Software as a service (SAAS) services featuring software for designing digital twins; Software as a service (SAAS) services featuring software for three-dimensional design; Software as a service (SAAS) services featuring software for integrating virtual models and systems in industry and infrastructure; Software as a service (SAAS) services featuring software for training and learning how to use software; Software as a service (SAAS) services featuring software for training and learning how to use software for the development and design of digital twins and the integration of virtual models and systems in industry; Software as a service (SAAS) services featuring software for virtual reality and augmented reality for playing video games, interactive physical rehabilitation, pilot training, driver training, machinery and industrial equipment operator training, medical teaching, control, security, and management of industrial facilities, control, security, and management of civil engineering facilities, and database management; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Consultancy in the field of software design; Software development consulting in the field of software design; Custom design and engineering of digital twins for industrial products, industrial facilities, and civil and industrial infrastructure; Product design and development in the field of industrial products, industrial facilities, and civil infrastructure; Product design and development in the field of industrial products, industrial facilities, and civil infrastructure in three dimensions; Design, maintenance, development and updating of computer software