Root Cause Analysis (RCA) is a vital tool for organizations striving for operational excellence and sustainable solutions. By uncovering the underlying causes of recurring problems, RCA enables businesses to prevent issues at their source rather than treating symptoms. The structured process—defining problems, gathering data, identifying causes, implementing corrective actions, and monitoring results—has been successfully applied by industry leaders like LafargeHolcim and Quanta Services. Their efficiency gains and process improvements demonstrate RCA's transformative potential. Furthermore, RCA can reduce problem recurrence by up to 80%, fostering continuous improvement and boosting organizational resilience.