This report is an output of the initiative APEC SMEs New Paradigm of Digital Resilience. It contains a detailed analysis of four SMEs that have introduced digital tools to enhance their sustainability in the post-pandemic period. These companies are in the fields of PCB manufacturing and assembly, logistics, vacuum molding, and bath and kitchen retail, respectively. Three key universal suggestions were drawn from these four companies' case studies: (1) Utilize IoT and intelligent business systems to improve corporate resource planning efficiency; (2) Optimize production processes and supply chain management; and (3) Deploy public-private partnerships to foster business transformation.