This research paper explores the profound impact of the Internet of Things (IoT) and system integration on modern business operations. It delves into the concept of enterprise system integration, examining how IoT-enabled devices and technologies are transforming business processes, enhancing efficiency, and driving innovation. The paper analyzes the benefits of integrating IoT with enterprise resource planning (ERP), supply chain management (SCM), and customer relationship management (CRM) systems, highlighting the potential for real-time data collection, improved decision-making, and enhanced customer experiences. Furthermore, the study investigates the environmental implications of IoT and system integration, exploring its role in resource management, pollution control, and sustainable practices. By examining the challenges and opportunities presented by this convergence of technologies, the paper provides valuable insights for businesses seeking to leverage IoT and system integration to gain a competitive edge in the digital age.