This book contains the works connected with the key advances in Intelligent Information Technologies for Industry presented at IITI 2025, the Ninth International Scientific Conference on Intelligent Information Technologies for Industry held on November 5-7, 2025 in Sirius Federal Territory, Russia. The book is written by the experts in the field of applied artificial intelligence including topics such as machine learning, explainable AI, decision-making, fuzzy logic, multi-agent, and bioinspired systems including their modern applications. The following industrial implementations were touched: railway automation, cyber security, intelligent medical systems, navigation systems. The editors believe that this book will be helpful for all scientists and engineers interested in the modern state of applied artificial intelligence.