s strategic public and commercial assets. In 2026, the company is recognized for its transition towards Smart Building Management, integrating IoT sensors and green energy solutions into its portfolio, which includes government complexes, iconic towers like Menara PKNS, and high-density residential estates. Driven by the mission "Enhancing Asset Value through Professionalism," DEFM delivers a comprehensive suite of services ranging from mechanical and electrical (M&E) engineering to total cleaning and security management. By combining its GLC-standard governance with modern technical expertise, DEFM continues to ensure that Selangor’s built environment is safe, sustainable, and optimized for its occupants.