In an increasingly competitive and regulated global marketplace, integrating multiple management systems is essential for organizations striving to enhance operational efficiency, ensure compliance, and demonstrate their commitment to quality, safety, and sustainability. Among the many standards published by the International Organization for Standardization (ISO), some of the most commonly integrated include ISO 9001 (Quality Management), ISO 14001 (Environmental Management), ISO 45001 (Occupational Health and Safety), ISO 22000 (Food Safety), and ISO 50001 (Energy Management). This article explores these standards, their key features, and the benefits of integrating them into a unified management system.